#include "axp192.h"
#include "axp192_i2c.h"
#include "stdio.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"

Macros
#define	VALUE_LIMIT(x, min, max) (((x) < min) ? min : (((x) > max) ? max : (x)))

Functions
void	Axp192_Init ()
	Initializes the AXP192 over I2C. More...

void	Axp192_EnableLDODCExt (uint8_t value)
	Extends the DC voltage range of the Low-Dropout regulator (LDO) on the AXP192. More...

void	Axp192_EnableExten (uint8_t state)
	Enables or disables extending the Low-Dropout (LDO) voltage on the AXP192. More...

void	Axp192_EnableLDO2 (uint8_t state)
	Enables or disables Low-Dropout (LDO) 2 on the AXP192. More...

void	Axp192_EnableLDO3 (uint8_t state)
	Enables or disables Low-Dropout (LDO) 3 on the AXP192. More...

void	Axp192_EnableDCDC1 (uint8_t state)
	Enables or disables DC/DC 1 Buck Boost converter on the AXP192. More...

void	Axp192_EnableDCDC2 (uint8_t state)
	Enables or disables DC/DC 2 Buck Boost converter on the AXP192. More...

void	Axp192_EnableDCDC3 (uint8_t state)
	Enables or disables DC/DC 3 Buck Boost converter. More...

void	Axp192_SetLDO23Volt (uint16_t ldo2_voltage, uint16_t ldo3_voltage)
	Set both LDO 2 and LDO 3 voltage on the AXP192. More...

void	Axp192_SetLDO2Volt (uint16_t voltage)
	Set the LDO 2 voltage on the AXP192. More...

void	Axp192_SetLDO3Volt (uint16_t voltage)
	Set the Low-Dropout (LDO) 3 voltage on the AXP192. More...

void	Axp192_SetDCDC1Volt (uint16_t voltage)
	Set the DC/DC 1 Buck Boost converter voltage on the AXP192. More...

void	Axp192_SetDCDC2Volt (uint16_t voltage)
	Set the DC/DC 2 Buck Boost converter voltage on the AXP192. More...

void	Axp192_SetDCDC3Volt (uint16_t voltage)
	Set the DC/DC 3 Buck Boost converter voltage on the AXP192. More...

void	Axp192_SetVoffVolt (uint16_t voltage)
	Set the battery low-voltage to cut-off on the AXP192. More...

void	Axp192_EnablePWRONShortWake ()
	Enable sleep and short wake mode on AXP192. More...

float	Axp192_GetVbusVolt ()
	Gets VBUS voltage on the AXP192. More...

float	Axp192_GetAcinVolt ()
	Gets ACIN voltage on the AXP192. More...

float	Axp192_GetBatVolt ()
	Gets battery voltage on the AXP192. More...

float	Axp192_GetVbusCurrent ()
	Gets VBUS current flowing through the AXP192. More...

float	Axp192_GetAcinCurrent ()
	Gets ACIN current flowing through the AXP192. More...

float	Axp192_GetBatCurrent ()
	Gets battery current flowing through the AXP192. More...

void	Axp192_EnableCharge (uint16_t state)
	Enables or disables the battery charging circuit on the AXP192. More...

void	Axp192_SetChargeVoltage (Axp192_ChargeVolt_t volt)
	Set the battery charge voltage on the AXP192. More...

void	Axp192_SetChargeCurrent (Axp192_ChargeCurrent_t cur)
	Set the battery charge current on the AXP192. More...

void	Axp192_SetSpareBatCharge (uint8_t enable, Axp192_SpareChargeVolt_t volt, Axp192_SpareChargeCurrent_t current)

void	Axp192_GetApsVoltage ()

void	Axp192_GetInternalTemp ()

void	Axp192_SetAdc1Enable (uint8_t value)
	Enables or disables the ADC on the AXP192. More...

void	Axp192_SetAdc2Enable ()

void	Axp192_IsBatIn ()

void	Axp192_IsCharging ()

void	Axp192_PowerOff ()
	Powers down the device. More...

void	Axp192_SetPressPoweroffTime (Axp192_PoweroffTime_t time)
	Sets how long the power button needs to be held to power off all components connected to the AXP192. More...

void	Axp192_SetPressStartupTime (Axp192_StartupTime_t time)
	Sets how long the power button needs to be held to power on all components connected to the AXP192. More...

void	Axp192_WriteDataStash ()

void	Axp192_ReadDataStash ()

void	Axp192_SetGPIO3Mode ()

void	Axp192_SetGPIO0Mode (uint8_t mode)
	Sets the mode of GPIO 0 on the AXP192. More...

