Enumeration, structure, type and macro definitions. More...

Data Structures
struct	hw_sdadc_dma_cfg_t
	Cut-down to necessary DMA configuration. More...

struct	hw_sdadc_config_t
	SDADC configuration. More...

Macros
#define	HW_SDADC_VREF_VOLTAGE_INTERNAL ( 900 )
	SDADC Reference Voltage level in milliVolt. More...

#define	HW_SDADC_VREF_VOLTAGE_MAX HW_SDADC_VREF_VOLTAGE_INTERNAL
	Macro giving the maximum allowed reference voltage level in millivolt. More...

Typedefs
typedef void(*	hw_sdadc_read_cb) (void *user_data, uint32_t conv_to_go)
	ADC callback for read function. More...

typedef void(*	hw_sdadc_interrupt_cb) (void)
	SDADC interrupt handler. More...

Enumerations
enum	HW_SDADC_INPUT_MODE { HW_SDADC_INPUT_MODE_DIFFERENTIAL = 0, HW_SDADC_INPUT_MODE_SINGLE_ENDED = 1 }
	SDADC input mode. More...

enum	HW_SDADC_VREF_SEL { HW_SDADC_VREF_INTERNAL = 0, HW_SDADC_VREFN_INTERNAL_VREFP_EXTERNAL = 1, HW_SDADC_VREFN_EXTERNAL_VREFP_INTERNAL = 2, HW_SDADC_VREF_EXTERNAL = 3 }
	SDADC VREF selection. More...

enum	HW_SDADC_INPUT_CHANNEL { HW_SDADC_IN_ADC0_P1_00 = 0, HW_SDADC_IN_ADC1_P1_01 = 1, HW_SDADC_IN_ADC2_P1_02 = 2, HW_SDADC_IN_ADC3_P0_10 = 3, HW_SDADC_IN_ADC4_P1_05 = 4, HW_SDADC_IN_ADC5_P1_06 = 5, HW_SDADC_IN_ADC6_P1_09 = 6, HW_SDADC_IN_ADC7_P1_11 = 7, HW_SDADC_IN_VBAT = 8 }
	SDADC Input Channel. More...

enum	HW_SDADC_MODE { HW_SDADC_MODE_SENSOR = 0, HW_SDADC_MODE_AUDIO = 1 }
	SDADC mode (sensor/audio) More...

enum	HW_SDADC_INPUT
	SDADC input selection. Generic names mapping to specific GPIO pins for both positive and negative channels. More...

enum	HW_SDADC_OSR { HW_SDADC_OSR_256, HW_SDADC_OSR_512, HW_SDADC_OSR_1024, HW_SDADC_OSR_2048 }
	SDADC oversampling rate. More...

enum	HW_SDADC_PGA_GAIN { HW_SDADC_PGA_GAIN_MINUS_12dB = 0, HW_SDADC_PGA_GAIN_MINUS_6dB = 1, HW_SDADC_PGA_GAIN_MINUS_0dB = 2, HW_SDADC_PGA_GAIN_6dB = 3, HW_SDADC_PGA_GAIN_12dB = 4, HW_SDADC_PGA_GAIN_18dB = 5, HW_SDADC_PGA_GAIN_24dB = 6, HW_SDADC_PGA_GAIN_30dB = 7 }
	PGA gain selection. More...

enum	HW_SDADC_PGA_MODE { HW_SDADC_PGA_MODE_DIFF = 0, HW_SDADC_PGA_MODE_SE_N = 1, HW_SDADC_PGA_MODE_SE_P = 2, HW_SDADC_PGA_MODE_RESERVED = 3 }
	PGA mode selection. More...

enum	HW_SDADC_PGA_BIAS { HW_SDADC_PGA_BIAS_40 = 0, HW_SDADC_PGA_BIAS_44 = 1, HW_SDADC_PGA_BIAS_50 = 2, HW_SDADC_PGA_BIAS_57 = 3, HW_SDADC_PGA_BIAS_66 = 4, HW_SDADC_PGA_BIAS_80 = 5, HW_SDADC_PGA_BIAS_100 = 6, HW_SDADC_PGA_BIAS_133 = 7 }
	PGA bias configuration. More...

enum	HW_SDADC_PGA_EN { HW_SDADC_PGA_ENABLE_NONE = 0, HW_SDADC_PGA_ENABLE_POSITIVE = 1, HW_SDADC_PGA_ENABLE_NEGATIVE = 2, HW_SDADC_PGA_ENABLE_BOTH = 3 }
	PGA enabled branch(es) More...

Detailed Description

Enumeration, structure, type and macro definitions.

Macro Definition Documentation

◆ HW_SDADC_VREF_VOLTAGE_INTERNAL

#define HW_SDADC_VREF_VOLTAGE_INTERNAL ( 900 )

SDADC Reference Voltage level in milliVolt.

Internal reference Voltage level is fixed to 900 millivolt. Do not change!

◆ HW_SDADC_VREF_VOLTAGE_MAX

#define HW_SDADC_VREF_VOLTAGE_MAX HW_SDADC_VREF_VOLTAGE_INTERNAL

Macro giving the maximum allowed reference voltage level in millivolt.

Typedef Documentation

◆ hw_sdadc_interrupt_cb

typedef void(* hw_sdadc_interrupt_cb) (void)

SDADC interrupt handler.

