waveshare rp2040 lora cleanup

variants/waveshare_rp2040_lora/WaveshareBoard.cpp

@@ -0,0 +1,30 @@
+#include "WaveshareBoard.h"
+
+#include <Arduino.h>
+#include <Wire.h>
+
+void WaveshareBoard::begin() {
+  // for future use, sub-classes SHOULD call this from their begin()
+  startup_reason = BD_STARTUP_NORMAL;
+
+#ifdef P_LORA_TX_LED
+  pinMode(P_LORA_TX_LED, OUTPUT);
+#endif
+
+#ifdef PIN_VBAT_READ
+  pinMode(PIN_VBAT_READ, INPUT);
+#endif
+
+#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL)
+  Wire.setSDA(PIN_BOARD_SDA);
+  Wire.setSCL(PIN_BOARD_SCL);
+#endif
+
+  Wire.begin();
+
+  delay(10); // give sx1262 some time to power up
+}
+
+bool WaveshareBoard::startOTAUpdate(const char *id, char reply[]) {
+  return false;
+}

variants/waveshare_rp2040_lora/WaveshareBoard.h

@@ -0,0 +1,61 @@
+#pragma once
+
+#include <Arduino.h>
+#include <MeshCore.h>
+
+// LoRa radio module pins for Waveshare RP2040-LoRa-HF/LF
+// https://files.waveshare.com/wiki/RP2040-LoRa/Rp2040-lora-sch.pdf
+
+/*
+ * This board has no built-in way to read battery voltage.
+ * Nevertheless it's very easy to make it work, you only require two 1% resistors.
+ *
+ *    BAT+ -----+
+ *              |
+ *       VSYS --+ -/\/\/\/\- --+
+ *                   200k      |
+ *                             +-- GPIO28
+ *                             |
+ *        GND --+ -/\/\/\/\- --+
+ *              |    100k
+ *    BAT- -----+
+ */
+#define PIN_VBAT_READ            28
+#define BATTERY_SAMPLES          8
+#define ADC_MULTIPLIER           (3.0f * 3.3f * 1000)
+
+class WaveshareBoard : public mesh::MainBoard {
+protected:
+  uint8_t startup_reason;
+
+public:
+  void begin();
+  uint8_t getStartupReason() const override { return startup_reason; }
+
+#ifdef P_LORA_TX_LED
+  void onBeforeTransmit() override { digitalWrite(P_LORA_TX_LED, HIGH); }
+  void onAfterTransmit() override { digitalWrite(P_LORA_TX_LED, LOW); }
+#endif
+
+  uint16_t getBattMilliVolts() override {
+#if defined(PIN_VBAT_READ) && defined(ADC_MULTIPLIER)
+    analogReadResolution(12);
+
+    uint32_t raw = 0;
+    for (int i = 0; i < BATTERY_SAMPLES; i++) {
+      raw += analogRead(PIN_VBAT_READ);
+    }
+    raw = raw / BATTERY_SAMPLES;
+
+    return (ADC_MULTIPLIER * raw) / 4096;
+#else
+    return 0;
+#endif
+  }
+
+  const char *getManufacturerName() const override { return "Waveshare RP2040-LoRa"; }
+
+  void reboot() override { rp2040.reboot(); }
+
+  bool startOTAUpdate(const char *id, char reply[]) override;
+};

variants/waveshare_rp2040_lora/platformio.ini

@@ -3,28 +3,34 @@
 
 [waveshare_rp2040_lora]
 extends = rp2040_base
-
 board = pico
 board_build.filesystem_size = 0.5m
-
 build_flags = ${rp2040_base.build_flags}
   -I variants/waveshare_rp2040_lora
   -D SX126X_CURRENT_LIMIT=140
   -D RADIO_CLASS=CustomSX1262
   -D WRAPPER_CLASS=CustomSX1262Wrapper
-  -D LORA_TX_POWER=22
+  -D P_LORA_DIO_1=16
+  -D P_LORA_NSS=13 ; CS
+  -D P_LORA_RESET=23
+  -D P_LORA_BUSY=18
+  -D P_LORA_SCLK=14
+  -D P_LORA_MISO=24
+  -D P_LORA_MOSI=15
+  -D P_LORA_TX_LED=25
+  -D SX126X_DIO2_AS_RF_SWITCH=true
+  -D SX126X_DIO3_TCXO_VOLTAGE=0
   -D SX126X_RX_BOOSTED_GAIN=1
+  -D LORA_TX_POWER=22
 ; Debug options
   ; -D DEBUG_RP2040_WIRE=1
   ; -D DEBUG_RP2040_SPI=1
   ; -D DEBUG_RP2040_CORE=1
   ; -D RADIOLIB_DEBUG_SPI=1
   ; -D DEBUG_RP2040_PORT=Serial
-
 build_src_filter = ${rp2040_base.build_src_filter}
-  +<helpers/rp2040/WaveshareBoard.cpp>
+  +<WaveshareBoard.cpp>
   +<../variants/waveshare_rp2040_lora>
-
 lib_deps = ${rp2040_base.lib_deps}
 
 [env:waveshare_rp2040_lora_Repeater]

variants/waveshare_rp2040_lora/target.h

@@ -7,7 +7,7 @@
 #include <helpers/radiolib/CustomSX1262Wrapper.h>
 #include <helpers/radiolib/RadioLibWrappers.h>
 #include <helpers/SensorManager.h>
-#include <helpers/rp2040/WaveshareBoard.h>
+#include <WaveshareBoard.h>
 
 extern WaveshareBoard board;
 extern WRAPPER_CLASS radio_driver;