DM3730-EVK User Manual

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DM3730-EVK User Manual | Manualzz

DM3730-EVK

Integrated with LCD, USB, CCD/COMS, Audio input/output, S-video, Ethernet, Serial port,

TF card interface based on 32-bit microcontroller

User Manual

www.element14.com

Version update records:

Rev Date

1.0

1.1

2011.6.20

2011.8.5

Description

Initial version

Parts of contents have been amended to avoid ambiguity

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Contents

CHAPTER 1 OVERVIEW ................................................................................................................. 6

1.1

P

RODUCT INTRODUCTION

.......................................................................................................... 6

1.2

F

EATURES

................................................................................................................................ 7

CHAPTER 2 HARDWARE SYSTEM ............................................................................................. 10

2.1

CPU ....................................................................................................................................... 10

2.1.1 CPU Introduction ............................................................................................................ 10

2.1.2 CPU Features ................................................................................................................ 10

2.2

D

ESCRIPTION OF DIFFERENT

IC

BLOCKS

.................................................................................. 12

2.2.1 TPS65930 ...................................................................................................................... 12

2.2.2 MT29C4G96MAZAPCJA-5 ............................................................................................ 13

2.2.3 DM9000 .......................................................................................................................... 13

2.2.4 FE1.1 for USB 2.0 High Speed 4-Port Hub ................................................................... 13

2.2.5 TFP410 ........................................................................................................................... 14

2.2.6 MAX3232 ....................................................................................................................... 14

2.3

H

ARDWARE INTERFACE

........................................................................................................... 15

2.3.1 Power Input Jack............................................................................................................ 15

2.3.2 Power Output Interface .................................................................................................. 16

2.3.3 Power Switch ................................................................................................................. 16

2.3.4 S-VIDEO Interface ......................................................................................................... 16

2.3.5 HDMI Interface ............................................................................................................... 16

2.3.6 TFT_LCD Interface ........................................................................................................ 17

2.3.7 AUDIO OUTPUT Jack .................................................................................................... 19

2.3.8 Camera Interface ........................................................................................................... 19

2.3.9 MIC IN Jack .................................................................................................................... 20

2.3.10 Keyboard Interface ....................................................................................................... 21

2.3.11 Serial Ports ................................................................................................................... 21

2.3.12 LAN Interface ............................................................................................................... 22

2.3.13 USB OTG Interface ...................................................................................................... 22

2.3.14 USB HOST Interface .................................................................................................... 23

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2.3.15 TF Card Interface ......................................................................................................... 23

2.3.16 JTAG Interface ............................................................................................................. 23

2.3.17 Expansion Interface ..................................................................................................... 24

2.3.18 KEY .............................................................................................................................. 25

2.3.19 LED .............................................................................................................................. 25

CHAPTER 3 LINUX OPERATING SYSTEM ................................................................................. 27

3.1

I

NTRODUCTION

........................................................................................................................ 27

3.2

S

OFTWARE

R

ESOURCES

......................................................................................................... 27

3.3

S

OFTWARE

F

EATURES

............................................................................................................ 28

3.4

S

YSTEM

D

EVELOPMENT

.......................................................................................................... 29

3.4.1 Establishing operating system, development environment ........................................... 29

3.4.2 System compilation ........................................................................................................ 30

3.4.3 System Customization ................................................................................................... 34

3.5

I

NTRODUCTION OF DRIVER

....................................................................................................... 36

3.5.1 NAND ............................................................................................................................. 36

3.5.2 SD/MMC ......................................................................................................................... 37

3.5.3 Display interface............................................................................................................. 38

3.5.4 Video capture ................................................................................................................. 39

3.5.5 Audio in/out .................................................................................................................... 41

3.6

D

RIVER

D

EVELOPMENT

........................................................................................................... 42

3.6.1 Driver For The gpio_keys ............................................................................................... 42

3.6.2 Driver for the gpio_leds .................................................................................................. 48

3.7

U

PDATED OF SYSTEM

.............................................................................................................. 53

3.7.1 Update of TF card system image ................................................................................... 53

3.7.2 Update of NAND Flash .................................................................................................. 56

3.8

I

NSTRUCTIONS

........................................................................................................................ 59

3.8.1 Various Tests senario ..................................................................................................... 59

3.8.2 Demo .............................................................................................................................. 68

3.9

T

HE

D

EVELOPMENT

O

F

A

PPLICATION

....................................................................................... 75

CHAPTER 4 WINCE OPERATING SYSTEM ................................................................................ 77

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4.1

I

NTRODUCTION

........................................................................................................................ 77

4.2

S

OFTWARE

R

ESOURCES

......................................................................................................... 77

4.3

F

EATURES

.............................................................................................................................. 78

4.4

S

YSTEM

D

EVELOPMENT

.......................................................................................................... 79

4.4.1 Installation of compilation tools ...................................................................................... 79

4.4.2 Establishment of development environment .................................................................. 80

4.4.3 Sysgen & BSP complie .................................................................................................. 81

4.4.4 Introduction of driver ...................................................................................................... 81

4.5

U

PDATE OF SYSTEM

................................................................................................................ 84

4.5.1 Update of TF card .......................................................................................................... 84

4.5.2 Update of Nand flash ..................................................................................................... 86

4.6

I

NSTRUCTIONS FOR USE

.......................................................................................................... 86

4.6.1 How to use S-Video interface ........................................................................................ 86

4.6.2 How to use openGL ES demo ....................................................................................... 87

4.6.3 How to use CAM8000-A module .................................................................................... 87

4.6.4 How to use CAM8000-D module ................................................................................... 87

4.7

T

HE DEVELOPMENT OF APPLICATION

........................................................................................ 88

4.7.1 Application program interfaces and examples ............................................................... 88

4.7.2 GPIO application program interfaces and examples ..................................................... 88

APPENDIX ..................................................................................................................................... 91

A

PPENDIX

I H

ARDWARE

D

IMENSIONS

............................................................................................. 91

A

PPENDIX

II T

HE

I

NSTALLATION

O

F

U

BUNTU

.................................................................................. 92

A

PPENDIX

III D

RIVER

I

NSTALLATION

O

F

L

INUX

USB E

THERNET

/RNDIS G

ADGET

.......................... 107

A

PPENDIX

IV L

INUX

B

OOT

D

ISK

F

ORMAT

...................................................................................... 110

A

PPENDIX

V T

HE

S

ETUP

O

F

TFTP S

ERVER

.................................................................................. 116

A

PPENDIX

VI W

IN

CE S

OURCE

..................................................................................................... 118

CUSTOMER SERVICE & TECHNICAL SUPPORT ..................................................................... 119

C

USTOMER

S

ERVICE

.................................................................................................................... 119

T

ECHNICAL

S

UPPORT

................................................................................................................... 119

N

OTES

......................................................................................................................................... 119

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Chapter 1 Overview

1.1 Product introduction

DM3730-EVK is based on TI DM3730 processor. The processor integrates

ARM Cortex™-A8 kernel at 1GHz and DSP core (DM3730 only) running at 800MHz with high-level digital signal processing functions, and provides rich peripheral interfaces. DM3730-EVK expands LAN port,

S-VIDEO interface, audio input/output interface, USB, TF interface, serial port, SPI interface, IIC interface, JTAG interface, CAMERA interface, TFT interface, touch screen interface, keyboard interface and HDMI interface.

DM3730-EVK can be used in the following applications:

 Portable Data Terminals

 Navigation

 Auto Infotainment

 Gaming

 Medical Equipment

 Home Automation

 Human Interface

 Industrial Control

 Test and Measurement

 Single board Computers

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DM3730-EVK function module chart: (see Figure 1.1)

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Figure 1.1

1.2 Features

DM3730-EVK evaluation board is based on DM3730 processor and it integrates all the functions and features of this IC

’s. The features of this board are as follows:

Mechanical Parameters

 Working temperature: -30°C ~ 70°C

 Humidity Range: 20% ~ 90%

 Dimensions: 136.2mm*105.3mm

 Input Voltage: +5V

Processor

 1G Hz ARM Cortex™-A8 Core

 800-MHz TMS320C64x+ ™ DSP Core (DM3730 only)

 NEON™ SIMD Coprocessor

 POWERVR SGX™ Graphics Accelerator

 ARM: 32 KB I-Cache; 32 KB D-Cache; 256KB L2 Cache

 On Chip: 64KB RAM; 32KB ROM

Memory

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 512MB 32bit DDR SDRAM

 512MB 16bit NAND Flash

 2GB 4bit iNAND (Default: not soldered, optional, reserved for soldering)

Audio/Video Interfaces

 An S-VIDEO interface

 An HDMI (DVI-D) interface

 An audio input interface (3.5mm audio jack)

 A two-channel audio output interface (3.5mm audio jack)

LCD/Touch screen

 RGB, 24 bit colors

 Resolution up to 2048*2048

 4 line Touch Screen

Data Transfer Interface

 Serial port:

 UART1, 5 line serial port, TTL based voltage

 UART2, 5 line serial port, TTL based voltage

 UART3, 5 line serial port, RS232 based voltage

 USB port:

 1 x USB2.0 OTG, High-speed, 480Mbps

 4 x USB2.0 HOST, High-speed, 480Mbps

 TF card interface

 10/100Mbps Ethernet Interface (RJ45 jack)

 1 channel McSPI Interface (Multichannel Serial Port Interface)

 1 channel McBSP interface (Multi-Channel Buffered Serial Port)

 1 channel I2C interface

 1 channel HDQ interface (HDQ/1-Wire)

Input Interface

 1 channel Camera interface (Support CCD or CMOS camera)

 6*6 keyboard interface

 14-pin JTAG interface

 4 buttons (2 USER buttons, 1 RESET button, 1 ON/OFF button)

8

LED

 1 Power LED

 2 System LEDs

 2 User LEDs

 4 USB Host LEDs

 1 USB Hub LED

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Chapter 2 Hardware System

2.1 CPU

2.1.1 CPU Introduction

As a high-performance processor for enhanced digital media, DM37x employs TI 45nm advanced industrial technology; this architecture has the advantage of low power consumption at the same time of being designed for ARM and graphical demonstration.

The Texas Instruments’ DM3730 DaVinci™ digital media processor is powered by up to 1-GHz

(also supports 300, 600, and 800-MHz operation) ARM Cortex-A8 and 800-MHz (also supports

250, 520 and 660-MHz operation) C64x+ DSP core, and has integrated 3D graphics processor, imaging and video accelerator (IVA), USB 2.0, MMC/SD memory card, UART and many more.

DaVinci DM3730 video processor is pin-to-pin compatible with Sitara AM37x devices and software compatible with the OMAP35x processors. The C64x+ DSP and hardware video accelerator enable audio and HD 720p video decoding and encoding independent of the ARM processor. The programmable DSP engine allows multiple signal processing tasks such as image processing and analysis, digital filtering, and math functions. DaVinci DM3730 video processor is suitable for 720p

HD (High Definition) video applications which require large amount of data processing.

2.1.2 CPU Features

Clock

The CPU clock includes sys_32k, sys_altclk, sys_clkout1, sys_clkout2, sys_xtalout, sys_xtalin, sys_clkreq.

The sys_32k 32-kHz clock is used for low frequency operation. It supplies the wake-up domain signals for operating in lowest power mode (off mode). This clock is provided through the sys_32k pin. The 32-kHz is generated by power management.

The sys_xtalin / sys_xtalout system input clock (26 MHz) is used to generate the main source clock for the device. It supplies the DPLLs as well to several other modules.

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Reset

The function of reset is decided by the SYS_NRESPWRON signal on the CPU, Reset is enabled when LOW level signal (high to low) is given.

General-Purpose Interface

The general-purpose interface combines six general-purpose input/output (GPIO) banks.

Each GPIO bank provides 32 dedicated general-purpose pins with input and output capabilities; thus, it supports up to 192 (6 x 32) general-purpose interface pins.

These pins can be configured for the following applications:

 Data input (capture)/output (drive)

 Keyboard interface with a debounce cell

 Interrupt generation in active mode when external events are detected.

Display Subsystem

The display subsystem provides the logic to display a video frame from the memory frame buffer

(either SDRAM or SRAM) on a liquid-crystal display (LCD) panel or a TV set. The display subsystem integrates the following elements:

 Display controller (DISPC) module

 Remote frame buffer interface (RFBI) module

 Display serial interface (DSI) complex I/O module and a DSI protocol engine

 DSI PLL controller that drives a DSI PLL and high-speed (HS) divider.

 NTSC/PAL video encoder

The display controller and the DSI protocol engine are connected to the L3 and L4 interconnect; the RFBI and the TV out encoder modules are connected to the L4 interconnect.

2D/3D Graphics Accelerator

The 2D/3D graphics accelerator (SGX) subsystem accelerates 2-dimensional (2D) and

3-dimensional (3D) graphics applications. The SGX subsystem is based on the POWERVR® SGX core from Imagination Technologies. SGX is a new generation of programmable POWERVR graphic cores. The POWERVR SGX530 v1.2.5 architecture is scalable and can target all market segments from mainstream mobile devices to high-end desktop graphics. Targeted applications

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include feature phone, PDA, and hand-held games. (see Figure 2.1.1)

The SGX graphics accelerator can simultaneously process various multimedia data types:

 Pixel data

 Vertex data

 Video data

 General-purpose processing

This is achieved through a multithreaded architecture using two levels of scheduling and data partitioning enabling zero-overhead task switching.

2.2 Description of different IC blocks

2.2.1 TPS65930

The TPS65930 devices are power-management ICs for

OMAP™ and other mobile applications.

The devices include power-management, a universal serial bus (USB) high-speed (HS) transceiver, light-emitting diode (LED) drivers, an analog-to-digital converter (ADC), a real-time clock (RTC), and embedded power control (EPC). In addition, the TPS65930 includes a full audio codec with two digital-to-analog converters (DACs) and two ADCs to implement dual voice

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channels, and a stereo downlink channel that can play all standard audio sample rates through a multiple format interintegrated sound (I2S™)/time division multiplexing (TDM) interface.

TPS65930(U1)is communicated with CPU through I2C protocol, the main function of this is to provide 1.2V and 1.8V to CPU, to make CPU run normally. Besides, TPS65930 also has functions of Audio in, Audio out, OTG PHY, Keyboard, ADC and GPIO.

