连续上发三次状态

Core/Inc/main.h

@@ -46,6 +46,7 @@ extern uint8_t tcp_echo_flags_hart2;
     extern uint8_t tcp_echo_flags_ble1;
     extern uint8_t tcp_echo_flags_ble2;
     extern uint8_t tcp_echo_flags_control;
+    extern uint8_t send_data_flag_cmd;
 #define ARRAY_LEN(arr) (sizeof(arr)) / (sizeof(arr[0]))
         typedef struct
     {

Core/Src/freertos.c

@@ -64,6 +64,7 @@ osThreadId ec11_taskHandle;
 /* USER CODE BEGIN FunctionPrototypes */
 extern float current_buff[2];
 extern uint8_t tcp_echo_flags_control;
+extern uint8_t send_data_flag_cmd;
 int direction = 0;
 int encode_num = 0;
 uint8_t di_state_last[DI_MAX] = {0};
@@ -264,7 +265,7 @@ void start_gpio_di_do_task(void const *argument)
   /* Infinite loop */
   for (;;)
   {
-    uint8_t di_flag = 0;
+
     uint8_t di_ch = 0;
     uint8_t tx_data_len = 7 + DI_MAX;
     uint8_t tx_data[32] = {0};
@@ -279,18 +280,22 @@ void start_gpio_di_do_task(void const *argument)
       if (di_state_last[di_ch] != di_state_now[di_ch])
       {
         di_state_last[di_ch] = di_state_now[di_ch];
-        di_flag = 1;
+        send_data_flag_cmd = 1;
       }
       tx_data[5 + di_ch] = di_state_now[di_ch];
     }
-    if ((1 == di_flag) && (1 == tcp_echo_flags_control))
+    if ((send_data_flag_cmd != 0) && (1 == tcp_echo_flags_control))
     {
       tx_data[5 + DI_MAX] = xor_compute(tx_data + 1, tx_data_len - 3); // 异或校验
       tx_data[6 + DI_MAX] = FRAME_TAIL;                                // 帧尾
       user_send_data_control(tx_data, tx_data_len);
-      di_flag = 0;
+      send_data_flag_cmd++;
+      if (send_data_flag_cmd > 3) // 连续三次上位机没有回应，则停止发送数据包
+      {
+        send_data_flag_cmd = 0;
       }
-    vTaskDelay(10);
+    }
+    vTaskDelay(100);
   }
   /* USER CODE END start_gpio_di_do_task */
 }

Core/Src/main.c

@@ -78,6 +78,7 @@ uint8_t tcp_echo_flags_hart2 = 0;
 uint8_t tcp_echo_flags_ble1 = 0;
 uint8_t tcp_echo_flags_ble2 = 0;
 uint8_t tcp_echo_flags_control = 0;
+uint8_t send_data_flag_cmd = 0;
 /* USER CODE END 0 */
 
 /**

MDK-ARM/semi-finished_product_testing.uvoptx

@@ -215,6 +215,16 @@
           <WinNumber>1</WinNumber>
           <ItemText>di_state_last</ItemText>
         </Ww>
+        <Ww>
+          <count>13</count>
+          <WinNumber>1</WinNumber>
+          <ItemText>di_state_now</ItemText>
+        </Ww>
+        <Ww>
+          <count>14</count>
+          <WinNumber>1</WinNumber>
+          <ItemText>tcp_echo_flags_control</ItemText>
+        </Ww>
       </WatchWindow1>
       <Tracepoint>
         <THDelay>0</THDelay>

User/application/src/tcpserverc.c

@@ -31,6 +31,7 @@ extern uint8_t tcp_echo_flags_hart2;
 extern uint8_t tcp_echo_flags_ble1;
 extern uint8_t tcp_echo_flags_ble2;
 extern uint8_t tcp_echo_flags_control;
+extern uint8_t send_data_flag_cmd;
 
 /*接收回调函数*/
 static err_t tcpecho_recv_hart1(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err)
@@ -192,6 +193,10 @@ static err_t tcpecho_recv_control(void *arg, struct tcp_pcb *tpcb, struct pbuf *
                     user_write_gpio(user_communication_do);
                     tcp_write(tpcb, tcp_rx_data, rx_data_len, 1);
                 }
+                else if (tcp_rx_data[3] == SEND_STATE_CMD)
+                {
+                    send_data_flag_cmd = 0; // 上位机返回数据，发送状态标志位清零
+                }
                 else
                 {
                     // 返回命令号错误