forked from xiaozhi/xiaozhi-esp32
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
#include "axp2101.h"
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#include "board.h"
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#include "display.h"
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#include <esp_log.h>
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#define TAG "Axp2101"
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Axp2101::Axp2101(i2c_master_bus_handle_t i2c_bus, uint8_t addr) : I2cDevice(i2c_bus, addr) {
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// ** EFUSE defaults **
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WriteReg(0x22, 0b110); // PWRON > OFFLEVEL as POWEROFF Source enable
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WriteReg(0x27, 0x10); // hold 4s to power off
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WriteReg(0x93, 0x1C); // 配置 aldo2 输出为 3.3V
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uint8_t value = ReadReg(0x90); // XPOWERS_AXP2101_LDO_ONOFF_CTRL0
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value = value | 0x02; // set bit 1 (ALDO2)
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WriteReg(0x90, value); // and power channels now enabled
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WriteReg(0x64, 0x03); // CV charger voltage setting to 4.2V
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WriteReg(0x61, 0x05); // set Main battery precharge current to 125mA
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WriteReg(0x62, 0x0A); // set Main battery charger current to 400mA ( 0x08-200mA, 0x09-300mA, 0x0A-400mA )
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WriteReg(0x63, 0x15); // set Main battery term charge current to 125mA
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WriteReg(0x14, 0x00); // set minimum system voltage to 4.1V (default 4.7V), for poor USB cables
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WriteReg(0x15, 0x00); // set input voltage limit to 3.88v, for poor USB cables
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WriteReg(0x16, 0x05); // set input current limit to 2000mA
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WriteReg(0x24, 0x01); // set Vsys for PWROFF threshold to 3.2V (default - 2.6V and kill battery)
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WriteReg(0x50, 0x14); // set TS pin to EXTERNAL input (not temperature)
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}
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int Axp2101::GetBatteryCurrentDirection() {
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return (ReadReg(0x01) & 0b01100000) >> 5;
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}
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bool Axp2101::IsCharging() {
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return GetBatteryCurrentDirection() == 1;
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}
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bool Axp2101::IsDischarging() {
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return GetBatteryCurrentDirection() == 2;
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}
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bool Axp2101::IsChargingDone() {
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uint8_t value = ReadReg(0x01);
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return (value & 0b00000111) == 0b00000100;
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}
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int Axp2101::GetBatteryLevel() {
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return ReadReg(0xA4);
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}
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void Axp2101::PowerOff() {
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uint8_t value = ReadReg(0x10);
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value = value | 0x01;
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WriteReg(0x10, value);
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}
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