/* MIT License Copyright (c) 2022 lewis he Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* ! WARN: Please do not run the example without knowing the external load voltage of the PMU, it may burn your external load, please check the voltage setting before running the example, if there is any loss, please bear it by yourself */ #ifndef XPOWERS_NO_ERROR #error "Running this example is known to not damage the device! Please go and uncomment this!" #endif #define XPOWERS_CHIP_AXP202 #include #include #include "XPowersLib.h" #ifndef CONFIG_PMU_SDA #define CONFIG_PMU_SDA 21 #endif #ifndef CONFIG_PMU_SCL #define CONFIG_PMU_SCL 22 #endif #ifndef CONFIG_PMU_IRQ #define CONFIG_PMU_IRQ 35 #endif bool pmu_flag = 0; XPowersPMU power; const uint8_t i2c_sda = CONFIG_PMU_SDA; const uint8_t i2c_scl = CONFIG_PMU_SCL; const uint8_t pmu_irq_pin = CONFIG_PMU_IRQ; void setFlag(void) { pmu_flag = true; } void setup() { Serial.begin(115200); bool result = power.begin(Wire, AXP202_SLAVE_ADDRESS, i2c_sda, i2c_scl); if (result == false) { Serial.println("power is not online..."); while (1)delay(50); } Serial.printf("getID:0x%x\n", power.getChipID()); // Set the minimum system operating voltage inside the PMU, // below this value will shut down the PMU // Range: 2600~3300mV power.setSysPowerDownVoltage(2700); // Set the minimum common working voltage of the PMU VBUS input, // below this value will turn off the PMU power.setVbusVoltageLimit(XPOWERS_AXP202_VBUS_VOL_LIM_4V5); // Turn off USB input current limit power.setVbusCurrentLimit(XPOWERS_AXP202_VBUS_CUR_LIM_OFF); // DC2 700~3500 mV, IMAX=1.6A; power.setDC2Voltage(700); // DC3 700~3500 mV,IMAX=0.7A; power.setDC3Voltage(3300); //LDO2 1800~3300 mV, 100mV/step, IMAX=200mA power.setLDO2Voltage(1800); //LDO3 700~2275 mV, 100mV/step, IMAX=200mA power.setLDO3Voltage(1800); /* LDO4 Range: 1250, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2500, 2700, 2800, 3000, 3100, 3200, 3300 */ power.setLDO4Voltage(3300); //LDOio 1800~3300 mV, 100mV/step, IMAX=50mA power.setLDOioVoltage(3300); // Enable power output channel power.enableDC2(); // power.enableDC3(); power.enableLDO2(); power.enableLDO3(); power.enableLDO4(); power.enableLDOio(); Serial.println("DCDC======================================================================="); Serial.printf("DC2 :%s Voltage:%u mV \n", power.isEnableDC2() ? "ENABLE" : "DISABLE", power.getDC2Voltage()); Serial.printf("DC3 :%s Voltage:%u mV \n", power.isEnableDC3() ? "ENABLE" : "DISABLE", power.getDC3Voltage()); Serial.println("LDO======================================================================="); Serial.printf("LDO2: %s Voltage:%u mV\n", power.isEnableLDO2() ? "ENABLE" : "DISABLE", power.getLDO2Voltage()); Serial.printf("LDO3: %s Voltage:%u mV\n", power.isEnableLDO3() ? "ENABLE" : "DISABLE", power.getLDO3Voltage()); Serial.printf("LDO4: %s Voltage:%u mV\n", power.isEnableLDO4() ? "ENABLE" : "DISABLE", power.getLDO4Voltage()); Serial.printf("LDOio: %s Voltage:%u mV\n", power.isEnableLDOio() ? "ENABLE" : "DISABLE", power.getLDOioVoltage()); Serial.println("=========================================================================="); // Set the time of pressing the button to turn off power.setPowerKeyPressOffTime(XPOWERS_AXP202_POWEROFF_4S); uint8_t opt = power.getPowerKeyPressOffTime(); Serial.print("PowerKeyPressOffTime:"); switch (opt) { case XPOWERS_AXP202_POWEROFF_4S: Serial.println("4 Second"); break; case XPOWERS_AXP202_POWEROFF_65: Serial.println("6 Second"); break; case XPOWERS_AXP202_POWEROFF_8S: Serial.println("8 