2.2.2 MT29C4G96MAZAPCJA-5

As the storage chip of DM3730-EVK, MT29C4G96MAZAPCJA-5 is a memory device used for storage, it is integrated with NAND Flash and SDRAM DDR, its memory size is 512MB. NAND

Flash realizes data access through GPMC bus, while DDR realizes data access through SDRAM

Controller(SDRC).

2.2.3 DM9000

The DM9000A is a fully integrated and cost-effective low pin count single chip Fast Ethernet controller with a general processor interface, a 10/100M PHY and 4K Dword SRAM. It is designed with low power and high performance process that support 3.3V with 5V IO tolerance.

DM3730-EVK uses 10/100M adaptive network interface of DM9000, in which, the 10/100M

Ethernet module is built-in and is compatible to IEEE 802.3 standard protocol. The cable interface is a standard RJ45, with a connection indicator and a transmission indicator.

DM3730-EVK can be connected to network hub through a direct cable, also can be directly connected with a computer through a crossover cable.

2.2.4 FE1.1 for USB 2.0 High Speed 4-Port Hub

The FE1.1 is a highly integrated, high quality, high performance, low power consumption, yet low cost solution for USB 2.0 High Speed 4-Port Hub.

It adopts Multiple Transaction Translator (MTT) architecture to explore the maximum possible throughput. Six, instead of two, non-periodic transaction buffers are used to minimize potential traffic jamming.

FE1.1 is link out the 4 channel USB interface via the USB3320, share one channel 480Mbps as four channel 120Mbps. Support High-Speed (480MHz), Full-Speed (12MHz), and Low-Speed

(1.5MHz) modes.

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2.2.5 TFP410

The TFP410 is a Texas Instruments PanelBus flat panel display product, part of a comprehensive family of end-to-end DVI 1.0-compliant solutions, targeted at the PC and consumer electronics industry.

The TFP410 provides a universal interface to allow a glue-less connection to most commonly available graphics controllers. Some of the advantages of this universal interface include selectable bus widths, adjustable signal levels, and differential and single-ended clocking. The adjustable 1.1-V to 1.8-V digital interface provides a low-EMI, high-speed bus that connects seamlessly with 12-bit or 24-bit interfaces. The DVI interface supports flat panel display resolutions up to UXGA at 165 MHz in 24-bit true color pixel format.

2.2.6 MAX3232

The function of MAX3232 is mainly to translate TTL logic level signal into RS232 logic level, which helps in communicating the board with PC.

DM3730-EVK uses UART3 as debugging serial port; as the default voltage of UART3 is 1.8V, it is necessary to convert this voltage to 3.3V in order to connect to eternal world.

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2.3 Hardware interface

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Figure 2.3 DM3730-EVK Hardware Interface Diagram

The following section gives in detail about the pin numbers and its function description of various diffe rent IC’s blocks present in DM3730-EVK.

2.3.1 Power Input Jack

Pin

1

2

J19

Signal

GND

+5V

Function

GND

Power supply (+5V) 2A (Type)

Table 2-3-1 power input interface

15

2.3.2 Power Output Interface

4

5

2

3

Pin

1

Signal Function

VDD50 5V output

NC NC

VDD33 3.3V output

J4

ADCIN

GND

ADC input

GND

Table 2-3-2 power output interface

2.3.3 Power Switch www.element14.com

2

3

Pin

1

Signal

DC IN

Function

VDD Input

SW1

VDD50 +5V

NC NC

Table 2-3-3 power switch

2.3.4 S-VIDEO Interface

2

3

4

Pin

1

Function

J4

Signal

GND GND

GND GND

OUTPUT1 VIDEO Y

OUTPUT2 VIDEO C

Table 2-3-4 S-VIDEO interface

2.3.5 HDMI Interface

J12

16

12

13

14

15

8

9

10

11

16

17

18

19

6

7

4

5

2

3

Pin

1

DAT0_S

DAT0-

CLK+

CLK_S

CLK-

CEC

NC

SCL

Signal

DAT2+

DAT2_S

DAT2-

DAT1+

DAT1_S

DAT1-

DAT0+

SDA

GND

5V

HPLG

Function

TMDS data 2+

TMDS data 2 shield

TMDS data 2-

TMDS data 1+

TMDS data 1 shield

TMDS data 1-

TMDS data 0+

TMDS data 0 shield

TMDS data 0-

TMDS data clock+

TMDS data clock shield

TMDS data clock-

Consumer Electronics Control

NC

IIC master serial clock

IIC serial bidirectional data

GND

5V

Hot plug and play detect

Table 2-3-5 HDMI interface

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2.3.6 TFT_LCD Interface

4

5

6

2

3

Pin

1

7

J12

Signal Function

DSS_D0 LCD Pixel data bit 0

DSS_D1 LCD Pixel data bit 1

DSS_D2 LCD Pixel data bit 2

DSS_D3 LCD Pixel data bit 3

DSS_D4 LCD Pixel data bit 4

DSS_D5 LCD Pixel data bit 5

DSS_D6 LCD Pixel data bit 6

17

8

21

22

23

24

17

18

19

20

25

26

27

13

14

15

16

9

10

11

12

32

33

34

35

28

29

30

31

36

37

38

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DSS_D7 LCD Pixel data bit 7

GND GND

DSS_D8 LCD Pixel data bit 8

DSS_D9 LCD Pixel data bit 9

DSS_D10 LCD Pixel data bit 10

DSS_D11 LCD Pixel data bit 11

DSS_D12 LCD Pixel data bit 12

DSS_D13 LCD Pixel data bit 13

DSS_D 14 LCD Pixel data bit 14

DSS_D15 LCD Pixel data bit 15

GND GND

DSS_D16 LCD Pixel data bit 16

DSS_D17 LCD Pixel data bit 17

DSS_D18 LCD Pixel data bit 18

DSS_D19 LCD Pixel data bit 19

DSS_D20 LCD Pixel data bit 20

DSS_D21 LCD Pixel data bit 21

DSS_D22 LCD Pixel data bit 22

DSS_D23 LCD Pixel data bit 23

GND GND

DEN

HSYNC

VSYNC

GND

CLK

GND

X+

X-

AC bias control (STN) or pixel data enable (TFT)

LCD Horizontal Synchronization

LCD Vertical Synchronization

GND

LCD Pixel Clock

GND

X+ Position Input

X- Position Input

Y+

Y-

Y+ Position Input

Y- Position Input

SPI_CLK SPI clock

SPI_MOSI Slave data in, master data out

18

40

45

46

47

48

41

42

43

44

49

50

SPI_MISO Slave data out, master data in

SPI_CS

IIC_CLK

SPI enable

IIC master serial clock

IIC_SDA IIC serial bidirectional data

GND GND

VDD18

VDD33

VDD50

VDD50

1.8V

3.3V

5V

5V

RESET

PWREN

Reset

Power on enable

Table 2-3-6 TFT_LCD interface

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2.3.7 AUDIO OUTPUT Jack

4

5

2

3

Pin

1

Function

GND

NC

J7

Signal

GND

NC

Right

NC

Left

Right output

NC

Left output

Table 2-3-7 Audio out interface

2.3.8 Camera Interface

4

5

6

2

3

Pin

1

Signal

GND

D0

D1

D2

D3

D4

Function

J14

GND

Digital image data bit 0

Digital image data bit 1

Digital image data bit 2

Digital image data bit 3

Digital image data bit 4

19

7

20

21

22

23

16

17

18

19

24

25

26

12

13

14

15

8

9

10

11

27

28

29

30

D5 Digital image data bit 5

GND

HS

VDD50

VS

VDD33

XCLKA

XCLKB

GND

D6

D7

D8

D9

D10

D11

GND

PCLK

Digital image data bit 6

Digital image data bit 7

Digital image data bit 8

Digital image data bit 9

Digital image data bit 10

Digital image data bit 11

GND

Pixel clock

GND

Horizontal synchronization

5V

Vertical synchronization

3.3V

Clock output a

Clock output b

GND

FLD

WEN

Field identification

Write Enable

STROBE Flash strobe control signal

SDA

SCL

GND

VDD18

IIC master serial clock

IIC serial bidirectional data

GND

1.8V

Table 2-3-8 camera interface

2.3.9 MIC IN Jack www.element14.com

Pin

1

2

3

Function

GND

NC

J6

Signal

GND

NC

MIC MAIN P Right input

20

4

5

NC NC

MIC MAIN N Left input

Table 2-3-9 MIC IN interface

2.3.10 Keyboard Interface www.element14.com

9

10

11

12

7

8

5

6

13

14

2

3

Pin

1

4

Signal

KC0

KR0

KC1

KR1

KC4

KR4

KC5

KR5

KC2

KR2

KC3

KR3

VDD18

GND

J5

Function

Keypad matrix column 0 output

Keypad matrix row 0 input

Keypad matrix column 1 output

Keypad matrix row 1 input

Keypad matrix column 2 output

Keypad matrix row 2 input

Keypad matrix column 3 output

Keypad matrix row 3 input

Keypad matrix column 4 output

Keypad matrix row 4 input

Keypad matrix column 5 output

Keypad matrix row 5 input

1.8V

GND

Table 2-3-10 keyboard interface

2.3.11 Serial Ports

4

5

2

3

Pin

1

Signal

NC

RXD

TXD

NC

GND

Function

J15

NC

Receive data

Transit data

NC

GND

21

6

7

8

9

NC

RTS

CTS

NC

NC

Request To Send

Clear To Send

NC

Table 2-3-11 serial port

2.3.12 LAN Interface

7

8

9

10

5

6

3

4

11

12

Pin

1

2

Signal

TX+

TX-

RX+

VDD25

VDD25

RX-

NC

NC

VDD

LED1

LED2

VDD

J13

Function

TX+ output

TX- output

RX+ input

2.5V Power for TX/RX

2.5V Power for TX/RX

RX- input

NC

NC

3.3V Power for LED

Speed LED

Link LED

3.3V Power for LED

Table 2-3-12 LAN interface

2.3.13 USB OTG Interface

4

5

2

3

Pin

1

Signal

VBUS

DN

DP

ID

GND

Function

J16

+5V

USB Data-

USB Data+

USB ID

GND

Table 2-3-13 USB OTG interface

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22

2.3.14 USB HOST Interface

2

3

Pin

1

4

Signal

VBUS

DN

DP

ID

Function

+5V

J17

USB Data-

USB Data+

USB ID

Table 2-3-14 USB HOST interface

2.3.15 TF Card Interface

4

5

6

7

8

9

2

3

Pin

1

Signal

DAT2

DAT3

CMD

VDD

CLK

VSS

DAT0

DAT1

CD

Function

J3

Card data 2

Card data 3

Command Signal

VDD

Clock

VSS

Card data 0

Card data 1

Card detect

Table 2-3-15 TF interface

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2.3.16 JTAG Interface

5

6

3

4

7

8

Pin

1

2

Signal

TMS

NTRST

TDI

GND

VIO

NC

TDO

GND

J2

Function

Test mode select

Test system reset

Test data input

GND

1.8V

NC

Test data output

GND

23

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9

10

11

12

13

14

RTCK

GND

TCK

GND

EMU0

EMU1

Receive test clock

GND

Test clock

GND

Test emulation 0

Test emulation 1

Table 2-3-16 JTAG interface

17

18

19

20

13

14

15

16

21

22

23

24

25

6

7

8

9

10

11

12

2

3

4

5

Pin

1

2.3.17 Expansion Interface

Function

GND

J8

Signal

GND

BSP1_DX Transmitted serial data 1

BSP1_DR Received serial data 1

BSP1_CLK Received clock 1

R

Transmit frame synchronization 1

BSP1_CLK Transmit clock 1

External clock input 1

S

Receive frame synchronization 1

UART1_CT UART1 clear to send

UART1 request to send

S

UART1 receive data

UART1_TX UART1 transmit data

GND GND

GPIO_136 GPIO_136

GPIO_126 GPIO_126

GPIO_137 GPIO_137

GPIO_129 GPIO_129

GPIO_138 GPIO_138

GPIO_55 GPIO_55

GPIO_139 GPIO_139

GPIO_56

GPIO_61

GPIO_65

GPIO_56

GPIO_61

GPIO_65

BSP3_DX Transmitted serial data 3

BSP3_DR Received serial data 3

24

33

34

35

36

37

38

39

40

26

27

28

29

30

31

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BSP3_CLK Transmit clock 3

X

Transmit frame synchronization 3

GND GND

IIC3_SCL

IIC3_SDA

IIC3 master serial clock

IIC3 serial bidirectional data

SPI1_SIMO Slave data in, master data out

SPI1_SOMI Slave data out, master data in

SPI1_CLK SPI1 clock

SPI1_CS0 SPI enable 0

SPI1_CS3 SPI enable 3

HDQ_SIO

VDD33

Bidirectional HDQ

3.3V

VDD18

VDD50

GND

1.8V

5V

GND

Table 2-3-17 expansion interface

2.3.18 KEY

2

3

Pin

1

4

Signal

ON/OFF

RESET

USER1

USER2

J8

Function

System ON/OFF key

System reset key

User-defined key 1

User-defined key 2

Table 2-3-18 KEY

2.3.19 LED

Pin

LED1

LED 2

LED 3

LED 4

LED 5

Signal

3V3

SYS

LEDB

LED1

LED2

LED 1-10

Function

3.3V power indicator

System LED

System LED

User-defined key 1

User-defined key 2

25

LED 6

LED 7

LED 8

LED 9

LED 10

USB1

USB2

USB3

USB4

HUB

USB indicator 1

USB indicator 2

USB indicator 3

USB indicator 4

USB HUB indicator

Table 2-3-19 LED

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Chapter 3 Linux Operating System

3.1 Introduction

This section is intended to provide detailed instruction on Operating System Software development of DM3730-EVK board.

1) Describes the Software Resources provided by DM3730-EVK.

2) Describes the software feature.

3) Explains the software Development including how to set up the development environment, the building guidance of the boot loader, kernel and file system, and the development of device driver.

4) Provides flashing methods using boot loader commands.

5) Shows the usage of DM3730-EVK

6) Shows the application development.

In this part, it is suggested to:

1) Install Ubuntu Linux in advance, please refer to Appendix II for details;

2) Master relative embedded Linux development technology.

