并行通信 ver.10pins ×（8data 1slk 1flag）

[c]代码库

#include ****

//sbit

sbit DataBus = P1;
sbit ready = P0^3;
sbit succeed = P0^5; 
typedef unsigned char uchar;
typedef unsigned int uint;

//var

bit flag;
uchar recievedArray [10];
uchar sendingArray []={0x10,0x20,0x30,0x40,0x50,0x60,0x70,0x80,0x90,0xa0};
//declare
void paradel_init();
uint sentChar(uchar dat);
bit readyOn();
uchar recieveChar();
bit checkHas();
bit sentArray (uchar array[]);

//main
int main(){
	paradel_init();
	flag = readyOn();
	while(flag){
		while(recieveChar() != '\0');
		if(checkHas){
			sentArray (sendingArray);

		}		
	
	}


return 0;
}

//functions
void paradel_init(){
   ready = 0;
   succeed = 0;

}
uint sentChar(uchar dat){
	
	if(ready = 1){

	DataBus = dat;
	while (!succeed);
	
	ready = 0;
	return 1;
	}
	return 0;
}

bit readyOn(){
	return 1;
}
uchar recieveChar(){
	uchar content;
	if(ready){
		content = DataBus;
		while(ready)
		succeed = 1;
	}
		succeed = 0;

	return content;
}

bit sentArray (uchar array[]){
uint s;
uint count = 0;
	for( s = 0; s<sizeof(array); array++){
		count += sentChar(array[s]);
		if(count == sizeof(array)-1) return 1;
	}
	return 0;
}
bit checkHas(){
	if(sendingArray[0]!='\0'){
	return 1;
	}
	return 0;
}