SDM driver APIs

SDM APIs. More...

Data Structures
struct	sdm_control_t
struct	sdm_channel_common_config_t
struct	sdm_comparator_config_t
struct	sdm_filter_config_t
struct	sdm_output_config_t

Macros
#define	SAMPLING_MODE_MASK   (0x7U)
#define	CHN_SAMPLING_MODE_SHIFT(ch)   ((ch) * 3U + SDM_CTRL_CHMD_SHIFT)
#define	CHN_SAMPLING_MODE_MASK(ch)   (SAMPLING_MODE_MASK << CHN_SAMPLING_MODE_SHIFT(ch))
#define	CH0_EN_MASK   (0x1U << SDM_CTRL_CH_EN_SHIFT)
#define	CHN_EN_MASK(ch)   (CH0_EN_MASK << (ch))
#define	CHN_ERR_MASK(ch)   (SDM_INT_EN_CH0ERR_MASK << (ch))
#define	CHN_DRY_MASK(ch)   (SDM_INT_EN_CH0DRY_MASK << (ch))

Enumerations
enum	sdm_sampling_mode_t {   sdm_sampling_rising_clk_edge = 0 , sdm_sampling_every_clk_edge = 1 , sdm_sampling_manchester_mode = 2 , sdm_sampling_falling_clk_edge = 3 ,   sdm_sampling_rising_two_clk_edge = 4 , sdm_sampling_falling_two_clk_edge = 5 }
enum	sdm_filter_type_t { sdm_filter_sinc1 = 0 , sdm_filter_sinc2 = 1 , sdm_filter_sinc3 = 2 , sdm_filter_fast_sinc2 = 3 }
enum	sdm_comparator_event_t {   sdm_comparator_no_event = 0 , sdm_comparator_event_out_high_threshold = SDM_CH_SCST_CMPH_MASK , sdm_comparator_event_out_low_threshold = SDM_CH_SCST_CMPL_MASK , sdm_comparator_event_hz = SDM_CH_SCST_HZ_MASK ,   sdm_comparator_event_invalid_clk = SDM_CH_SCST_MF_MASK }
enum	sdm_channel_int_status_mask_t {   sdm_chn0_error_mask = SDM_INT_EN_CH0ERR_MASK , sdm_chn1_error_mask = SDM_INT_EN_CH1ERR_MASK , sdm_chn2_error_mask = SDM_INT_EN_CH2ERR_MASK , sdm_chn3_error_mask = SDM_INT_EN_CH3ERR_MASK ,   sdm_chn0_data_ready_mask = SDM_INT_EN_CH0DRY_MASK , sdm_chn1_data_ready_mask = SDM_INT_EN_CH1DRY_MASK , sdm_chn2_data_ready_mask = SDM_INT_EN_CH2DRY_MASK , sdm_chn3_data_ready_mask = SDM_INT_EN_CH3DRY_MASK }
enum	sdm_channel_enable_mask_t { sdm_chn0_enable_mask = 1U << SDM_CTRL_CH_EN_SHIFT , sdm_chn1_enable_mask = 1U << (SDM_CTRL_CH_EN_SHIFT + 1U) , sdm_chn2_enable_mask = 1U << (SDM_CTRL_CH_EN_SHIFT + 2U) , sdm_chn3_enable_mask = 1U << (SDM_CTRL_CH_EN_SHIFT + 3U) }