3.2 Software Resources

This chapter provides an overview of software system components of DM3730-EVK. A basic software system consists of four parts: x-loader, u-boot, kernel and rootfs. The Figure 3.2.1 shows the structure of the system:

Figure 3.2.1

Features and functions of each part of the system are given below:

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1) X-loader is a first level bootstrap program. After the system start-up, the ROM inside the CPU will copy the x-loader to internal RAM and perform its routine work. Its main function is to initialize the CPU, copy u-boot into the memory and give the control to u-boot;

2) U-boot is a second level bootstrap program. It is used for interacting with users and updating images and leading the kernel;

3) The latest 2.6.x kernel is employed here and it can be customized based on DM3730-EVK;

4) Rootfs employs Open-source system. It is small in capacity and powerful, very suitable for embedded systems;

3.3 Software Features

Item

BIOS

Kernel

Device Driver

Serial

Rtc

Net

Flash

Lcd

Touch screen mmc/sd x-loader u-boot

Linux-2.6.x

Note

NAND / ONENAND

MMC/SD

FAT

NAND / ONENAND

MMC/SD

FAT

NET

Supports ROM/CRAM/EXT2/EXT3/FAT/NFS/

JFFS2/UBIFS and various file systems

Series driver

Hardware clock driver

10/100M Ethernet card DM9000 driver nand flash driver (supports nand boot)

TFT LCD driver

Touch screen controller ads7846 driver usb otg mmc/sd controller driver usb otg 2.0 driver (can be configured as slave device currently)

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Demo usb ehci

Dvi s-video

Audio

Camera

Keypad

Led

Android

DVSDK

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usb ehci driver

Supports dvi-d signal output

Supports s-video signal output

Audio driver

Camera driver

6x6 matrix keyboard driver

User led lamp driver android 2.2 system

DVSDK 4_00_00_22

Table 3-3-1

3.4 System Development

3.4.1 Establishing operating system, development environment

Before executing software development on DM3730-EVK, the user has to establish a Linux cross development environment and install it in computer. How to establish a cross development environment will be introduced below by taking Ubuntu operating system as an example.

3.4.1.1 Installation of cross compilation tools

Installation of cross compilation tools is done by using the software CD provided along with this kit, to start the process insert the CD and allow it for autorun, Ubuntu will mount the disc under the directory /media/cdrom, the cross compilation tools are saved under the directory

/media/cdrom/linux/tools.

The following instructions are executed at the Ubuntu terminal to decompress the cross compilation tools under the directory /home/embest:

cd /media/cdrom/linux/tools tar xvf arm-eabi-4.4.0.tar.bz2 -C /home/embest

Some of the other development tools used for source code compilation are present in the directory linux/tools of the disc; the user can execute the following commands to copy them to local folder:

mkdir /home/embest/tools cp /media/cdrom/linux/tools/mkimage /home/embest/tools cp /media/cdrom/linux/tools/signGP /home/embest/tools

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It is defaulted to install it under the user directory that is subject to

/home/embest in the text; the user can change it to his directory properly.

3.4.1.2 Addition of environment variables

After all above tools are installed, it is necessary to use the following commands to add them in the temporary environment variables:

export PATH=/home/embest/arm-eabi-4.4.0/bin:/home/embest/tools:$PATH

The user can write it in the .barsrc file under the user directory, such that the addition of environment variables will be finished automatically when the system is booted; command echo $PATH can be used to check the path.

3.4.2 System compilation

3.4.2.1 Preparation

Source codes of all components of the system are under the directory linux/source in the disc; user has to decompress them to the Ubuntu system before executing development:

mkdir /home/embest/work cd /home/embest/work tar xvf /media/cdrom/linux/source/x-loader-03.00.02.07.tar.bz2 tar xvf /media/cdrom/linux/source/u-boot-03.00.02.07.tar.bz2 tar xvf /media/cdrom/linux/source/linux-2.6.32-dm3730_evk.tar.bz2 tar

/media/cdrom/linux/demo/Android/source/rowboat-android-froyo-dm3730_evk.tar.bz2 xvf sudo tar xvf /media/cdrom/linux/source/rootfs.tar.bz2

When the above steps are finished, the current directory will generate linux-2.6.32-dm3730_evk, u-boot-03.00.02.07, x-loader-03.00.02.07, rootfs and rowboat-android-froyo-dm3730_evk

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directories.

3.4.2.2 X-loader image generation

DM3730-EVK supports TF Card boot or NAND boot. The burned x-loader image files are different with the different boot modes, and the corresponding methods for mapping are different too.

We will introduce the generation of x-loader image file under different boot modes.

1) To generate x-loader image file MLO used for SD card start-up cd x-loader-03.00.02.07 make distclean make dm3730_evk_config make signGP x-load.bin mv x-load.bin.ift MLO

When the above steps are finished, the current directory will generate the file MLO which we need.

2) To generate the x-load.bin.ift_for_NAND start-up

To alter the file x-loader-03.00.02.07/include/configs/dm3730_evk.h and annotate the following:

vi x-loader-03.00.02.07/include/configs/dm3730_evk.h

// #define CONFIG_MMC 1

Cross compilation:

cd x-loader-03.00.02.07 make distclean make dm3730_evk_config make signGP x-load.bin mv x-load.bin.ift x-load.bin.ift_for_NAND

When the above steps are finished, the current directory will generate the file x-load.bin.ift_for_NAND which we need.

3.4.2.3 U-boot image generated cd u-boot-03.00.02.07 make distclean make dm3730_evk_config

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When the above steps are finished, the current directory will generate the file u-boot.bin which we need.

3.4.2.4 Kernel compilation

Before kernel compilation, the user has to select correct display according to the customize menu of kernel:

For Linux system, the output operation is as follows:

cd linux-2.6.32-dm3730_evk make distclean make dm3730_evk_defconfig make uImage

For Android system, the iutput operation is as follows:

cd linux-2.6.32-dm3730_evk make distclean make dm3730_evk_android_defconfig make menuconfig

If an error occurs in the system when make menuconfig is input, it is necessary to install ncurse in the Ubuntu system; ncurse library is a character graphic library, used for make menuconfig of kernel; the specific installation instruction is: sudo apt-get install ncurses-dev

Enter the k ernel customize menu now, enter “PANEL_TYPE” according to the following pointing paths:

Select under

“PANEL_TYPE” according to actually displayed screen size:

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After determining “PANEL_TYPE”, jump to parent directory, select “Exit” to exit, until the following picture appears, then select “Yes”:

make uImage

After above operations are executed, the required uImage file will be generated under the directory arch/arm/boot.

3.4.2.5 Generation of file system

1) Ramdisk file making

For Ramdisk making, please refer to http://he3.dartmouth.edu/old/VME-Linux/RamDisk.html

.

It will not be described in this document.

2) UBI file making

cd /home/embest/work sudo /home/embest/tools/mkfs.ubifs -r rootfs -m 2048 -e 129024 -c 1996 -o ubifs.img sudo /home/embest/tools/ubinize -o ubi.img -m 2048 -p 128KiB -s 512

/home/embest/tools/ubinize.cfg

After above operations are executed, the required ubi.img file will be generated under the current directory.

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3.4.2.6 Android compilation cd rowboat-android-froyo-dm3730_evk make

3.4.3 System Customization

As Linux kernel has many kernel configuration options, the user can increase or reduce the driver or some kernel features based on the default configuration to meet the demands in better ways.

The general process of system customization will be described with examples below.

3.4.3.1 Modification of kernel configuration

A default configuration file is provided in the factory kernel source codes: arch/arm/configs/dm3730_evk_defconfig

User can carry out system customization on this basis:

cd linux-2.6.32-dm3730_evk cp arch/arm/configs/dm3730_evk_defconfig .config make menuconfig

The system customization will be described below by taking usb gadget and usb mass storage device as an example:

Select the configuration below:

-> Device Drivers

-> USB support

-> USB Gadget Support

-> USB Gadget Drivers

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Select “File-backed Storage Gadget” as <M>, exit, and finally select Save to recompile kernel.

3.4.3.2 Compilation

Save configuration, execute the following commands to recompile kernel:

make uImage make modules

After above operations are executed, a new kernel image uImage will be generated under the directory arch/arm/boot, and a module file g_file_storage.ko will be generated under the directory drivers/usb/gadget.

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3.5 Introduction of driver

3.5.1 NAND

App, System call

VFS

MTD user module

JFFS2 JFFS Char device Block device

User

Memory technology device

Generic NAND driver

Kernel

MTD chip driver

NAND flash chip driver

GPMC module

CFI flash er driv

RAM,ROM

Chips etc

NAND flash

Figure 3.5.1 Modular structure for NAND

Hardware

Solid-state memory used in embedded systems is mainly flash; it is NAND flash in this system.

NAND flash is used as a block device, on which the file system is arranged; interaction between user and NAND flash is mainly realized by a specific file system. In order to shield difference in different flash memories, kernel inserts an MTD subsystem between the file system and the specific flash driver for management.

Therefore, the user accesses NAND flash through the following process:

User->System Call->VFS->Block Device Driver->MTD->NAND Flash Driver->NAND Flash。

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Kernel Driver reference path:

linux-2.6.32-dm3730_evk/drivers/mtd/nand/ linux-2.6.32-dm3730_evk/drivers/mtd/nand/omap2.c

3.5.2 SD/MMC

App, System call

Use r

Kernel (Generic disk handler, File system)

BUFFER_CACHE

MMC_QUEUE

MMC_BLOCK MMC/SD CORE

MMC/SD CONTROLLER DRIVER

Kernel

HARDWARE (MMC/SD/SDIO CONTROLLER)

Hardware

Figure 3.5.2 Modular structure for SD/MMC

SD/MMC card drivers under Linux mainly include SD/MMC core, mmc_block, mmc_queue and

SD/MMC driver four parts:

1) SD/MMC core realizes core codes unlated to structure in the SD/MMC card operation.

2) mmc_block realizes driver structure when SD/MMC card is used as a block device.

3) mmc_queue realizes management of request queue.

4) SD/MMC driver realizes specific controller driver.

Kernel Driver reference path:

linux-2.6.32-dm3730_evk/drivers/mmc/ linux-2.6.32-dm3730_evk/drivers/mmc/host/omap_hsmmc.c

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3.5.3 Display interface

Control

Application sysfs

Interface

GUI

Application

/dev/fb0

FBDEV Driver

Streamimg

Application

/dev/v4l2/video1

/dev/v4l2/video2

V4L2 Driver

User

Graphics overlay

LCD

Manag er

Video1 overlay

DSS Library

TV

Manag er

DSS Library

LCD Control

Video

Encoder

Video2 overlay

Kernel

Hardware

Figure 3.7.3 Modular structure for display

Display Sub-System hardware integrates one graphics pipeline, two video pipelines, and two overlay managers (one for digital and one for analog interface). Digital interface is used for LCD and DVI output and analog interface is used for TV out.

The primary functionality of the display driver is to provide interfaces to user level applications and managing of Display Sub-System hardware.

Kernel Driver reference path:

linux-2.6.32-dm3730_evk/drivers/video/omap2/ linux-2.6.32-dm3730_evk/drivers/video/omap2/omapfb/omapfb-main.c

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3.5.4 Video capture

Video capture application

Use r

V4L2 LAYER

CAMERA DRIVER

CCDC DRIVER DECODER DRIVER

Kernel

HARDWARE

Hardware

Figure 3.5.4 Modular structure for video capture

V4L2 Subsystem:

The Linux V4L2 subsystem is used as an infrastructure to support the operation of the Camera

Driver. Camera applications mainly use the V4L2 API to access the Camera Driver functionality. A

Linux 2.6 V4L2 implementation is used in order to support the standard features that are defined in the V4L2 specification.

Video Buffer Library:

This library comes with V4L2. It provides helper functions to cleanly manage the video buffers through a video buffer queue object.

Camera Driver:

The Camera Driver allows capturing video through an external decoder. The camera driver is registered to the V4L2 layer as a master device driver. Any slave decoder driver added to the

V4L2 layer will be attached to this driver through the new V4L2 master-slave interface layer. The current implementation supports only one slave device.

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Decoder Driver:

A decoder driver must implement the new V4L2 master-slave interface. It should register to the

V4L2 layer as a slave device. Changing a decoder requires implementation of a new decoder driver; it does not require changing the Camera Driver. Each decoder driver exports a set of

IOCTLs to the master device through function pointers.

CCDC library:

CCDC is a HW block in which acts as a data input port. It receives data from the sensor/decoder through parallel interface. The CCDC library exports API to configure CCDC module. It is configured by the master driver based on the sensor/decoder attached and desired output from the camera driver.

Kernel Driver reference path:

linux-2.6.32-dm3730_evk/drivers/media/video/ linux-2.6.32-dm3730_evk/drivers/media/video/omap34xxcam.c linux-2.6.32-dm3730_evk/drivers/media/video/tvp514x-int.c

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3.5.5 Audio in/out

Native ALSA application

ALSA LIBRARY

PCM

ALSA KERNEL API

CONTROL

ALSA SOC CORE

Use r

Kernel

CODEC

DRIV

MACHINE

DRIVER

PLATFORM

DRIVE

ER R

HARDWARE

Hardware

Figure 3.5.5 Modular structure for Audio

ASoC basically splits an embedded audio system into three components:

 Codec driver: The codec driver is platform independent and contains audio controls, audio interface capabilities, codec dapm definition and codec IO functions.

 Platform driver: The platform driver contains the audio dma engine and audio interface drivers (e.g. I2S, AC97, PCM) for that platform.

 Machine driver: The machine driver handles any machine specific controls and audio events i.e. turning on an amp at start of playback.

