#include <breezystm32.h>
#include <math.h>

Include dependency graph for drv_hmc5883l.c:

Macros
#define	HMC58X3_ADDR 0x1E

#define	HMC58X3_CRA 0x00

#define	HMC58X3_CRA_AVG_2_MEAS 0x20

#define	HMC58X3_CRA_AVG_4_MEAS 0x40

#define	HMC58X3_CRA_AVG_8_MEAS 0x60

#define	HMC58X3_CRA_DO_0_75 0x00

#define	HMC58X3_CRA_DO_15 0x10

#define	HMC58X3_CRA_DO_1_5 0x04

#define	HMC58X3_CRA_DO_3 0x08

#define	HMC58X3_CRA_DO_30 0x14

#define	HMC58X3_CRA_DO_75 0x18

#define	HMC58X3_CRA_DO_7_5 0x0C

#define	HMC58X3_CRA_MEAS_MODE_NEG_BIAS 0x02

#define	HMC58X3_CRA_MEAS_MODE_NORMAL 0x00

#define	HMC58X3_CRA_MEAS_MODE_POS_BIAS 0x01

#define	HMC58X3_CRA_NO_AVG 0x00

#define	HMC58X3_CRB 0x01

#define	HMC58X3_CRB_GN_1090 0x20

#define	HMC58X3_CRB_GN_1370 0x00

#define	HMC58X3_CRB_GN_230 0xE0

#define	HMC58X3_CRB_GN_330 0xC0

#define	HMC58X3_CRB_GN_390 0xA0

#define	HMC58X3_CRB_GN_440 0x80

#define	HMC58X3_CRB_GN_660 0x60

#define	HMC58X3_CRB_GN_820 0x40

#define	HMC58X3_DATA 0x03

#define	HMC58X3_ID1 0x0A

#define	HMC58X3_ID2 0x0B

#define	HMC58X3_ID3 0x0C

#define	HMC58X3_MODE 0x02

#define	HMC58X3_MODE_CONTINUOUS 0x00

#define	HMC58X3_MODE_HS 0x80

#define	HMC58X3_MODE_IDLE 0x02

#define	HMC58X3_MODE_SINGLE 0x01

#define	HMC58X3_SR_LOCK 0x02

#define	HMC58X3_SR_RDY 0x01

#define	HMC58X3_STATUS 0x09

#define	HMC58X3_TIMEOUT 30000

Functions
void	hmc5883l_async_read (float *mag_data)

bool	hmc5883l_present ()

void	hmc5883l_request_async_update ()

bool	hmc5883lInit ()

static void	read_cb (uint8_t result)

Variables
static uint8_t	cmd

static volatile float	data_ [3]

static uint8_t	i2c_buf_ [6]

static uint32_t	last_update_ms_

static bool	mag_present_

static uint32_t	next_update_ms_

Macro Definition Documentation

#define HMC58X3_ADDR 0x1E

Definition at line 28 of file drv_hmc5883l.c.

#define HMC58X3_CRA 0x00

Definition at line 29 of file drv_hmc5883l.c.

#define HMC58X3_CRA_AVG_2_MEAS 0x20

Definition at line 39 of file drv_hmc5883l.c.

#define HMC58X3_CRA_AVG_4_MEAS 0x40

Definition at line 40 of file drv_hmc5883l.c.

#define HMC58X3_CRA_AVG_8_MEAS 0x60

Definition at line 41 of file drv_hmc5883l.c.

#define HMC58X3_CRA_DO_0_75 0x00

Definition at line 43 of file drv_hmc5883l.c.

#define HMC58X3_CRA_DO_15 0x10

Definition at line 47 of file drv_hmc5883l.c.

#define HMC58X3_CRA_DO_1_5 0x04

Definition at line 44 of file drv_hmc5883l.c.

#define HMC58X3_CRA_DO_3 0x08

Definition at line 45 of file drv_hmc5883l.c.

#define HMC58X3_CRA_DO_30 0x14

Definition at line 48 of file drv_hmc5883l.c.

#define HMC58X3_CRA_DO_75 0x18

Definition at line 49 of file drv_hmc5883l.c.

