led2.zip_嵌入式流水灯

//#include <stdlib.h> //#include <string.h> //#include "def.h" //#include "option.h" #include "2440addr.h" #include "2440lib.h" #include "2440slib.h" //#include "mmu.h" //#include "profile.h" //#include "memtest.h" #define LED1_ON ~(1<<5) #define LED2_ON ~(1<<6) #define LED3_ON ~(1<<7) #define LED4_ON ~(1<<8) #define LED1_OFF (1<<5) #define LED2_OFF (1<<6) #define LED3_OFF (1<<7) #define LED4_OFF (1<<8) /************************************************* Function name: delay Parameter : times Description : 延时函数 Return : void Argument : void Autor & date : **************************************************/ void delay(int times) { int i; for(;times>0;times--) for(i=0;i<400;i++); } /************************************************* Function name: Main Parameter : void Description : 主功能函数 Return : void Argument : void Autor & date : **************************************************/ int main(int argc, char **argv) { /*设置GPB5-GPB8为输出端口*/ rGPBCON &= ~((3<<10)|(3<<12)|(3<<14)|(3<<16)); rGPBCON |= (1<<10)|(1<<12)|(1<<14)|(1<<16); // rGPBUP|=0x1E0; //disable GPF pull up while(1) { rGPBDAT=(0x0e<<5); delay(100000); rGPBDAT=(0x0d<<5); delay(100000); rGPBDAT=(0x0b<<5); delay(100000); rGPBDAT=(0x07<<5); delay(100000); /* 全亮 */ rGPBDAT =(0x00<<5); delay(100000); /* 全灭 */ rGPBDAT =(0x0f<<5); delay(100000); } return 0; }