關于藍牙串口通信中自動模式代碼修改

ID:1070480 · 發表于 2024-4-15 16:12

請大哥們幫看看，我做的是藍牙溫控風扇，下面代碼是一個藍牙串口通信，發送0x05相當于是個自動模式的指令，但是這個自動模式不能實時實現功能，當溫度、設置的最大值Thigh和最小值TLow發生改變時要重新發送指令才能實現發生變化，如果自動模式這個代碼不放在串口通信里面放到main主函數里面又會產生沖突。問一下代碼要怎么修改或者提供下思路，謝謝！！！
void UART_Routine() interrupt 4  {
if (RI) {
      RI = 0;
      x = SBUF;
      switch (x) {
         case 0x01: Compare = 0, Speed=0; break;
         case 0x02: Compare = 50, Speed=1; break;
         case 0x03: Compare = 75, Speed=2; break;
         case 0x04: Compare = 100, Speed=3; break;
   case 0x05: if (T > THigh) {
   Compare = 100;
         Speed = 3;
}
         else if (T <= THigh && T >= (THigh + TLow) / 2) {
               Compare = 75;
         Speed = 2;
         }
      else if (T <= (THigh + TLow) / 2 && T > TLow) {
                                 Compare = 50;
      Speed = 1;
   }
   else {
   Compare = 0;
            Speed = 0;
   }
         break;
      }
}
}

ID:277550 · 發表于 2024-4-16 11:09

代碼不完整，需求不清晰。但建議，最好是接收到一個字符分隔符，在主函數中再處理。

ID:161164 · 發表于 2024-4-16 13:06

自動模式要放到主循環那里判斷

void UART_Routine() interrupt 4 {
if (RI) {
RI = 0;
x = SBUF;
switch (x) {
case 0x01: Compare = 0, Speed=0; break;
case 0x02: Compare = 50, Speed=1; break;
case 0x03: Compare = 75, Speed=2; break;
case 0x04: Compare = 100, Speed=3; break;
}
}
}
void main()
{
//...
while(1)
{
//...
if(x == 0x05)
{
if (T > THigh)
{
Compare = 100;
Speed = 3;
}
else if (T <= THigh && T >= (THigh + TLow) / 2)
{
Compare = 75;
Speed = 2;
}
else if (T <= (THigh + TLow) / 2 && T > TLow)
{
Compare = 50;
Speed = 1;
}
else
{
Compare = 0;
Speed = 0;
}
}
}
}

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關于藍牙串口通信中自動模式代碼修改