Functions
static void	sdm_enable_module_interrupt (SDM_Type *ptr, bool enable)
	sdm enable module interrupt More...
static void	sdm_enable_channel (SDM_Type *ptr, uint8_t ch_index, bool enable)
	sdm enable channel More...
static void	sdm_enable_channel_filter (SDM_Type *ptr, uint8_t ch_index, bool enable)
	sdm enable channel sample data function More...
static void	sdm_enable_channel_comparator (SDM_Type *ptr, uint8_t ch_index, bool enable)
	sdm enable channel amplitude detect function More...
static void	sdm_enable_channel_by_mask (SDM_Type *ptr, uint32_t ch_mask)
	sdm enable channel by mask More...
static void	sdm_set_channel_sampling_mode (SDM_Type *ptr, uint8_t ch_index, sdm_sampling_mode_t mode)
	sdm set channel sampling mode More...
static void	sdm_enable_channel_interrupt (SDM_Type *ptr, uint32_t mask)
	sdm enable channel interrupt More...
static uint32_t	sdm_get_status (SDM_Type *ptr)
	sdm get status register value More...
static bool	sdm_get_channel_data_ready_status (SDM_Type *ptr, uint8_t ch)
	get channel data ready status More...
static bool	sdm_get_channel_data_error_status (SDM_Type *ptr, uint8_t ch)
	get channel error status More...
static void	sdm_set_ch_fifo_threshold (SDM_Type *ptr, uint8_t ch, uint8_t threshold)
	sdm set channel's fifo threshold More...
static uint8_t	sdm_get_ch_fifo_threshold (SDM_Type *ptr, uint8_t ch)
	sdm get channel fifo threshold More...
static uint32_t	sdm_get_channel_filter_status (SDM_Type *ptr, uint8_t ch)
	sdm get channel filter status More...
static void	sdm_clean_channel_filter_status (SDM_Type *ptr, uint8_t ch, uint32_t mask)
	sdm clean channel sample data status More...
static uint8_t	sdm_get_channel_fifo_data_count (SDM_Type *ptr, uint8_t ch)
	sdm get channel data count in fifo More...
static int32_t	sdm_get_channel_fifo_data (SDM_Type *ptr, uint8_t ch)
	sdm get channel filter output data in fifo More...
static uint8_t	sdm_get_channel_clock_cycle_count (SDM_Type *ptr, uint8_t ch)
	sdm get channel input clock cycle count More...
static uint16_t	sdm_get_channel_comparator_data (SDM_Type *ptr, uint8_t ch)
	sdm get channel comparator data More...
static void	sdm_set_channel_comparator_high_threshold (SDM_Type *ptr, uint8_t ch, uint16_t value)
	sdm set channel comparator high threshold More...
static void	sdm_set_channel_comparator_zero_crossing_threshold (SDM_Type *ptr, uint8_t ch, uint16_t value)
	sdm set channel comparator zero crossing threshold More...
static void	sdm_set_channel_comparator_low_threshold (SDM_Type *ptr, uint8_t ch, uint16_t value)
	sdm set channel comparator low threshold More...
static uint32_t	sdm_get_channel_comparator_status (SDM_Type *ptr, uint8_t ch)
	sdm get channel comparator status register value More...
static void	sdm_clean_channel_comparator_status (SDM_Type *ptr, uint8_t ch, uint32_t mask)
	sdm clean channel amplitude detect status More...
void	sdm_get_default_module_control (SDM_Type *ptr, sdm_control_t *control)
	sdm get default module control More...
void	sdm_init_module (SDM_Type *ptr, sdm_control_t *control)
	sdm init module More...
void	sdm_get_channel_common_setting (SDM_Type *ptr, sdm_channel_common_config_t *config)
	sdm get channel common setting More...
void	sdm_config_channel_common_setting (SDM_Type *ptr, uint8_t ch_index, sdm_channel_common_config_t *config)
	sdm config channel's common setting More...
void	sdm_get_channel_default_filter_config (SDM_Type *ptr, sdm_filter_config_t *filter_config)
	sdm get channel default filter config More...
void	sdm_config_channel_filter (SDM_Type *ptr, uint8_t ch_index, sdm_filter_config_t *filter_config)
	sdm config channel filter More...
void	sdm_get_channel_default_comparator_config (SDM_Type *ptr, sdm_comparator_config_t *cmp_config)
	sdm get channel default comparator config More...
void	sdm_config_channel_comparator (SDM_Type *ptr, uint8_t ch_index, sdm_comparator_config_t *cmp_config)
	sdm config channel comparator More...
hpm_stat_t	sdm_receive_one_filter_data (SDM_Type *ptr, uint8_t ch_index, bool using_fifo, int8_t *data, uint8_t data_len_in_bytes)
	sdm receive one filter data More...
hpm_stat_t	sdm_receive_filter_data (SDM_Type *ptr, uint8_t ch_index, bool using_fifo, int8_t *data, uint32_t count, uint8_t data_len_in_bytes)
	sdm receive filter data More...

Detailed Description

SDM APIs.