void	Axp192_SetGPIO0Volt (uint16_t volt)
	Sets the voltage of GPIO 0 on the AXP192. More...

void	Axp192_SetGPIO1Mode (uint8_t mode)
	Sets the mode of GPIO 1 on the AXP192. More...

void	Axp192_SetGPIO1Level (uint8_t level)
	Sets the average voltage level of GPIO 1 on the AXP192 if the mode is set to PWM. More...

void	Axp192_SetGPIO2Mode (uint8_t mode)
	Sets the mode of GPIO 2 on the AXP192. More...

void	Axp192_SetGPIO2Level (uint8_t level)
	Sets the average voltage level of GPIO 2 on the AXP192 if the mode is set to PWM. More...

void	Axp192_SetGPIO4Mode (uint8_t mode)
	Sets the mode of GPIO 4 on the AXP192 for charging control. More...

void	Axp192_SetGPIO4Level (uint8_t level)
	Sets the signal status level of GPIO 4. More...

Macro Definition Documentation

◆ VALUE_LIMIT

#define VALUE_LIMIT	(	x,
		min,
		max
	)	(((x) < min) ? min : (((x) > max) ? max : (x)))

Function Documentation

◆ Axp192_Init()

void Axp192_Init ( )

Initializes the AXP192 over I2C.

It is a wrapper to Axp192_I2CInit().

◆ Axp192_EnableLDODCExt()

void Axp192_EnableLDODCExt ( uint8_t value )

Extends the DC voltage range of the Low-Dropout regulator (LDO) on the AXP192.

Parameters

[in] value Desired voltage of the LDO.

◆ Axp192_EnableExten()

void Axp192_EnableExten ( uint8_t state )

Enables or disables extending the Low-Dropout (LDO) voltage on the AXP192.

Parameters

[in] state Desired state of LDO extention. 1 to enable, 0 to disable.

◆ Axp192_EnableLDO2()

void Axp192_EnableLDO2 ( uint8_t state )

Enables or disables Low-Dropout (LDO) 2 on the AXP192.

Parameters

[in] state Desired state of LDO 2. 1 to enable, 0 to disable.

◆ Axp192_EnableLDO3()

void Axp192_EnableLDO3 ( uint8_t state )

Enables or disables Low-Dropout (LDO) 3 on the AXP192.

Parameters

[in] state Desired state of LDO 3. 1 to enable, 0 to disable.

◆ Axp192_EnableDCDC1()

void Axp192_EnableDCDC1 ( uint8_t state )

Enables or disables DC/DC 1 Buck Boost converter on the AXP192.

Parameters

[in] state Desired state of DC/DC 1. 1 to enable, 0 to disable.

◆ Axp192_EnableDCDC2()

void Axp192_EnableDCDC2 ( uint8_t state )

Enables or disables DC/DC 2 Buck Boost converter on the AXP192.

Parameters

[in] state Desired state of DC/DC 2. 1 to enable, 0 to disable.

◆ Axp192_EnableDCDC3()

void Axp192_EnableDCDC3 ( uint8_t state )

Enables or disables DC/DC 3 Buck Boost converter.

Parameters

[in] state Desired state of DC/DC 3. 1 to enable, 0 to disable.

◆ Axp192_SetLDO23Volt()

void Axp192_SetLDO23Volt	(	uint16_t	ldo2_voltage,
		uint16_t	ldo3_voltage
	)

Set both LDO 2 and LDO 3 voltage on the AXP192.

Parameters

[in]	ldo2_voltage	Desired voltage of LDO 2.
[in]	ldo3_voltage	Desired voltage of LDO 3.

◆ Axp192_SetLDO2Volt()

void Axp192_SetLDO2Volt ( uint16_t voltage )

Set the LDO 2 voltage on the AXP192.

Parameters

[in] voltage Desired voltage of LDO 2.

◆ Axp192_SetLDO3Volt()

void Axp192_SetLDO3Volt ( uint16_t voltage )

Set the Low-Dropout (LDO) 3 voltage on the AXP192.

Parameters

[in] voltage Desired voltage of LDO 3.

◆ Axp192_SetDCDC1Volt()

void Axp192_SetDCDC1Volt ( uint16_t voltage )

Set the DC/DC 1 Buck Boost converter voltage on the AXP192.

Parameters

[in] voltage Desired voltage of DC/DC 1.

◆ Axp192_SetDCDC2Volt()

void Axp192_SetDCDC2Volt ( uint16_t voltage )

Set the DC/DC 2 Buck Boost converter voltage on the AXP192.

Parameters

[in] voltage Desired voltage of DC/DC 2.

