compass_hmc5883l.c File Reference

#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <math.h>
#include <platform.h>
#include "debug.h"
#include "common/axis.h"
#include "common/maths.h"
#include "system.h"
#include "nvic.h"
#include "gpio.h"
#include "bus_i2c.h"
#include "light_led.h"
#include "sensor.h"
#include "compass.h"
#include "compass_hmc5883l.h"

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Macros
#define	MAG_ADDRESS   0x1E
#define	MAG_DATA_REGISTER   0x03
#define	HMC58X3_R_CONFA   0
#define	HMC58X3_R_CONFB   1
#define	HMC58X3_R_MODE   2
#define	HMC58X3_X_SELF_TEST_GAUSS   (+1.16f)
#define	HMC58X3_Y_SELF_TEST_GAUSS   (+1.16f)
#define	HMC58X3_Z_SELF_TEST_GAUSS   (+1.08f)
#define	SELF_TEST_LOW_LIMIT   (243.0f / 390.0f)
#define	SELF_TEST_HIGH_LIMIT   (575.0f / 390.0f)
#define	HMC_POS_BIAS   1
#define	HMC_NEG_BIAS   2

Functions
void	MAG_DATA_READY_EXTI_Handler (void)
bool	hmc5883lDetect (mag_t *mag, const hmc5883Config_t *hmc5883ConfigToUse)
void	hmc5883lInit (void)
bool	hmc5883lRead (int16_t *magData)

Macro Definition Documentation

#define HMC58X3_R_CONFA   0

#define HMC58X3_R_CONFB   1

#define HMC58X3_R_MODE   2

#define HMC58X3_X_SELF_TEST_GAUSS   (+1.16f)

#define HMC58X3_Y_SELF_TEST_GAUSS   (+1.16f)

#define HMC58X3_Z_SELF_TEST_GAUSS   (+1.08f)

#define HMC_NEG_BIAS   2

#define HMC_POS_BIAS   1

#define MAG_ADDRESS   0x1E

#define MAG_DATA_REGISTER   0x03

#define SELF_TEST_HIGH_LIMIT   (575.0f / 390.0f)

#define SELF_TEST_LOW_LIMIT   (243.0f / 390.0f)

Function Documentation

bool hmc5883lDetect	(	mag_t *	mag,
		const hmc5883Config_t *	hmc5883ConfigToUse
	)

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void hmc5883lInit

(

void

)

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bool hmc5883lRead

(

int16_t *

magData

)

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void MAG_DATA_READY_EXTI_Handler

(

void

)

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