#include <stdlib.h>
#include "max20362.h"
#include "no_os_delay.h"
#include "no_os_alloc.h"
#include "no_os_gpio.h"
#include "no_os_util.h"

Include dependency graph for max20362.c:

Functions
int	max20362_reg_write (struct max20362_dev *dev, uint8_t reg, uint8_t val)
	Write register.

int	max20362_reg_read (struct max20362_dev dev, uint8_t reg, uint8_t val)
	Read register.

int	max20362_reg_update_bits (struct max20362_dev *dev, uint8_t reg, uint8_t mask, uint8_t val)
	Modify register bits.

int	max20362_init (struct max20362_dev *device, const struct max20362_init_param init_param)
	Initialize MAX20362 device.

int	max20362_remove (struct max20362_dev *dev)
	Free resources and remove device.

int	max20362_enable_buck_boost (struct max20362_dev *dev, bool enable)
	Enable/disable buck-boost converter.

int	max20362_set_buck_boost_voltage (struct max20362_dev *dev, uint32_t microvolts)
	Set buck-boost output voltage.

int	max20362_config_buck_boost_mode (struct max20362_dev *dev, bool half_bw, bool low_emi, bool fast_fpwm)
	Configure buck-boost operating parameters.

int	max20362_config_buck_boost_discharge (struct max20362_dev *dev, bool active_discharge, bool passive_discharge)
	Configure buck-boost discharge modes.

int	max20362_enable_ldo (struct max20362_dev *dev, bool enable)
	Enable/disable LDO regulator.

int	max20362_set_ldo_voltage (struct max20362_dev *dev, uint32_t microvolts)
	Set LDO output voltage.

int	max20362_config_ldo_mode (struct max20362_dev *dev, bool low_iq_mode, bool passive_discharge, bool active_discharge)
	Configure LDO operating modes.

int	max20362_set_ldo_input_source (struct max20362_dev *dev, enum max20362_ldo_source source)
	Set LDO input source.

int	max20362_set_dvs_mode (struct max20362_dev *dev, enum max20362_dvs_source source)
	Set DVS operating mode.

int	max20362_set_dvs_rr_table (struct max20362_dev dev, const uint32_t voltages_uv, uint8_t count)
	Configure DVS round-robin voltage table.

int	max20362_set_rr_wrap (struct max20362_dev *dev, bool enable)
	Set round-robin wrap mode.

int	max20362_set_rr_clk_polarity (struct max20362_dev *dev, bool rising_edge)
	Set round-robin clock polarity.

int	max20362_set_rr_timeout_reset (struct max20362_dev *dev, bool enable)
	Set round-robin timeout reset behavior.

int	max20362_set_cap_voltage (struct max20362_dev *dev, uint32_t microvolts, uint8_t step_size)
	Set energy storage capacitor voltage.

int	max20362_set_input_current_limit (struct max20362_dev *dev, uint8_t ma)
	Set input current limit.

int	max20362_set_bbat_vdrop (struct max20362_dev *dev, enum max20362_bbat_vdrop vdrop)
	Set battery voltage droop.

int	max20362_get_status (struct max20362_dev dev, uint8_t status)
	Read fault status flags.

int	max20362_get_int_status (struct max20362_dev dev, uint8_t status)
	Read main interrupt status.

int	max20362_get_ldo_int_status (struct max20362_dev dev, uint8_t status)
	Read LDO interrupt status.

int	max20362_get_ingen_int_status (struct max20362_dev dev, uint8_t status)
	Read Ingenuity interrupt status.

int	max20362_set_int_mask (struct max20362_dev *dev, uint8_t mask)
	Set main interrupt mask.

int	max20362_set_ldo_int_mask (struct max20362_dev *dev, uint8_t mask)
	Set LDO interrupt mask.

int	max20362_set_ingen_int_mask (struct max20362_dev *dev, uint8_t mask)
	Set Ingenuity interrupt mask.

int	max20362_clear_all_interrupts (struct max20362_dev *dev)
	Clear all interrupt flags.

int	max20362_unlock_registers (struct max20362_dev *dev)
	Unlock write protection for protected registers.

int	max20362_lock_registers (struct max20362_dev *dev)
	Lock write protection for protected registers.

