DevKit8500D/A User Manual - DMCS Pages for Students

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