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

Data Structures
struct	hw_gpadc_config_t
	ADC configuration. More...

Macros
#define	HW_GPADC_RESULT_NOB (16U)
	The 16 LSBits of the 32-bit result register. More...

#define	HW_GPADC_DEFAULT_ENOB (10U)
	The default Effective Number Of Bits with no averaging (zero oversampling) More...

#define	HW_GPADC_UNUSED_BITS (HW_GPADC_RESULT_NOB - HW_GPADC_DEFAULT_ENOB)
	The excessive bits in the result register with no averaging (zero oversampling) More...

#define	HW_GPADC_MID_SCALE_ADC (1 << (HW_GPADC_RESULT_NOB - 1))
	A help macro to define a mid-scale measurement: 0 mVolt in Differential mode Vref/2 mVolt in Single-ended mode.

#define	HW_GPADC_OFFSET_RESET 0x200
	Reset value for the GP_ADC_OFFP and GP_ADC_OFFN registers. The given default 0x200 is suitable for Common Mode Level = VREF/2. It should be adjusted according to paragraph Common Mode Adjustment in the DataSheet.

#define	HW_GPADC_DMA_SUPPORT dg_configGPADC_DMA_SUPPORT
	DMA support for GPADC.

#define	HW_GPADC_DIE_TEMP_SMPL_TIME 0x04
	Recommended sample time setting for accurate temperature measurements with DIE_TEMP. More...

#define	HW_GPADC_DIE_TEMP_INIT_DELAY 0x68 /* 26 usec with a clock speed of (DivN_clk / 2) */
	Delay for enabling the ADC after enabling the LDO when ADC input is the temperature sensor. More...

#define	HW_GPADC_VREF_MILLIVOLT (900)
	GPADC Reference Voltage Level. More...

Typedefs
typedef void(*	hw_gpadc_interrupt_cb) (void)
	ADC interrupt handler. More...

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

Enumerations
enum	HW_GPADC_INPUT_MODE { HW_GPADC_INPUT_MODE_DIFFERENTIAL = 0, HW_GPADC_INPUT_MODE_SINGLE_ENDED = 1 }
	ADC input mode. More...

enum	HW_GPADC_OVERSAMPLING { HW_GPADC_OVERSAMPLING_1_SAMPLE = 0, HW_GPADC_OVERSAMPLING_2_SAMPLES = 1, HW_GPADC_OVERSAMPLING_4_SAMPLES = 2, HW_GPADC_OVERSAMPLING_8_SAMPLES = 3, HW_GPADC_OVERSAMPLING_16_SAMPLES = 4, HW_GPADC_OVERSAMPLING_32_SAMPLES = 5, HW_GPADC_OVERSAMPLING_64_SAMPLES = 6, HW_GPADC_OVERSAMPLING_128_SAMPLES = 7 }
	GPADC oversampling. More...

enum	HW_GPADC_MAX_INPUT_VOLTAGE { HW_GPADC_INPUT_VOLTAGE_UP_TO_0V9 = 0, HW_GPADC_INPUT_VOLTAGE_UP_TO_1V8 = 1, HW_GPADC_INPUT_VOLTAGE_UP_TO_2V7 = 2, HW_GPADC_INPUT_VOLTAGE_UP_TO_3V6 = 3 }
	GPADC input voltages. More...

enum	HW_GPADC_STORE_DELAY { HW_GPADC_STORE_DEL_0 = 0x0, HW_GPADC_STORE_DEL_2_CYCLES = 0x1, HW_GPADC_STORE_DEL_3_CYCLES = 0x2, HW_GPADC_STORE_DEL_4_CYCLES = 0x3, HW_GPADC_STORE_DEL_5_CYCLES = 0x4, HW_GPADC_STORE_DEL_6_CYCLES = 0x5, HW_GPADC_STORE_DEL_7_CYCLES = 0x6, HW_GPADC_STORE_DEL_8_CYCLES = 0x7 }
	Store delay. More...

