SAMSUNG s3c2440 ARM LINUX Development Board Experience-development environment building

1,linux Development Environment Construction

2, program test

Easyopentag driver installation, open connection, select Arm-linux

Links: http://pan.baidu.com/s/1pJKK4w7 Password: a0re

1, Environment construction

My system version [Email protected]:~# lsb_release -ano lsb modules are available. distributor id:ubuntudescription:ubuntu 14.04.3 ltsrelease:14.04codename:trusty[email  protected]:~#  I use the mirros[email protected]:~# cat /etc/apt/sources.listdeb http:// mirrors.zju.edu.cn/ubuntu trusty main universe restricted multiversedeb http:// Mirrors.zju.edu.cn/ubuntu trusty-security main universe restricted multiversedeb  http://mirrors.zju.edu.cn/ubuntu trusty-updates main universe restricted  multiversedeb http://mirrors.zju.edu.cn/ubuntu trusty-backports main universe  Restricted multiversedeb-src http://mirrors.zju.edu.cn/ubuntu trusty main universe  restricted multiversedeb-src http://mirrors.zju.edu.cn/ubuntu trusty-security main  universe restricted multiversedeb-src http://mirrors.zju.edu.cn/ubuntu trusty-updates main universe restricted  multiversedeb-src http://mirrors.zju.edu.cn/ubuntu trusty-backports main universe  Restricted multiverse Installing the basic Development Kit [email protected]:~# apt-get update &&  apt-get install -y  build-essential bison flex manpages-dev[email  Protected]:~# echo $?0 Installation  ARM-LINUX-GCC Decompression  arm-linux-gcc-3.4.5-glibc-2.3.6.tar.bz2  From Vedon teaching CD  tar xf arm-linux-gcc-3.4.5-glibc-2.3.6.tar.bz2    installation  sudo  apt-get install lsb-core   otherwise may appear no such file or directory[email  protected]:~/leds# arm-linux-objcopy bash: /home/chunli/gcc-3.4.5-glibc-2.3.6/bin/ arm-linux-objcopy: no such file or directory  Changing the system path[email protected]:~$  sudo vim /home/chunli/.bashrcExport path= $PATH::/home/chunli/gcc-3.4.5-glibc-2.3.6/bin/look at my system    build environment [email protected ]:~$ arm-linux-gcc -vreading specs from /home/chunli/gcc-3.4.5-glibc-2.3.6/bin/. /lib/gcc/arm-linux/3.4.5/specsconfigured with: /work/tools/create_crosstools/crosstool-0.43/build/ Arm-linux/gcc-3.4.5-glibc-2.3.6/gcc-3.4.5/configure --target=arm-linux --host=i686-host_pc-linux-gnu  --prefix=/work/tools/gcc-3.4.5-glibc-2.3.6 --with-float=soft --with-headers=/work/tools/ Gcc-3.4.5-glibc-2.3.6/arm-linux/include --with-local-prefix=/work/tools/gcc-3.4.5-glibc-2.3.6/arm-linux  --disable-nls --enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit -- enable-languages=c,c++ --enable-shared --enable-c99 --enable-long-longthread model:  posixgcc version 3.4.5[email protected]:~$

Write a program that lights up the LEDs:

Write a compilation applet that illuminates the JZ2440 Development Board

JZ2440 Development Board:

As can be seen from the Jz2440v2_sch.pdf

Nled_2 Pull up to 3.3V

Nled_2 Another foot is connected to GPF5 on this IO function pin

Official Handbook of s3c2440

The address of the Gpfcon is 0x56000050, and the value of this register is set to 0x00000400 configuration GPF5 this pin is output