Macro Definition Documentation

CH0_EN_MASK

#define CH0_EN_MASK   (0x1U << SDM_CTRL_CH_EN_SHIFT)

#include <drivers/inc/hpm_sdm_drv.h>

CHN_DRY_MASK

#define CHN_DRY_MASK

(

ch

)

(SDM_INT_EN_CH0DRY_MASK << (ch))

#include <drivers/inc/hpm_sdm_drv.h>

CHN_EN_MASK

#define CHN_EN_MASK

(

ch

)

(CH0_EN_MASK << (ch))

#include <drivers/inc/hpm_sdm_drv.h>

CHN_ERR_MASK

#define CHN_ERR_MASK

(

ch

)

(SDM_INT_EN_CH0ERR_MASK << (ch))

#include <drivers/inc/hpm_sdm_drv.h>

CHN_SAMPLING_MODE_MASK

#define CHN_SAMPLING_MODE_MASK

(

ch

)

(SAMPLING_MODE_MASK << CHN_SAMPLING_MODE_SHIFT(ch))

#include <drivers/inc/hpm_sdm_drv.h>

CHN_SAMPLING_MODE_SHIFT

#define CHN_SAMPLING_MODE_SHIFT

(

ch

)

((ch) * 3U + SDM_CTRL_CHMD_SHIFT)

#include <drivers/inc/hpm_sdm_drv.h>

SAMPLING_MODE_MASK

#define SAMPLING_MODE_MASK   (0x7U)

#include <drivers/inc/hpm_sdm_drv.h>

Enumeration Type Documentation

sdm_channel_enable_mask_t

enum sdm_channel_enable_mask_t

#include <drivers/inc/hpm_sdm_drv.h>

Enumerator
sdm_chn0_enable_mask
sdm_chn1_enable_mask
sdm_chn2_enable_mask
sdm_chn3_enable_mask

sdm_channel_int_status_mask_t

enum sdm_channel_int_status_mask_t

#include <drivers/inc/hpm_sdm_drv.h>

Enumerator
sdm_chn0_error_mask
sdm_chn1_error_mask
sdm_chn2_error_mask
sdm_chn3_error_mask
sdm_chn0_data_ready_mask
sdm_chn1_data_ready_mask
sdm_chn2_data_ready_mask
sdm_chn3_data_ready_mask

sdm_comparator_event_t

enum sdm_comparator_event_t

#include <drivers/inc/hpm_sdm_drv.h>

Enumerator
sdm_comparator_no_event
sdm_comparator_event_out_high_threshold
sdm_comparator_event_out_low_threshold
sdm_comparator_event_hz
sdm_comparator_event_invalid_clk

sdm_filter_type_t

enum sdm_filter_type_t

#include <drivers/inc/hpm_sdm_drv.h>

Enumerator
sdm_filter_sinc1
sdm_filter_sinc2
sdm_filter_sinc3
sdm_filter_fast_sinc2

sdm_sampling_mode_t

enum sdm_sampling_mode_t

#include <drivers/inc/hpm_sdm_drv.h>

Enumerator
sdm_sampling_rising_clk_edge
sdm_sampling_every_clk_edge
sdm_sampling_manchester_mode
sdm_sampling_falling_clk_edge
sdm_sampling_rising_two_clk_edge
sdm_sampling_falling_two_clk_edge

Function Documentation

sdm_clean_channel_comparator_status()

static void sdm_clean_channel_comparator_status ( SDM_Type *  ptr, uint8_t  ch, uint32_t  mask  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm clean channel amplitude detect status

Parameters

ptr	SDM base address
ch	channel index
mask	status mask value

sdm_clean_channel_filter_status()

static void sdm_clean_channel_filter_status ( SDM_Type *  ptr, uint8_t  ch, uint32_t  mask  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm clean channel sample data status

Parameters

ptr	SDM base address
ch	channel index
mask	status mask value

sdm_config_channel_common_setting()

void sdm_config_channel_common_setting	(	SDM_Type *	ptr,
		uint8_t	ch_index,
		sdm_channel_common_config_t *	config
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm config channel's common setting