Kernel Driver reference path:

linux-2.6.32-dm3730_evk/sound/soc/ linux-2.6.32-dm3730_evk/sound/soc/omap/dm3730_evk.c linux-2.6.32-dm3730_evk/sound/soc/codecs/twl4030.c

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3.6 Driver Development

3.6.1 Driver For The gpio_keys

1) Device Definition

linux-2.6.32-dm3730_evk/arch/arm/mach-omap2/board-dm3730_evk.c

Setup GPIO 26 as “menu” key, return value as “KEY_F1”, triggered on low level; gpio 29 as

”back”key, return value as ”KEY_ESC”, triggered on low level. The structure template is shown below. static struct gpio_keys_button gpio_buttons[] = {

{

.code = KEY_F1,

.gpio = 26,

.desc = "menu",

.active_low = true,

},

{

.code = KEY_ESC,

.gpio = 29,

.desc = "back",

.active_low = true,

},

}; static struct gpio_keys_platform_data gpio_key_info = {

};

.buttons = gpio_buttons,

.nbuttons = ARRAY_SIZE(gpio_buttons), static struct platform_device keys_gpio = {

.name = "gpio-keys",

.id = -1,

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.dev = {

.platform_data = &gpio_key_info,

},

};

2) GPIO pinmux Configuration

Setup the GPIO 26, 29 as M4 (GPIO mode), IEM (Input enable). u-boot-03.00.02.07/board/dm3730_evk.h

/*

* IEN - Input Enable

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* IDIS - Input Disable

* PTD - Pull type Down

* PTU - Pull type Up

* DIS - Pull type selection is inactive

* EN - Pull type selection is active

* M0 - Mode 0

* The commented string gives the final mux configuration for that pin

*/

MUX_VAL(CP(ETK_D12_ES2), (IEN | PTU | DIS | M4)) /*GPIO_26*/\

MUX_VAL(CP(ETK_D15_ES2), (IEN | PTU | DIS | M4)) /*GPIO_29*/\

3) Driver Design

linux-2.6.32-dm3730_evk/drivers/input/keyboard/gpio_keys.c a) Structure for platform_driver_register to register gpio_keys driver. static struct platform_driver gpio_keys_device_driver = {

.probe = gpio_keys_probe,

.remove = __devexit_p(gpio_keys_remove),

.driver = {

.name = "gpio-keys",

.owner = THIS_MODULE,

#ifdef CONFIG_PM

.pm = &gpio_keys_pm_ops,

#endif

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}

}; static int __init gpio_keys_init(void)

}

{

return platform_driver_register(&gpio_keys_device_driver); static void __exit gpio_keys_exit(void)

}

{

platform_driver_unregister(&gpio_keys_device_driver); module_init(gpio_keys_init); module_exit(gpio_keys_exit);

MODULE_LICENSE("GPL");

MODULE_AUTHOR("Phil Blundell <[email protected]>");

MODULE_DESCRIPTION("Keyboard driver for CPU GPIOs");

MODULE_ALIAS("platform:gpio-keys"); b) Structure for input_register_device to register input driver. static int __devinit gpio_keys_probe(struct platform_device *pdev)

{

input = input_allocate_device();

for (i = 0; i < pdata->nbuttons; i++) {

struct gpio_keys_button *button = &pdata->buttons[i];

struct gpio_button_data *bdata = &ddata->data[i];

unsigned int type = button->type ?: EV_KEY;

44

bdata->input = input;

bdata->button = button;

error = gpio_keys_setup_key(dev, bdata, button);

if (error)

goto fail2;

if (button->wakeup)

wakeup = 1;

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input_set_capability(input, type, button->code);

}

error = input_register_device(input);

… c) Apply GPIO and setup the GPIO as the input, registration gpio interrupt. static int __devinit gpio_keys_setup_key(struct device *dev,

struct gpio_button_data *bdata,

struct gpio_keys_button *button)

{

char *desc = button->desc ? button->desc : "gpio_keys";

int irq, error;

setup_timer(&bdata->timer, gpio_keys_timer, (unsigned long)bdata);

INIT_WORK(&bdata->work, gpio_keys_work_func);

error = gpio_request(button->gpio, desc);

if (error < 0) {

dev_err(dev, "failed to request GPIO %d, error %d\n",

button->gpio, error);

goto fail2;

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}

error = gpio_direction_input(button->gpio);

if (error < 0) {

dev_err(dev, "failed to configure"

" direction for GPIO %d, error %d\n",

button->gpio, error);

goto fail3;

}

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irq = gpio_to_irq(button->gpio);

if (irq < 0) {

error = irq;

dev_err(dev, "Unable to get irq number for GPIO %d, error %d\n",

button->gpio, error);

goto fail3;

}

error = request_irq(irq, gpio_keys_isr,

IRQF_SHARED |

IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,

desc, bdata);

if (error) {

dev_err(dev, "Unable to claim irq %d; error %d\n",

irq, error);

goto fail3;

}

return 0; fail3:

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gpio_free(button->gpio); fail2:

return error;

} d) Interrupt handling,

Button is pressed, an interrupt is generated, reporting key static irqreturn_t gpio_keys_isr(int irq, void *dev_id)

{

} schedule_work(&bdata->work);

… static void gpio_keys_work_func(struct work_struct *work)

{

… gpio_keys_report_event(bdata);

} static void gpio_keys_report_event(struct gpio_button_data *bdata)

{

struct gpio_keys_button *button = bdata->button;

struct input_dev *input = bdata->input;

unsigned int type = button->type ?: EV_KEY;

int state = (gpio_get_value(button->gpio) ? 1 : 0) ^ button->active_low;

input_event(input, type, button->code, !!state);

input_sync(input);

}

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3.6.2 Driver for the gpio_leds

1) Device Definition

linux-2.6.32-dm3730_evk/arch/arm/mach-omap2/board-dm3730_evk.c

The driver main() will introduce how to create the driver on the kernel and enable the LED2, LED3,

LED4, LED5, the kernel configuration respectively are: user_ledb (GPIO186), sys_led (twl4030

LEDB), user_led1 (twl4030 GPIO2), user_led2 (twl4030 GPIO15), low level is enable: static struct gpio_led gpio_leds[] = {

{

.name = "sys_led",

.default_trigger = "heartbeat",

.gpio = 186,

.active_low = true,

},

{

.name = "user_ledb",

.gpio = -EINVAL,

.active_low = true,

},

{

.name = "user_led1",

.gpio = -EINVAL,

.active_low = true,

},

{

.name = "user_led2",

.gpio = -EINVAL,

};

.active_low = true,

},

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static struct gpio_led_platform_data gpio_led_info = {

.leds = gpio_leds,

.num_leds = ARRAY_SIZE(gpio_leds),

}; static struct platform_device leds_gpio = {

.name = "leds-gpio",

.id = -1,

.dev = {

};

.platform_data = &gpio_led_info,

}, static int dm3730_evk_twl_gpio_setup(struct device *dev,

unsigned gpio, unsigned ngpio)

{

/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */

gpio_leds[1].gpio = gpio + TWL4030_GPIO_MAX + 1;

gpio_leds[2].gpio = gpio + 2;

gpio_leds[3].gpio = gpio + 15;

}

2) GPIO pinmux Setup:

u-boot-03.00.02.07/board/dm3730_evk.h

Configure GPIO 186 as M4(MODE 4 = GPIO), IDIS(Input not allowed)

/*

* IEN - Input Enable

* IDIS - Input Disable

* PTD - Pull type Down

* PTU - Pull type Up

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* DIS - Pull type selection is inactive

* EN - Pull type selection is active

* M0 - Mode 0

* The commented string gives the final mux configuration for that pin

*/

MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTU | EN | M4)) /*GPIO_186*/\

3) Driver design:

linux-2.6.32-dm3730_evk/drivers/leds/leds-gpio.c a) Structure for platform_driver_register to register gpio_leds. static struct platform_driver gpio_led_driver = {

.probe = gpio_led_probe,

.remove = __devexit_p(gpio_led_remove),

.driver = {

.name = "leds-gpio",

.owner = THIS_MODULE,

},

}; static int __init gpio_led_init(void)

{

int ret;

#ifdef CONFIG_LEDS_GPIO_PLATFORM

ret = platform_driver_register(&gpio_led_driver);

if (ret)

return ret;

#endif

#ifdef CONFIG_LEDS_GPIO_OF

ret = of_register_platform_driver(&of_gpio_leds_driver);

#endif

#ifdef CONFIG_LEDS_GPIO_PLATFORM

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if (ret)

platform_driver_unregister(&gpio_led_driver);

#endif

return ret;

} static void __exit gpio_led_exit(void)

{

#ifdef CONFIG_LEDS_GPIO_PLATFORM

platform_driver_unregister(&gpio_led_driver);

#endif

#ifdef CONFIG_LEDS_GPIO_OF

}

of_unregister_platform_driver(&of_gpio_leds_driver);

#endif module_init(gpio_led_init); module_exit(gpio_led_exit);

MODULE_AUTHOR("Raphael Assenat

<[email protected]>");

MODULE_DESCRIPTION("GPIO LED driver");

<[email protected]>, Trent Piepho

MODULE_LICENSE("GPL"); b) Called platform_driver_register to register gpio_leds. Apply GPIO and called led_classdev_regisiter to register led_classdev. static int __devinit gpio_led_probe(struct platform_device *pdev)

{

leds_data = kzalloc(sizeof(struct gpio_led_data) * pdata->num_leds,

GFP_KERNEL);

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for (i = 0; i < pdata->num_leds; i++) {

ret = create_gpio_led(&pdata->leds[i], &leds_data[i],

&pdev->dev, pdata->gpio_blink_set);

if (ret < 0)

goto err;

}

} static int __devinit create_gpio_led(const struct gpio_led *template,

struct gpio_led_data *led_dat, struct device *parent,

int (*blink_set)(unsigned, unsigned long *, unsigned long *))

{

ret = gpio_request(template->gpio, template->name);

ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state);

ret = led_classdev_register(parent, &led_dat->cdev);

} static void gpio_led_set(struct led_classdev *led_cdev,

enum led_brightness value)

{

… c) User can access brightness file on the directory of /sys/class/leds/xxx/, called function gpio_led_set to configure led states.

gpio_set_value(led_dat->gpio, level);

}

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3.7 Updated of system

3.7.1 Update of TF card system image

1) The formatting of MMC/SD card

HP USB Disk Storage Format Tool 2.0.6 is recommended:

The software is downloading from http://www.embedinfo.com/english/download/SP27213.exe

. a) Insert TF card into the card reader in PC. b) Open the HP USB Disk Storage Format Tool, the following steps will show in detail: c)

Select “FAT32”. d)

Click “Start”. e) When formatt ing is completed, click “OK”.

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HP USB Disk Storage Format Tool will clear partitions of the TF card.

Please use the formatting software provided in the computer system

2) Update of images

Copy all files under the directory linux/image to the TF card, and rename uImage_xx as uImage according to the used display device LCD (4.3",7") or VGA. Connect the TF card, power on and boot it, the serial port information will be displayed as follows:

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Texas Instruments X-Loader 1.47 (Sep 27 2011 - 15:53:45)

DM3730_EVK xM Rev A

Starting X-loader on MMC

Reading boot sector

1153680 Bytes Read from MMC

Starting OS Bootloader from MMC...

Starting OS Bootloader...

U-Boot 2010.06-rc1-svn (Sep 27 2011 - 14:54:40)

OMAP34xx/35xx-GP ES2.1, CPU-OPP2 L3-165MHz

DM3730_EVK board + LPDDR/NAND

I2C: ready

DRAM: 512 MiB

NAND: 512 MiB

*** Warning - bad CRC or NAND, using default environment

In: serial

Out: serial

Err: serial

DM3730_EVK xM Rev A

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Die ID #065400029e3800000168263d0600900a

Net: dm9000

Hit any key to stop autoboot: 0 mmc1 is available reading boot.scr

** Unable to read "boot.scr" from mmc 0:1 ** reading uImage

2551588 bytes read reading ramdisk.gz

7686374 bytes read

Booting from mmc ...

## Booting kernel from Legacy Image at 80300000 ...

Image Name: Linux-2.6.32

Image Type: ARM Linux Kernel Image (uncompressed)

Data Size: 2551524 Bytes = 2.4 MiB

Load Address: 80008000

Entry Point: 80008000

Verifying Checksum ... OK

Loading Kernel Image ... OK

OK

Starting kernel ...

Uncompressing

Linux..................................................................................................................................................

............. done, booting the kernel.

Linux version 2.6.32 (luofc@TIOP) (gcc version 4.4.0 (GCC) ) #1 Mon Mar 14 10:08:34 CST

2011

………

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………

Remounting root file system... mount: mounting /dev/root on / failed: Invalid argument mount: mounting /dev/root on / failed: Invalid argument root: mount: mounting rootfs on / failed: No such file or directory root: mount: mounting usbfs on /proc/bus/usb failed: No such file or directory

Setting up IP spoofing protection: rp_filter.

Configuring network interfaces... udhcpc (v1.11.3) started

Sending discover... udhcpc: sendto: Network is down

Sending discover... udhcpc: sendto: Network is down

INIT: Entering runlevel: 5

Starting syslogd/klogd: done

.-------.

| | .-.

| | |-----.-----.-----.| | .----..-----.-----.

| | | __ | ---'| '--.| .-'| | |

| | | | | |--- || --'| | | ' | | | |

'---'---'--'--'--. |-----''----''--' '-----'-'-'-'

-' |

'---'

The Angstrom Distribution DM3730_EVK ttyS2

Angstrom 2008.1-test-20090127 DM3730_EVK ttyS2

DM3730_EVK login:

HyperTerminal displays above information to indicate that it is successful to boot Linux system from TF card.

3.7.2 Update of NAND Flash

Update of Nand boot image is finished in aid with u-boot. No matter whether NAND FLASH has data or not, u-boot of the TF card can be used to update NAND FLASH images.

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1) Preparation

a) Format the TF card to FAT or FAT32 file system through HP USB Disk Storage Format

Tool 2.0.6 b) Copy x-load.bin.ift_for_NAND, flash-uboot.bin, uImage_xx and ubi.img image files in the disc to the TF card, and rename uImage_xx as uImage according to the display device

LCD (4.3", 7") or VGA you used.

2) Update a)

Insert the TF card with the system images into the development board, power on and boot it, and press any key on the PC keyboard to enter the u-boot according to the following clock prompts:

Texas Instruments X-Loader 1.47 (Sep 27 2011 - 15:53:45)

DM3730_EVK xM Rev A

Starting X-loader on MMC

Reading boot sector

1153680 Bytes Read from MMC

Starting OS Bootloader from MMC...

Starting OS Bootloader...

U-Boot 2010.06-rc1-svn (Sep 27 2011 - 14:54:40)

OMAP34xx/35xx-GP ES2.1, CPU-OPP2 L3-165MHz

DM3730_EVK board + LPDDR/NAND

I2C: ready

DRAM: 512 MiB

NAND: 512 MiB

*** Warning - bad CRC or NAND, using default environment

In: serial

Out: serial

Err: serial

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DM3730_EVK xM Rev A

Die ID #22e800211e3000000158ed8408008020

Net: dm9000

Hit any key to stop autoboot: 0 (Here press any key to enter u-boot) b) After entering the uboot command line, input “run updatesys” from the PC keyboard, to start to update the system automatically:

DM3730_EVK # run updatesys

NAND erase: device 0 whole chip

Skipping bad block at 0x1c9c0000

Erasing at 0x1ffe0000 -- 100% complete.

