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https://github.com/ByteWelder/Tactility.git
synced 2026-02-18 19:03:16 +00:00
39 lines
1.7 KiB
C++
39 lines
1.7 KiB
C++
#include <Axp192.h>
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static std::shared_ptr<Axp192> axp192 = nullptr;
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std::shared_ptr<Axp192> createAxp192() {
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assert(axp192 == nullptr);
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auto configuration = std::make_unique<Axp192::Configuration>(I2C_NUM_0);
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axp192 = std::make_shared<Axp192>(std::move(configuration));
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return axp192;
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}
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std::shared_ptr<Axp192> getAxp192() {
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assert(axp192 != nullptr);
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return axp192;
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}
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bool initAxp() {
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const auto axp = createAxp192();
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return axp->init([](auto* driver) {
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// Reference: https://github.com/pr3y/Bruce/blob/main/lib/utility/AXP192.cpp
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axp192_ioctl(driver, AXP192_LDO23_VOLTAGE, 3300); // LCD backlight
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axp192_ioctl(driver, AXP192_ADC_ENABLE_1, 0xff); // Set all ADC enabled
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axp192_ioctl(driver, AXP192_CHARGE_CONTROL_1, 0xc0); // Battery charging at 4.2 V and 100 mA
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axp192_ioctl(driver, AXP192_ADC_ENABLE_1, 0xff); // Enable battery, AC in, Vbus, APS ADC
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uint8_t buffer;
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axp192_read(driver, AXP192_DCDC13_LDO23_CONTROL, &buffer);
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axp192_ioctl(driver, AXP192_DCDC13_LDO23_CONTROL, buffer | 0x4D); // Enable Ext, LDO2, LDO3, DCDC1
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axp192_ioctl(driver, AXP192_PEK, 0x0C); // 128 ms power on, 4 s power off
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axp192_ioctl(driver, AXP192_GPIO0_LDOIO0_VOLTAGE, 0xF0); // 3.3 V RTC voltage
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axp192_ioctl(driver, AXP192_GPIO0_CONTROL, 0x02); // Set GPIO0 to LDO
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axp192_ioctl(driver, AXP192_VBUS_IPSOUT_CHANNEL, 0x80); // Disable Vbus hold limit
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axp192_ioctl(driver, AXP192_BATTERY_CHARGE_HIGH_TEMP, 0xFC); // Set temperature protection
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axp192_ioctl(driver, AXP192_BATTERY_CHARGE_CONTROL, 0xA2); // Enable RTC BAT charge
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axp192_ioctl(driver, AXP192_SHUTDOWN_BATTERY_CHGLED_CONTROL, 0x46); // Enable bat detection
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return true;
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});
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}
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