Parameters

ptr	SDM base address
ch_index	channel index
config	sdm_channel_common_config_t

sdm_config_channel_comparator()

void sdm_config_channel_comparator	(	SDM_Type *	ptr,
		uint8_t	ch_index,
		sdm_comparator_config_t *	cmp_config
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm config channel comparator

Parameters

ptr	SDM base address
ch_index	channel index
cmp_config	sdm_comparator_config_t

sdm_config_channel_filter()

void sdm_config_channel_filter	(	SDM_Type *	ptr,
		uint8_t	ch_index,
		sdm_filter_config_t *	filter_config
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm config channel filter

Parameters

ptr	SDM base address
ch_index	channel index
filter_config	sdm_filter_config_t

sdm_enable_channel()

static void sdm_enable_channel ( SDM_Type *  ptr, uint8_t  ch_index, bool  enable  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm enable channel

Parameters

ptr	SDM base address
ch_index	channel index
enable	true for enable, false for disable

sdm_enable_channel_by_mask()

static void sdm_enable_channel_by_mask ( SDM_Type *  ptr, uint32_t  ch_mask  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm enable channel by mask

Note

ch_mask supports bitwise or operation, this API could enable multiple channels at the same time

Parameters

ptr	SDM base address
ch_mask	sdm_channel_enable_mask_t

sdm_enable_channel_comparator()

static void sdm_enable_channel_comparator ( SDM_Type *  ptr, uint8_t  ch_index, bool  enable  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm enable channel amplitude detect function

Parameters

ptr	SDM base address
ch_index	channel index
enable	true for enable, false for disable

sdm_enable_channel_filter()

static void sdm_enable_channel_filter ( SDM_Type *  ptr, uint8_t  ch_index, bool  enable  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm enable channel sample data function

Parameters

ptr	SDM base address
ch_index	channel index
enable	true for enable, false for disable

sdm_enable_channel_interrupt()

static void sdm_enable_channel_interrupt ( SDM_Type *  ptr, uint32_t  mask  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm enable channel interrupt

Parameters

ptr	SDM base address
mask	sdm_channel_int_status_mask_t, support bitwise or operation

sdm_enable_module_interrupt()

static void sdm_enable_module_interrupt ( SDM_Type *  ptr, bool  enable  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm enable module interrupt

Parameters

ptr	SDM base address
enable	true for enable, false for disable

sdm_get_ch_fifo_threshold()

static uint8_t sdm_get_ch_fifo_threshold ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel fifo threshold

Parameters

ptr	SDM base address
ch	channel index

Returns

uint8_t fifo threshold value

sdm_get_channel_clock_cycle_count()

static uint8_t sdm_get_channel_clock_cycle_count ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel input clock cycle count

Parameters

ptr	SDM base address
ch	channel index

Returns

uint8_t clock cycle count

sdm_get_channel_common_setting()

void sdm_get_channel_common_setting	(	SDM_Type *	ptr,
		sdm_channel_common_config_t *	config
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel common setting

Parameters

ptr	SDM base address
config	sdm_channel_common_config_t

sdm_get_channel_comparator_data()

static uint16_t sdm_get_channel_comparator_data ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel comparator data

Parameters

ptr	SDM base address
ch	channel index

Returns

uint16_t comparator data

sdm_get_channel_comparator_status()

static uint32_t sdm_get_channel_comparator_status ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel comparator status register value

Parameters

ptr	SDM base address
ch	channel index

Returns

uint32_t channel comparator status register value

sdm_get_channel_data_error_status()

static bool sdm_get_channel_data_error_status ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

get channel error status

Parameters

ptr	SDM base address
ch	channel

Returns

true error occur

false no error

sdm_get_channel_data_ready_status()

static bool sdm_get_channel_data_ready_status ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

get channel data ready status

Parameters

ptr	SDM base address
ch	channel

Returns

true data ready

false not ready

sdm_get_channel_default_comparator_config()

void sdm_get_channel_default_comparator_config	(	SDM_Type *	ptr,
		sdm_comparator_config_t *	cmp_config
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel default comparator config

Parameters

ptr	SDM base address
cmp_config	sdm_comparator_config_t

< 1-32, when 32, write 0 into bitfield

sdm_get_channel_default_filter_config()

void sdm_get_channel_default_filter_config	(	SDM_Type *	ptr,
		sdm_filter_config_t *	filter_config
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel default filter config

