Uart clearing

tyeth · Feb 8, 2024 · 426039c · 426039c
1 parent d622022
commit 426039c
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Showing 2 changed files with 37 additions and 17 deletions.
diff --git a/examples/Wippersnapper_demo/Wippersnapper_demo.ino b/examples/Wippersnapper_demo/Wippersnapper_demo.ino
@@ -1,17 +1,5 @@
-// Adafruit IO WipperSnapper Beta
-//
-//
-// NOTE: This software is a BETA release and in active development.
-// Please report bugs or errors to https://github.com/adafruit/Adafruit_Wippersnapper_Arduino/issues
-//
-//
-// Adafruit invests time and resources providing this open source code.
-// Please support Adafruit and open source hardware by purchasing
-// products from Adafruit!
-//
-// Brent Rubell for Adafruit Industries, 2021-2022
-//
-// All text above must be included in any redistribution.
+// Adafruit IO WipperSnapper Beta (DEBUG BUILD ONLY!)
+// Brent Rubell for Adafruit Industries, 2021 - 2023
 
 #include "Wippersnapper_Networking.h"
 Wippersnapper_WiFi wipper;
@@ -23,11 +11,12 @@ void setup() {
   // Provisioning must occur prior to serial init.
   wipper.provision();
 
-  Serial.begin(115200);
+  Serial.begin(115200); // wippersnapper serial
+  // Serial1.begin(115200);  // ESP-IDF messages serial
+  // Serial1.setDebugOutput(true); // Enable ESP-IDF messages over Serial1
   //while (!Serial) delay(10);
 
   wipper.connect();
-
 }
 
 void loop() {

diff --git a/src/components/uart/drivers/ws_uart_drv_pm25aqi.h b/src/components/uart/drivers/ws_uart_drv_pm25aqi.h
@@ -106,7 +106,38 @@ class ws_uart_drv_pm25aqi : public ws_uart_drv {
     // Attempt to read the PM2.5 Sensor
     if (!_aqi->read(&_data)) {
       Serial.println("[UART, PM25] Data not available.");
-      delay(500);
+#ifdef USE_SW_UART
+      if (_swSerial->available()) {
+        WS_DEBUG_PRINTLN("[UART, PM25] Flushing Software Serial..");
+        _swSerial->flush();
+        WS_DEBUG_PRINTLN("[UART, PM25] Uart Available. Attempting to clear write errors");
+        _swSerial->clearWriteError();
+      } else {
+        WS_DEBUG_PRINTLN("[UART, PM25] Uart Unavailable. Attempting to clear write errors");
+        _swSerial->clearWriteError();
+        if (!_swSerial->isListening()) {
+          WS_DEBUG_PRINTLN("[UART, PM25] Re-listening on Software Serial..");
+          _swSerial->listen();
+        }
+        // delay(500);
+      }
+#else
+      WS_DEBUG_PRINTLN("[UART, PM25] Setting Hardware Serial to debug mode..");
+      _hwSerial->setDebugOutput(true);
+      if (_hwSerial->available()) {
+        WS_DEBUG_PRINTLN("[UART, PM25] Uart available, flushing Hardware Serial..");
+        _hwSerial->flush();
+        WS_DEBUG_PRINTLN("[UART, PM25] Uart available, clearing write errors..");
+        _hwSerial->clearWriteError();
+        WS_DEBUG_PRINTLN("[UART, PM25] Uart available, resetting event queue..");
+        _hwSerial->eventQueueReset();
+      } else {
+        WS_DEBUG_PRINTLN("[UART, PM25] Uart Unavailable. Attempting to reset event queue...");
+        _hwSerial->eventQueueReset();
+        WS_DEBUG_PRINTLN("[UART, PM25] Uart Unavailable. Attempting to clear write errors");
+        _hwSerial->clearWriteError();
+      }
+#endif      
       return false;
     }
     Serial.println("[UART, PM25] Read data OK");