STM32CAN收发实验源码

ID:710218 · 发表于 2020-3-18 16:10

#include "led.h"
#include "delay.h"
#include "key.h"
#include "sys.h"
#include "lcd.h"
#include "usart.h"
#include "can.h"

int main(void)
{
u8 key;
u8 i=0,t=0;
u8 cnt=0;
u8 canbuf[8];
u8 res;
u8 mode=CAN_Mode_LoopBack

delay_init();
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2)
uart_init(115200);
LED_Init();
LCD_Init();
KEY_Init();

CAN_Mode_Init(CAN_SJW_1tq,CAN_BS2_8tq,CAN_BS1_9tq,4,CAN_Mode_LoopBack)

POINT_COLOR=RED
LCD_ShowString(60,50,200,16,16,"WarShip STM32");
LCD_ShowString(60,70,200,16,16,"CAN TEST");
LCD_ShowString(60,90,200,16,16,"ATOM@ALIENTEK");
LCD_ShowString(60,110,200,16,16,"2015/1/15");
LCD_ShowString(60,130,200,16,16,"LoopBack Mode");
LCD_ShowString(60,150,200,16,16,"KEY0:Send WK_UP:Mode")
POINT_COLOR=BLUE
LCD_ShowString(60,170,200,16,16,"Count:");
LCD_ShowString(60,190,200,16,16,"Send Data:");
LCD_ShowString(60,250,200,16,16,"Receive Data:");
while(1)
{
key=KEY_Scan(0);
if(key==KEY0_PRES)//KEY0°′ÏÂ,·￠Ëíò»′Îêy¾Y
{
for(i=0;i<8;i++)
{
canbuf[i]=cnt+i;
if(i<4)LCD_ShowxNum(60+i*32,210,canbuf[i],3,16,0X80);
else LCD_ShowxNum(60+(i-4)*32,230,canbuf[i],3,16,0X80);
}
res=Can_Send_Msg(canbuf,8);
if(res)LCD_ShowString(60+80,190,200,16,16,"Failed");
else LCD_ShowString(60+80,190,200,16,16,"OK ");
}else if(key==WKUP_PRES
{
mode=!mode;
    CAN_Mode_Init(CAN_SJW_1tq,CAN_BS2_8tq,CAN_BS1_9tq,4,mode)
POINT_COLOR=RE
if(mode==0
{
LCD_ShowString(60,130,200,16,16,"Nnormal Mode ");
}els
{
LCD_ShowString(60,130,200,16,16,"LoopBack Mode");
}
POINT_COLOR=BLUE
}
key=Can_Receive_Msg(canbuf);
if(key
{
LCD_Fill(60,270,130,310,WHITE)
for(i=0;i<key;i++)
{
if(i<4)LCD_ShowxNum(60+i*32,270,canbuf[i],3,16,0X80);
else LCD_ShowxNum(60+(i-4)*32,290,canbuf[i],3,16,0X80);
}
}
t++;
delay_ms(10);
if(t==20)
{
LED0=!LED0;
t=0;
cnt++;
LCD_ShowxNum(60+48,170,cnt,3,16,0X80);
}
}
}

帐号		自动登录	找回密码
密码			立即注册