main.c

用TMS320C6204控制LED源代码. 利用CCS3.1

#include "regs.h"

void udelay(unsigned int usec)
{
	volatile int i,a,c,delay;
	delay = 10;
	for (i=0;i<usec;i++) {
		c = delay;
		while (--c > 0) {
			a = 1 + 1;
		}
	}
}


#define ADDR_LCD		(0x01620000 + (7<<5))
void LCD_BLcontrol(unsigned char status)
{
	*(volatile unsigned char*)ADDR_LCD = (status?0:4); 
	udelay(1);
}




#define ADDR_LED_PCK		(0x01620000 + (6<<5))
#define ADDR_LED_SDO		(0x01680000 + (5<<5))

#define LED_PR	(1<<0)		//版/秦
#define LED_CS	(1<<1)		//犁/何
#define LED_IO	(1<<2)		//免/硼
#define LED_GR	(1<<3)		//寇/汗
#define LED_CY	(1<<4)		//烹脚-炔祸
#define LED_CR	(1<<5)		//烹脚-利祸
#define LED_ZN	(1<<6)		//粮
#define LED_KY	(1<<7)		//扒馆

unsigned char LED_STATUS;

void LED_PCK_out(void)
{
	*(volatile unsigned char*)ADDR_LED_PCK = 4; 
	udelay(1);
	*(volatile unsigned char*)ADDR_LED_PCK = 0; 
}
void LED_SDO_out(unsigned int bit)
{
	*(volatile unsigned char*)ADDR_LED_SDO = (bit?8:0); 
}
void LED_control(unsigned char led, unsigned char status)
{
    int i=0;
	if (led == LED_KY)
		status ? (LED_STATUS |= led):(LED_STATUS &= ~led);
	else
		status ? (LED_STATUS &= ~led):(LED_STATUS |= led);
	
	for (i=7;i>=0;i--){
		LED_SDO_out((LED_STATUS>>i)&0x01);
		LED_PCK_out();
	}
}
void LED_init()
{
    int i=0;
	LED_STATUS = 0x7f; //all led off
	for (i=7;i>=0;i--){
		LED_SDO_out((LED_STATUS>>i)&0x01);
		LED_PCK_out();
	}
}
void main(void)
{
    int i=0;
    
    *(int*)EMIF_CE1 = 0xfff00800;//0xffffbf03;//0x43F40F03;     // CE1 NOR Flash 8-bit

	LED_init();

	LED_control(LED_CR,1);//烹脚 利祸难扁
	LED_control(LED_CR,0);//烹脚 利祸掺扁
	LED_control(LED_CY,1);//烹脚 炔祸难扁
	LED_control(LED_CY,0);//烹脚 炔祸掺扁
	LED_control(LED_ZN,1);//粮 难扁
	LED_control(LED_ZN,0);//粮 掺扁

	LED_control(LED_KY,1);//扒馆 难扁
	LED_control(LED_CY,0);//扒馆 掺扁


	LCD_BLcontrol(0);
	LCD_BLcontrol(1);
	LCD_BLcontrol(0);
	LCD_BLcontrol(1);
}