◆ Axp192_SetDCDC3Volt()

void Axp192_SetDCDC3Volt ( uint16_t voltage )

Set the DC/DC 3 Buck Boost converter voltage on the AXP192.

Parameters

[in] voltage Desired voltage of DC/DC 3.

◆ Axp192_SetVoffVolt()

void Axp192_SetVoffVolt ( uint16_t voltage )

Set the battery low-voltage to cut-off on the AXP192.

Note: This value should not be set lower than the 3.0v default to avoid damaging the built-in battery.

Parameters

[in] voltage Low battery cut-off voltage.

◆ Axp192_EnablePWRONShortWake()

void Axp192_EnablePWRONShortWake ( )

Enable sleep and short wake mode on AXP192.

◆ Axp192_GetVbusVolt()

float Axp192_GetVbusVolt ( )

Gets VBUS voltage on the AXP192.

Returns: The voltage from the VBUS power source.

◆ Axp192_GetAcinVolt()

float Axp192_GetAcinVolt ( )

Gets ACIN voltage on the AXP192.

Returns: The voltage of the ACIN power source.

◆ Axp192_GetBatVolt()

float Axp192_GetBatVolt ( )

Gets battery voltage on the AXP192.

Returns: The voltage of the battery power source.

◆ Axp192_GetVbusCurrent()

float Axp192_GetVbusCurrent ( )

Gets VBUS current flowing through the AXP192.

Returns: The current usage of the VBUS power source.

◆ Axp192_GetAcinCurrent()

float Axp192_GetAcinCurrent ( )

Gets ACIN current flowing through the AXP192.

Returns: The current usage of ACIN power source.

◆ Axp192_GetBatCurrent()

float Axp192_GetBatCurrent ( )

Gets battery current flowing through the AXP192.

Returns: The current usage of battery power source.

◆ Axp192_EnableCharge()

void Axp192_EnableCharge ( uint16_t state )

Enables or disables the battery charging circuit on the AXP192.

Parameters

[in] state Desired state of the battery charging circuit. 1 to enable, 0 to disable.

◆ Axp192_SetChargeVoltage()

void Axp192_SetChargeVoltage ( Axp192_ChargeVolt_t volt )

Set the battery charge voltage on the AXP192.

Note: This is the voltage applied to the battery for charging. This is not the voltage of the battery. Default is 4.2v.

Parameters

[in] volt Desired voltage to charge the battery.

◆ Axp192_SetChargeCurrent()

void Axp192_SetChargeCurrent ( Axp192_ChargeCurrent_t cur )

Set the battery charge current on the AXP192.

Note: This is the current applied to the battery for charging. This is not the current of the battery. Default is 100mA.

Parameters

[in] cur Desired current to charge the battery.

◆ Axp192_SetSpareBatCharge()

void Axp192_SetSpareBatCharge	(	uint8_t	enable,
		Axp192_SpareChargeVolt_t	volt,
		Axp192_SpareChargeCurrent_t	current
	)

◆ Axp192_GetApsVoltage()

void Axp192_GetApsVoltage ( )

◆ Axp192_GetInternalTemp()

void Axp192_GetInternalTemp ( )

◆ Axp192_SetAdc1Enable()

void Axp192_SetAdc1Enable ( uint8_t value )

Enables or disables the ADC on the AXP192.

Parameters

[in] value Desired value of the ADC.

◆ Axp192_SetAdc2Enable()

void Axp192_SetAdc2Enable ( )

◆ Axp192_IsBatIn()

void Axp192_IsBatIn ( )

◆ Axp192_IsCharging()

void Axp192_IsCharging ( )

◆ Axp192_PowerOff()

void Axp192_PowerOff ( )

Powers down the device.

Note: Since the microcontroller and all the peripherals are powered by the AXP192, calling this function powers down the device.

◆ Axp192_SetPressPoweroffTime()

void Axp192_SetPressPoweroffTime ( Axp192_PoweroffTime_t time )

Sets how long the power button needs to be held to power off all components connected to the AXP192.

Note: The default is POWEROFF_6S (6 seconds).

Parameters

[in] time Desired time to hold the power button to turn off power.

◆ Axp192_SetPressStartupTime()

void Axp192_SetPressStartupTime ( Axp192_StartupTime_t time )

Sets how long the power button needs to be held to power on all components connected to the AXP192.

Default is STARTUP_128mS (128 milliseconds).

Parameters

[in] time Desired time to hold the power button to turn on power.

◆ Axp192_WriteDataStash()

void Axp192_WriteDataStash ( )

◆ Axp192_ReadDataStash()

void Axp192_ReadDataStash ( )

◆ Axp192_SetGPIO3Mode()

void Axp192_SetGPIO3Mode ( )

◆ Axp192_SetGPIO0Mode()

void Axp192_SetGPIO0Mode ( uint8_t mode )

Sets the mode of GPIO 0 on the AXP192.

