LPM

结构体
struct	lpm_dev_ops_t
	The peripheral device operation functions. 更多...

类型定义
typedef void(*	lpm_clock_init_callback) (void)

枚举
enum	lpm_dev_id_t {   DEV_ADC , DEV_I2C , DEV_DMA , DEV_SPI ,   DEV_QSPI , DEV_UART , DEV_CAP , DEV_OPI ,   DEV_PSRAM , DEV_IR , DEV_EMMC , DEV_SDIO ,   DEV_DSS , DEV_GPU , DEV_PCIE , DEV_PWM ,   DEV_MAX }
	Peripheral device ID. 更多...
enum	lpm_ret_t {   LPM_RET_OK = 0 , LPM_RET_NOREG , LPM_RET_ON , LPM_RET_OFF ,   LPM_RET_ERR , LPM_RET_UNINIT , LPM_RET_MAX }
	Function return value. 更多...

函数
bool	lpm_dev_ops_init (void)
	The peripheral device operations init.
bool	lpm_dev_ops_deinit (void)
	The peripheral device operations deinit.
bool	lpm_dev_ops_register (lpm_dev_id_t id, lpm_dev_ops_t *ops)
	Register low-power operation interface of the peripheral device.
bool	lpm_dev_ops_unregister (lpm_dev_id_t id)
	Deregister low-power operation interface of the peripheral device.
int	lpm_dev_ops_update (lpm_dev_id_t id, lpm_dev_ops_t *ops)
	Update the operation function of the device.
int	lpm_dev_power_on (lpm_dev_id_t id, bool on)
	Power on or power off the peripheral device.
int	lpm_dev_get_power_sts (lpm_dev_id_t id)
	Get the power status of peripheral Devices.
int	lpm_dev_set_voltage (lpm_dev_id_t id, int vset)
	Config the peripheral device voltage.
int	lpm_dev_get_voltage (lpm_dev_id_t id)
	Get the voltage of peripheral device.
int	lpm_dev_clock_en (lpm_dev_id_t id, bool on)
	Enable or disable the device clock switch.
int	lpm_dev_get_clock_sts (lpm_dev_id_t id)
	Get the device clock switch status.
int	lpm_dev_set_freq (lpm_dev_id_t id, int freq)
	Set the clock frequency of the peripheral device.
int	lpm_dev_get_freq (lpm_dev_id_t id)
	Get the clock frequency of the peripheral device.
int	lpm_dev_set_div_num (lpm_dev_id_t id, int clk_div)
	Set the divider number of the peripheral device clock.
int	lpm_dev_get_div_num (lpm_dev_id_t id)
	Get the divider number of the peripheral device clock.
int	lpm_dev_sub_bus_clken (lpm_dev_id_t id, int bus, bool on)
	Enables or disables the clock of a subdevice.
void	lpm_display_clocks_init_register_callback (lpm_clock_init_callback callback)
	Registering the callback function for clock initialization configuration of the display module.
void	lpm_display_clocks_init (void)
	Clock initialization configuration of the display module.

详细描述

类型定义说明

lpm_clock_init_callback

typedef void(* lpm_clock_init_callback) (void)

枚举类型说明

lpm_dev_id_t

enum lpm_dev_id_t

Peripheral device ID.

枚举值
DEV_ADC
DEV_I2C
DEV_DMA
DEV_SPI
DEV_QSPI
DEV_UART
DEV_CAP
DEV_OPI
DEV_PSRAM
DEV_IR
DEV_EMMC
DEV_SDIO
DEV_DSS
DEV_GPU
DEV_PCIE
DEV_PWM
DEV_MAX

lpm_ret_t

enum lpm_ret_t

Function return value.

枚举值
LPM_RET_OK	Run successfully.
LPM_RET_NOREG	Not register.
LPM_RET_ON	The switch status is ON.
LPM_RET_OFF	The switch status is OFF.
LPM_RET_ERR	Run error.
LPM_RET_UNINIT	Uninitialized.
LPM_RET_MAX

函数说明

lpm_dev_clock_en()

int lpm_dev_clock_en	(	lpm_dev_id_t	id,
		bool	on
	)

Enable or disable the device clock switch.

参数

id	Peripheral device ID.
on	Enable or disable.