Parameters

ptr	SDM base address
filter_config	sdm_filter_config_t

< 1- 256

sdm_get_channel_fifo_data()

static int32_t sdm_get_channel_fifo_data ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel filter output data in fifo

Parameters

ptr	SDM base address
ch	channel index

Returns

int32_t data

sdm_get_channel_fifo_data_count()

static uint8_t sdm_get_channel_fifo_data_count ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel data count in fifo

Parameters

ptr	SDM base address
ch	channel index

Returns

uint8_t data count

sdm_get_channel_filter_status()

static uint32_t sdm_get_channel_filter_status ( SDM_Type *  ptr, uint8_t  ch  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm get channel filter status

Parameters

ptr	SDM base address
ch	channel index

Returns

uint32_t channel filter status register value

sdm_get_default_module_control()

void sdm_get_default_module_control	(	SDM_Type *	ptr,
		sdm_control_t *	control
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm get default module control

Parameters

ptr	SDM base address
control	sdm_control_t

< configure clk sync for all channels

< configure data sync for all channels

sdm_get_status()

static uint32_t sdm_get_status ( SDM_Type *  ptr )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm get status register value

Parameters

ptr	SDM base address

Returns

uint32_t sdm status register value

sdm_init_module()

void sdm_init_module	(	SDM_Type *	ptr,
		sdm_control_t *	control
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm init module

Parameters

ptr	SDM base address
control	sdm_control_t

sdm_receive_filter_data()

hpm_stat_t sdm_receive_filter_data	(	SDM_Type *	ptr,
		uint8_t	ch_index,
		bool	using_fifo,
		int8_t *	data,
		uint32_t	count,
		uint8_t	data_len_in_bytes
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm receive filter data

Parameters

ptr	SDM base address
ch_index	channel index
using_fifo	true for getting data from fifo, false for getting data from register
data	data buff
count	data count
data_len_in_bytes	output data len in bytes

Return values

hpm_stat_t

status_success only if it succeeds

sdm_receive_one_filter_data()

hpm_stat_t sdm_receive_one_filter_data	(	SDM_Type *	ptr,
		uint8_t	ch_index,
		bool	using_fifo,
		int8_t *	data,
		uint8_t	data_len_in_bytes
	)

#include <drivers/inc/hpm_sdm_drv.h>

sdm receive one filter data

Parameters

ptr	SDM base address
ch_index	channel index
using_fifo	true for getting data from fifo, false for getting data from register
data	data buff
data_len_in_bytes	output data len in bytes

Return values

hpm_stat_t

status_success only if it succeeds

sdm_set_ch_fifo_threshold()

static void sdm_set_ch_fifo_threshold ( SDM_Type *  ptr, uint8_t  ch, uint8_t  threshold  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm set channel's fifo threshold

Parameters

ptr	SDM base address
ch	channel index
threshold	threshold value

sdm_set_channel_comparator_high_threshold()

static void sdm_set_channel_comparator_high_threshold ( SDM_Type *  ptr, uint8_t  ch, uint16_t  value  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm set channel comparator high threshold

Parameters

ptr	SDM base address
ch	channel index
value	high threshold value

sdm_set_channel_comparator_low_threshold()

static void sdm_set_channel_comparator_low_threshold ( SDM_Type *  ptr, uint8_t  ch, uint16_t  value  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm set channel comparator low threshold

Parameters

ptr	SDM base address
ch	channel index
value	low threshold value

sdm_set_channel_comparator_zero_crossing_threshold()

static void sdm_set_channel_comparator_zero_crossing_threshold ( SDM_Type *  ptr, uint8_t  ch, uint16_t  value  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm set channel comparator zero crossing threshold

Parameters

ptr	SDM base address
ch	channel index
value	zero crossing threshold value

sdm_set_channel_sampling_mode()

static void sdm_set_channel_sampling_mode ( SDM_Type *  ptr, uint8_t  ch_index, sdm_sampling_mode_t  mode  )

inlinestatic

#include <drivers/inc/hpm_sdm_drv.h>

sdm set channel sampling mode

Parameters

ptr	SDM base address
ch_index	channel index
mode	sdm_sampling_mode_t