256 lines
7.6 KiB
C
256 lines
7.6 KiB
C
#include "axp192.h"
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bool pmic_common_init(busio_i2c_obj_t *i2c) {
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int rc;
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uint8_t write_buf[2];
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// Reg: 31h
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// VOFF Shutdown voltage setting ( 3.0V )
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write_buf[0] = AXP192_POWER_OFF_VOLTAGE;
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write_buf[1] = AXP192_POWER_OFF_VOLTAGE_3_0V;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 32h
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// Enable battery monitoring
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// N_OE shout down delay 2 seconds
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write_buf[0] = AXP192_POWER_OFF_BATT_CHGLED_CTRL;
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write_buf[1] = AXP192_POWER_OFF_BATT_CHGLED_CTRL_BATT_MONITOR_ON |
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AXP192_POWER_OFF_BATT_CHGLED_CTRL_N_OE_SHUTDOWN_DELAY_2_0S;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 35h
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// Enable RTC battery charge: 3.0V, 200uA
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write_buf[0] = AXP192_BACKUP_BATT;
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write_buf[1] = AXP192_BACKUP_BATT_CHARGING_ENABLE |
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AXP192_BACKUP_BATT_CHARGING_VOLTAGE_3_0V |
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AXP192_BACKUP_BATT_CHARGING_CURRENT_200uA;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 36h
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// Power on: Short press 128ms
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// Power off: Long press 1s
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// Power OK delay 64ms
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// Power off delay 4s
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write_buf[0] = AXP192_PEK;
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write_buf[1] = AXP192_PEK_SHORT_PRESS_128mS |
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AXP192_PEK_LONG_PRESS_1_0S |
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AXP192_PEK_LONG_PRESS_POWER_OFF |
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AXP192_PEK_PWROK_DELAY_64mS |
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AXP192_PEK_POWER_OFF_TIME_4S;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 3Ah
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// APS Low battery warning level 1: 3.695V
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write_buf[0] = AXP192_APS_LOW_BATT_LEVEL_1;
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write_buf[1] = AXP192_APS_LOW_BATT_VOLTAGE_3_695V;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 3Bh
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// APS Low battery warning level 2: 3.600V
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write_buf[0] = AXP192_APS_LOW_BATT_LEVEL_2;
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write_buf[1] = AXP192_APS_LOW_BATT_VOLTAGE_3_600V;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 82h
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// ADC all on
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write_buf[0] = AXP192_ADC_ENABLE_1;
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write_buf[1] = AXP192_ADC_ENABLE_1_BATT_VOL |
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AXP192_ADC_ENABLE_1_BATT_CUR |
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AXP192_ADC_ENABLE_1_ACIN_VOL |
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AXP192_ADC_ENABLE_1_ACIN_CUR |
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AXP192_ADC_ENABLE_1_VBUS_VOL |
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AXP192_ADC_ENABLE_1_VBUS_CUR |
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AXP192_ADC_ENABLE_1_APS_VOL |
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AXP192_ADC_ENABLE_1_TS_PIN;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 83h
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// ADC temperature on
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write_buf[0] = AXP192_ADC_ENABLE_2;
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write_buf[1] = AXP192_ADC_ENABLE_2_TEMP_MON;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 84h
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// ADC 25Hz
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write_buf[0] = AXP192_ADC_TS;
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write_buf[1] = AXP192_ADC_TS_SAMPLE_25HZ |
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AXP192_ADC_TS_OUT_CUR_80uA |
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AXP192_ADC_TS_PIN_TEMP_MON |
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AXP192_ADC_TS_PIN_OUT_SAVE_ENG;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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return true;
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}
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bool pmic_disable_all_irq(busio_i2c_obj_t *i2c) {
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int rc;
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uint8_t write_buf[2];
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// Reg: 40h
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// IRQ enable control register 1
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write_buf[0] = AXP192_IRQ_1_ENABLE;
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write_buf[1] = AXP192_IRQ_X_DISABLE_ALL;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 41h
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// IRQ enable control register 2
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write_buf[0] = AXP192_IRQ_2_ENABLE;
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write_buf[1] = AXP192_IRQ_X_DISABLE_ALL;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 42h
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// IRQ enable control register 3
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// Enable power on key short and long press interrupt
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write_buf[0] = AXP192_IRQ_3_ENABLE;
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write_buf[1] = AXP192_IRQ_X_DISABLE_ALL;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 43h
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// IRQ enable control register 4
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// Enable power on key short and long press interrupt
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write_buf[0] = AXP192_IRQ_4_ENABLE;
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write_buf[1] = AXP192_IRQ_X_DISABLE_ALL;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 4Ah
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// IRQ enable control register 5
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write_buf[0] = AXP192_IRQ_5_ENABLE;
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write_buf[1] = AXP192_IRQ_X_DISABLE_ALL;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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return true;
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}
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bool pmic_clear_all_irq(busio_i2c_obj_t *i2c) {
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int rc;
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uint8_t write_buf[2];
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// Reg: 44h
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// IRQ enable control register 1
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write_buf[0] = AXP192_IRQ_1_STATUS;
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write_buf[1] = AXP192_IRQ_X_CLEAR_STATUS;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 45h
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// IRQ enable control register 2
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write_buf[0] = AXP192_IRQ_2_STATUS;
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write_buf[1] = AXP192_IRQ_X_CLEAR_STATUS;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 46h
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// IRQ enable control register 3
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write_buf[0] = AXP192_IRQ_3_STATUS;
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write_buf[1] = AXP192_IRQ_X_CLEAR_STATUS;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 47h
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// IRQ enable control register 4
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write_buf[0] = AXP192_IRQ_4_STATUS;
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write_buf[1] = AXP192_IRQ_X_CLEAR_STATUS;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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// Reg: 4Ah
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// IRQ enable control register 5
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write_buf[0] = AXP192_IRQ_5_STATUS;
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write_buf[1] = AXP192_IRQ_X_CLEAR_STATUS;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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return true;
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}
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bool pmic_enable_power_key_press_irq(busio_i2c_obj_t *i2c) {
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int rc;
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uint8_t read_buf[1];
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uint8_t write_buf[2];
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// Reg: 42h
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// IRQ enable control register 3
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// Enable power on key short and long press interrupt
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write_buf[0] = AXP192_IRQ_2_ENABLE;
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rc = common_hal_busio_i2c_write_read(i2c, AXP192_I2C_ADDRESS, write_buf, 1, read_buf, sizeof(read_buf));
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if (rc != 0) {
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return false;
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}
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write_buf[1] = read_buf[0] | AXP192_IRQ_3_PEK_SHORT_PRESS | AXP192_IRQ_3_PEK_LONG_PRESS;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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return true;
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}
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bool pmic_enable_low_battery_irq(busio_i2c_obj_t *i2c) {
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int rc;
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uint8_t write_buf[2];
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// Reg: 43h
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// IRQ enable control register 4
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// Enable power on key short and long press interrupt
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write_buf[0] = AXP192_IRQ_2_ENABLE;
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write_buf[1] = AXP192_IRQ_4_LOW_VOLTAGE_WARNING;
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rc = common_hal_busio_i2c_write(i2c, AXP192_I2C_ADDRESS, write_buf, sizeof(write_buf));
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if (rc != 0) {
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return false;
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}
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return true;
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}
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