Second"); break; case XPOWERS_AXP202_POWEROFF_10S: Serial.println("10 Second"); break; default: break; } // Set the button power-on press time power.setPowerKeyPressOnTime(XPOWERS_POWERON_128MS); opt = power.getPowerKeyPressOnTime(); Serial.print("PowerKeyPressOnTime:"); switch (opt) { case XPOWERS_POWERON_128MS: Serial.println("128 Ms"); break; case XPOWERS_POWERON_512MS: Serial.println("512 Ms"); break; case XPOWERS_POWERON_1S: Serial.println("1 Second"); break; case XPOWERS_POWERON_2S: Serial.println("2 Second"); break; default: break; } Serial.println("==========================================================================="); // It is necessary to disable the detection function of the TS pin on the board // without the battery temperature detection function, otherwise it will cause abnormal charging power.disableTSPinMeasure(); // power.enableTemperatureMeasure(); // power.disableTemperatureMeasure(); // Enable internal ADC detection power.enableBattDetection(); power.enableVbusVoltageMeasure(); power.enableBattVoltageMeasure(); power.enableSystemVoltageMeasure(); /* The default setting is CHGLED is automatically controlled by the PMU. - XPOWERS_CHG_LED_OFF, - XPOWERS_CHG_LED_BLINK_1HZ, - XPOWERS_CHG_LED_BLINK_4HZ, - XPOWERS_CHG_LED_ON, - XPOWERS_CHG_LED_CTRL_CHG, * */ power.setChargingLedMode(XPOWERS_CHG_LED_OFF); pinMode(pmu_irq_pin, INPUT); attachInterrupt(pmu_irq_pin, setFlag, FALLING); // Disable all interrupts power.disableIRQ(XPOWERS_AXP202_ALL_IRQ); // Clear all interrupt flags power.clearIrqStatus(); // Enable the required interrupt function power.enableIRQ( XPOWERS_AXP202_BAT_INSERT_IRQ | XPOWERS_AXP202_BAT_REMOVE_IRQ | //BATTERY XPOWERS_AXP202_VBUS_INSERT_IRQ | XPOWERS_AXP202_VBUS_REMOVE_IRQ | //VBUS XPOWERS_AXP202_PKEY_SHORT_IRQ | XPOWERS_AXP202_PKEY_LONG_IRQ | //POWER KEY XPOWERS_AXP202_BAT_CHG_DONE_IRQ | XPOWERS_AXP202_BAT_CHG_START_IRQ | //CHARGE // XPOWERS_AXP202_PKEY_NEGATIVE_IRQ | XPOWERS_AXP202_PKEY_POSITIVE_IRQ | //POWER KEY XPOWERS_AXP202_TIMER_TIMEOUT_IRQ //Timer ); // Set constant current charge current limit power.setChargerConstantCurr(XPOWERS_AXP202_CHG_CUR_280MA); // Set stop charging termination current power.setChargerTerminationCurr(XPOWERS_AXP202_CHG_ITERM_LESS_10_PERCENT); // Set charge cut-off voltage power.setChargeTargetVoltage(XPOWERS_AXP202_CHG_VOL_4V2); // Cache writes and reads, as long as the PMU remains powered, the data will always be stored inside the PMU Serial.println("Write pmu data buffer ."); uint8_t data[XPOWERS_AXP202_DATA_BUFFER_SIZE] = {1, 2, 3, 4, 5, 6}; power.writeDataBuffer(data, XPOWERS_AXP202_DATA_BUFFER_SIZE); memset(data, 0, XPOWERS_AXP202_DATA_BUFFER_SIZE); Serial.print("Read pmu data buffer :"); power.readDataBuffer(data, XPOWERS_AXP202_DATA_BUFFER_SIZE); for (int i = 0; i < XPOWERS_AXP202_DATA_BUFFER_SIZE; ++i) { Serial.print(data[i]); Serial.print(","); } Serial.println(); // Set the timing after one minute, the isWdtExpireIrq will be triggered in the loop interrupt function power.setTimerout(1); } void printPMU() { Serial.print("isCharging:"); Serial.println(power.isCharging() ? "YES" : "NO"); Serial.print("isDischarge:"); Serial.println(power.isDischarge() ? "YES" : "NO"); Serial.print("isVbusIn:"); Serial.println(power.isVbusIn() ? "YES" : "NO"); Serial.print("getBattVoltage:"); Serial.print(power.getBattVoltage()); Serial.println("mV"); Serial.print("getVbusVoltage:"); Serial.print(power.getVbusVoltage()); Serial.println("mV"); Serial.print("getSystemVoltage:"); Serial.print(power.getSystemVoltage()); Serial.println("mV"); Serial.print("getTemperature:"); Serial.print(power.getTemperature()); Serial.println("*C"); if (power.isBatteryConnect()) { Serial.print("getBatteryPercent:"); Serial.print(power.getBatteryPercent()); Serial.println("%"); } Serial.println(); } void enterPmuSleep(void) { // Set sleep flag power.enableSleep(); power.disableDC2(); power.disableLDO2(); power.disableLDO3(); // Finally, turn off the power of the control chip power.disableDC3(); } void loop() { if (pmu_flag) { pmu_flag = false; // Get power Interrupt Status Register uint32_t status = power.getIrqStatus(); Serial.print("STATUS => HEX:"); Serial.print(status, HEX); Serial.print(" BIN:"); Serial.println(status, BIN); if (power.isAcinOverVoltageIrq()) { Serial.println("isAcinOverVoltageIrq"); } if (power.isAcinInserIrq()) { Serial.println("isAcinInserIrq"); } if (power.isAcinRemoveIrq()) { Serial.println("isAcinRemoveIrq"); } if (power.isVbusOverVoltageIrq()) { Serial.println("isVbusOverVoltageIrq"); } if (power.isVbusInsertIrq()) { Serial.println("isVbusInsertIrq"); } if (power.isVbusRemoveIrq()) { Serial.println("isVbusRemoveIrq"); } if (power.isVbusLowVholdIrq()) { Serial.println("isVbusLowVholdIrq"); } if (power.isBatInsertIrq()) { Serial.println("isBatInsertIrq"); } if (power.isBatRemoveIrq()) { Serial.println("isBatRemoveIrq"); } if (power.isBattEnterActivateIrq()) { Serial.println("isBattEnterActivateIrq"); } if (power.isBattExitActivateIrq()) { Serial.println("isBattExitActivateIrq"); } if (power.isBatChargeStartIrq()) { Serial.println("isBatChargeStartIrq"); } if (power.isBatChargeDoneIrq()) { Serial.println("isBatChargeDoneIrq"); } if (power.isBattTempHighIrq()) { Serial.println("isBattTempHighIrq"); } if (power.isBattTempLowIrq()) { Serial.println("isBattTempLowIrq"); } if (power.isChipOverTemperatureIrq()) { Serial.println("isChipOverTemperatureIrq"); } if (power.isChargingCurrentLessIrq()) { Serial.println("isChargingCurrentLessIrq"); } if (power.isDC1VoltageLessIrq()) { Serial.println("isDC1VoltageLessIrq"); } if (power.isDC2VoltageLessIrq()) { Serial.println("isDC2VoltageLessIrq"); } if (power.isDC3VoltageLessIrq()) { Serial.println("isDC3VoltageLessIrq"); } if (power.isPekeyShortPressIrq()) { Serial.println("isPekeyShortPress"); // enterPmuSleep(); //CHG LED mode test uint8_t m = power.getChargingLedMode(); Serial.print("getChargingLedMode:"); Serial.println(m++); m %= XPOWERS_CHG_LED_CTRL_CHG; Serial.printf("setChargingLedMode:%u", m); power.setChargingLedMode(m); } if (power.isPekeyLongPressIrq()) { Serial.println("isPekeyLongPress"); } if (power.isNOEPowerOnIrq()) { Serial.println("isNOEPowerOnIrq"); } if (power.isNOEPowerDownIrq()) { Serial.println("isNOEPowerDownIrq"); } if (power.isVbusEffectiveIrq()) { Serial.println("isVbusEffectiveIrq"); } if (power.isVbusInvalidIrq()) { Serial.println("isVbusInvalidIrq"); } if (power.isVbusSessionIrq()) { Serial.println("isVbusSessionIrq"); } if (power.isVbusSessionEndIrq()) { Serial.println("isVbusSessionEndIrq"); } if (power.isLowVoltageLevel2Irq()) { Serial.println("isLowVoltageLevel2Irq"); } if (power.isWdtExpireIrq()) { Serial.println("isWdtExpire"); printPMU(); // Clear the timer state and continue to the next timer power.clearTimerFlag(); } if (power.isGpio2EdgeTriggerIrq()) { Serial.println("isGpio2EdgeTriggerIrq"); } if (power.isGpio1EdgeTriggerIrq()) { Serial.println("isGpio1EdgeTriggerIrq"); } if (power.isGpio0EdgeTriggerIrq()) { Serial.println("isGpio0EdgeTriggerIrq"); } // Clear power Interrupt Status Register power.clearIrqStatus(); } delay(10); }