◆ hw_sdadc_read_cb

typedef void(* hw_sdadc_read_cb) (void *user_data, uint32_t conv_to_go)

ADC callback for read function.

Enumeration Type Documentation

◆ HW_SDADC_INPUT

enum HW_SDADC_INPUT

SDADC input selection. Generic names mapping to specific GPIO pins for both positive and negative channels.

See also: HW_SDADC_INPUT_CHANNEL

◆ HW_SDADC_INPUT_CHANNEL

enum HW_SDADC_INPUT_CHANNEL

SDADC Input Channel.

Enumerator
HW_SDADC_IN_ADC0_P1_00	GPIO P1_00
HW_SDADC_IN_ADC1_P1_01	GPIO P1_01
HW_SDADC_IN_ADC2_P1_02	GPIO P1_02
HW_SDADC_IN_ADC3_P0_10	GPIO P0_10
HW_SDADC_IN_ADC4_P1_05	GPIO P1_05
HW_SDADC_IN_ADC5_P1_06	GPIO P1_06
HW_SDADC_IN_ADC6_P1_09	GPIO P1_09
HW_SDADC_IN_ADC7_P1_11	GPIO P1_11
HW_SDADC_IN_VBAT	VBAT via 4x attenuator, negative side (INN) connected to ground

◆ HW_SDADC_INPUT_MODE

enum HW_SDADC_INPUT_MODE

SDADC input mode.

Enumerator
HW_SDADC_INPUT_MODE_DIFFERENTIAL	Differential mode (default)
HW_SDADC_INPUT_MODE_SINGLE_ENDED	Single ended mode. Input selection negative side is ignored

◆ HW_SDADC_MODE

enum HW_SDADC_MODE

SDADC mode (sensor/audio)

Enumerator
HW_SDADC_MODE_SENSOR	0: Sensor mode (default)
HW_SDADC_MODE_AUDIO	1: Audio mode

◆ HW_SDADC_OSR

enum HW_SDADC_OSR

SDADC oversampling rate.

Enumerator
HW_SDADC_OSR_256	0: 256 samples (default)
HW_SDADC_OSR_512	1: 512 samples
HW_SDADC_OSR_1024	2: 1024 samples
HW_SDADC_OSR_2048	3: 2048 samples

◆ HW_SDADC_PGA_BIAS

enum HW_SDADC_PGA_BIAS

PGA bias configuration.

Enumerator
HW_SDADC_PGA_BIAS_40	0 :0.40 x Ibias
HW_SDADC_PGA_BIAS_44	1 :0.44 x Ibias
HW_SDADC_PGA_BIAS_50	2 :0.50 x Ibias
HW_SDADC_PGA_BIAS_57	3 :0.57 x Ibias
HW_SDADC_PGA_BIAS_66	4 :0.66 x Ibias (default)
HW_SDADC_PGA_BIAS_80	5 :0.80 x Ibias
HW_SDADC_PGA_BIAS_100	6 :1.00 x Ibias
HW_SDADC_PGA_BIAS_133	7 :1.33 x Ibias

◆ HW_SDADC_PGA_EN

enum HW_SDADC_PGA_EN

PGA enabled branch(es)

Enumerator
HW_SDADC_PGA_ENABLE_NONE	00 : both branches of PGA disabled
HW_SDADC_PGA_ENABLE_POSITIVE	01 : Positive branch of PGA enabled, Negative branch disabled
HW_SDADC_PGA_ENABLE_NEGATIVE	10 : Positive branch of PGA disabled, Negative branch enabled
HW_SDADC_PGA_ENABLE_BOTH	11 : Both branches of PGA enabled

◆ HW_SDADC_PGA_GAIN

enum HW_SDADC_PGA_GAIN

PGA gain selection.

Enumerator
HW_SDADC_PGA_GAIN_MINUS_12dB	0 : -12 dB (default)
HW_SDADC_PGA_GAIN_MINUS_6dB	1 : -6 dB
HW_SDADC_PGA_GAIN_MINUS_0dB	2 : 0 dB
HW_SDADC_PGA_GAIN_6dB	3 : 6 dB
HW_SDADC_PGA_GAIN_12dB	4 : 12 dB
HW_SDADC_PGA_GAIN_18dB	5 : 18 dB
HW_SDADC_PGA_GAIN_24dB	6 : 24 dB
HW_SDADC_PGA_GAIN_30dB	7 : 30 dB

◆ HW_SDADC_PGA_MODE

enum HW_SDADC_PGA_MODE

PGA mode selection.

Enumerator
HW_SDADC_PGA_MODE_DIFF	0 : Differential mode (default)
HW_SDADC_PGA_MODE_SE_N	1 : Use N-branch as single ended mode
HW_SDADC_PGA_MODE_SE_P	2 : Use P-branch as single ended mode
HW_SDADC_PGA_MODE_RESERVED	3 : Reserved (do not use)

◆ HW_SDADC_VREF_SEL

enum HW_SDADC_VREF_SEL

SDADC VREF selection.

Enumerator
HW_SDADC_VREF_INTERNAL	VREFN=internal VREFP=internal
HW_SDADC_VREFN_INTERNAL_VREFP_EXTERNAL	VREFN=internal VREFP=external
HW_SDADC_VREFN_EXTERNAL_VREFP_INTERNAL	VREFN=external VREFP=internal
HW_SDADC_VREF_EXTERNAL	VREFN=external VREFP=external

Data Structures

Macros

Typedefs

Enumerations