enum	HW_GPADC_INPUT_POSITIVE { HW_GPADC_INP_P1_0 = HW_GPADC_INPUT_ADC0, HW_GPADC_INP_P1_1 = HW_GPADC_INPUT_ADC1, HW_GPADC_INP_P1_2 = HW_GPADC_INPUT_ADC2, HW_GPADC_INP_P0_10 = HW_GPADC_INPUT_ADC3, HW_GPADC_INP_DIE_TEMP = 4, HW_GPADC_INP_VDCDC = 5, HW_GPADC_INP_VBAT = 6, HW_GPADC_INP_VDDD = 7, HW_GPADC_INP_VSSA = 8, HW_GPADC_INP_VDDIO = 9, HW_GPADC_INP_P1_5 = HW_GPADC_INPUT_ADC4, HW_GPADC_INP_P1_6 = HW_GPADC_INPUT_ADC5, HW_GPADC_INP_P1_9 = HW_GPADC_INPUT_ADC6, HW_GPADC_INP_P1_11 = HW_GPADC_INPUT_ADC7 }
	ADC input - Positive side. More...

enum	HW_GPADC_INPUT_NEGATIVE { HW_GPADC_INN_P1_0 = HW_GPADC_INPUT_ADC0, HW_GPADC_INN_P1_1 = HW_GPADC_INPUT_ADC1, HW_GPADC_INN_P1_2 = HW_GPADC_INPUT_ADC2, HW_GPADC_INN_P0_10 = HW_GPADC_INPUT_ADC3, HW_GPADC_INN_P1_5 = HW_GPADC_INPUT_ADC4, HW_GPADC_INN_P1_6 = HW_GPADC_INPUT_ADC5, HW_GPADC_INN_P1_9 = HW_GPADC_INPUT_ADC6, HW_GPADC_INN_P1_11 = HW_GPADC_INPUT_ADC7 }
	ADC input - Negative side. More...

Detailed Description

Enumeration, structure, type and macro definitions.

Macro Definition Documentation

◆ HW_GPADC_DEFAULT_ENOB

#define HW_GPADC_DEFAULT_ENOB (10U)

The default Effective Number Of Bits with no averaging (zero oversampling)

◆ HW_GPADC_DIE_TEMP_INIT_DELAY

#define HW_GPADC_DIE_TEMP_INIT_DELAY 0x68 /* 26 usec with a clock speed of (DivN_clk / 2) */

Delay for enabling the ADC after enabling the LDO when ADC input is the temperature sensor.

HW_GPADC_DIE_TEMP_INIT_DELAY * 4 * ADC_CLK period should be > 25usec

◆ HW_GPADC_DIE_TEMP_SMPL_TIME

#define HW_GPADC_DIE_TEMP_SMPL_TIME 0x04

Recommended sample time setting for accurate temperature measurements with DIE_TEMP.

◆ HW_GPADC_RESULT_NOB

#define HW_GPADC_RESULT_NOB (16U)

The 16 LSBits of the 32-bit result register.

◆ HW_GPADC_UNUSED_BITS

#define HW_GPADC_UNUSED_BITS (HW_GPADC_RESULT_NOB - HW_GPADC_DEFAULT_ENOB)

The excessive bits in the result register with no averaging (zero oversampling)

◆ HW_GPADC_VREF_MILLIVOLT

#define HW_GPADC_VREF_MILLIVOLT (900)

GPADC Reference Voltage Level.

Typedef Documentation

◆ hw_gpadc_interrupt_cb

typedef void(* hw_gpadc_interrupt_cb) (void)

ADC interrupt handler.

◆ hw_gpadc_read_cb

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

ADC callback for read function.

Enumeration Type Documentation

◆ HW_GPADC_INPUT_MODE

enum HW_GPADC_INPUT_MODE

ADC input mode.

Enumerator
HW_GPADC_INPUT_MODE_DIFFERENTIAL	differential mode (default)
HW_GPADC_INPUT_MODE_SINGLE_ENDED	single ended mode

◆ HW_GPADC_INPUT_NEGATIVE

enum HW_GPADC_INPUT_NEGATIVE

ADC input - Negative side.