The address of the Gpfdat is 0x56000054 control GPF5 output Low level

[Email protected]:~/hardware$ mkdir my[email protected]:~/hardware$ cd my/[email  protected]:~/hardware/my$ vim led_on. s@******************************************************************************@ file:led_on. s@  function: LED lighting program, light led1@******************************************************************************                    . text.global _start_start:                  ldr     r0,=0x56000050      @ The  R0 is set to the Gpbcon register. This register is used to select the functions of each pin: output, input, or other             MOV      R1, #0x00000400       @  set as output pin                str     R1,[R0]              @  set GPF5 to output,  bit [10:9]=0b01            The  LDR     R0,=0X56000054      @ R0 is set to the Gpbdat register. This register is used for read/write port B pin data             MOV      R1, #0x00000000       @  Change this value to 0xffffffff,  to make LED2 off              STR     R1,[R0]              @ GPB5 output 0,led1 lit main_loop:             B        main_loop Writing makefile Files [email protected]:~/hardware/my$ vim makefileled_on.bin :  led_on. Sarm-linux-gcc -g -c -o led_on.o led_on. sarm-linux-ld -ttext 0x0000000 -g led_on.o -o led_on_elfarm-linux-objcopy - O binary -s led_on_elf led_on.binclean:rm -f   led_on.bin led_on_ ELF *.O compilation [Email protected]:~/hardware/my$ makearm-linux-gcc -g -c -o led_ on.o led_on. sarm-linux-ld -ttext 0x0000000 -g led_on.o -o led_on_elfarm-linux-objcopy - O binary -s led_on_elf led_on.bin No error [email protected]:~/hardware/my$ echo  $?0[email protected]:~/hardware/my$ ll-rwxrwxr-x  1 chunli chunli     36 apr 12 22:20 led_on.bin*-rwxrwxr-x  1 chunli chunli  34144 Apr 12 22:20 led_on_elf*-rw-rw-r--  1 chunli chunli   1412 apr 12 22:20 led_on.o-rw-rw-r--  1 chunli chunli  1035 apr 12 22:19 led_on. s-rw-rw-r--  1 chunli chunli   218 apr 12 22:20  Makefile

Upload the Led_on.bin program to the Windows platform,

FTD2XX.dll

Oflash.exe

Led_on.bin

Put it together and you can

Run Oflash.exe applet,d:\arm  embedded linux\my>oflash.exe+-------------------------------------------------------- -+|   flash programmer v1.3 for openjtag of www.100ask.net   | |    OpenJTAG is a USB to JTAG & RS232 tool  based ft2232   | |    this programmer supports both of s3c24x0 & s3c6410     | | &NBSP;&NBSP;&NBSP;AUTHOR:&NBSP;EMAIL/MSN ([email protected]), &NBSP;QQ (17653039)   |+------------- --------------------------------------------+usage:1. oflash, run with cfg.txt or  prompt2. oflash [file], write [file] to flash with prompt3.  oflash [-f config_file]4. oflash [jtag_type] [cpu_type] [flash_type]  [Read_or_write] [offset] [file]can ' T open cfg.txt, you should follow the promptselect the jtag type:0.  Openjtag1. dongle jtag (Parallel port) 2. wiggler jtag (parallel port) Enter  The number: 0select the cpu:0. s3c24101. s3c24402. s3c6410enter the  number: 1device: 4  "2232C" deviceid: 0x14575118serialnumber:  ftsht3gzadescription: usb<=>jtag&rs232 as3c2440 detected, cpuid =  0x0032409d[main menu] 0:nand flash prog     1:nor flash  prog   2:Memory Rd/Wr     3:ExitSelect the  function to test:0enter the file name:  led_on.bin[nand flash  Jtag programmer]scan nand flash:device 0: nand 256mib 3,3v 8-bit,  sector size 128 kibtotal size: 256 mib 0:nand flash program      1:nand flash print  blkpage   2:exitselect the function to test :0[nand flash  writing program]source size: 0x24available target block number: 0~ 2047input target block number:0target start block number      =0target size         (0x20000*1)  =0x20000status:epd:\ arm  embedded linux\my>, etc. 5 seconds, the Development Board of the small lamp lit up

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SAMSUNG s3c2440 ARM LINUX Development Board Experience-development environment building