scd4x extern driver function

scd4x extern driver modules More...

Collaboration diagram for scd4x extern driver function:

Functions
uint8_t	scd4x_set_reg (scd4x_handle_t *handle, uint16_t reg, uint8_t *buf, uint16_t len)
	set the chip register
uint8_t	scd4x_get_reg (scd4x_handle_t *handle, uint16_t reg, uint8_t *buf, uint16_t len, uint16_t delay_ms)
	get the chip register

Detailed Description

scd4x extern driver modules

Function Documentation

scd4x_get_reg()

uint8_t scd4x_get_reg	(	scd4x_handle_t *	handle,
		uint16_t	reg,
		uint8_t *	buf,
		uint16_t	len,
		uint16_t	delay_ms )

get the chip register

Parameters

[in]	*handle	pointer to an scd4x handle structure
[in]	reg	iic register address
[out]	*buf	pointer to a data buffer
[in]	len	data buffer length
[in]	delay_ms	delay time in ms

Returns

status code

• 0 success
• 1 read failed
• 2 handle is NULL
• 3 handle is not initialized

Note

none

Definition at line 1872 of file driver_scd4x.c.

scd4x_set_reg()

uint8_t scd4x_set_reg	(	scd4x_handle_t *	handle,
		uint16_t	reg,
		uint8_t *	buf,
		uint16_t	len )

set the chip register

Parameters

[in]	*handle	pointer to an scd4x handle structure
[in]	reg	iic register address
[in]	*buf	pointer to a data buffer
[in]	len	data buffer length

Returns

status code

• 0 success
• 1 write failed
• 2 handle is NULL
• 3 handle is not initialized

Note

none

Definition at line 1844 of file driver_scd4x.c.