返回

Success or not, for details, refer to lpm_ret_t.

lpm_dev_get_clock_sts()

int lpm_dev_get_clock_sts

(

lpm_dev_id_t

id

)

Get the device clock switch status.

参数

id	Peripheral device ID.

返回

Clock enable status, for details, refer to lpm_ret_t.

lpm_dev_get_div_num()

int lpm_dev_get_div_num

(

lpm_dev_id_t

id

)

Get the divider number of the peripheral device clock.

参数

id	Peripheral device ID.

返回

Current divider number of the peripheral device clock.

lpm_dev_get_freq()

int lpm_dev_get_freq

(

lpm_dev_id_t

id

)

Get the clock frequency of the peripheral device.

参数

id	Peripheral device ID.

返回

Current frequency of the peripheral device.

lpm_dev_get_power_sts()

int lpm_dev_get_power_sts

(

lpm_dev_id_t

id

)

Get the power status of peripheral Devices.

参数

id	Peripheral device ID.

返回

Power status, for details, refer to lpm_ret_t.

lpm_dev_get_voltage()

int lpm_dev_get_voltage

(

lpm_dev_id_t

id

)

Get the voltage of peripheral device.

参数

id	Peripheral device ID.

返回

Current voltage of the peripheral device.

lpm_dev_ops_deinit()

bool lpm_dev_ops_deinit

(

void

)

The peripheral device operations deinit.

返回

Result of the operation, true indicates success, false for failed.

lpm_dev_ops_init()

bool lpm_dev_ops_init

(

void

)

The peripheral device operations init.

返回

Result of the operation, true indicates success, false for failed.

lpm_dev_ops_register()

bool lpm_dev_ops_register	(	lpm_dev_id_t	id,
		lpm_dev_ops_t *	ops
	)

Register low-power operation interface of the peripheral device.

参数

id	Peripheral device ID.
ops	Peripheral device operation methods.

返回

Result of the operation, true indicates success, false for failed.

lpm_dev_ops_unregister()

bool lpm_dev_ops_unregister

(

lpm_dev_id_t

id

)

Deregister low-power operation interface of the peripheral device.

参数

id	Peripheral device ID.

返回

Result of the operation, true indicates success, false for failed.

lpm_dev_ops_update()

int lpm_dev_ops_update	(	lpm_dev_id_t	id,
		lpm_dev_ops_t *	ops
	)

Update the operation function of the device.

参数

id	Peripheral device ID.
ops	ops Peripheral device operation methods.

返回

Success or not, for details, refer to lpm_ret_t.

lpm_dev_power_on()

int lpm_dev_power_on	(	lpm_dev_id_t	id,
		bool	on
	)

Power on or power off the peripheral device.

参数

id	Peripheral device ID.
on	Power on or Power off.

返回

Success or not, for details, refer to lpm_ret_t.

lpm_dev_set_div_num()

int lpm_dev_set_div_num	(	lpm_dev_id_t	id,
		int	clk_div
	)

Set the divider number of the peripheral device clock.

参数

id	Peripheral device ID.
clk_div	Divider number to be configured.

返回

Success or not, for details, refer to lpm_ret_t.

lpm_dev_set_freq()

int lpm_dev_set_freq	(	lpm_dev_id_t	id,
		int	freq
	)

Set the clock frequency of the peripheral device.

参数

id	Peripheral device ID.
freq	Frequency to be configured.

返回

Success or not, for details, refer to lpm_ret_t.

lpm_dev_set_voltage()

int lpm_dev_set_voltage	(	lpm_dev_id_t	id,
		int	vset
	)

Config the peripheral device voltage.

参数

id	Peripheral device ID.
vset	Voltage to be configured.

返回

Success or not, for details, refer to lpm_ret_t.

lpm_dev_sub_bus_clken()

int lpm_dev_sub_bus_clken	(	lpm_dev_id_t	id,
		int	bus,
		bool	on
	)

Enables or disables the clock of a subdevice.

参数

id	Peripheral device ID.
bus	Sub device bus number.
on	Enable or disable.

返回

Success or not, for details, refer to lpm_ret_t.

lpm_display_clocks_init()

void lpm_display_clocks_init

(

void

)

Clock initialization configuration of the display module.

lpm_display_clocks_init_register_callback()

void lpm_display_clocks_init_register_callback

(

lpm_clock_init_callback

callback

)

Registering the callback function for clock initialization configuration of the display module.

参数

callback

Callback function.