main.c

ARM嵌入式串口通信编程实例 pc机与arm的串口通信

#include "garfield.h"

extern print(char *string);
extern ReadC(void);

int PRINT(char *string)
{
   #ifndef USB_ICE
   printf(string);
   #else
   print(string);
   #endif
   return 0;
}


void main(void)
{ 
	char *s;
	int flag=0;
	STATUS status;
	
	s="error in moudle Uart\n";
	
	status = ModuleUart();
	if(status != E_OK) PRINT(s);
	//printf("error in moudle Uart\n");//E_OK is the error code in normal completion
	//是一个全局的返回值(0),作为一个判断各个实验的入口
}