SAADC + TIMER (SAADCT)

Timer-triggered SAADC sampling on Nordic nRF devices. More...

Data Structures
struct	saadct_config

Macros
#define	SAADCT_MEAS_BLOCK_HEADER_SIZE   sizeof(void *)
#define	SAADCT_MEAS_BLOCK_SIZE(num_meas, num_channels)

Enumerations
enum	saadct_mode_t { saadct_mode_one_shot , saadct_mode_continuous }

Functions
int	saadct_configure (const struct device *dev, const struct saadct_config *cfg)
	Configure timer-triggered SAADC sampling.
int	saadct_start (const struct device *dev, struct k_mem_slab *slab)
	Start timer-triggered SAADC sampling.
int	saadct_stop (const struct device *dev, bool immediate)
	Stop timer-triggered SAADC sampling.
int	saadct_get (const struct device *dev, nrf_saadc_value_t **data, k_timeout_t timeout)
	Read a completed measurement series.
void	saadct_put (const struct device *dev, nrf_saadc_value_t *data)
	Release a measurement buffer.
uint32_t	saadct_pending (const struct device *dev)
	Get the number of completed series waiting to be read.

Detailed Description

Timer-triggered SAADC sampling on Nordic nRF devices.

SAADCT uses an external TIMER instance and GPPI to trigger the SAADC sample task at a configured rate. Measurement results are delivered as series of interleaved channel samples stored in memory slabs.