Analog-to-Digital Converter (ADC/ADC12B) driver for SAM.

#include "compiler.h"

Data Structures
struct	adc_internal_ref

Macros
#define	ADC_FREQ_MAX 20000000

#define	ADC_FREQ_MIN 1000000

#define	ADC_STARTUP_FAST 12

#define	ADC_STARTUP_NORM 40

Enumerations
enum	adc12b_trigger_t { ADC12B_TRIG_SW = ADC12B_MR_TRGEN_DIS, ADC12B_TRIG_EXT = ADC12B_MR_TRGSEL_ADC_TRIG0 \| ADC12B_MR_TRGEN, ADC12B_TRIG_TIO_CH_0 = ADC12B_MR_TRGSEL_ADC_TRIG1 \| ADC12B_MR_TRGEN, ADC12B_TRIG_TIO_CH_1 = ADC12B_MR_TRGSEL_ADC_TRIG2 \| ADC12B_MR_TRGEN, ADC12B_TRIG_TIO_CH_2 = ADC12B_MR_TRGSEL_ADC_TRIG3 \| ADC12B_MR_TRGEN, ADC12B_TRIG_PWM_EVENT_LINE_0 = ADC12B_MR_TRGSEL_ADC_TRIG4 \| ADC12B_MR_TRGEN, ADC12B_TRIG_PWM_EVENT_LINE_1 = ADC12B_MR_TRGSEL_ADC_TRIG5 \| ADC12B_MR_TRGEN }

enum	adc_channel_num_t { ADC_CHANNEL_0 = 0, ADC_CHANNEL_1 = 1, ADC_CHANNEL_2 = 2, ADC_CHANNEL_3 = 3, ADC_CHANNEL_4 = 4, ADC_CHANNEL_5 = 5, ADC_CHANNEL_6 = 6, ADC_TEMPERATURE_SENSOR = 7 }

enum	adc_gainvalue_t { ADC_GAINVALUE_0 = 0, ADC_GAINVALUE_1 = 1, ADC_GAINVALUE_2 = 2, ADC_GAINVALUE_3 = 3 }

enum	adc_internal_ref_voltage { ADC_INTERNAL_REF_2426MV = 0, ADC_INTERNAL_REF_2305MV, ADC_INTERNAL_REF_2184MV, ADC_INTERNAL_REF_2063MV, ADC_INTERNAL_REF_1941MV, ADC_INTERNAL_REF_1820MV, ADC_INTERNAL_REF_1699MV, ADC_INTERNAL_REF_1578MV, ADC_INTERNAL_REF_3396MV, ADC_INTERNAL_REF_3275MV, ADC_INTERNAL_REF_3154MV, ADC_INTERNAL_REF_3032MV, ADC_INTERNAL_REF_2911MV, ADC_INTERNAL_REF_2790MV, ADC_INTERNAL_REF_2699MV, ADC_INTERNAL_REF_2547MV }

enum	adc_resolution_t { ADC_10_BITS = ADC_MR_LOWRES_BITS_10, ADC_12_BITS = ADC_MR_LOWRES_BITS_12 }

enum	adc_settling_time_t { ADC_SETTLING_TIME_0 = ADC_MR_SETTLING_AST3, ADC_SETTLING_TIME_1 = ADC_MR_SETTLING_AST5, ADC_SETTLING_TIME_2 = ADC_MR_SETTLING_AST9, ADC_SETTLING_TIME_3 = ADC_MR_SETTLING_AST17 }