Parameters

[in] mode Desired mode of GPIO 0. 0 for Low-Dropout, 1 for ADC input. Default value for the Core2 for AWS is 0, and not meant to be changed.

◆ Axp192_SetGPIO0Volt()

void Axp192_SetGPIO0Volt ( uint16_t volt )

Sets the voltage of GPIO 0 on the AXP192.

Parameters

[in] volt Desired voltage of GPIO 0. Default value for the Core2 for AWS is 3300mV.

◆ Axp192_SetGPIO1Mode()

void Axp192_SetGPIO1Mode ( uint8_t mode )

Sets the mode of GPIO 1 on the AXP192.

Parameters

[in] mode Desired mode of GPIO 1. 0 for PWM, 1 for ADC input. Default value for the Core2 for AWS is 1, and not meant to be changed.

◆ Axp192_SetGPIO1Level()

void Axp192_SetGPIO1Level ( uint8_t level )

Sets the average voltage level of GPIO 1 on the AXP192 if the mode is set to PWM.

Parameters

[in] level Desired average voltage level of GPIO 1.

◆ Axp192_SetGPIO2Mode()

void Axp192_SetGPIO2Mode ( uint8_t mode )

Sets the mode of GPIO 2 on the AXP192.

Parameters

[in] mode Desired mode of GPIO 2. 0 for PWM, 1 for ADC input. Default value for the Core2 for AWS is 1, and not meant to be changed.

◆ Axp192_SetGPIO2Level()

void Axp192_SetGPIO2Level ( uint8_t level )

Sets the average voltage level of GPIO 2 on the AXP192 if the mode is set to PWM.

Parameters

[in] level Desired average voltage level of GPIO 2.

◆ Axp192_SetGPIO4Mode()

void Axp192_SetGPIO4Mode ( uint8_t mode )

Sets the mode of GPIO 4 on the AXP192 for charging control.

Parameters

[in] mode Desired mode of GPIO 4. 0 for NMOS open-drain ouput, 1 for universal input. Default value for the Core2 for AWS is 1, and not meant to be changed.

◆ Axp192_SetGPIO4Level()

void Axp192_SetGPIO4Level ( uint8_t level )

Sets the signal status level of GPIO 4.

Parameters

[in] level Desired signal status level of GPIO 4.

Macros

Functions

Macro Definition Documentation

◆ VALUE_LIMIT

Function Documentation

◆ Axp192_Init()

◆ Axp192_EnableLDODCExt()

◆ Axp192_EnableExten()

◆ Axp192_EnableLDO2()

◆ Axp192_EnableLDO3()

◆ Axp192_EnableDCDC1()

◆ Axp192_EnableDCDC2()

◆ Axp192_EnableDCDC3()

◆ Axp192_SetLDO23Volt()

◆ Axp192_SetLDO2Volt()

◆ Axp192_SetLDO3Volt()

◆ Axp192_SetDCDC1Volt()

◆ Axp192_SetDCDC2Volt()

◆ Axp192_SetDCDC3Volt()

◆ Axp192_SetVoffVolt()

◆ Axp192_EnablePWRONShortWake()

◆ Axp192_GetVbusVolt()

◆ Axp192_GetAcinVolt()

◆ Axp192_GetBatVolt()

◆ Axp192_GetVbusCurrent()

◆ Axp192_GetAcinCurrent()

◆ Axp192_GetBatCurrent()

◆ Axp192_EnableCharge()

◆ Axp192_SetChargeVoltage()

◆ Axp192_SetChargeCurrent()

◆ Axp192_SetSpareBatCharge()

◆ Axp192_GetApsVoltage()

◆ Axp192_GetInternalTemp()

◆ Axp192_SetAdc1Enable()

◆ Axp192_SetAdc2Enable()

◆ Axp192_IsBatIn()

◆ Axp192_IsCharging()

◆ Axp192_PowerOff()

◆ Axp192_SetPressPoweroffTime()

◆ Axp192_SetPressStartupTime()

◆ Axp192_WriteDataStash()

◆ Axp192_ReadDataStash()

◆ Axp192_SetGPIO3Mode()

◆ Axp192_SetGPIO0Mode()

◆ Axp192_SetGPIO0Volt()

◆ Axp192_SetGPIO1Mode()

◆ Axp192_SetGPIO1Level()

◆ Axp192_SetGPIO2Mode()

◆ Axp192_SetGPIO2Level()

◆ Axp192_SetGPIO4Mode()

◆ Axp192_SetGPIO4Level()