Function Documentation

◆ max20362_clear_all_interrupts()

int max20362_clear_all_interrupts ( struct max20362_dev * dev )

Clear all interrupt flags.

Parameters

dev	- Device structure

Returns: 0 on success, negative error code otherwise

◆ max20362_config_buck_boost_discharge()

int max20362_config_buck_boost_discharge	(	struct max20362_dev *	dev,
		bool	active_discharge,
		bool	passive_discharge )

Configure buck-boost discharge modes.

Parameters

dev	- Device structure
active_discharge	- Active discharge enable
passive_discharge	- Passive discharge enable

Returns: 0 on success, negative error code otherwise

◆ max20362_config_buck_boost_mode()

int max20362_config_buck_boost_mode	(	struct max20362_dev *	dev,
		bool	half_bw,
		bool	low_emi,
		bool	fast_fpwm )

Configure buck-boost operating parameters.

Parameters

dev	- Device structure
half_bw	- Half bandwidth mode enable
low_emi	- Low EMI mode enable
fast_fpwm	- Fast FPWM mode enable

Returns: 0 on success, negative error code otherwise

◆ max20362_config_ldo_mode()

int max20362_config_ldo_mode	(	struct max20362_dev *	dev,
		bool	low_iq_mode,
		bool	passive_discharge,
		bool	active_discharge )

Configure LDO operating modes.

Parameters

dev	- Device structure
low_iq_mode	- Low quiescent current mode
passive_discharge	- Passive discharge enable
active_discharge	- Active discharge enable

Returns: 0 on success, negative error code otherwise

◆ max20362_enable_buck_boost()

int max20362_enable_buck_boost	(	struct max20362_dev *	dev,
		bool	enable )

Enable/disable buck-boost converter.

Parameters

dev	- Device structure
enable	- Enable flag

Returns: 0 on success, negative error code otherwise

◆ max20362_enable_ldo()

int max20362_enable_ldo	(	struct max20362_dev *	dev,
		bool	enable )

Enable/disable LDO regulator.

Parameters

dev	- Device structure
enable	- Enable flag

Returns: 0 on success, negative error code otherwise

◆ max20362_get_ingen_int_status()

int max20362_get_ingen_int_status	(	struct max20362_dev *	dev,
		uint8_t *	status )

Read Ingenuity interrupt status.

Parameters

dev	- Device structure
status	- Status byte pointer

Returns: 0 on success, negative error code otherwise

◆ max20362_get_int_status()

int max20362_get_int_status	(	struct max20362_dev *	dev,
		uint8_t *	status )

Read main interrupt status.

Parameters

dev	- Device structure
status	- Status byte pointer

Returns: 0 on success, negative error code otherwise

◆ max20362_get_ldo_int_status()

int max20362_get_ldo_int_status	(	struct max20362_dev *	dev,
		uint8_t *	status )

Read LDO interrupt status.

Parameters

dev	- Device structure
status	- Status byte pointer

Returns: 0 on success, negative error code otherwise

◆ max20362_get_status()

int max20362_get_status	(	struct max20362_dev *	dev,
		uint8_t *	status )

Read fault status flags.

Parameters

dev	- Device structure
status	- Pointer to store status register value

Returns: 0 on success, negative error code otherwise

◆ max20362_init()

int max20362_init	(	struct max20362_dev **	device,
		const struct max20362_init_param *	init_param )

Initialize MAX20362 device.

Parameters

device	- Pointer to device structure pointer
init_param	- Initialization parameters

Returns: 0 on success, negative error code otherwise

◆ max20362_lock_registers()

int max20362_lock_registers ( struct max20362_dev * dev )

Lock write protection for protected registers.