OK mmc1 is available reading x-load.bin.ift_for_NAND

11000 bytes read

HW ECC selected

NAND write: device 0 offset 0x0, size 0x2af8

12288 bytes written: OK reading flash-uboot.bin

230764 bytes read

SW ECC selected

NAND write: device 0 offset 0x80000, size 0x3856c

231424 bytes written: OK reading uImage

2561868 bytes read

SW ECC selected

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NAND write: device 0 offset 0x280000, size 0x27174c

2562048 bytes written: OK reading ubi.img

7602176 bytes read

SW ECC selected

NAND write: device 0 offset 0x680000, size 0x740000

7602176 bytes written: OK

DM3730_EVK # c) At this time, flickering of LED lamp on the board indicates that update has been finished; you just need to reboot it.

3.8 Instructions

3.8.1 Various Tests senario

3.8.1.1 LED Testing

SYS_LED, USER_LEDB, USER_LED1 and USER_LED2 in th e board is user’ led lamp.

The following operation carried out in HyperTerminal:

1) Control sys_led: root@DM3730_EVK:# echo 1 > /sys/class/leds/sys_led/brightness root@DM3730_EVK:# echo 0 > /sys/class/leds/sys_led/brightness

2) Control user_ledb: root@DM3730_EVK:# echo 1 > /sys/class/leds/user_ledb/brightness root@DM3730_EVK:# echo 0 > /sys/class/leds/user_ledb/brightness

3) Control user_led1: root@DM3730_EVK:# echo 1 > /sys/class/leds/user_led1/brightness root@DM3730_EVK:# echo 0 > /sys/class/leds/user_led1/brightness

4) Control user_led2: root@DM3730_EVK:# echo 1 > /sys/class/leds/user_led2/brightness

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root@DM3730_EVK:# echo 0 > /sys/class/leds/user_led2/brightness

The user pushes a LED with operation are to kill bright.

3.8.1.2 KEYPAD Testing

Board has two users keyboard USER1 USER2, users can and perform the following command testing: root@DM3730_EVK:~# evtest /dev/input/event0

Input driver version is 1.0.0evdev.c(EVIOCGBIT): Suspicious buffer size 511, limiting output to 64 bytes. See http://userweb.kernel.org/~dtor/eviocgbit-bug.html

Input device ID: bus 0x19 vendor 0x1 product 0x1 version 0x100

Input device name: "gpio-keys"

Supported events:

Event type 0 (Sync)

Event type 1 (Key)

Event code 1 (Esc)

Event code 59 (F1)

Testing ... (interrupt to exit)

Event: time 44.232697, type 1 (Key), code 59 (F1), value 1

Event: time 44.232697, -------------- Report Sync ------------

Event: time 44.396515, type 1 (Key), code 59 (F1), value 0

Event: time 44.396515, -------------- Report Sync ------------

Event: time 45.219238, type 1 (Key), code 1 (Esc), value 1

Event: time 45.219268, -------------- Report Sync ------------

Event: time 45.358306, type 1 (Key), code 1 (Esc), value 0

Event: time 45.358306, -------------- Report Sync ------------

Press CONTROL+C to quit the test. The back of the test is the same.

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3.8.1.3 Touch Screen Testing

This testing requires Linux boot from NAND FLASH

1) Run the command to test the touch screen. root@DM3730_EVK: # ts_calibrate

Then follow the LCD prompt, click the "+" icon 5 times to complete the calibration

2) Calibration is complete, enter the following commands for Touch Panel Test: root@DM3730_EVK: # ts_test

Follow the LCD prompts to choose draw point, draw line test.

3.8.1.4 RTC Testing

The development board contains hardware clock for save and synchronize the system time. Test can be made with the following steps:

1) Set the system time as Fri Aug 8 20:00:00 2011

root@DM3730_EVK: # date 011820002011

Fri Aug 8 20:00:00 UTC 2011

2) Write the system clock into RTC

root@DM3730_EVK: # hwclock -w

3) Read the RTC

root@DM3730_EVK: # hwclock

Fri Aug 8 20:00:00 UTC 2011

We can see that the RTC clock has been set as August, 8, 2008; the system clock will be saved in the hardware clock.

4) Restart the system, enter the following commands to renew the system clock

root@DM3730_EVK: # hwclock -s root@DM3730_EVK: # date

Fri Aug 8 20:00:00 UTC 2011

We can see the system time is set as hardware time.

The DM3730-EVK Development board RTC battery can use model

CR1220, user needs to prepare themselves.

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3.8.1.5 TF Card Testing

1) After connecting TF card, the system will mount the file system of the TF card under the directory /media automatically: root@DM3730_EVK:~# cd /media/ root@DM3730_EVK:/media# ls card hdd mmcblk0p1 ram union cf mmc1 net realroot

2) Enter the following command , you can see the contents inside the TF card: root@DM3730_EVK:/media# ls mmcblk0p1/ flash-uboot.bin u-boot.bin x-load.bin.ift_for_NAND mlo uImage ramdisk.gz ubi.img

3.8.1.6 USB Devices Testing

In the USB DEVICE testing, a conenction line is used to connect the miniUSB interface of the development board and the USB interface at the computer end; for the computer end, the development board is recognized as a network device to realize ping communication of two ends.

1) After booting the system, a USB mini B to USB A transfer line is used to connect the development board and the computer end, wherein USBmini B interface is connected with the development board, and the USB A interface is connected with the computer end. At this time, the computer needs to be installed with Linux USB Ethernet driver. Please refer to Appendix III for detailed installation method.

2) The following commands are input at the HyperTerminal, for example: root@DM3730_EVK:~# ifconfig usb0 192.168.1.115 root@DM3730_EVK:~# ifconfig lo Link encap:Local Loopback

inet addr:127.0.0.1 Mask:255.0.0.0

UP LOOPBACK RUNNING MTU:16436 Metric:1

RX packets:26 errors:0 dropped:0 overruns:0 frame:0

TX packets:26 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:2316 (2.2 KiB) TX bytes:2316 (2.2 KiB)

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usb0 Link encap:Ethernet HWaddr 5E:C5:F6:D4:2B:91

inet addr:192.168.1.115 Bcast:192.168.1.255 Mask:255.255.255.0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

RX packets:253 errors:0 dropped:0 overruns:0 frame:0

TX packets:43 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:35277 (34.4 KiB) TX bytes:10152 (9.9 KiB)

3) After the development board is configured, please click My Computer-Network

Neighborhood-Check Network Connection; a virtual network adapter will be added at the PC end.

4) Right-click virtual network adapter at the computer end, leftclick “Attribute”, double-left-click to enter the “Internet Protocol (TCP/IP)” to configure the IP address of the virtual network adapter:

5) Use ping command in the HyperTerminal to test whether the settings of the development board are successful: root@DM3730_EVK:~# ping 192.168.1.15

PING 192.168.1.15 (192.168.1.15): 56 data bytes

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64 bytes from 192.168.1.15: seq=0 ttl=128 time=0.885 ms

64 bytes from 192.168.1.15: seq=1 ttl=128 time=0.550 ms

6) Occurrence of above serial port information indicates that the testing is successful.

IP address of the network adapter configured in OTG cannot be the same as that of Ethernet interface.

3.8.1.7 USB HOST Testing

1) After connecting USB flash disk, the system will mount the file system of the USB flash disk under the directory /media automatically: root@DM3730_EVK:~# cd /media/ root@DM3730_EVK:/media# ls card hdd mmcblk0p1 ram sda1 cf mmc1 net realroot union

2) Contents in the USB flash disk will be seen after the following instruction is input: root@DM3730_EVK:/media# ls sda1/ flash-uboot.bin u-boot.bin x-load.bin.ift_for_NAND mlo uImage ramdisk.gz ubi.img

3.8.1.8 Audio Testing

The board has audio input and output interface, and we have alsa-utils audio test tools in the file system, users can enter the following commands for a test:

1) Recording Test

Plug in a microphone, you can test recording. root@DM3730_EVK:~# arecord -t wav -c 1 -r 44100 -f S16_LE -v k

Recording WAVE 'k' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo

Plug PCM: Hardware PCM card 0 'omap3evm' device 0 subdevice 0

Its setup is:

stream : CAPTURE

access : RW_INTERLEAVED

format : S16_LE

subformat : STD

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channels : 2

rate : 44100

exact rate : 44100 (44100/1)

msbits : 16

buffer_size : 22052

period_size : 5513

period_time : 125011

tstamp_mode : NONE

period_step : 1

avail_min : 5513

period_event : 0

start_threshold : 1

stop_threshold : 22052

silence_threshold: 0

silence_size : 0

boundary : 1445199872

appl_ptr : 0

hw_ptr : 0

2) Playback Testing

Plug in the headphones, you can hear what you have just recorded. root@DM3730_EVK:~# aplay -t wav -c 2 -r 44100 -f S16_LE -v k

Playing WAVE 'k' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo

Plug PCM: Hardware PCM card 0 'omap3evm' device 0 subdevice 0

Its setup is:

stream : PLAYBACK

access : RW_INTERLEAVED

format : S16_LE

subformat : STD

channels : 2

rate : 44100

exact rate : 44100 (44100/1)

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msbits : 16

buffer_size : 22052

period_size : 5513

period_time : 125011

tstamp_mode : NONE

period_step : 1

avail_min : 5513

period_event : 0

start_threshold : 22052

stop_threshold : 22052

silence_threshold: 0

silence_size : 0

boundary : 1445199872

appl_ptr : 0

hw_ptr : 0

3.8.1.9 Network Testing

1) The board has a 10/100M self-adapting network card DM9000; users can connect the board to the LAN and enter the following commands for a test: root@DM3730_EVK:~# ifconfig eth0 192.192.192.200 eth0: link down eth0: link up, 100Mbps, full-duplex, lpa 0x41E1 root@DM3730_EVK:~# ping 192.192.192.90

PING 192.192.192.90 (192.192.192.90): 56 data bytes

64 bytes from 192.192.192.90: seq=0 ttl=128 time=1.007 ms

64 bytes from 192.192.192.90: seq=1 ttl=128 time=0.306 ms

64 bytes from 192.192.192.90: seq=2 ttl=128 time=0.397 ms

64 bytes from 192.192.192.90: seq=3 ttl=128 time=0.367 ms

--- 192.192.192.90 ping statistics ---

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4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max = 0.306/0.519/1.007 ms

[root@DM3730_EVK /]# ping 192.192.192.170

PING 192.192.192.170 (192.192.192.170): 56 data bytes

64 bytes from 192.192.192.170: seq=0 ttl=128 time=4.486 ms

64 bytes from 192.192.192.170: seq=1 ttl=128 time=0.336 ms

2) Occurrence of above serial port information indicates that the testing is successful.

3.8.1.10 Camera Testing

1) If you have bought the specific camera module of DM3730-EVK, after connecting CAMERA module and CCD camera, connect LCD screen; carry out the testing by executing the following commands: root@DM3730_EVK:~# saMmapLoopback tvp514x 2-005d: tvp5146m2 found at 0xba (OMAP I2C adapter)

Capture: Opened Channel

Capture: Current Input: COMPOSITE

Capture: Current standard: PAL

Capture: Capable of streaming

Capture: Number of requested buffers = 3

Capture: Init done successfully

Display: Opened Channel

Display: Capable of streaming

Display: Number of requested buffers = 3

Display: Init done successfully

Display: Stream on...

Capture: Stream on...

2) At this time, LCD display screen will display images collected by the CCD camera.

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3.8.1.11 GPRS8000-S module

If the camera modules are from Embest then you can donload the module material from below link: http://www.timll.com/chinese/uploadFile/GPRS8000.rar

3.8.1.12 GPS8000-S module

If the camera modules are from Embest then you can donload the module material from below link: http://www.timll.com/chinese/uploadFile/GPS8000.rar

3.8.1.13 CDMA8000-U module

If the camera modules are from Embest then you can donload the module material from below link: http://www.timll.com/chinese/uploadFile/cdma8000.rar

3.8.1.14 WCDMA8000-U module

If the camera modules are from Embest then you can donload the module material from below link: http://www.timll.com/chinese/uploadFile/WCDMA8000-110113.zip

3.8.2 Demo

3.8.2.1 Android system demonstration

DM3730-EVK provides Android system demonstration, please follow below steps:

1) Copy all files under the directory CD\linux\demo\Android\image to the TF card, select according to the size of LCD you have bought, and rename uImage_xx as uImage;

2) Put the TF card in the development card, and directly power it on; the debugging tool will display the following information:

60

Texas Instruments X-Loader 1.47 (Sep 20 2011 - 16:18:31)

DM3730-EVK xM Rev A

Starting X-loader on MMC

68

Reading boot sector

1153712 Bytes Read from MMC

Starting OS Bootloader from MMC...

Starting OS Bootloader...

U-Boot 2010.06-rc1-svn (Sep 27 2011 - 14:57:19)

OMAP34xx/35xx-GP ES2.1, CPU-OPP2 L3-165MHz

DM3730_EVK board + LPDDR/NAND

I2C: ready

DRAM: 512 MiB

NAND: 512 MiB

*** Warning - bad CRC or NAND, using default environment

In: serial

Out: serial

Err: serial

DM3730_EVK xM Rev A

Die ID #3a7e00229e3800000168263d0402302f

NAND erase: device 0 whole chip

Erasing at 0x1ffe0000 -- 100% complete.

OK mmc1 is available reading x-load.bin.ift_for_NAND

10892 bytes read

HW ECC selected

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NAND write: device 0 offset 0x0, size 0x2a8c

12288 bytes written: OK reading flash-uboot.bin

1152260 bytes read

SW ECC selected

NAND write: device 0 offset 0x80000, size 0x119504

1153024 bytes written: OK reading uImage

2572792 bytes read

SW ECC selected

NAND write: device 0 offset 0x280000, size 0x2741f8

2574336 bytes written: OK reading ubi.img

79036416 bytes read

SW ECC selected

NAND write: device 0 offset 0x680000, size 0x4b60000

79036416 bytes written: OK

3) LED lamp sys on the board will flicker to prompt after programming is finished, at this time, please pull the TF card out.

4) Power it on again and boot to enter the android operating system.

3.8.2.2 DVSDK System Demonstration

DVSDK (Digital Video Software Development Kit) is software developed by TI Company, the function of which is to establish a connection between ARM and DSP.

The application program runs at the ARM end, and ARM processes IO interface and the application program. ARM uses VISA APIs interface provided by Codec Engine to process video,

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image and voice signals. Codec Engine then uses DSP/BIOS Link and xDIAS as well as xDM protocol to communicate with the Codec Engine server. DSP processes these signals and puts results of processing in the memory space shared by ARM, such that the ARM end can obtain these results.

