ms2100.c File Reference

Driver for the ms2100 magnetic sensor from PNI. More...

#include "peripherals/ms2100.h"
#include "mcu_periph/spi.h"
#include <stdlib.h>

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Macros
#define	MS2100_DIVISOR_128   2
#define	MS2100_DIVISOR_256   3
#define	MS2100_DIVISOR_512   4
#define	MS2100_DIVISOR_1024   5
#define	MS2100_DIVISOR   MS2100_DIVISOR_1024
#define	Int16FromBuf(_buf, _idx)   ((int16_t)((_buf[_idx]<<8) | _buf[_idx+1]))

Functions
void	ms2100_init (struct Ms2100 *ms, struct spi_periph *spi_p, uint8_t slave_idx)
void	ms2100_read (struct Ms2100 *ms)
	send request to read next axis More...
void	ms2100_event (struct Ms2100 *ms)

Variables
struct Ms2100	ms2100

Detailed Description

Driver for the ms2100 magnetic sensor from PNI.

Definition in file ms2100.c.

Macro Definition Documentation

Int16FromBuf

#define Int16FromBuf	(		_buf,
			_idx
	)		((int16_t)((_buf[_idx]<<8) | _buf[_idx+1]))

Definition at line 103 of file ms2100.c.

MS2100_DIVISOR

#define MS2100_DIVISOR   MS2100_DIVISOR_1024

Definition at line 40 of file ms2100.c.

MS2100_DIVISOR_1024

#define MS2100_DIVISOR_1024   5

Definition at line 37 of file ms2100.c.

MS2100_DIVISOR_128

#define MS2100_DIVISOR_128   2

Definition at line 34 of file ms2100.c.

MS2100_DIVISOR_256

#define MS2100_DIVISOR_256   3

Definition at line 35 of file ms2100.c.

MS2100_DIVISOR_512

#define MS2100_DIVISOR_512   4

Definition at line 36 of file ms2100.c.

Function Documentation

ms2100_event()

void ms2100_event

(

struct Ms2100 *

ms

)

Definition at line 105 of file ms2100.c.

References Ms2100::cur_axe, Ms2100::data, Int16FromBuf, MS2100_DATA_AVAILABLE, MS2100_GOT_EOC, MS2100_IDLE, MS2100_READING_RES, Ms2100::read_buf, Ms2100::read_trans, Ms2100::req_trans, Ms2100::spi_p, spi_submit(), SPITransDone, SPITransFailed, SPITransSuccess, spi_transaction::status, and Ms2100::status.

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ms2100_init()

void ms2100_init	(	struct Ms2100 *	ms,
		struct spi_periph *	spi_p,
		uint8_t	slave_idx
	)

Definition at line 47 of file ms2100.c.

References spi_transaction::after_cb, spi_transaction::before_cb, spi_transaction::bitorder, spi_transaction::cdiv, spi_transaction::cpha, spi_transaction::cpol, Ms2100::cur_axe, Ms2100::data, spi_transaction::dss, spi_transaction::input_buf, spi_transaction::input_length, INT_VECT3_ZERO, ms2100_arch_init(), MS2100_IDLE, ms2100_reset_cb(), spi_transaction::output_buf, spi_transaction::output_length, Ms2100::read_buf, Ms2100::read_trans, Ms2100::req_buf, Ms2100::req_trans, spi_transaction::select, spi_transaction::slave_idx, Ms2100::spi_p, SPICphaEdge1, SPICpolIdleLow, SPIDiv64, SPIDss8bit, SPIMSBFirst, SPISelectUnselect, SPITransDone, spi_transaction::status, and Ms2100::status.

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ms2100_read()

void ms2100_read

(

struct Ms2100 *

ms

)

send request to read next axis

Definition at line 96 of file ms2100.c.

References Ms2100::cur_axe, MS2100_DIVISOR, MS2100_SENDING_REQ, Ms2100::req_buf, Ms2100::req_trans, Ms2100::spi_p, spi_submit(), and Ms2100::status.

Referenced by ms2100_periodic().

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Variable Documentation

ms2100

struct Ms2100 ms2100

Definition at line 1 of file ms2100.c.

Referenced by exti9_5_isr().