amt22.h File Reference

#include "mcu_periph/spi.h"
#include "modules/core/threads.h"

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Data Structures
struct	amt22_config_t
struct	amt22_t

Enumerations
enum	amt22_type { AMT22_12_SINGLE , AMT22_14_SINGLE , AMT22_12_MULTI , AMT22_14_MULTI }

Functions
void	amt22_init (amt22_t *amt22, amt22_config_t *conf)
void	amt22_periodic (amt22_t *amt22)
uint16_t	amt22_get_position (amt22_t *amt22)
int16_t	amt22_get_turns (amt22_t *amt22)

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Data Structure Documentation

amt22_config_t

struct amt22_config_t

Definition at line 13 of file amt22.h.

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Data Fields
struct spi_periph *	p
uint8_t	slave_idx
enum amt22_type	type

amt22_t

struct amt22_t

Definition at line 19 of file amt22.h.

Collaboration diagram for amt22_t:

Data Fields
pprz_bsem_t	bsem_amt22_read
amt22_config_t *	config
pprz_mutex_t	mtx
uint16_t	position
volatile uint8_t	spi_input_buf[4]
volatile uint8_t	spi_output_buf[4]
pprz_thread_t	thd_handle
struct spi_transaction	trans
int16_t	turns

Enumeration Type Documentation

amt22_type

enum amt22_type

Enumerator
AMT22_12_SINGLE	12-bits, single-turn
AMT22_14_SINGLE	14-bits, single-turn
AMT22_12_MULTI	12-bits, multi-turn
AMT22_14_MULTI	14-bits, multi-turn

Definition at line 6 of file amt22.h.

Function Documentation

amt22_get_position()

uint16_t amt22_get_position

(

amt22_t *

amt22

)

Definition at line 111 of file amt22.c.

References amt, pprz_mtx_lock(), and pprz_mtx_unlock().

Referenced by encoder_amt22_periodic().

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amt22_get_turns()

int16_t amt22_get_turns

(

amt22_t *

amt22

)

Definition at line 118 of file amt22.c.

References amt, pprz_mtx_lock(), and pprz_mtx_unlock().

Referenced by encoder_amt22_periodic().

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amt22_init()

void amt22_init	(	amt22_t *	amt22,
		amt22_config_t *	conf
	)

Definition at line 12 of file amt22.c.

References amt, AMT22_12_SINGLE, AMT22_14_SINGLE, AMT22_SPI_CDIV, amt22_thd(), foo, pprz_bsem_init(), pprz_mtx_init(), PPRZ_NORMAL_PRIO, pprz_thread_create(), SPICphaEdge1, SPICpolIdleLow, SPIDss8bit, SPIMSBFirst, SPISelectUnselect, and SPITransDone.

Referenced by encoder_amt22_init().

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amt22_periodic()

void amt22_periodic

(

amt22_t *

amt22

)

Definition at line 52 of file amt22.c.

References amt, and pprz_bsem_signal().

Referenced by encoder_amt22_periodic().

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