Parameters

dev	- Device structure

Returns: 0 on success, negative error code otherwise

◆ max20362_reg_read()

int max20362_reg_read	(	struct max20362_dev *	dev,
		uint8_t	reg,
		uint8_t *	val )

Read register.

Parameters

dev	- Device structure
reg	- Register address
val	- Pointer to store read value

Returns: 0 on success, negative error code otherwise

◆ max20362_reg_update_bits()

int max20362_reg_update_bits	(	struct max20362_dev *	dev,
		uint8_t	reg,
		uint8_t	mask,
		uint8_t	val )

Modify register bits.

Parameters

dev	- Device structure
reg	- Register address
mask	- Bit mask
val	- New value for masked bits

Returns: 0 on success, negative error code otherwise

◆ max20362_reg_write()

int max20362_reg_write	(	struct max20362_dev *	dev,
		uint8_t	reg,
		uint8_t	val )

Write register.

Parameters

dev	- Device structure
reg	- Register address
val	- Value to write

Returns: 0 on success, negative error code otherwise

◆ max20362_remove()

int max20362_remove ( struct max20362_dev * dev )

Free resources and remove device.

Parameters

dev	- Device structure pointer

Returns: 0 on success, negative error code otherwise

◆ max20362_set_bbat_vdrop()

int max20362_set_bbat_vdrop	(	struct max20362_dev *	dev,
		enum max20362_bbat_vdrop	vdrop )

Set battery voltage droop.

Parameters

dev	- Device structure
vdrop	- Voltage droop enum value

Returns: 0 on success, negative error code otherwise

◆ max20362_set_buck_boost_voltage()

int max20362_set_buck_boost_voltage	(	struct max20362_dev *	dev,
		uint32_t	microvolts )

Set buck-boost output voltage.

Parameters

dev	- Device structure
microvolts	- Voltage in microvolts (1.5V-5.5V, 50mV steps)

Returns: 0 on success, negative error code otherwise

◆ max20362_set_cap_voltage()

int max20362_set_cap_voltage	(	struct max20362_dev *	dev,
		uint32_t	microvolts,
		uint8_t	step_size )

Set energy storage capacitor voltage.

Parameters

dev	- Device structure
microvolts	- Voltage in microvolts (1.6V-9.5V)
step_size	- Step size (0=500mV, 1=250mV, 2=125mV)

Returns: 0 on success, negative error code otherwise

◆ max20362_set_dvs_mode()

int max20362_set_dvs_mode	(	struct max20362_dev *	dev,
		enum max20362_dvs_source	source )

Set DVS operating mode.

Parameters

dev	- Device structure
source	- DVS source enum

Returns: 0 on success, negative error code otherwise

◆ max20362_set_dvs_rr_table()

int max20362_set_dvs_rr_table	(	struct max20362_dev *	dev,
		const uint32_t *	voltages_uv,
		uint8_t	count )

Configure DVS round-robin voltage table.

Parameters

dev	- Device structure
voltages_uv	- Array of voltages in microvolts
count	- Number of voltages (1-20)

Returns: 0 on success, negative error code otherwise

◆ max20362_set_ingen_int_mask()

int max20362_set_ingen_int_mask	(	struct max20362_dev *	dev,
		uint8_t	mask )

Set Ingenuity interrupt mask.

Parameters

dev	- Device structure
mask	- Interrupt mask (1=mask/disable, 0=unmask/enable)

Returns: 0 on success, negative error code otherwise

◆ max20362_set_input_current_limit()

int max20362_set_input_current_limit	(	struct max20362_dev *	dev,
		uint8_t	ma )

Set input current limit.