enum	adc_startup_time { ADC_STARTUP_TIME_0 = ADC_MR_STARTUP_SUT0, ADC_STARTUP_TIME_1 = ADC_MR_STARTUP_SUT8, ADC_STARTUP_TIME_2 = ADC_MR_STARTUP_SUT16, ADC_STARTUP_TIME_3 = ADC_MR_STARTUP_SUT24, ADC_STARTUP_TIME_4 = ADC_MR_STARTUP_SUT64, ADC_STARTUP_TIME_5 = ADC_MR_STARTUP_SUT80, ADC_STARTUP_TIME_6 = ADC_MR_STARTUP_SUT96, ADC_STARTUP_TIME_7 = ADC_MR_STARTUP_SUT112, ADC_STARTUP_TIME_8 = ADC_MR_STARTUP_SUT512, ADC_STARTUP_TIME_9 = ADC_MR_STARTUP_SUT576, ADC_STARTUP_TIME_10 = ADC_MR_STARTUP_SUT640, ADC_STARTUP_TIME_11 = ADC_MR_STARTUP_SUT704, ADC_STARTUP_TIME_12 = ADC_MR_STARTUP_SUT768, ADC_STARTUP_TIME_13 = ADC_MR_STARTUP_SUT832, ADC_STARTUP_TIME_14 = ADC_MR_STARTUP_SUT896, ADC_STARTUP_TIME_15 = ADC_MR_STARTUP_SUT960 }
	Definitions for ADC Start Up Time. More...

enum	adc_temp_cmp_mode { ADC_TEMP_CMP_MODE_0 = ADC_TEMPMR_TEMPCMPMOD_LOW, ADC_TEMP_CMP_MODE_1 = ADC_TEMPMR_TEMPCMPMOD_HIGH, ADC_TEMP_CMP_MODE_2 = ADC_TEMPMR_TEMPCMPMOD_IN, ADC_TEMP_CMP_MODE_3 = ADC_TEMPMR_TEMPCMPMOD_OUT }
	Definitions for Temperature Comparison Mode. More...

enum	adc_trigger_t { ADC_TRIG_SW = ADC_MR_TRGEN_DIS, ADC_TRIG_EXT = ADC_MR_TRGSEL_ADC_TRIG0 \| ADC_MR_TRGEN, ADC_TRIG_TIO_CH_0 = ADC_MR_TRGSEL_ADC_TRIG1 \| ADC_MR_TRGEN, ADC_TRIG_TIO_CH_1 = ADC_MR_TRGSEL_ADC_TRIG2 \| ADC_MR_TRGEN, ADC_TRIG_TIO_CH_2 = ADC_MR_TRGSEL_ADC_TRIG3 \| ADC_MR_TRGEN, ADC_TRIG_TIO_CH_3 = ADC_MR_TRGSEL_ADC_TRIG3 \| ADC_MR_TRGEN, ADC_TRIG_TIO_CH_4 = ADC_MR_TRGSEL_ADC_TRIG4 \| ADC_MR_TRGEN, ADC_TRIG_TIO_CH_5 = ADC_MR_TRGSEL_ADC_TRIG5 \| ADC_MR_TRGEN, ADC_TRIG_TIO_CH_6 = ADC_MR_TRGSEL_ADC_TRIG6 \| ADC_MR_TRGEN, ADC_TRIG_PWM_EVENT_LINE_0 = ADC_MR_TRGSEL_ADC_TRIG4 \| ADC_MR_TRGEN, ADC_TRIG_PWM_EVENT_LINE_1 = ADC_MR_TRGSEL_ADC_TRIG5 \| ADC_MR_TRGEN }

Functions
void	adc12b_configure_power_save (Adc12b *p_adc, const uint8_t uc_sleep, const uint8_t uc_offmode)

void	adc12b_configure_timing (Adc12b *p_adc, const uint32_t ul_sh)

void	adc12b_configure_trigger (Adc12b *p_adc, const enum adc12b_trigger_t trigger)

void	adc12b_disable_all_channel (Adc12b *p_adc)

void	adc12b_disable_channel (Adc12b *p_adc, const enum adc_channel_num_t adc_ch)

void	adc12b_disable_differential_input (Adc12b *p_adc)

void	adc12b_disable_input_offset (Adc12b *p_adc)

void	adc12b_disable_interrupt (Adc12b *p_adc, const uint32_t ul_source)

void	adc12b_enable_all_channel (Adc12b *p_adc)

void	adc12b_enable_channel (Adc12b *p_adc, const enum adc_channel_num_t adc_ch)

void	adc12b_enable_differential_input (Adc12b *p_adc)

void	adc12b_enable_input_offset (Adc12b *p_adc)

void	adc12b_enable_interrupt (Adc12b *p_adc, const uint32_t ul_source)

uint32_t	adc12b_get_actual_adc_clock (const Adc12b *p_adc, const uint32_t ul_mck)

uint32_t	adc12b_get_channel_status (const Adc12b *p_adc, const enum adc_channel_num_t adc_ch)

uint32_t	adc12b_get_channel_value (const Adc12b *p_adc, const enum adc_channel_num_t adc_ch)

uint32_t	adc12b_get_interrupt_mask (const Adc12b *p_adc)

uint32_t	adc12b_get_latest_value (const Adc12b *p_adc)