 The computer end has to be installed with Linux operating system in advance; and the instruction in Step 1 is finished in PC.

 uImage_4.3 mentioned in the following context means 4.3-inch screen; please use uImage_7 if the user uses 7-inch screen.

1) Divide the TF card into two partitions (please refer to Appendix IV for specific operation),

connect the TF card to PC, and then execute the following commands:

cp /media/cdrom/linux/demo/dvsdk/image/MLO /media/LABEL1 cp /media/cdrom/linux/demo/dvsdk/image/u-boot.bin /media/LABEL1 cp /media/cdrom/linux/demo/dvsdk/image/uImage_4.3 /media/LABEL1/uImage rm -rf /media/LABEL2/* sudo tar jxvf linux/demo/dvsdk/image/ dvsdk-dm37x-evm-rootfs.tar.bz2 -C

/media/LABEL2 sync umount /media/LABEL1 umount /media/LABEL2

2) Prepare TF card, insert it in the development board, and turn the power switch on; it is necessary to configure parameters of u-boot; the boot-up serial port information is as follows:

(boldface letters are character contents to be input)

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Texas Instruments X-Loader 1.47 (Sep 27 2011 - 15:53:45)

DM3730_EVK xM Rev A

Starting X-loader on MMC

Reading boot sector

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1153680 Bytes Read from MMC

Starting OS Bootloader from MMC...

Starting OS Bootloader...

U-Boot 2010.06-rc1-svn (Sep 27 2011 - 14:54:40)

OMAP34xx/35xx-GP ES2.1, CPU-OPP2 L3-165MHz

DM3730_EVK board + LPDDR/NAND

I2C: ready

DRAM: 512 MiB

NAND: 512 MiB

In: serial

Out: serial

Err: serial

DM3730_EVK xM Rev A

Die ID #3a7e00229e3800000168263d0402302fNet: dm9000

Hit any key to stop autoboot: 0

(herein input any key)

DM3730_EVK #

setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rootfstype=ext3 rw rootwait mpurate=1000 mem=99M@0x80000000 mem=128M@0x88000000 omapdss.def_disp=lcd omap_vout.vid1_static_vrfb_alloc=y

omapfb.vram=0:3M

DM3730_EVK # setenv bootcmd 'mmc init;fatload mmc 0 80300000 uImage;bootm 80300000'

DM3730_EVK # saveenv

DM3730_EVK # boot mmc1 is available reading uImage

2547428 bytes read

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## Booting kernel from Legacy Image at 80300000 ...

Image Name: Linux-2.6.32

Image Type: ARM Linux Kernel Image (uncompressed)

Data Size: 2547364 Bytes = 2.4 MiB

Load Address: 80008000

Entry Point: 80008000

Verifying Checksum ... OK

Loading Kernel Image ... OK

OK

Starting kernel...

……

Arago Project http://arago-project.org dm37x-evm ttyS2

Arago 2010.07 dm37x-evm ttyS2 dm37x-evm login: root

3) DVSDK file system has some preinstalled application programs, which can be executed by the user; running This pipeline decodes H.264 of GStreamer pipelines will be taken as shown example below: root@dm37x-evm:cd /usr/share/ti/gst/omap3530 root@dm37x-evm:/usr/share/ti/gst/omap3530# ./loadmodules.sh cmemk unregistered

CMEMK module: built on Oct 14 2010 at 13:14:41

Reference Linux version 2.6.32

File

/sdk/build/DVSDK_4_00/4_00_00_22/arago-install/arago-tmp/work/dm37x-evm-none-linux-gnuea bi/ti-linuxutils-1_2_25_05_11-r89d/linuxutils_2_25_05_11/packages/ti/sdo/linuxutils/cmem/src/mo dule/cmemk.c allocated heap buffer 0xc9000000 of size 0x53d000 cmemk initialized

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DSPLINK Module (1.65.00.02) created on Date: Oct 14 2010 Time: 13:21:09

SDMAK module: built on Oct 14 2010 at 13:14:44

Reference Linux version 2.6.32

File

/sdk/build/DVSDK_4_00/4_00_00_22/arago-install/arago-tmp/work/dm37x-evm-none-linux-gnuea bi/ti-linuxutils-1_2_25_05_11-r89d/linuxutils_2_25_05_11/packages/ti/sdo/linuxutils/sdma/src/mod ule/sdmak.c root@dm37x-evm:/usr/share/ti/gst/omap3530#

gst-launch filesrc location=/usr/share/ti/data/videos/davincieffect_480p30.264 \! typefind ! TIViddec2 !

TIDmaiVideoSink rotation=270 -v

Setting pipeline to PAUSED ...

= /GstPipeline:pipeline0/GstTypeFindElement:typefindelement0.GstPad:src: video/x-h264 caps

Pipeline is PREROLLING ...

/GstPipeline:pipeline0/GstTIViddec2:tividdec20.GstPad:sink: caps = video/x-h264

/GstPipeline:pipeline0/GstTIViddec2:tividdec20.GstPad:src: caps = video/x-raw-yuv, format=(fourcc)UYVY, framerate=(fraction)30000/1001, width=(int)720, height=(int)576

/GstPipeline:pipeline0/GstTIViddec2:tividdec20.GstPad:src: caps = video/x-raw-yuv, format=(fourcc)UYVY, framerate=(fraction)30000/1001, width=(int)720, height=(int)480

/GstPipeline:pipeline0/GstTIDmaiVideoSink:tidmaivideosink0.GstPad:sink: caps = video/x-raw-yuv, format=(fourcc)UYVY, framerate=(fraction)30000/1001, width=(int)720, height=(int)480

Pipeline is PREROLLED ...

Setting pipeline to PLAYING ...

New clock: GstSystemClock

4) At this time, the screen will play a video clip.

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For detailed information please reference DVSDK TI main page , or

TMS320DM3730_Software_Developers_Guide.PDF document.

3.9 The Development Of Application

This section mainly introduces to development of application programs, and illustrates the general process of development of application programs with cases.

Development example of LED application program

1) To Edit code

led_acc.c source code: control three LED lamps on the development board to flicker in a way of accumulator.

#include <stdio.h>

#include <unistd.h>

#include <sys/types.h>

#include <sys/ipc.h>

#include <sys/ioctl.h>

#include <fcntl.h>

#define LED1 "/sys/class/leds/user_ledb/brightness"

#define LED2 "/sys/class/leds/user_led1/brightness"

#define LED3 "/sys/class/leds/user_led2/brightness" int main(int argc, char *argv[])

{ int f_led1, f_led2, f_led3; unsigned char i = 0; unsigned char dat1, dat2, dat3; if((f_led1 = open(LED1, O_RDWR)) < 0){ printf("error in open %s",LED1); return -1;

} if((f_led2 = open(LED2, O_RDWR)) < 0){

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printf("error in open %s",LED2); return -1;

} if((f_led3 = open(LED3, O_RDWR)) < 0){ printf("error in open %s",LED3); return -1;

} for(;;){ i++; dat1 = i&0x1 ? '1':'0'; dat2 = (i&0x2)>>1 ? '1':'0'; dat3 = (i&0x4)>>2 ? '1':'0'; write(f_led1, &dat1, sizeof(dat1)); write(f_led2, &dat2, sizeof(dat2)); write(f_led3, &dat3, sizeof(dat3)); usleep(300000);

}

}

2) To Cross-compile

arm-eabi-gcc led_acc.c -o led_acc

3) Download and run

Upload to the development board system through TF card, USB flash disk or network, enter the directory with the led_acc file, input the following commands and press Enter, to run led_acc in the background.

./led_acc &

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Chapter 4 WinCE Operating System

4.1 Introduction

This section mainly introduces DM3730-EVK system and application development under Windows

Embedded CE 6.0 R3, as well as situation of software resources in disc, software features, establishment of development environment, and how to compile and port BSP (board support package) and so on

4.2 Software Resources

BSP (Board Support Package)

CD\wince_6\BSP\DM3730_EVK.rar

CD\wince_6\BSP\OMAP35XX_TPS659XX_TI_V1.rar

CD\ wince_6\PowerVR\wince_gfx_sgx_01_01_00_patch_01_setup.exe

Windows Embedded CE 6.0 R3 sample project

CD\wince_60\prj\DM3730_EVK.rar

Sample application

CD\wince_60\app\GPIOAppDemo.rar

Pre-compile image

CD\wince_60\Image\

MLO

Xldrnand.nb0

First bootloader for SD card boot

First bootloader for nand boot

Ebootsd.nb0

Ebootnand.nb0

Nk.bin

Second bootloader for SD card boot

Second bootloader for nand boot

WinCE runtime image

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4.3 Features

Resources of BSP:

Catalog Item

X-Loader

(First boot loader)

EBOOT

(Second loader)

NAND

ONENAND

SD

NAND boot ONENAND

SD

KILT(USB RNDIS)

OAL

Driver

REBOOT

Watchdog

RTC

System timer

Interrupt controll

Low power suspend

NLED driver

GPIO/I2C/SPI/MCBSP driver

Series port driver

6X6 keyboard driver

Audio driver

NAND driver

Source

Source

Display driver(LCD/DVI.

-Video/Composite Video)/ TOUCH driver

S

Source

SD/MMC/SDIO driver

DM9000 network card driver

Source

Source

USB OTG driver

USB EHCI driver

Source

Source

Source

Source

Source

Source

Source

Source

Source

Source

Source

Source

Source code / binary

Source source

Source

Source

Source source

Source

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VRFB driver

DSPLINKK/CMEMK driver

Source

Binary

AAC/MPEG2/MPEG4/H264 DSP Hardware

Binary decode fitler

GPIO keyboard driver

PWM(TPS65930)driver

ADC(TPS65930)driver

ONENAND driver

Camera driver

DMA driver

Source

Source

Source

Source

Source

Source

RTC driver

Backlight driver

Battery driver

Sleep / wakeup button driver

DVFS/Smart Reflex powerVR DDK & SDK

Source

Source

Source

Source

Source

Binary & Source SDK

4.4 System Development

4.4.1 Installation of compilation tools

Please install compilation tools to windows XP/Vista according to the following steps:

1) Visual Studio 2005

2) Visual Studio 2005 SP1

3) Visual Studio 2005 SP1 Update for Vista (vista system require)

4) Windows Embedded CE 6.0 Platform Builder

5) Windows Embedded CE 6.0 SP1

6) Windows Embedded CE 6.0 R2

7) Windows Embedded CE 6.0 Product Update Rollup 12/31/2008

8) Windows Embedded CE 6.0 R3

9) Windows Embedded CE 6.0 Product Update Rollup 12/31/2009

10) ActiveSync 4.5

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11) Windows Mobile 6 Professional SDK

4.4.2 Establishment of development environment

The following preparations should be made:

1) Extract [\wince_6\bsp\DM3730_EVK.rar] to [C:\WINCE600\PLATFORM] directory.

2) Extract [\wince_6\bsp\OMAP35XX_TPS659XX_TI_V1.rar] to

[C:\WINCE600\PLATFORM\COMMON\SRC\SOC].

3) Double click [CD\wince_6\powerVR\wince_gfx_sgx_01_01_00_patch_01_setup.exe] to install powerVR DDK and SDK, default install path is C:\TI\wince_gfx_sgx_01_01_00_patch_01, copy C:\TI\wince_gfx_sgx_01_01_00_patch_01\poweVR directory to C:\wince600\public.

4) Copy CD directory [CDROM\wince_6\prj\DM3730_EVK] to [C:\WINCE600\OSDesigns] directory。

5) Please modify the LCD or DVI config beford build solution.

For the 4.3” LCD

Modify platform/DM3730_EVK/src/drivers/lcd/vga/lcd_vga.c

#define LCD_4_3_INCH 1

//#define LCD_5_6_INCH 1

//#define LCD_7_INCH 1

For the 7” LCD

Modify platform/DM3730_EVK/src/drivers/lcd/vga/lcd_vga.c

//#define LCD_4_3_INCH 1

//#define LCD_5_6_INCH 1

#define LCD_7_INCH 1

For DVI output

Modify DM3730_EVK.bat set BSP_DVI_1280W_720H=1 set BSP_NOTOUCH=1

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The default installation path of the Windows Embedded CE 6.0 compilation tool in this context is [C:\WINCE600].

4.4.3 Sysgen & BSP complie

Below are the steps given for Sysgen and BSP compile

1) Open the existing project file DM3730_EVK.sln[C:\WINCE600\OSDesigns\DM3730_EVK]

2) Select [Build-> Build Solution] in vs2005 to sysgen and build BSP.

3) Images including MLO, EBOOTSD.nb0, NK.bin will be created after sysgen phase and build phase finished successfully, Copy the files MLO, EBOOTSD.nb0 and NK.bin under[C:\WINCE600\OSDesigns\DM3730_EVK\DM3730_EVK\RelDir\DM3730_EVK_ARMV4I_R elease] to the SD card.

4) Insert the SD card into the device and boot the device for a test.