Parameters

dev	- Device structure
ma	- Current limit in milliamps (5-50mA)

Returns: 0 on success, negative error code otherwise

◆ max20362_set_int_mask()

int max20362_set_int_mask	(	struct max20362_dev *	dev,
		uint8_t	mask )

Set main interrupt mask.

Parameters

dev	- Device structure
mask	- Interrupt mask (1=mask/disable, 0=unmask/enable)

Returns: 0 on success, negative error code otherwise

◆ max20362_set_ldo_input_source()

int max20362_set_ldo_input_source	(	struct max20362_dev *	dev,
		enum max20362_ldo_source	source )

Set LDO input source.

Parameters

dev	- Device structure
source	- LDO input source enum

Returns: 0 on success, negative error code otherwise

◆ max20362_set_ldo_int_mask()

int max20362_set_ldo_int_mask	(	struct max20362_dev *	dev,
		uint8_t	mask )

Set LDO interrupt mask.

Parameters

dev	- Device structure
mask	- Interrupt mask (1=mask/disable, 0=unmask/enable)

Returns: 0 on success, negative error code otherwise

◆ max20362_set_ldo_voltage()

int max20362_set_ldo_voltage	(	struct max20362_dev *	dev,
		uint32_t	microvolts )

Set LDO output voltage.

Parameters

dev	- Device structure
microvolts	- Voltage in microvolts (0.9V-4.0V, 100mV steps)

Returns: 0 on success, negative error code otherwise

◆ max20362_set_rr_clk_polarity()

int max20362_set_rr_clk_polarity	(	struct max20362_dev *	dev,
		bool	rising_edge )

Set round-robin clock polarity.

Parameters

dev	- Device structure
rising_edge	- true: rising edge active, false: falling edge active

Returns: 0 on success, negative error code otherwise

◆ max20362_set_rr_timeout_reset()

int max20362_set_rr_timeout_reset	(	struct max20362_dev *	dev,
		bool	enable )

Set round-robin timeout reset behavior.

Parameters

dev	- Device structure
enable	- true: timeout resets RR pointer, false: timeout does not reset

Returns: 0 on success, negative error code otherwise

◆ max20362_set_rr_wrap()

int max20362_set_rr_wrap	(	struct max20362_dev *	dev,
		bool	enable )

Set round-robin wrap mode.

Parameters

dev	- Device structure
enable	- true: wrap back to first entry, false: stay on last entry

Returns: 0 on success, negative error code otherwise

◆ max20362_unlock_registers()

int max20362_unlock_registers ( struct max20362_dev * dev )

Unlock write protection for protected registers.

Parameters

dev	- Device structure

Returns: 0 on success, negative error code otherwise

Functions

Function Documentation

◆ max20362_clear_all_interrupts()

◆ max20362_config_buck_boost_discharge()

◆ max20362_config_buck_boost_mode()

◆ max20362_config_ldo_mode()

◆ max20362_enable_buck_boost()

◆ max20362_enable_ldo()

◆ max20362_get_ingen_int_status()

◆ max20362_get_int_status()

◆ max20362_get_ldo_int_status()

◆ max20362_get_status()

◆ max20362_init()

◆ max20362_lock_registers()

◆ max20362_reg_read()

◆ max20362_reg_update_bits()

◆ max20362_reg_write()

◆ max20362_remove()

◆ max20362_set_bbat_vdrop()

◆ max20362_set_buck_boost_voltage()

◆ max20362_set_cap_voltage()

◆ max20362_set_dvs_mode()

◆ max20362_set_dvs_rr_table()

◆ max20362_set_ingen_int_mask()

◆ max20362_set_input_current_limit()

◆ max20362_set_int_mask()

◆ max20362_set_ldo_input_source()

◆ max20362_set_ldo_int_mask()

◆ max20362_set_ldo_voltage()

◆ max20362_set_rr_clk_polarity()

◆ max20362_set_rr_timeout_reset()

◆ max20362_set_rr_wrap()

◆ max20362_unlock_registers()