Pdc *	adc12b_get_pdc_base (const Adc12b *p_adc)

uint32_t	adc12b_get_status (const Adc12b *p_adc)

uint32_t	adc12b_init (Adc12b *p_adc, const uint32_t ul_mck, const uint32_t ul_adc_clock, const uint32_t ul_startuptime, const uint32_t ul_offmode_startuptime)

void	adc12b_reset (Adc12b *p_adc)

void	adc12b_set_bias_current (Adc12b *p_adc, const uint8_t uc_ibctl)

void	adc12b_set_input_gain (Adc12b *p_adc, const enum adc_gainvalue_t uc_gain)

void	adc12b_set_resolution (Adc12b *p_adc, const enum adc_resolution_t resolution)

void	adc12b_start (Adc12b *p_adc)

void	adc_check (Adc *p_adc, const uint32_t ul_mck)

void	adc_configure_power_save (Adc *p_adc, const uint8_t uc_sleep, const uint8_t uc_fwup)

void	adc_configure_sequence (Adc *p_adc, const enum adc_channel_num_t ch_list[], const uint8_t uc_num)

void	adc_configure_timing (Adc *p_adc, const uint8_t uc_tracking, const enum adc_settling_time_t settling, const uint8_t uc_transfer)

void	adc_configure_trigger (Adc *p_adc, const enum adc_trigger_t trigger, const uint8_t uc_freerun)

void	adc_configure_ts_comparison (Adc *p_adc, enum adc_temp_cmp_mode mode, uint16_t low_threshold, uint16_t high_threshold)

void	adc_disable_all_channel (Adc *p_adc)
	Disable all ADC channel. More...

void	adc_disable_anch (Adc *p_adc)

void	adc_disable_channel (Adc *p_adc, const enum adc_channel_num_t adc_ch)
	Disable the specified ADC channel. More...

void	adc_disable_channel_differential_input (Adc *p_adc, const enum adc_channel_num_t channel)

void	adc_disable_channel_input_offset (Adc *p_adc, const enum adc_channel_num_t channel)

void	adc_disable_interrupt (Adc *p_adc, const uint32_t ul_source)
	Disable ADC interrupts. More...

void	adc_disable_tag (Adc *p_adc)

void	adc_disable_ts (Adc *p_adc)

void	adc_enable_all_channel (Adc *p_adc)
	Enable all ADC channels. More...

void	adc_enable_anch (Adc *p_adc)

void	adc_enable_channel (Adc *p_adc, const enum adc_channel_num_t adc_ch)
	Enable the specified ADC channel. More...

void	adc_enable_channel_differential_input (Adc *p_adc, const enum adc_channel_num_t channel)

void	adc_enable_channel_input_offset (Adc *p_adc, const enum adc_channel_num_t channel)

void	adc_enable_interrupt (Adc *p_adc, const uint32_t ul_source)
	Enable ADC interrupts. More...

void	adc_enable_tag (Adc *p_adc)

void	adc_enable_ts (Adc *p_adc)

uint32_t	adc_get_actual_adc_clock (const Adc *p_adc, const uint32_t ul_mck)
	Return the actual ADC clock. More...

uint32_t	adc_get_channel_status (const Adc *p_adc, const enum adc_channel_num_t adc_ch)
	Read the ADC channel status. More...

uint32_t	adc_get_channel_value (const Adc *p_adc, const enum adc_channel_num_t adc_ch)
	Read the ADC result data of the specified channel. More...

