Created Dragino Pico Board Def

Currently just LoRa over usb

variants/pico_dragino_sx1276/WaveshareBoard.h

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+#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/pico_dragino_sx1276/platformio.ini

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+[pico_dragino_sx1276]
+extends = rp2040_base
+board = pico
+build_flags =
+  ${rp2040_base.build_flags}
+  -I variants/pico_dragino_sx1276
+  -I variants/waveshare_rp2040_lora
+  -D RADIO_CLASS=CustomSX1276
+  -D WRAPPER_CLASS=CustomSX1276Wrapper
+  -D SX127X_CURRENT_LIMIT=120
+  -D LORA_TX_POWER=17
+  -D LORA_FREQ=915.0
+  -D P_LORA_DIO_0=6
+  -D P_LORA_DIO_1=7
+  -D P_LORA_RST=8
+  -D P_LORA_SCLK=18
+  -D P_LORA_MISO=16
+  -D P_LORA_MOSI=19
+  -D P_LORA_NSS=17
+  -D PIN_GPS_RX=9
+  -D PIN_GPS_TX=8
+  -D ENV_INCLUDE_GPS=1
+build_src_filter = ${rp2040_base.build_src_filter}
+  +<../variants/pico_dragino_sx1276>
+  +<../variants/waveshare_rp2040_lora/WaveshareBoard.cpp>
+lib_deps =
+  ${rp2040_base.lib_deps}
+  stevemarple/MicroNMEA @ ^2.0.6
+
+[env:pico_dragino_companion_radio_usb]
+extends = pico_dragino_sx1276
+build_flags =
+  ${pico_dragino_sx1276.build_flags}
+  -D MAX_CONTACTS=100
+  -D MAX_GROUP_CHANNELS=8
+build_src_filter = ${pico_dragino_sx1276.build_src_filter}
+  +<../examples/companion_radio/*.cpp>
+lib_deps =
+  ${pico_dragino_sx1276.lib_deps}
+  densaugeo/base64 @ ~1.4.0
+lib_ignore =
+  BLE
+  WiFi
+
+[env:pico_dragino_repeater]
+extends = pico_dragino_sx1276
+build_flags =
+  ${pico_dragino_sx1276.build_flags}
+  -D ADVERT_NAME='"Pico Repeater"'
+  -D ADVERT_LAT=0.0
+  -D ADVERT_LON=0.0
+  -D ADMIN_PASSWORD='"password"'
+  -D MAX_NEIGHBOURS=50
+  -D PERSISTANT_GPS=1
+build_src_filter = ${pico_dragino_sx1276.build_src_filter}
+  +<../examples/simple_repeater>
+lib_deps =
+  ${pico_dragino_sx1276.lib_deps}

variants/pico_dragino_sx1276/target.cpp

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+#include "target.h"
+
+#include <Arduino.h>
+#include <helpers/ArduinoHelpers.h>
+
+WaveshareBoard board;
+
+RADIO_CLASS radio = new Module(P_LORA_NSS, P_LORA_DIO_0, P_LORA_RST, P_LORA_DIO_1, SPI);
+WRAPPER_CLASS radio_driver(radio, board);
+
+VolatileRTCClock fallback_clock;
+AutoDiscoverRTCClock rtc_clock(fallback_clock);
+SensorManager sensors;
+
+bool radio_init() {
+  Serial.begin(115200);
+  delay(3000);
+  Serial.println("Starting up...");
+
+  rtc_clock.begin(Wire);
+  Serial.println("RTC done");
+
+  pinMode(P_LORA_RST, OUTPUT);
+  digitalWrite(P_LORA_RST, LOW);
+  delay(10);
+  digitalWrite(P_LORA_RST, HIGH);
+  delay(10);
+  Serial.println("Reset done");
+
+  SPI.begin();
+  Serial.println("SPI done");
+
+  bool result = radio.std_init(NULL);
+  Serial.println(result ? "Radio OK" : "Radio FAILED");
+  return result;
+}
+
+uint32_t radio_get_rng_seed() {
+  return radio.random(0x7FFFFFFF);
+}
+
+void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr) {
+  radio.setFrequency(freq);
+  radio.setSpreadingFactor(sf);
+  radio.setBandwidth(bw);
+  radio.setCodingRate(cr);
+}
+
+void radio_set_tx_power(int8_t dbm) {
+  radio.setOutputPower(dbm);
+}
+
+mesh::LocalIdentity radio_new_identity() {
+  RadioNoiseListener rng(radio);
+  return mesh::LocalIdentity(&rng);
+}

variants/pico_dragino_sx1276/target.h

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+#pragma once
+
+#define RADIOLIB_STATIC_ONLY 1
+#include <RadioLib.h>
+#include <helpers/radiolib/RadioLibWrappers.h>
+#include <helpers/radiolib/CustomSX1276Wrapper.h>
+#include <helpers/AutoDiscoverRTCClock.h>
+#include <helpers/SensorManager.h>
+#include <WaveshareBoard.h>
+
+extern WaveshareBoard board;
+extern WRAPPER_CLASS radio_driver;
+extern AutoDiscoverRTCClock rtc_clock;
+extern SensorManager sensors;
+
+bool radio_init();
+uint32_t radio_get_rng_seed();
+void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr);
+void radio_set_tx_power(int8_t dbm);
+mesh::LocalIdentity radio_new_identity();