pcf8591 example driver function

pcf8591 example driver modules More...

Collaboration diagram for pcf8591 example driver function:

Macros
#define	PCF8591_BASIC_DEFAULT_REFERENCE_VOLTAGE   3.3f
	pcf8591 basic example default definition
#define	PCF8591_INCREMENT_DEFAULT_REFERENCE_VOLTAGE   3.3f
	pcf8591 increment example default definition

Functions
uint8_t	pcf8591_basic_init (pcf8591_address_t addr, pcf8591_mode_t mode)
	basic example init
uint8_t	pcf8591_basic_deinit (void)
	basic example deinit
uint8_t	pcf8591_basic_set_channel (pcf8591_channel_t channel)
	basic example set the channel
uint8_t	pcf8591_basic_read (int16_t *raw, float *adc)
	basic example read the adc
uint8_t	pcf8591_basic_write (float dac)
	basic example write the dac
uint8_t	pcf8591_increment_init (pcf8591_address_t addr, pcf8591_mode_t mode)
	increment example init
uint8_t	pcf8591_increment_deinit (void)
	increment example deinit
uint8_t	pcf8591_increment_read (int16_t *raw, float *adc, uint8_t *len)
	increment example read the adc
uint8_t	pcf8591_increment_write (float dac)
	increment example write the dac

Detailed Description

pcf8591 example driver modules

Macro Definition Documentation

PCF8591_BASIC_DEFAULT_REFERENCE_VOLTAGE

#define PCF8591_BASIC_DEFAULT_REFERENCE_VOLTAGE   3.3f

pcf8591 basic example default definition

set 3.3V reference voltage

Definition at line 57 of file driver_pcf8591_basic.h.

PCF8591_INCREMENT_DEFAULT_REFERENCE_VOLTAGE

#define PCF8591_INCREMENT_DEFAULT_REFERENCE_VOLTAGE   3.3f

pcf8591 increment example default definition

set 3.3V reference voltage

Definition at line 55 of file driver_pcf8591_increment.h.

Function Documentation

pcf8591_basic_deinit()

uint8_t pcf8591_basic_deinit

(

void

)

basic example deinit

Returns

status code

• 0 success
• 1 deinit failed

Note

none

Definition at line 122 of file driver_pcf8591_basic.c.

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pcf8591_basic_init()

uint8_t pcf8591_basic_init	(	pcf8591_address_t	addr,
		pcf8591_mode_t	mode )

basic example init

Parameters

[in]	addr	iic device address
[in]	mode	adc mode

Returns

status code

• 0 success
• 1 init failed

Note

none

Definition at line 51 of file driver_pcf8591_basic.c.

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pcf8591_basic_read()

uint8_t pcf8591_basic_read	(	int16_t *	raw,
		float *	adc )

basic example read the adc

Parameters

[out]	*raw	pointer to a raw adc buffer
[out]	*adc	pointer to a converted adc buffer

Returns

status code

• 0 success
• 1 read failed

Note

none

Definition at line 166 of file driver_pcf8591_basic.c.

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pcf8591_basic_set_channel()

uint8_t pcf8591_basic_set_channel

(

pcf8591_channel_t

channel

)

basic example set the channel

Parameters

[in]

channel

adc channel

Returns

status code

• 0 success
• 1 set channel failed

Note

none

Definition at line 143 of file driver_pcf8591_basic.c.

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pcf8591_basic_write()

uint8_t pcf8591_basic_write

(

float

dac

)

basic example write the dac

Parameters

[in]

dac

converted dac value

Returns

status code

• 0 success
• 1 write failed

Note

none

Definition at line 187 of file driver_pcf8591_basic.c.

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pcf8591_increment_deinit()

uint8_t pcf8591_increment_deinit

(

void

)

increment example deinit

Returns

status code

• 0 success
• 1 deinit failed

Note

none

Definition at line 122 of file driver_pcf8591_increment.c.

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pcf8591_increment_init()

uint8_t pcf8591_increment_init	(	pcf8591_address_t	addr,
		pcf8591_mode_t	mode )

increment example init

Parameters

[in]	addr	iic device address
[in]	mode	adc mode

Returns

status code

• 0 success
• 1 init failed

Note

none

Definition at line 51 of file driver_pcf8591_increment.c.

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pcf8591_increment_read()

uint8_t pcf8591_increment_read	(	int16_t *	raw,
		float *	adc,
		uint8_t *	len )

increment example read the adc

Parameters

[out]	*raw	pointer to a raw adc buffer
[out]	*adc	pointer to a converted adc buffer
[in,out]	*len	pointer to a input buffer length address

Returns

status code

• 0 success
• 1 read failed

Note

len means max length of raw and adc input buffer and return the read length of raw and adc

Definition at line 145 of file driver_pcf8591_increment.c.

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pcf8591_increment_write()

uint8_t pcf8591_increment_write

(

float

dac

)

increment example write the dac

Parameters

[in]

dac

converted dac value

Returns

status code

• 0 success
• 1 write failed

Note

none

Definition at line 165 of file driver_pcf8591_increment.c.

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