uint32_t	adc_get_comparison_mode (const Adc *p_adc)

uint32_t	adc_get_interrupt_mask (const Adc *p_adc)
	Read ADC interrupt mask. More...

uint32_t	adc_get_latest_value (const Adc *p_adc)
	Read the last ADC result data. More...

uint32_t	adc_get_overrun_status (const Adc *p_adc)

Pdc *	adc_get_pdc_base (const Adc *p_adc)
	Get PDC registers base address. More...

uint32_t	adc_get_status (const Adc *p_adc)

enum adc_channel_num_t	adc_get_tag (const Adc *p_adc)

uint32_t	adc_get_writeprotect_status (const Adc *p_adc)

uint32_t	adc_init (Adc *p_adc, const uint32_t ul_mck, const uint32_t ul_adc_clock, const enum adc_startup_time startup)

void	adc_reset (Adc *p_adc)
	Reset ADC. More...

void	adc_set_averaging_trigger (Adc *p_adc, bool multi)

void	adc_set_bias_current (Adc *p_adc, const uint8_t uc_ibctl)

void	adc_set_calibmode (Adc *p_adc)

void	adc_set_channel_input_gain (Adc *p_adc, const enum adc_channel_num_t channel, const enum adc_gainvalue_t uc_gain)

void	adc_set_comparison_channel (Adc *p_adc, const enum adc_channel_num_t channel)

void	adc_set_comparison_filter (Adc *p_adc, uint8_t filter)

void	adc_set_comparison_mode (Adc *p_adc, const uint8_t uc_mode)

void	adc_set_comparison_window (Adc *p_adc, const uint16_t us_low_threshold, const uint16_t us_high_threshold)

enum status_code	adc_set_internal_reference_voltage (Adc p_adc, struct adc_internal_ref ref)

void	adc_set_resolution (Adc *p_adc, const enum adc_resolution_t resolution)
	Configure the conversion resolution. More...

void	adc_set_writeprotect (Adc *p_adc, const uint32_t ul_enable)

void	adc_start (Adc *p_adc)
	Start analog-to-digital conversion. More...

void	adc_start_sequencer (Adc *p_adc)

void	adc_stop_sequencer (Adc *p_adc)

#define ADC_FREQ_MAX 20000000

#define ADC_FREQ_MIN 1000000

#define ADC_STARTUP_FAST 12

#define ADC_STARTUP_NORM 40

enum adc12b_trigger_t

Enumerator
ADC12B_TRIG_SW
ADC12B_TRIG_EXT
ADC12B_TRIG_TIO_CH_0
ADC12B_TRIG_TIO_CH_1
ADC12B_TRIG_TIO_CH_2
ADC12B_TRIG_PWM_EVENT_LINE_0
ADC12B_TRIG_PWM_EVENT_LINE_1

enum adc_channel_num_t

Enumerator
ADC_CHANNEL_0
ADC_CHANNEL_1
ADC_CHANNEL_2
ADC_CHANNEL_3
ADC_CHANNEL_4
ADC_CHANNEL_5
ADC_CHANNEL_6
ADC_TEMPERATURE_SENSOR

enum adc_gainvalue_t

Enumerator
ADC_GAINVALUE_0
ADC_GAINVALUE_1
ADC_GAINVALUE_2
ADC_GAINVALUE_3

enum adc_internal_ref_voltage

Enumerator
ADC_INTERNAL_REF_2426MV
ADC_INTERNAL_REF_2305MV
ADC_INTERNAL_REF_2184MV
ADC_INTERNAL_REF_2063MV
ADC_INTERNAL_REF_1941MV
ADC_INTERNAL_REF_1820MV
ADC_INTERNAL_REF_1699MV
ADC_INTERNAL_REF_1578MV
ADC_INTERNAL_REF_3396MV
ADC_INTERNAL_REF_3275MV
ADC_INTERNAL_REF_3154MV
ADC_INTERNAL_REF_3032MV
ADC_INTERNAL_REF_2911MV
ADC_INTERNAL_REF_2790MV
ADC_INTERNAL_REF_2699MV
ADC_INTERNAL_REF_2547MV

enum adc_resolution_t

Enumerator
ADC_10_BITS
ADC_12_BITS

enum adc_settling_time_t

Enumerator
ADC_SETTLING_TIME_0
ADC_SETTLING_TIME_1
ADC_SETTLING_TIME_2
ADC_SETTLING_TIME_3

enum adc_startup_time

Definitions for ADC Start Up Time.

