[Taranis] Overrun errors on S.PORT are now counted and it's possible to display the errors count in the CLI

radio/src/cli.cpp

@@ -498,11 +498,13 @@ int cliDebugVars(const char ** argv)
 #if defined(PCBHORUS)
   extern uint32_t ioMutexReq, ioMutexRel;
   extern uint32_t sdReadRetries;
-
   serialPrint("ioMutexReq=%d", ioMutexReq);
   serialPrint("ioMutexRel=%d", ioMutexRel);
   serialPrint("sdReadRetries=%d", sdReadRetries);
+#elif defined(PCBTARANIS)
+  serialPrint("telemetryErrors=%d", telemetryErrors);
 #endif
+
   return 0;
 }
 

radio/src/targets/taranis/board_taranis.h

@@ -325,6 +325,7 @@ void telemetryPortInit(uint32_t baudrate);
 void telemetryPortSetDirectionOutput(void);
 void sportSendBuffer(uint8_t * buffer, uint32_t count);
 int telemetryGetByte(uint8_t * byte);
+extern uint32_t telemetryErrors;
 
 // Audio driver
 void audioInit(void) ;

radio/src/targets/taranis/telemetry_driver.cpp

@@ -21,6 +21,7 @@
 #include "opentx.h"
 
 Fifo<uint8_t, 32> telemetryFifo;
+uint32_t telemetryErrors = 0;
 
 void telemetryPortInit(uint32_t baudrate)
 {
@@ -125,7 +126,10 @@ extern "C" void TELEMETRY_USART_IRQHandler(void)
   uint32_t status = TELEMETRY_USART->SR;
   while (status & (USART_FLAG_RXNE | USART_FLAG_ERRORS)) {
     uint8_t data = TELEMETRY_USART->DR;
-    if (!(status & USART_FLAG_ERRORS)) {
+    if (status & USART_FLAG_ERRORS) {
+      telemetryErrors++;
+    }
+    else {
       telemetryFifo.push(data);
     }
     status = TELEMETRY_USART->SR;