STM32 CAN總線溫度采集系統(tǒng)（點(diǎn)對(duì)點(diǎn)）源程序

ID:320890 · 發(fā)表于 2018-5-2 23:26

STM32 CAN總線測(cè)試程序本程序分主機(jī)程序和從機(jī)程序硬件平臺(tái)是本人自己設(shè)計(jì)的開(kāi)發(fā)板經(jīng)測(cè)試程序運(yùn)行穩(wěn)定

單片機(jī)源程序如下:

#include "led.h"
#include "delay.h"
#include "key.h"
#include "sys.h"
#include "lcd.h"
#include "usart.h"
#include "can.h"
#include "ds18b20.h"
int main(void)
{
u8 i=0,t=0;
u8 canbuf1[8];
u8 canbuf0[8];
u8 temp;
u8 res;
short temperature;
NVIC_Configuration(); //設(shè)置NVIC中斷分組2:2位搶占優(yōu)先級(jí)，2位響應(yīng)優(yōu)先級(jí)
KEY_Init(); //按鍵初始化
CAN_Mode_Init(CAN_SJW_1tq,CAN_BS2_1tq,CAN_BS1_6tq,9,CAN_Mode_Normal);//CAN初始化環(huán)回模式,波特率500Kbps 原來(lái)的 CAN_Mode_Normal
delay_init(); //延時(shí)函數(shù)初始化
uart_init(9600); //串口初始化為9600
LED_Init(); //初始化與LED連接的硬件接口
LCD_Init();
POINT_COLOR=RED;//設(shè)置字體為紅色
LCD_ShowString(60,50,200,16,16,"Mini STM32");
LCD_ShowString(60,70,200,16,16,"DS18B20+CAN TEST");
LCD_ShowString(60,90,200,16,16,"ATOM@ALIENTEK");
LCD_ShowString(60,110,200,16,16,"2016/6/6");
LCD_ShowString(60,130,200,16,16,"LoopBack Mode");
LCD_ShowString(60,190,200,16,16,"Send Data:");
while(DS18B20_Init()) //DS18B20初始化
{
LCD_ShowString(60,130,200,16,16,"DS18B20 Error");
delay_ms(200);
LCD_Fill(60,130,239,130+16,WHITE);
delay_ms(200);
}
LCD_ShowString(60,130,200,16,16,"DS18B20 OK");
POINT_COLOR=BLUE;//設(shè)置字體為藍(lán)色
LCD_ShowString(60,150,200,16,16,"Temp: . C");
while(1)
{
if(t%10==0)//每100ms讀取一次
{
temperature=DS18B20_Get_Temp();
if(temperature<0)
{
LCD_ShowChar(60+40,150,'-',16,0); //顯示負(fù)號(hào)
temperature=-temperature; //轉(zhuǎn)為正數(shù)
}else LCD_ShowChar(60+40,150,' ',16,0); //去掉負(fù)號(hào)
LCD_ShowNum(60+40+8,150,temperature/10,2,16); //顯示正數(shù)部分
LCD_ShowNum(60+40+32,150,temperature%10,1,16); //顯示小數(shù)部分
temp=temperature;
for(i=0;i<8;i++)
canbuf0[i]=temp; //溫度賦值并發(fā)送到主機(jī)
Can_Send_Msg(canbuf0,8);//發(fā)送8個(gè)字節(jié)
temp=temperature>>8;
for(i=0;i<8;i++)
canbuf1[i]=(temp); //溫度賦值并發(fā)送到主機(jī)
Can_Send_Msg(canbuf1,8);//發(fā)送8個(gè)字節(jié)
// if(res)LCD_ShowString(60+80,190,200,16,16,"Failed"); //提示發(fā)送失敗
// else LCD_ShowString(60+80,190,200,16,16,"OK "); //提示發(fā)送成功
}
delay_ms(10);
t++;
if(t==20)
{
t=0;
LED0=!LED0;
}
}
}