Enumerator
ADC_STARTUP_TIME_0
ADC_STARTUP_TIME_1
ADC_STARTUP_TIME_2
ADC_STARTUP_TIME_3
ADC_STARTUP_TIME_4
ADC_STARTUP_TIME_5
ADC_STARTUP_TIME_6
ADC_STARTUP_TIME_7
ADC_STARTUP_TIME_8
ADC_STARTUP_TIME_9
ADC_STARTUP_TIME_10
ADC_STARTUP_TIME_11
ADC_STARTUP_TIME_12
ADC_STARTUP_TIME_13
ADC_STARTUP_TIME_14
ADC_STARTUP_TIME_15

enum adc_temp_cmp_mode

Definitions for Temperature Comparison Mode.

Enumerator
ADC_TEMP_CMP_MODE_0
ADC_TEMP_CMP_MODE_1
ADC_TEMP_CMP_MODE_2
ADC_TEMP_CMP_MODE_3

enum adc_trigger_t

Enumerator
ADC_TRIG_SW
ADC_TRIG_EXT
ADC_TRIG_TIO_CH_0
ADC_TRIG_TIO_CH_1
ADC_TRIG_TIO_CH_2
ADC_TRIG_TIO_CH_3
ADC_TRIG_TIO_CH_4
ADC_TRIG_TIO_CH_5
ADC_TRIG_TIO_CH_6
ADC_TRIG_PWM_EVENT_LINE_0
ADC_TRIG_PWM_EVENT_LINE_1

void adc12b_configure_power_save	(	Adc12b *	p_adc,
		const uint8_t	uc_sleep,
		const uint8_t	uc_offmode
	)

void adc12b_configure_timing	(	Adc12b *	p_adc,
		const uint32_t	ul_sh
	)

void adc12b_configure_trigger	(	Adc12b *	p_adc,
		const enum adc12b_trigger_t	trigger
	)

void adc12b_disable_all_channel ( Adc12b * p_adc )

void adc12b_disable_channel	(	Adc12b *	p_adc,
		const enum adc_channel_num_t	adc_ch
	)

void adc12b_disable_differential_input ( Adc12b * p_adc )

void adc12b_disable_input_offset ( Adc12b * p_adc )

void adc12b_disable_interrupt	(	Adc12b *	p_adc,
		const uint32_t	ul_source
	)

void adc12b_enable_all_channel ( Adc12b * p_adc )

void adc12b_enable_channel	(	Adc12b *	p_adc,
		const enum adc_channel_num_t	adc_ch
	)

void adc12b_enable_differential_input ( Adc12b * p_adc )

void adc12b_enable_input_offset ( Adc12b * p_adc )

void adc12b_enable_interrupt	(	Adc12b *	p_adc,
		const uint32_t	ul_source
	)

uint32_t adc12b_get_actual_adc_clock	(	const Adc12b *	p_adc,
		const uint32_t	ul_mck
	)

uint32_t adc12b_get_channel_status	(	const Adc12b *	p_adc,
		const enum adc_channel_num_t	adc_ch
	)

uint32_t adc12b_get_channel_value	(	const Adc12b *	p_adc,
		const enum adc_channel_num_t	adc_ch
	)

uint32_t adc12b_get_interrupt_mask ( const Adc12b * p_adc )

uint32_t adc12b_get_latest_value ( const Adc12b * p_adc )