4.4.4 Introduction of driver

The following picture shows the BSP architecture of DM3730-EVK:

Source code path of all drivers of BSP:

NLED driver bsp\DM3730_EVK\SRC\DRIVERS\NLED

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GPIO

I2C

SPI

MCBSP driver

Series port driver

6X6 keyboard driver

Audio driver

NAND driver bsp\DM3730_EVK\SRC\DRIVERS\GPIO bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\GPIO bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\OAL\I2C bsp\DM3730_EVK\SRC\OAL\OALI2C bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\CEDDK\I2C bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\SPI bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\MCBSP bsp\OMAP35XX_TPS659XX_TI_V1\omap\COM_MDD2 bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\UART bsp\OMAP35XX_TPS659XX_TI_V1\omap\GPIO_KEYPAD bsp\DM3730_EVK\SRC\DRIVERS\KEYPAD bsp\DM3730_EVK\SRC\DRIVERS\CESYSGEN\WAVE bsp\OMAP35XX_TPS659XX_TI_V1\omap\TPS659XX\WAV

E bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\WAVE bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\BLOCK bsp\DM3730_EVK\SRC\DRIVERS\BLOCK\NAND

Display driver(LCD/DVI. S bsp\DM3730_EVK\SRC\DRIVERS\LCD

-Video/Composite Video) bsp\DM3730_EVK\SRC\DRIVERS\DISPLAY bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\DISPLAY

TOUCH driver bsp\DM3730_EVK\SRC\DRIVERS\TOUCH

SD/MMC/SDIO driver bsp\DM3730_EVK\SRC\DRIVERS\SDBUS bsp\DM3730_EVK\SRC\DRIVERS\SDHC bsp\DM3730_EVK\SRC\DRIVERS\SDMEMORY bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\SDHC

DM9000 network card bsp\DM3730_EVK\SRC\DRIVERS\DM9000 driver

USB OTG driver bsp\DM3730_EVK\SRC\DRIVERS\MUSB bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\musb

USB EHCI driver bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\USB\EHCIP

DD

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VRFB driver

DSPLINKK/CMEMK

AAC/MPEG2/MPEG4/H2

64 DSP

Hardware decode fitler

GPIO keyboard driver

PWM(TPS65930)driver

ADC(TPS65930)driver

ONENAND drive bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\VRFB bsp\DM3730_EVK\FILES\ cmemk.dll bsp\DM3730_EVK\FILES\ dsplinkk.dll bsp\DM3730_EVK\FILES\ MPEG2VideoDecoder.dll bsp\DM3730_EVK\FILES\ MPEG4VideoDecoder.dll bsp\DM3730_EVK\FILES\ H264VideoDecoder.dll bsp\DM3730_EVK\FILES\ AACAudioDecoder.dll bsp\OMAP35XX_TPS659XX_TI_V1\omap\GPIO_KEYPAD bsp\DM3730_EVK\SRC\DRIVERS\KEYPAD bsp\OMAP35XX_TPS659XX_TI_V1\omap\TLED bsp\OMAP35XX_TPS659XX_TI_V1\omap\TPS659XX\MAD

C bsp\DM3730_EVK\SRC\DRIVERS\BLOCK\ONENAND

Camera driver

Backlight driver

Battery driver bsp\DM3730_EVK\SRC\DRIVERS\CAMERA_MDC bsp\DM3730_EVK\SRC\DRIVERS\CAMERA_D bsp\DM3730_EVK\SRC\DRIVERS\BACKLIGHT bsp\DM3730_EVK\SRC\DRIVERS\BATTERY

Sleep / wake-up button driver bsp\DM3730_EVK\SRC\DRIVERS\PWRKEY

DVFS/Smart Reflex bsp\OMAP35XX_TPS659XX_TI_V1\omap\PM bsp\DM3730_EVK\SRC\DRIVERS\PM

DMA driver

RTC driver bsp\OMAP35XX_TPS659XX_TI_V1\omap35xx\DMA bsp\OMAP35XX_TPS659XX_TI_V1\omap\RTC

If the user wants to refer to more WinCE driver development, please refer to the specific reference document of the Windows Embedded CE 6.0 compilation tool,

Start->

All program->

MicroSoft Vistual Studio 2005->

MicroSoft Visual Studio Document->

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Content(C)->

Windows Embedded CE 6.0->Develop a Device Driver.

4.5 Update of system

DM3730-EVK supports boot-up from TF card and NAND; this section will respectively introduce two different system update ways.

4.5.1 Update of TF card

1) Format TF card

Please refer to contents of 3.7.1 Update of TF card system image.

2) Load kernel image file

 Position to sub-catalogue lcd_800x480, lcd_480x272 and DVI_1280x720 under catalogue wince_6/image. You can select a specific sub-catalogue according to your display device, lcd_480x272 for LCD 4.3", lcd_800x480 for LCD 7", and DVI_1280x720 for VGA.

 Copy MLO, EBOOTSD.nb0 and NK.bin image files in the selected folder to the TF card.

3) Update image file

Insert TF card and reboot the system. At this time, the system boots from TF card. The

HyperTerminal will output boot print information and display the following contents:

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Texas Instruments Windows CE SD X-Loader for EVM 3730

Built Mar 23 2011 at 08:31:15

Version 6.15.00 open ebootsd.nb0 file

Init HW: controller RST

SDHC: 1 bit mode

SDCARD: reqested speed 1000000, actual speed 1000000

Using 4 bit mode

SDHC: 4 bit mode

SDCARD: reqested speed 25000000, actual speed 24000000 read ebootsd.nb0 file jumping to ebootsd image

Microsoft Windows CE Bootloader Common Library Version 1.4 Built Mar 22 2011 18:45:08

Texas Instruments Windows CE EBOOT for Mistral OMAP EVM, Built Mar 23 2011 at

08:31:11

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EBOOT Version 1.1, BSP 6.15.00

TI DM3730 Version 0x2b89102f (unknown)

TPS659XX Version 0x10 (ES1.1)

System ready!

Preparing for download...

INFO: Predownload....

WARN: Boot config wasn't found, using defaults

INFO: SW4 boot setting: 0x2f

>>> Forcing cold boot (non-persistent registry and other data will be wiped) <<<

Hit space to enter configuration menu 1...

Init HW: controller RST

SDHC: 1 bit mode

SDCARD: reqested speed 1000000, actual speed 1000000

Using 4 bit mode

SDHC: 4 bit mode

SDCARD: reqested speed 25000000, actual speed 24000000

BL_IMAGE_TYPE_BIN

Download file information:

-----------------------------------------------------------

[0]: Address=0x80101000 Length=0x022a14e4 Save=0x80001000

-----------------------------------------------------------

Download file type: 1

(You may wait for a longer time here as the system boots from TF

card) rom_offset=0x0.

ImageStart = 0x80101000, ImageLength = 0x22A14E4, LaunchAddr = 0x8010F82C

Completed file(s):

-------------------------------------------------------------------------------

[0]: Address=0x80101000 Length=0x22A14E4 Name="" Target=RAM

ROMHDR at Address 80101044h

Launch Windows CE image by jumping to 0x8000f82c...

Windows CE Kernel for ARM (Thumb Enabled) Built on Oct 20 2009 at 18:39:19

OAL: CPU revision 0xffffffff

OAL: CPU L2 Aux register 0x400042

--- High Performance Frequecy is 32768 khz---

So far, the system has entered the calibration interface of WinCE, after finish of calibration, the system enters the desktop system of WinCE.

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4.5.2 Update of Nand flash

1) Format TF card

Please refer to contents of 3.7.1 Update the image for TF card

2) Load kernel image file

 Position to sub-catalogue lcd_800x480, lcd_480x272 and DVI_1280x720 under catalogue wince_6/image. You can select a specific sub-catalogue according to your display device, lcd_480x272 for LCD 4.3", lcd_800x480 for LCD 7", and DVI_1280x720 for VGA.

 Copy MLO, EBOOTNAND.nb0, NK.bin and XLDRNAND.nb0 image files in the selected folder to the TF card, and rename EBOOTNAND.nb0 as EBOOTSD.nb0.

3) Update image file

 Insert TF card and reboot the system. At this time, the system boots from TF card. The

HyperTerminal will output boot print information, you can press [SPACE] to enter the

EBOOT menu. There is an automatic update key [k] in the menu, which can update

XLDR, EBOOT, logo and NK images automatically, or you can update one by one according to the following steps:

 Press [5] to enter the Flash administration menu.

 Press [a], [b] and [c] to write XLDR, EBOOT and NK images respectively.

 Then press [0] to return to main menu, and respectively press [2], [4], [7] and [y] to change the boot devices.

Pull out TF card and then reboot the system. At this time, the system will boot from NAND Flash.

4.6 Instructions for use

4.6.1 How to use S-Video interface

In the WinCE operating system

1) Launch Start->Program->Command Prompt in windows ce

2) Type in the line below and enter in Command Prompt do tvout on

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4.6.2 How to use openGL ES demo

Copy C:\TI\wince_gfx_sgx_01_01_00_patch_01 \PowerVR-SDK\OGLES1.1\Binaries\Demos or

C:\WINCE600\PUBLIC\PowerVR\oak\target\Rev125\ARMV4I\retail\*.exe to DM3730-EVK wince system. And double click the demos to test.

Known problem: Some demos are unable to work normally when DVI is used as output. This problem will be solved in the next release version.

4.6.3 How to use CAM8000-A module

1) Modify the lines below in DM3730_EVK.bat set BSP_NOCAMERA= set BSP_NOCAMERA_MDC= set BSP_NODIGITALCAMERA=1

2) Rebuild solution in vs 2005 to create nk.bin

3) Connect camera8000-A module to DM3730-EVK and boot with updated nk.bin.

4) Copy C:\wince600\platform\DM3730_EVK\files\CameraDshowApp_analog.exe to target system and then launch.

Knowing issue: CAM8000-A cannot work well on DVI display mode. This problem would be solved in next release edition, so it is recommend that use the 4.3/7 inch LCD when use cam8000-a module currently.

4.6.4 How to use CAM8000-D module

1) Modify the lines below in DM3730_EVK.bat set BSP_NOCAMERA= set BSP_NOCAMERA_MDC=1 set BSP_NODIGITALCAMERA=

2) Add the line below in the file locate in C:\wince600\platform\DM3730_EVK\src\driver\dirs camera

3) Rebuild solution in vs 2005 to create nk.bin

4) Connect camera8000-D module to DM3730-EVK and boot with updated nk.bin.

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5) Copy C:\wince600\platform\DM3730_EVK\files\CameraDshowApp_digital.exe to target system and then launch.

4.7 The development of application

This chapter introduces how to develop Windows Embedded CE 6.0 application program in

DM3730-EVK.

Before development, it is necessary to install Windows Mobile 6 Professional SDK. Please refer to

Appendix VI for download path.

It is necessary to establish Windows Embedded CE 6.0 development platform in order to develop Windows Embedded CE 6.0 operating system.

The development case in this Manual is based on development of

Windows Mobile 6 Professional SDK.

4.7.1 Application program interfaces and examples

API used for development of DM3730-EVK application programs employs Microsoft Windows

Embedded CE 6.0 standard application program interface definition, DM3730-EVK only expands interface definition of GPIO based on standard API. Please refer to the CD\wince_6\app for the application program representatives that control the status of LED through GPIO pin.

Please check relative Help documents of MSDN Windows Embedded CE 6.0 API for Windows

Embedded CE 6.0 standard application program interface definition.

There are some use routines of standard API in the chapter GPIO

Application Program Development Case for reference of users. Some interfaces exported by drivers can only be used by drivers; the application programs have no permission to call them.

4.7.2 GPIO application program interfaces and examples

GPIO device name is L"GIO1:", corresponding device IOCTL code includes:

IOCTL Code Description

IOCTL_GPIO_SETBIT Set GPIO pin as 1

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IOCTL_GPIO_CLRBIT

IOCTL_GPIO_GETBIT

IOCTL_GPIO_SETMODE

IOCTL_GPIO_GETMODE

Set GPIO pin as 0

Read GPIO pin

Set the working mode of GPIO pin

Read the working mode of GPIO pin

Read the corresponding IRQ of GPIO

IOCTL_GPIO_GETIRQ pin

Operation example is showed below:

1) Open GPIO device

HANDLE hFile = CreateFile(_T( "GIO1:" ), (GENERIC_READ|GENERIC_WRITE),

(FILE_SHARE_READ|FILE_SHARE_WRITE), 0, OPEN_EXISTING, 0, 0);

2) Set read the working mode of GPIO

DWORD id = 0, mode = 0;

3) Set the working mode of GPIO:

DWORD pInBuffer[2];

pInBuffer[0] = id;

pInBuffer[1] = mode;

DeviceIoControl(hFile, IOCTL_GPIO_SETMODE, pInBuffer, sizeof(pInBuffer), NULL, 0, NULL, NULL);

4) Read the working mode of GPIO:

DeviceIoControl(hFile, IOCTL_GPIO_GETMODE, &id, sizeof(DWORD), &mode, sizeof(DWORD), NULL,

NULL);

"id" is GPIO Pin number, "mode" is GPIO mode, including:

Mode definition

GPIO_DIR_OUTPUT

GPIO_DIR_INPUT

GPIO_INT_LOW_HIGH

GPIO_INT_HIGH_LOW

GPIO_INT_LOW

GPIO_INT_HIGH

GPIO_DEBOUNCE_ENABLE

5) The operation of GPIO Pin

DWORD id = 0, pin = 0;

Description

Output mode

Input mode

Rising edge trigger mode

Falling edge trigger mode low level trigger mode high level trigger mode

Jumping trigger enable

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6) Output high level:

DeviceIoControl(hFile, IOCTL_GPIO_SETBIT, &id, sizeof(DWORD), NULL, 0, NULL, NULL);

7) Output low level:

DeviceIoControl(hFile, IOCTL_GPIO_CLRBIT, &id, sizeof(DWORD), NULL, 0, NULL, NULL);

8) Read the pin state

DeviceIoControl(hFile, IOCTL_GPIO_GETBIT, &id, sizeof(DWORD), &pin, sizeof(DWORD), NULL, NULL);

"id" is GPIO pin number, "pin" returns to pin state

9) Other optional operation

Read the corresponding IRQ number of GPIO pin

DWORD id = 0, irq = 0;

DeviceIoControl(hFile, IOCTL_GPIO_GETIRQ, &id, sizeof(DWORD), &irq, sizeof(DWORD), NULL, NULL);

"id" is GPIO pin number, "irq" returns IRQ number

10) Close GPIO device

CloseHandle(hFile);

(1) Definition of GPIO pin: 0~191 MPU Bank1~6 GPIO pin, 192~209

TPS65930 GPIO 0~17.

(2) GPIO pin 0~191 has to be configured as GPIO under xldr/platform.c and oalib/oem_pinmux.c two files.

(3) GPIO break mode can only be used by drivers; setting such mode in application programs is invalid.

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Appendix

Appendix I Hardware Dimensions

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Figure Appedix.1 Hardware Dimensions Diagram

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Appendix II The Installation Of Ubuntu

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Installing Ubuntu in Windows using VirtualBox

The screenshots in this tutorial use Ubuntu 11.04, but the same principles apply also to Ubuntu

10.10, 11.04, and any future version of Ubuntu. Actually, you can install pretty much any Linux distribution this way.

VirtualBox allows you to run an entire operating system inside another operating system. Please be aware that you should have a minimum of 512 MB of RAM. 1 GB of RAM or more is recommended.

Installation Process

1. Download software

Before installing Ubuntu, you must get VirtualBox software and Ubuntu disk image (ISO file).

Available in the VirtualBox download page VirtualBox program VirtualBox-4.0.10-72479-Win.exe.

In the Ubuntu download page to get Ubuntu disk image ubuntu-11.04-desktop-i386.iso.

