/*********************************************
** 功能描述: CAN口測試，11位標準標識符**
*********************************************/
#include "p30f6014.h"
int failmemory[40];

unsigned int buffer1;
unsigned int buffer2;
unsigned int buffer3;
unsigned int buffer4;
unsigned long int i = 0;

void initial()
{
    C1CTRLbits.REQOP = 0x4; //請求進入配置模式
    while (C1CTRLbits.OPMODE!=0x4){}  //確認進入配置模式
    C1TX0CON = 0x0003;      //發送0郵箱配置,高優先級
    C1TX0SID = 0x0020;      //發送0標準標識符，11位
    C1TX0DLC = 0x01c0;      //發送0數據長度，8字節
    C1RX0CON = 0x0000;      //接收0郵箱配置
    C1RX0DLC = 0x0008;      //接收0數據長度，8字節
    C1RXF0SID = 0x0020;     //接收濾波器0標準標識符，11位
    C1RXM0SID = 0xffff;     //接收屏蔽0標準標識符 
    C1CFG1 = 0x00ff;        //波特率配置
    C1CFG2 = 0x07ff;
    C1CTRLbits.REQOP = 0x02; //請求進入自測試模式
    while (C1CTRLbits.OPMODE!=0x02){}  //確認進入自測試模式
	return;
}    

int main()
{
	INTCON1=0x0000;	
	INTCON2=0x0000;	   //關閉所有中斷 	
    initial();
	while(1)
	{
        C1TX0B1 = 0x5555;  //發送緩沖寄存器8字節
        C1TX0B2 = 0x5555;
        C1TX0B3 = 0x5555;
        C1TX0B4 = 0x5501;
        C1TX0CONbits.TXREQ = 1; //啟動發送
        while (C1TX0CONbits.TXREQ==1){} //等待發送完成
        if (C1RX0CONbits.RXFUL == 1)
		{
			buffer1 = C1RX0B1;
        	buffer2 = C1RX0B2; 
        	buffer3 = C1RX0B3; 
        	buffer4 = C1RX0B4;
            C1RX0CONbits.RXFUL = 0;
    	}
	}
}