alarm_send.c

这是监视器行业常见的键盘与球机通讯协议的C语言源代码

#include "config.h"

unsigned char send_buf1[] = {0xfa,0x00,0xff,0xaf};
unsigned char send_buf2[] = {0xfa,0x01,0x00,0xaf};

unsigned char tmp1;
//bit ti_fg;

extern void send_comm(unsigned char * str,unsigned char count)
{
	unsigned char i;
	DR = 1;
	for (i = 0;i < count;i++)
	{
		SIGNAL = 0;
		delay_xms(50);
		SBUF = str[i];
		while (ti_fg == 0);
		ti_fg = 0;
	}
	DR = 0;
}

unsigned char protocol_select()
{
	tmp1 = 0;
	PRO_HI = 1;
	_nop_();
	_nop_();
	_nop_();
	if (PRO_HI)
		tmp1 = 0;
	else
		tmp1 = 2;

	PRO_LO = 1;
	_nop_();
	_nop_();
	_nop_();
	if (!PRO_LO) tmp1 ++;
	
	if (tmp1 == 0x03)
		test_fg = 1;

	return tmp1;
	
}

extern void send_alarm_comm1(void)
{
	send_comm(send_buf1,4);
}

extern void send_alarm_comm2(void)
{
	send_buf2[2] = protocol_select();
	send_comm(send_buf2,4);
}