2.Create New Virtual mechine

Figure Appedix 2.2.1

After you launch VirtualBox from the Windows Start menu, click on New to create a new virtual machine. When the New Virtual Machine Wizard appears, click Next.

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Figure Appedix 2.2.2

You can call the machine whenever you want. If you're installing Ubuntu, it makes sense to call it

Ubuntu, I guess. You should also specify that the operating system is Linux.

Figure Appedix 2.2.3

VirtualBox will try to guess how much of your memory (or RAM) to allocate for the virtual machine.

If you have 1 GB or less of RAM, I would advise you stick with the recommendation. If, however, you have over 1 GB, about a quarter your RAM or less should be fine. For example, if you have 2

GB of RAM, 512 MB is fine to allocate. If you have 4 GB of RAM, 1 GB is fine to allocate. If you have no idea what RAM is or how much of it you have, just go with the default.

Click Next.

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Figure Appedix 2.2.4

If this is your first time using VirtualBox (which it probably is if you need a tutorial on how to use it), then you do want to Create new hard disk and then click Next.

Click Next again.

Figure Appedix 2.2.5

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Figure Appedix 2.2.6

Theoretically, a dynamically expanding virtual hard drive is best, because it'll take up only what you actually use. I have come upon weird situations, though, when installing new software in a virtualized Ubuntu, in which the virtual hard drive just fills up instead of expanding. So I would actually recommend picking a Fixed-size storage.

Figure Appdix 2.2.7

Ubuntu's default installation is less than 8 GB. If you plan on adding software or downloading large files in your virtualized UBuntu, you should tack on some buffer.

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Figure Appedix 2.2.8

Figure Appedix 2.2.9

Click Finish and wait for the virtual hard drive to be created. This is actually just a very large file that lives inside of your Windows installation.

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Figure Appedix 2.2.10

Click Finish. the virtual hard drive is successfully created.

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3. Installing Ubuntu www.element14.com

Figure Appedix 2.3.1

Figure Appedix 2.3.2

Before Installing Ubuntu in a virtual machine, the first thing to do to make the (currently blank) virtual hard drive useful is to add the downloaded Ubuntu disk image (the .iso) boot on your virtual machine. Click on Settings and Storage. Then, under CD/DVD Device, next to Empty, you'll see a little folder icon. Click that, and you can select the Ubuntu .iso you downloaded earlier.

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Figure Appedix 2.3.3

Once you've selected it, click OK.

Then double-click your virtual machine to start it up.

Figure Appedix 2.3.4

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Click OK

Figure Appedix 2.3.5

Figure Appedix 2.3.6

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Figure Appedix 2.3.7

Select language and click Install Ubuntu.

Figure Appedix 2.3.8

There is a new option in the Ubuntu 11.04 and 10.10 installers that asks if you want to install closed source third-party software for MP3 playback and Flash, for example. I would strongly suggest

—unless you know who

Richard Stallman is

—that you check (or tick) this option.

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Click Forward.

Figure Appedix 2.3.9

Figure Appedix 2.3.10

This is the no-turning-back point. If you decide to do this, your hard drive will be repartitioned and part or all of it will be formatted. Before you click this button “Install Now” to continue, make sure you have everything backed up.

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Figure Appedix 2.3.11

While Ubuntu is preparing files to copy over for installation, it'll ask you some questions. They're self-explanatory.

Figure Appedix 2.3.12

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Figure Appedix 2.3.13

Figure Appedix 2.3.14

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Figure Appedix 2.3.15

The installation will finish (the whole thing can take anywhere between 15 minutes and an hour, depending on the speed of your computer).

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Figure Appedix 2.3.16

Afterwards, in order to use your virtualized installation (instead of continually booting the live CD), you have to change the CD/DVD Device entry to be Empty again.

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Appendix III Driver Installation Of Linux USB

Ethernet/RNDIS Gadget

1.

If you don’t install driver of Linux USB Ethernet/RNDIS Gadget, PC will find the new hardware and give you a hint on the sc reen, please select “From list or designated location”, then click

“Next”

Figure Appedix 3.1

2. Designate a path for the usb driver, and the usb driver directory is [disk\linux\tools], then click

“Next”

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Figure Appedix 3.2

3. When the following appears, select “Continue”

Figure Appedix 3.3

4. Please wait until the installation is completed

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Figure Appedix 3.4

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Appendix IV Linux Boot Disk Format

How to create a dual-partition card for DM3730-EVK to boot Linux from first partition and have root file system at second partition

Introduction

This guide is meant for those who are looking to create a dual-partition card, booting from a FAT partition that can be read by the DM3 ROM bootloader and Linux/Windows, then utilizing an ext3 partition for the Linux root file system.

Text marked with [] shows user input.

1. Determine which device the SD Card Reader is your system

Plug the SD Card into the SD Card Reader and then plug the SD Card Reader into your system.

After doing that, do the following to determine which device it is on your system.

$ [dmesg | tail]

...

[ 6854.215650] sd 7:0:0:0: [sdc] Mode Sense: 0b 00 00 08

[ 6854.215653] sd 7:0:0:0: [sdc] Assuming drive cache: write through

[ 6854.215659] sdc: sdc1

[ 6854.218079] sd 7:0:0:0: [sdc] Attached SCSI removable disk

[ 6854.218135] sd 7:0:0:0: Attached scsi generic sg2 type 0

...

In this case, it shows up as /dev/sdc (note sdc inside the square brackets above).

2. Check to see if the automounter has mounted the SD Card

Note there may be more than one partition (only one shown in the example below).

$ [df -h]

Filesystem Size Used Avail Use% Mounted on

...

/dev/sdc1 400M 94M 307M 24% /media/disk

...

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Note the "Mounted on" field in the above and use that name in the umount commands below.

3. If so, unmount it

$ [umount /media/disk]

4. Start fdisk

Be sure to choose the whole device (/dev/sdc), not a single partition (/dev/sdc1).

$ [sudo fdisk /dev/sdc]

5. Print the partition record

So you know your starting point. Make sure to write down the number of bytes on the card (in this example, 2021654528).

Command (m for help): [p]

Disk /dev/sdc: 2021 MB, 2021654528 bytes

255 heads, 63 sectors/track, 245 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sdc1 * 1 246 1974240+ c W95 FAT32 (LBA)

Partition 1 has different physical/logical endings:

phys=(244, 254, 63) logical=(245, 200, 19)

6. Delete any partitions that are there already

Command (m for help): [d]

Selected partition 1

7. Set the Geometry of the SD Card

If the print out above does not show 255 heads, 63 sectors/track, then do the following expert mode steps to redo the SD Card:

1). Go into expert mode.

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Command (m for help): [x]

2). Set the number of heads to 255.

Expert Command (m for help): [h]

Number of heads (1-256, default xxx): [255]

3)Set the number of sectors to 63.

Expert Command (m for help): [s]

Number of sectors (1-63, default xxx): [63]

4)Now Calculate the number of Cylinders for your SD Card.

#cylinders = FLOOR (the number of Bytes on the SD Card (from above) / 255 / 63 / 512 )

So for this example: 2021654528 / 255 / 63 / 512 = 245.79. So we use 245 (i.e. truncate, don't round).

5)Set the number of cylinders to the number calculated.

Expert Command (m for help): [c]

Number of cylinders (1-256, default xxx): [enter the number you calculated]

6)Return to Normal mode.

Expert Command (m for help): [r]

8. Print the partition record to check your work

Command (m for help): [p]

Disk /dev/sdc: 2021 MB, 2021654528 bytes

255 heads, 63 sectors/track, 245 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

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9. Create the FAT32 partition for booting and transferring files from Windows

Command (m for help): [n]

Command action

e extended

p primary partition (1-4)

[p]

Partition number (1-4): [1]

First cylinder (1-245, default 1): [(press Enter)]

Using default value 1

Last cylinder or +size or +sizeM or +sizeK (1-245, default 245): [+5]

Command (m for help): [t]

Selected partition 1

Hex code (type L to list codes): [c]

Changed system type of partition 1 to c (W95 FAT32 (LBA))

10. Mark it as bootable

Command (m for help): [a]

Partition number (1-4): [1]

11. Create the Linux partition for the root file system

Command (m for help): [n]

Command action

e extended

p primary partition (1-4)

[p]

Partition number (1-4): [2]

First cylinder (52-245, default 52): [(press Enter)]

Using default value 52

Last cylinder or +size or +sizeM or +sizeK (52-245, default 245): [(press Enter)]

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Using default value 245

12. Print to Check Your Work

Command (m for help): [p]

Disk /dev/sdc: 2021 MB, 2021654528 bytes

255 heads, 63 sectors/track, 245 cylinders

Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System

/dev/sdc1 * 1 51 409626 c W95 FAT32 (LBA)

/dev/sdc2 52 245 1558305 83 Linux

13. Save the new partition records on the SD Card

This is an important step. All the work up to now has been temporary.

Command (m for help): [w]

The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: Re-reading the partition table failed with error 16: Device or resource busy.

The kernel still uses the old table.

The new table will be used at the next reboot.

WARNING: If you have created or modified any DOS 6.x partitions, please see the fdisk manual page for additional information.

Syncing disks.

14. Format the partitions

The two partitions are given the volume names LABEL1 and LABEL2 by these commands. You

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can substitute your own volume labels.

$ [sudo mkfs.msdos -F 32 /dev/sdc1 -n LABEL1] mkfs.msdos 2.11 (12 Mar 2005)

$ [sudo mkfs.ext3 -L LABEL2 /dev/sdc2] mke2fs 1.40-WIP (14-Nov-2006)

Filesystem label=

OS type: Linux

Block size=4096 (log=2)

Fragment size=4096 (log=2)

195072 inodes, 389576 blocks

19478 blocks (5.00%) reserved for the super user

First data block=0

Maximum filesystem blocks=402653184

12 block groups

32768 blocks per group, 32768 fragments per group

16256 inodes per group

Superblock backups stored on blocks:

32768, 98304, 163840, 229376, 294912

Writing inode tables: done

Creating journal (8192 blocks): done

Writing superblocks and filesystem accounting information:

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Notes: After formatting and dividing into FAT and EXT3 under ubuntu system, the FAT needs reformatting under windows system, otherwise, start-up with SD card can be realized.

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Appendix V The Setup Of TFTP Server

1. Install client

$>sudo apt-get install tftp-hpa

$>sudo apt-get install tftpd-hpa

2. Install inet

$>sudo apt-get install xinetd

$>sudo apt-get install netkit-inetd

3. Configure the server

First, create tftpboot under root directory, and set the properties as “a random user can write and read”

$>cd /

$>sudo mkdir tftpboot

$>sudo chmod 777 tftpboot

Secondly, add in /etc/inetd.conf:

$>sudo vi /etc/inetd.conf //copy the follow word to this file tftpd dgram udp wait root /usr/sbin/in.tftpd /usr/sbin/in.tftpd -s /tftpboot

Then, reload inetd process:

$>sudo /etc/init.d/inetd reload

Finally, enter directory /etc/xinetd.d/, and create a new file tftp and put the designated content into file tftp:

$>cd /etc/xinetd.d/

$>sudo touch tftp

$>sudo vi tftp ////copy the follow word to tftp file service tftp

{

disable = no

socket_type = dgram

protocol = udp

wait = yes

user = root

server = /usr/sbin/in.tftpd

server_args = -s /tftpboot -c

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4. Reboot the server:

$>sudo /etc/init.d/xinetd restart

$>sudo in.tftpd -l /tftpboot

}

per_source = 11

cps = 100 2

5. Test the server

Conduct a test; create a file under folder /tftpboot

$>touch abc

Enter into another folder

$>tftp 192.168.1.15 (192.168.1.15was the server IP)

$>tftp> get abc

That download can be made means the server has been installed.

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Appendix VI WinCE Source

1. Visual Studio 2005 SP1 Update for Vista (if applicable) http://download.microsoft.com/download/c/7/d/c7d9b927-f4e6-4ab2-8399-79a2d5cdfac9/VS80sp

1-KB932232-X86-ENU.exe

2. Windows Embedded CE 6.0 Platform Builder Service Pack 1 http://www.microsoft.com/downloads/details.aspx?familyid=BF0DC0E3-8575-4860-A8E3-290ADF

242678&displaylang=en

3. Windows Embedded CE 6.0 R2 http://www.microsoft.com/downloads/details.aspx?FamilyID=f41fc7c1-f0f4-4fd6-9366-b61e0ab59

565&displaylang=en

4. Windows Embedded CE 6.0 R3 http://download.microsoft.com/download/F/5/2/F5296720-250A-4055-991C-0CEA5DE11436/CE6

R3.iso

5. WinCEPB60-091231-Product-Update-Rollup-Armv4I.msi http://download.microsoft.com/download/E/D/7/ED779010-1B2E-4ACA-BF9F-9F1D0EF8052B/Wi nCEPB60-091231-Product-Update-Rollup-Armv4I.msi

6. Viewers for Windows Embedded CE 6.0 R3 http://download.microsoft.com/download/3/3/8/3383B6CE-F70A-4A2C-873A-8C67D3CF55F6/We sttekFileViewers6.exe

7. Windows Mobile 6 Professional SDK Refresh.msi http://download.microsoft.com/download/f/2/3/f232f773-7edc-4300-be07-d3b76a5b3a91/Windows

%20Mobile%206%20Professional%20SDK%20Refresh.msi

8. Windows Embedded CE 6.0 USB Camera Driver.msi http://download.microsoft.com/download/f/a/1/fa1aaef1-6ae3-4cf3-ab95-b01d3e428403/Windows

%20Embedded%20CE%206.0%20USB%20Camera%20Driver.msi

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Customer Service & Technical support

Customer Service

Please contact Premier Farnell local sales and customer services staffs for the help.

Website: http://www.farnell.com/

Technical Support

Please contact Premier Farnell local technical support team for any technical issues through the telephone, live chat & mail, or post your questions on the below micro site, we will reply to you as soon as possible.

Centralized technical support mail box: knode_tech @element14.com

Community: http://www.element14.com/community/community/knode/dev_platforms_kits

Please visit the below micro site to download the latest documents and resources code: http://www.element14.com/community/community/new_technology/at91sam9g45-evk

Notes

This bo ard was designed by element14’s design partner- Embest, you can contact them to get the technical support as well.

Marketing Department:

Tel: +86-755-25635656 / 25636285

Fax: +86-755-25616057

E-mail: [email protected]

Technical Support:

Tel: +86-755-25503401

E-mail: [email protected]

URL: http://www.armkits.com

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