Add Serial3 for Arduino Nano Connect RP2040. Fix #807 (#838)

earlephilhower · Sep 6, 2022 · 1303ef5 · 1303ef5
1 parent 85d39cf
commit 1303ef5
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diff --git a/cores/rp2040/SerialPIO.cpp b/cores/rp2040/SerialPIO.cpp
@@ -370,3 +370,8 @@ size_t SerialPIO::write(uint8_t c) {
 SerialPIO::operator bool() {
     return _running;
 }
+
+#ifdef ARDUINO_NANO_RP2040_CONNECT
+// NINA updates
+SerialPIO Serial3(SERIAL3_TX, SERIAL3_RX);
+#endif
diff --git a/cores/rp2040/SerialPIO.h b/cores/rp2040/SerialPIO.h
@@ -80,3 +80,8 @@ class SerialPIO : public HardwareSerial {
     uint32_t _reader;
     uint8_t  *_queue;
 };
+
+#ifdef ARDUINO_NANO_RP2040_CONNECT
+// NINA updates
+extern SerialPIO Serial3;
+#endif
diff --git a/variants/arduino_nano_connect/pins_arduino.h b/variants/arduino_nano_connect/pins_arduino.h
@@ -94,6 +94,9 @@ static const uint8_t SCK = PIN_SPI0_SCK;
 #define SerialNina		Serial3
 #define SerialHCI		Serial2
 
+#define SERIAL3_TX              (D25)
+#define SERIAL3_RX              (D26)
+
 //#define NINA_GPIOIRQ	(21u) // LEDG pin (GPIO26 on NINA)
 #define NINA_GPIO0		(D20)   // (2u), real GPIO0 on NINA