www.pudn.com > armexamples.rar > main.c

/* 包含文件 */ 
#include "spi_cmd.h" 
#include "mcp2510.h" 
#include "def.h" 
#include "2410lib.h" 
#include "option.h" 
#include "2410addr.h" 
#include "interrupt.h" 
 
void LedOn() 
{ 
	rGPGDAT &= ~0x100; 
} 
 
 
void LedOff() 
{ 
	rGPGDAT |= 0x100; 
} 
 
/* 初始化后，从这里开始执行C代码 */ 
int Main( void ) 
{	 
	int idType, datalen; 
	unsigned int id; 
	char data[9]; 
	char tmp[]="abcdefgh"; 
	 
	/* 配置系统时钟 */ 
    ChangeClockDivider(1,1);          // 1:2:4     
    ChangeMPllValue(0xa1,0x3,0x1);    // FCLK=202.8MHz   
     
    /* 初始化端口 */ 
    Port_Init(); 
     
    /* 初始化串口 */ 
    Uart_Init(0,115200); 
    Uart_Select(0); 
     
    /* 打印提示信息 */ 
	PRINTF("\n---can总线测试程序---\n"); 
	PRINTF("\n请将UART0与PC串口进行连接，然后启动超级终端程序(115200, 8, N, 1)\n"); 
 
	MCP2510_Init(); 
	 
	datalen = 0; 
	id = 0; 
	idType = 0; 
	 
	 
	while(1) 
	{	 
		MCP2510_Init(); 
		 
		PRINTF("Can Test ...\n"); 
	   	LedOn(); 
    	Delay(5000); 
		MCP2510_TX( TXBUF0, STANDID, 23, 8, tmp ); 
    	LedOff(); 
    	Delay(5000);    	 
	} 
	 
	//MCP2510_TX( TXBUF0, STANDID, 23, 8, tmp ); 
	//MCP2510_TX( TXBUF1, STANDID, 23, 8, tmp ); 
	//MCP2510_TX( TXBUF2, STANDID, 23, 8, tmp ); 
	 
	while(1) 
	{ 
		MCP2510_RX( RXBUF0, &idType, &id, &datalen, data ); 
		 
		if((datalen!=8)||(id!=23)||(idType!=STANDID)) 
		{ 
			// Error 
			while(1); 
		} 
		 
		for( datalen = 0; datalen < 8; datalen++) 
		{ 
			if(tmp[datalen]!=data[datalen]) 
			{ 
				while(1); 
			} 
		} 
	} 
	 
	while(1); 
	 
	return 0; 
}