#define HMC58X3_CRA_DO_7_5 0x0C

Definition at line 46 of file drv_hmc5883l.c.

#define HMC58X3_CRA_MEAS_MODE_NEG_BIAS 0x02

Definition at line 53 of file drv_hmc5883l.c.

#define HMC58X3_CRA_MEAS_MODE_NORMAL 0x00

Definition at line 51 of file drv_hmc5883l.c.

#define HMC58X3_CRA_MEAS_MODE_POS_BIAS 0x01

Definition at line 52 of file drv_hmc5883l.c.

#define HMC58X3_CRA_NO_AVG 0x00

Definition at line 38 of file drv_hmc5883l.c.

#define HMC58X3_CRB 0x01

Definition at line 30 of file drv_hmc5883l.c.

#define HMC58X3_CRB_GN_1090 0x20

Definition at line 56 of file drv_hmc5883l.c.

#define HMC58X3_CRB_GN_1370 0x00

Definition at line 55 of file drv_hmc5883l.c.

#define HMC58X3_CRB_GN_230 0xE0

Definition at line 62 of file drv_hmc5883l.c.

#define HMC58X3_CRB_GN_330 0xC0

Definition at line 61 of file drv_hmc5883l.c.

#define HMC58X3_CRB_GN_390 0xA0

Definition at line 60 of file drv_hmc5883l.c.

#define HMC58X3_CRB_GN_440 0x80

Definition at line 59 of file drv_hmc5883l.c.

#define HMC58X3_CRB_GN_660 0x60

Definition at line 58 of file drv_hmc5883l.c.

#define HMC58X3_CRB_GN_820 0x40

Definition at line 57 of file drv_hmc5883l.c.

#define HMC58X3_DATA 0x03

Definition at line 32 of file drv_hmc5883l.c.

#define HMC58X3_ID1 0x0A

Definition at line 34 of file drv_hmc5883l.c.

#define HMC58X3_ID2 0x0B

Definition at line 35 of file drv_hmc5883l.c.

#define HMC58X3_ID3 0x0C

Definition at line 36 of file drv_hmc5883l.c.

#define HMC58X3_MODE 0x02

Definition at line 31 of file drv_hmc5883l.c.

#define HMC58X3_MODE_CONTINUOUS 0x00

Definition at line 65 of file drv_hmc5883l.c.

#define HMC58X3_MODE_HS 0x80

Definition at line 64 of file drv_hmc5883l.c.

#define HMC58X3_MODE_IDLE 0x02

Definition at line 67 of file drv_hmc5883l.c.

#define HMC58X3_MODE_SINGLE 0x01

Definition at line 66 of file drv_hmc5883l.c.

#define HMC58X3_SR_LOCK 0x02

Definition at line 69 of file drv_hmc5883l.c.

#define HMC58X3_SR_RDY 0x01

Definition at line 70 of file drv_hmc5883l.c.

#define HMC58X3_STATUS 0x09

Definition at line 33 of file drv_hmc5883l.c.

#define HMC58X3_TIMEOUT 30000

Definition at line 72 of file drv_hmc5883l.c.

Function Documentation

void hmc5883l_async_read ( float * mag_data )

Definition at line 138 of file drv_hmc5883l.c.

bool hmc5883l_present ( )

Definition at line 111 of file drv_hmc5883l.c.

void hmc5883l_request_async_update ( )

Definition at line 118 of file drv_hmc5883l.c.

bool hmc5883lInit ( )

Definition at line 83 of file drv_hmc5883l.c.

void read_cb ( uint8_t result )

static

Definition at line 127 of file drv_hmc5883l.c.

Variable Documentation

uint8_t cmd

static

Definition at line 79 of file drv_hmc5883l.c.

volatile float data_[3]

static

Definition at line 75 of file drv_hmc5883l.c.

uint8_t i2c_buf_[6]

static

Definition at line 74 of file drv_hmc5883l.c.

uint32_t last_update_ms_

static

Definition at line 76 of file drv_hmc5883l.c.

bool mag_present_

static

Definition at line 78 of file drv_hmc5883l.c.

uint32_t next_update_ms_

static

Definition at line 77 of file drv_hmc5883l.c.

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation