SHT11溫濕度使用STC15W408AS單片機串口輸出源碼工程

ID:276663 · 發表于 2018-1-31 10:27

手上有個SHT11溫濕度模塊，看了一下說明書還挺方便使用。就抽空測試了一下。不保證精度，因為手頭也沒有什么其它溫濕度計對比。保證能把數據獲取。

順便還做了STC的指令自動重啟下載代碼。

請注意圖中的設置項

/*******************************************************************************
* @brief None
* @param None
* @retval None
****************************************************************Author:Liming**/
void main(void)
{
SHT11_VALUE Temp,Humi;
unsigned int Humidity,Temperature;
unsigned char SHT11_CRC;
unsigned char SHT11_Error;
Timer0_Init();
Uart_Init();
EA = 1;
SendString("STC15W408AS Uart Test !\r\n");
sht11_init();
while(1)
{
SHT11_Error = sht11_get_data((unsigned char*)&Temp.i,&SHT11_CRC,TEMP);
SHT11_Error = sht11_get_data((unsigned char*)&Humi.i,&SHT11_CRC,HUMI);
if(SHT11_Error) sht11_init();
else
{
Temp.f = (float)Temp.i;
Humi.f = (float)Humi.i;
calc_sht11(&Humi.f,&Temp.f);
}
Temperature = Temp.f*10;
Humidity = Humi.f*10;
if(Humidity == 0) sht11_init();
else
{
SendString("溫度:");
SendData(Temperature/1000+'0');
SendData(Temperature%1000/100+'0');
SendData(Temperature%100/10+'0');
SendData('.');
SendData(Temperature%10+'0');
SendString("℃");
SendString("濕度:");
SendData(Humidity/100+'0');
SendData(Humidity%100/10+'0');
SendData('.');
SendData(Humidity%10+'0');
SendString("%\r\n");
}
Delay_ms(700);
}
}