axp517_charger.ino

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#include <PmicDrv.hpp>
 
#ifndef PMIC_SDA
#define PMIC_SDA  3
#endif
 
#ifndef PMIC_SCL
#define PMIC_SCL  2
#endif
 
#ifndef PMIC_IRQ
#define PMIC_IRQ  21
#endif
 
PmicAXP517 pmic;
 
void setup()
{
    Serial.begin(115200);
    delay(500);
 
    Serial.println("\n=== AXP517 Charger Example ===\n");
 
    if (!pmic.begin(Wire, AXP517_SLAVE_ADDRESS, PMIC_SDA, PMIC_SCL)) {
        Serial.println("Failed to init AXP517!");
        while (1) delay(1000);
    }
 
    pmic.enableModule(PmicAXP517::Module::CHARGE, true);
 
    auto *charger = pmic.getCharger();
    if (!charger) {
        Serial.println("No charger!");
        while (1) delay(1000);
    }
 
    Serial.println("\n--- Configure Charger ---");
 
    charger->setChargeVoltage(4200);
    Serial.print("CV: ");
    Serial.print(charger->getChargeVoltage());
    Serial.println(" mV");
 
    charger->setFastChargeCurrent(1000);
    Serial.print("ICC: ");
    Serial.print(charger->getFastChargeCurrent());
    Serial.println(" mA");
 
    charger->setPreChargeCurrent(128);
    Serial.print("IPRECHG: ");
    Serial.print(charger->getPreChargeCurrent());
    Serial.println(" mA");
 
    charger->setTerminationCurrent(256);
    Serial.print("ITERM: ");
    Serial.print(charger->getTerminationCurrent());
    Serial.println(" mA");
 
    charger->enableCharging(true);
    Serial.println("Charging enabled");
 
    Serial.println("\n=== Setup Complete ===\n");
}
 
void loop()
{
    static uint32_t lastPrint = 0;
 
    if (millis() - lastPrint > 2000) {
        lastPrint = millis();
 
        auto *charger = pmic.getCharger();
        auto status = charger->getStatus();
 
        Serial.println("\n--- Charger Status ---");
 
        Serial.print("State: ");
        Serial.println(status.charging ? "Charging" : "Idle");
        Serial.print("Vbus: ");
        Serial.println(status.vbusPresent ? "Present" : "Absent");
        Serial.print("Done: ");
        Serial.println(status.chargeDone ? "Yes" : "No");
 
        // Current settings
        Serial.print("CV: ");
        Serial.print(charger->getChargeVoltage());
        Serial.println(" mV");
        Serial.print("ICC: ");
        Serial.print(charger->getFastChargeCurrent());
        Serial.println(" mA");
    }
 
    delay(100);
}