Enumerator
HW_GPADC_INN_P1_0	GPIO 1.0
HW_GPADC_INN_P1_1	GPIO 1.1
HW_GPADC_INN_P1_2	GPIO 1.2
HW_GPADC_INN_P0_10	GPIO 0.10
HW_GPADC_INN_P1_5	GPIO 1.5
HW_GPADC_INN_P1_6	GPIO 1.6
HW_GPADC_INN_P1_9	GPIO 1.9
HW_GPADC_INN_P1_11	GPIO 1.11

◆ HW_GPADC_INPUT_POSITIVE

enum HW_GPADC_INPUT_POSITIVE

ADC input - Positive side.

Enumerator
HW_GPADC_INP_P1_0	GPIO 1.0
HW_GPADC_INP_P1_1	GPIO 1.1
HW_GPADC_INP_P1_2	GPIO 1.2
HW_GPADC_INP_P0_10	GPIO 0.10
HW_GPADC_INP_DIE_TEMP	temperature sensor Used jointly with DIE_TEMP=1. MUST wait 25usec before measurement
HW_GPADC_INP_VDCDC	DCDC voltage level
HW_GPADC_INP_VBAT	Battery voltage level
HW_GPADC_INP_VDDD	VDD supply of the ADC circuit
HW_GPADC_INP_VSSA	VSSA
HW_GPADC_INP_VDDIO	VDDIO
HW_GPADC_INP_P1_5	GPIO 1.5
HW_GPADC_INP_P1_6	GPIO 1.6
HW_GPADC_INP_P1_9	GPIO 1.9
HW_GPADC_INP_P1_11	GPIO 1.11

◆ HW_GPADC_MAX_INPUT_VOLTAGE

enum HW_GPADC_MAX_INPUT_VOLTAGE

GPADC input voltages.

Enumerator
HW_GPADC_INPUT_VOLTAGE_UP_TO_0V9	input voltages up to 0.9 V are allowed
HW_GPADC_INPUT_VOLTAGE_UP_TO_1V8	input voltages up to 1.8 V are allowed
HW_GPADC_INPUT_VOLTAGE_UP_TO_2V7	input voltages up to 2.7 V are allowed
HW_GPADC_INPUT_VOLTAGE_UP_TO_3V6	input voltages up to 3.6 V are allowed

◆ HW_GPADC_OVERSAMPLING

enum HW_GPADC_OVERSAMPLING

GPADC oversampling.

In this mode multiple successive conversions will be executed and the results are added together to increase the effective number of bits

Enumerator
HW_GPADC_OVERSAMPLING_1_SAMPLE	1 sample is taken or 2 in case chopping is enabled
HW_GPADC_OVERSAMPLING_2_SAMPLES	2 samples are taken
HW_GPADC_OVERSAMPLING_4_SAMPLES	4 samples are taken
HW_GPADC_OVERSAMPLING_8_SAMPLES	8 samples are taken
HW_GPADC_OVERSAMPLING_16_SAMPLES	16 samples are taken
HW_GPADC_OVERSAMPLING_32_SAMPLES	32 samples are taken
HW_GPADC_OVERSAMPLING_64_SAMPLES	64 samples are taken
HW_GPADC_OVERSAMPLING_128_SAMPLES	128 samples are taken

◆ HW_GPADC_STORE_DELAY

enum HW_GPADC_STORE_DELAY

Store delay.

Note: Values 1-3 are reserved

Enumerator
HW_GPADC_STORE_DEL_0	Data is stored after handshake synchronization
HW_GPADC_STORE_DEL_2_CYCLES	Data is stored 2 ADC_CLK cycles after internal start trigger
HW_GPADC_STORE_DEL_3_CYCLES	Data is stored 3 ADC_CLK cycles after internal start trigger
HW_GPADC_STORE_DEL_4_CYCLES	Data is stored 4 ADC_CLK cycles after internal start trigger
HW_GPADC_STORE_DEL_5_CYCLES	Data is stored 5 ADC_CLK cycles after internal start trigger
HW_GPADC_STORE_DEL_6_CYCLES	Data is stored 6 ADC_CLK cycles after internal start trigger
HW_GPADC_STORE_DEL_7_CYCLES	Data is stored 7 ADC_CLK cycles after internal start trigger
HW_GPADC_STORE_DEL_8_CYCLES	Data is stored 8 ADC_CLK cycles after internal start trigger

Data Structures

Macros

Typedefs

Enumerations