?? mul_can_t.c
字號(hào):
////////多消息can發(fā)送程序//////////
///////mul_can_t.c/////////////////
#include "candeal1.h"
#define LEN 8
void canini(){
clear_msg_objects();
init_msg_object_RX (0x04,1);//初始化發(fā)送
init_msg_object_TX (0x02,2);
init_msg_object_TX (0x03,4);
EIE2 |= 0x20;
EA = 1;
SFRPAGE = CAN0_PAGE;
CAN0CN=0X41;
CAN0ADR=BITREG;
CAN0DAT=0X34c0;//調(diào)波特率
start_CAN();
}
void delay1ms(uint time){//延遲1ms*time,這不是一個(gè)精確值
uint i;
uint j;
for (i=0;i<time;i++){
for(j=0;j<300;j++);
}
}
void config(){
//看門狗禁止
WDTCN = 0x07;
WDTCN = 0xDE;
WDTCN = 0xAD;
SFRPAGE = 0x0F;
//交叉開(kāi)關(guān)使能,但沒(méi)有進(jìn)行外圍設(shè)備配置
XBR0 = 0x00;
XBR1 = 0x00;
XBR2 = 0x40;
XBR3 = 0x00;
//管腳輸出配置,P0口為開(kāi)漏輸出,其中P0.6接上拉電阻,P0為數(shù)字輸入口
SFRPAGE = 0x0F;
P0MDOUT = 0x00;
P1MDIN = 0xFF;
//晶振配置,采用內(nèi)部晶振8分頻
SFRPAGE = 0x0F;
CLKSEL = 0x00;
OSCXCN = 0x00;
OSCICN = 0x84;
}
main(){
xdata uchar ss1[8]={0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18};
xdata uchar ss2[8]={0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28};
config();
canini();
transmit(2,ss1,LEN);
transmit(3,ss2,LEN);
while(1);
}
void ISRname (void) interrupt 19
{ temppage=SFRPAGE;
SFRPAGE = CAN0_PAGE;
status = CAN0STA;
if ((status&0x10) != 0){
CAN0STA&=0xef;
// receive_data (0x04);
}
SFRPAGE=temppage;
}
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