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37 lines
915 B
C++
37 lines
915 B
C++
#include <Arduino.h>
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#include <Wire.h>
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#include "RAK3401Board.h"
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void RAK3401Board::begin() {
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NRF52BoardDCDC::begin();
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pinMode(PIN_VBAT_READ, INPUT);
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#ifdef PIN_USER_BTN
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pinMode(PIN_USER_BTN, INPUT_PULLUP);
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#endif
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#ifdef PIN_USER_BTN_ANA
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pinMode(PIN_USER_BTN_ANA, INPUT_PULLUP);
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#endif
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#if defined(PIN_BOARD_SDA) && defined(PIN_BOARD_SCL)
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Wire.setPins(PIN_BOARD_SDA, PIN_BOARD_SCL);
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#endif
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Wire.begin();
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// Enable 3.3V periphery power rail (GPS, IO Module, etc.)
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pinMode(PIN_3V3_EN, OUTPUT);
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digitalWrite(PIN_3V3_EN, HIGH);
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pinMode(SX126X_POWER_EN, OUTPUT);
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digitalWrite(SX126X_POWER_EN, HIGH);
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delay(10); // give sx1262 some time to power up
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#ifdef P_LORA_PA_EN
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// Initialize RAK13302 1W LoRa transceiver module PA control pin
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pinMode(P_LORA_PA_EN, OUTPUT);
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digitalWrite(P_LORA_PA_EN, LOW); // Start with PA disabled
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delay(10); // Allow PA module to initialize
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#endif
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}
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