72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
/**
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* @file BQ25896_Shutdown_Example.ino
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* @author Lewis He (lewishe@outlook.com)
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* @license MIT
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* @copyright Copyright (c) 2024 Shenzhen Xin Yuan Electronic Technology Co., Ltd
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* @date 2024-06-04
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*
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*/
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#define XPOWERS_CHIP_BQ25896
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#include <XPowersLib.h>
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XPowersPPM PPM;
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#ifndef CONFIG_PMU_SDA
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#define CONFIG_PMU_SDA 0
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#endif
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#ifndef CONFIG_PMU_SCL
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#define CONFIG_PMU_SCL 1
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#endif
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#ifndef CONFIG_PMU_IRQ
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#define CONFIG_PMU_IRQ 28
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#endif
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const uint8_t i2c_sda = CONFIG_PMU_SDA;
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const uint8_t i2c_scl = CONFIG_PMU_SCL;
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const uint8_t pmu_irq_pin = CONFIG_PMU_IRQ;
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uint32_t cycleInterval;
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uint32_t countdown = 10;
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void setup()
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{
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Serial.begin(115200);
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while (!Serial);
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bool result = PPM.init(Wire, i2c_sda, i2c_scl, BQ25896_SLAVE_ADDRESS);
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if (result == false) {
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while (1) {
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Serial.println("PPM is not online...");
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delay(1000);
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}
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}
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}
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void loop()
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{
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if (millis() > cycleInterval) {
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Serial.printf("%d\n", countdown);
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if (!(countdown--)) {
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Serial.println("Shutdown .....");
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// The shutdown function can only be used when the battery is connected alone,
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// and cannot be shut down when connected to USB.
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// It can only be powered on in the following two ways:
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// 1. Press the PPM/QON button
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// 2. Connect to USB
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PPM.shutdown();
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countdown = 10000;
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}
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cycleInterval = millis() + 1000;
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}
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}
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