LoRa_APRS_iGate/src/power_utils.cpp

#include "configuration.h"
#include "power_utils.h"
#include "pins_config.h"

#if defined(HAS_AXP192) || defined(HAS_AXP2101)
#define I2C_SDA 21
#define I2C_SCL 22
#define IRQ_PIN 35
#endif

#ifdef HAS_AXP192
XPowersAXP192 PMU;
#endif
#ifdef HAS_AXP2101
XPowersAXP2101 PMU;
#endif

extern Configuration    Config;


namespace POWER_Utils {

    bool   BatteryIsConnected = false;
    String batteryVoltage = "";
    String batteryChargeDischargeCurrent = "";

    void activateMeasurement() {
        #if defined(HAS_AXP192) || defined(HAS_AXP2101)
        PMU.disableTSPinMeasure();
        PMU.enableBattDetection();
        PMU.enableVbusVoltageMeasure();
        PMU.enableBattVoltageMeasure();
        PMU.enableSystemVoltageMeasure();
        #endif
    }

    void activateLoRa() {
        #ifdef HAS_AXP192
        PMU.setLDO2Voltage(3300);
        PMU.enableLDO2();
        #endif
        #ifdef HAS_AXP2101
        PMU.setALDO2Voltage(3300);
        PMU.enableALDO2();
        #endif
    }

    void deactivateLoRa() {
        #ifdef HAS_AXP192
        PMU.disableLDO2();
        #endif
        #ifdef HAS_AXP2101
        PMU.disableALDO2();
        #endif
    }

    bool begin(TwoWire &port) {
        #if defined(HAS_AXP192)
        bool result = PMU.begin(Wire, AXP192_SLAVE_ADDRESS, I2C_SDA, I2C_SCL);
        if (result) {
            PMU.disableDC2();
            PMU.disableLDO2();
            PMU.disableLDO3();
            PMU.setDC1Voltage(3300);
            PMU.enableDC1();
            PMU.setProtectedChannel(XPOWERS_DCDC3);
            PMU.disableIRQ(XPOWERS_AXP192_ALL_IRQ);
        }
        return result;
        #elif defined(HAS_AXP2101)
        bool result = PMU.begin(Wire, AXP2101_SLAVE_ADDRESS, I2C_SDA, I2C_SCL);
        if (result) {
            PMU.disableDC2();
            PMU.disableDC3();
            PMU.disableDC4();
            PMU.disableDC5();
            PMU.disableALDO1();
            PMU.disableALDO4();
            PMU.disableBLDO1();
            PMU.disableBLDO2();
            PMU.disableDLDO1();
            PMU.disableDLDO2();
            PMU.setDC1Voltage(3300);
            PMU.enableDC1();
            PMU.setButtonBatteryChargeVoltage(3300);
            PMU.enableButtonBatteryCharge();
            PMU.disableIRQ(XPOWERS_AXP2101_ALL_IRQ);
        }
        return result;
        #else
        return true;
        #endif
    }


    void setup() {
        Wire.end();
        #ifdef HAS_AXP192
        Wire.begin(SDA, SCL);
        if (begin(Wire)) {
            Serial.println("AXP192 init done!");
        } else {
            Serial.println("AXP192 init failed!");
        }
        activateLoRa();
        activateMeasurement();
        PMU.setChargerTerminationCurr(XPOWERS_AXP192_CHG_ITERM_LESS_10_PERCENT);
        PMU.setChargeTargetVoltage(XPOWERS_AXP192_CHG_VOL_4V2);
        PMU.setChargerConstantCurr(XPOWERS_AXP192_CHG_CUR_780MA);
        PMU.setSysPowerDownVoltage(2600);
        #endif

        #ifdef HAS_AXP2101
        Wire.begin(SDA, SCL);
        if (begin(Wire)) {
            Serial.println("AXP2101 init done!");
        } else {
            Serial.println("AXP2101 init failed!");
        }
        activateLoRa();
        activateMeasurement();
        PMU.setPrechargeCurr(XPOWERS_AXP2101_PRECHARGE_200MA);
        PMU.setChargerTerminationCurr(XPOWERS_AXP2101_CHG_ITERM_25MA);
        PMU.setChargeTargetVoltage(XPOWERS_AXP2101_CHG_VOL_4V2);
        PMU.setChargerConstantCurr(XPOWERS_AXP2101_CHG_CUR_800MA);
        PMU.setSysPowerDownVoltage(2600);
        #endif

        #if defined(HELTEC_V3)
        pinMode(VExt_CTRL,OUTPUT); // this is for GPS and TFT screen on Wireless_Tracker and only for Oled in Heltec V3
        digitalWrite(VExt_CTRL, HIGH);
        pinMode(ADC_CTRL, OUTPUT);
        #endif
    }

}