76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
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#pragma once
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#include <MeshCore.h>
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#include <Arduino.h>
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// LoRa radio module pins for Seeed Xiao-nrf52
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#ifdef SX1262_XIAO_S3_VARIANT
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#define P_LORA_DIO_1 D0
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#define P_LORA_BUSY D1
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#define P_LORA_RESET D2
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#define P_LORA_NSS D3
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#define LORA_TX_BOOST_PIN D4
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#else
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#define P_LORA_DIO_1 D1
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#define P_LORA_BUSY D3
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#define P_LORA_RESET D2
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#define P_LORA_NSS D4
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#define LORA_TX_BOOST_PIN D5
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#endif
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#define P_LORA_SCLK PIN_SPI_SCK
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#define P_LORA_MISO PIN_SPI_MISO
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#define P_LORA_MOSI PIN_SPI_MOSI
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//#define SX126X_POWER_EN 37
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#define SX126X_DIO2_AS_RF_SWITCH true
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8
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class XiaoNrf52Board : public mesh::MainBoard {
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protected:
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uint8_t startup_reason;
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public:
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void begin();
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uint8_t getStartupReason() const override { return startup_reason; }
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#if defined(P_LORA_TX_LED)
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void onBeforeTransmit() override {
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digitalWrite(P_LORA_TX_LED, LOW); // turn TX LED on
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}
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void onAfterTransmit() override {
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digitalWrite(P_LORA_TX_LED, HIGH); // turn TX LED off
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}
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#endif
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uint16_t getBattMilliVolts() override {
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// Please read befor going further ;)
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// https://wiki.seeedstudio.com/XIAO_BLE#q3-what-are-the-considerations-when-using-xiao-nrf52840-sense-for-battery-charging
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pinMode(BAT_NOT_CHARGING, INPUT);
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if (digitalRead(BAT_NOT_CHARGING) == HIGH) {
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int adcvalue = 0;
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analogReadResolution(12);
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analogReference(AR_INTERNAL_3_0);
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digitalWrite(VBAT_ENABLE, LOW);
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delay(10);
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adcvalue = analogRead(PIN_VBAT);
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digitalWrite(VBAT_ENABLE, HIGH);
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return (adcvalue * ADC_MULTIPLIER * AREF_VOLTAGE) / 4.096;
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} else {
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digitalWrite(VBAT_ENABLE, HIGH); // ensures high !
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return 4200; // charging value
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}
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}
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const char* getManufacturerName() const override {
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return "Seeed Xiao-nrf52";
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}
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void reboot() override {
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NVIC_SystemReset();
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}
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bool startOTAUpdate(const char* id, char reply[]) override;
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};
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