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39 lines
974 B
39 lines
974 B
#pragma once
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#include <Arduino.h>
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#include <MeshCore.h>
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#include <helpers/NRF52Board.h>
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// built-ins
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#define PIN_VBAT_READ 29
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#define PIN_BAT_CTL 34
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#define MV_LSB (3000.0F / 4096.0F) // 12-bit ADC with 3.0V input range
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class HeltecMeshPocket : public NRF52BoardDCDC {
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public:
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HeltecMeshPocket() : NRF52Board("MESH_POCKET_OTA") {}
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void begin();
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uint16_t getBattMilliVolts() override {
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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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pinMode(PIN_BAT_CTL, OUTPUT); // battery adc can be read only ctrl pin set to high
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pinMode(PIN_VBAT_READ, INPUT);
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digitalWrite(PIN_BAT_CTL, HIGH);
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delay(10);
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adcvalue = analogRead(PIN_VBAT_READ);
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digitalWrite(PIN_BAT_CTL, LOW);
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return (uint16_t)((float)adcvalue * MV_LSB * 4.9);
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}
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const char* getManufacturerName() const override {
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return "Heltec MeshPocket";
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}
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void powerOff() override {
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sd_power_system_off();
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}
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};
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