Pdc* adc12b_get_pdc_base ( const Adc12b * p_adc )

uint32_t adc12b_get_status ( const Adc12b * p_adc )

uint32_t adc12b_init	(	Adc12b *	p_adc,
		const uint32_t	ul_mck,
		const uint32_t	ul_adc_clock,
		const uint32_t	ul_startuptime,
		const uint32_t	ul_offmode_startuptime
	)

void adc12b_reset ( Adc12b * p_adc )

void adc12b_set_bias_current	(	Adc12b *	p_adc,
		const uint8_t	uc_ibctl
	)

void adc12b_set_input_gain	(	Adc12b *	p_adc,
		const enum adc_gainvalue_t	uc_gain
	)

void adc12b_set_resolution	(	Adc12b *	p_adc,
		const enum adc_resolution_t	resolution
	)

void adc12b_start ( Adc12b * p_adc )

void adc_check	(	Adc *	p_adc,
		const uint32_t	ul_mck
	)

void adc_configure_power_save	(	Adc *	p_adc,
		const uint8_t	uc_sleep,
		const uint8_t	uc_fwup
	)

void adc_configure_sequence	(	Adc *	p_adc,
		const enum adc_channel_num_t	ch_list[],
		const uint8_t	uc_num
	)

void adc_configure_timing	(	Adc *	p_adc,
		const uint8_t	uc_tracking,
		const enum adc_settling_time_t	settling,
		const uint8_t	uc_transfer
	)

void adc_configure_trigger	(	Adc *	p_adc,
		const enum adc_trigger_t	trigger,
		const uint8_t	uc_freerun
	)

void adc_configure_ts_comparison	(	Adc *	p_adc,
		enum adc_temp_cmp_mode	mode,
		uint16_t	low_threshold,
		uint16_t	high_threshold
	)

void adc_disable_anch ( Adc * p_adc )

void adc_disable_channel_differential_input	(	Adc *	p_adc,
		const enum adc_channel_num_t	channel
	)

void adc_disable_channel_input_offset	(	Adc *	p_adc,
		const enum adc_channel_num_t	channel
	)

void adc_disable_tag ( Adc * p_adc )

void adc_disable_ts ( Adc * p_adc )

void adc_enable_anch ( Adc * p_adc )

void adc_enable_channel_differential_input	(	Adc *	p_adc,
		const enum adc_channel_num_t	channel
	)

void adc_enable_channel_input_offset	(	Adc *	p_adc,
		const enum adc_channel_num_t	channel
	)

void adc_enable_tag ( Adc * p_adc )

void adc_enable_ts ( Adc * p_adc )

uint32_t adc_get_comparison_mode ( const Adc * p_adc )

uint32_t adc_get_overrun_status ( const Adc * p_adc )

uint32_t adc_get_status ( const Adc * p_adc )

enum adc_channel_num_t adc_get_tag ( const Adc * p_adc )

uint32_t adc_get_writeprotect_status ( const Adc * p_adc )

uint32_t adc_init	(	Adc *	p_adc,
		const uint32_t	ul_mck,
		const uint32_t	ul_adc_clock,
		const enum adc_startup_time	startup
	)

void adc_set_averaging_trigger	(	Adc *	p_adc,
		bool	multi
	)

void adc_set_bias_current	(	Adc *	p_adc,
		const uint8_t	uc_ibctl
	)

void adc_set_calibmode ( Adc * p_adc )

void adc_set_channel_input_gain	(	Adc *	p_adc,
		const enum adc_channel_num_t	channel,
		const enum adc_gainvalue_t	uc_gain
	)

void adc_set_comparison_channel	(	Adc *	p_adc,
		const enum adc_channel_num_t	channel
	)

void adc_set_comparison_filter	(	Adc *	p_adc,
		uint8_t	filter
	)

void adc_set_comparison_mode	(	Adc *	p_adc,
		const uint8_t	uc_mode
	)

void adc_set_comparison_window	(	Adc *	p_adc,
		const uint16_t	us_low_threshold,
		const uint16_t	us_high_threshold
	)

enum status_code adc_set_internal_reference_voltage	(	Adc *	p_adc,
		struct adc_internal_ref *	ref
	)

void adc_set_writeprotect	(	Adc *	p_adc,
		const uint32_t	ul_enable
	)

void adc_start_sequencer ( Adc * p_adc )

void adc_stop_sequencer ( Adc * p_adc )

Microchip® Advanced Software Framework

Data Structures

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Enumerations

Functions