mma7341l.h File Reference

API driver for MMA7341L accelerometer component.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

#include "compiler.h"
#include "board.h"
#include "conf_mma7341l.h"

Data Structures
struct	acc_t
struct	xyz_g_t
struct	xyz_t

Macros
#define	MMA7341L_1G   (0x88 >> MMA7341L_SHIFT)
	Accelerometer delta 1g digital value is 0.44/3.3 * 0x400 (10-bit ADC) More...
#define	MMA7341L_ADC_CHANNEL_X   2
#define	MMA7341L_ADC_CHANNEL_Y   6
#define	MMA7341L_ADC_CHANNEL_Z   7
#define	MMA7341L_DOWM_RIGHT   8
#define	MMA7341L_DOWN   2
#define	MMA7341L_DOWN_LEFT   7
#define	MMA7341L_EOC_X   (0x1u << MMA7341L_ADC_CHANNEL_X)
#define	MMA7341L_EOC_Y   (0x1u << MMA7341L_ADC_CHANNEL_Y)
#define	MMA7341L_EOC_Z   (0x1u << MMA7341L_ADC_CHANNEL_Z)
#define	MMA7341L_LEFT   3
#define	MMA7341L_NORMAL_MODE   1
	Definition of MMA7341L working mode. More...
#define	MMA7341L_RIGHT   4
#define	MMA7341L_SHIFT   0
	Accelerometer filtering value. More...
#define	MMA7341L_SLEEP_MODE   0
#define	MMA7341L_UNCHANGED   0
#define	MMA7341L_UP   1
#define	MMA7341L_UP_LEFT   6
#define	MMA7341L_UP_RIGHT   5
#define	MMA7341L_ZERO   (0x1FF >> MMA7341L_SHIFT)
	Accelerometer 0g output voltage value is 1.65v, converted digital value 0x400/2 (10-bit ADC) More...
#define	MMA7341L_ZERO_X   MMA7341L_ZERO
#define	MMA7341L_ZERO_Y   MMA7341L_ZERO
#define	MMA7341L_ZERO_Z   MMA7341L_ZERO

Functions
void	mma7341l_calibration (void)
	Calibrate MMA7341L component and set the present axis value. More...
xyz_g_t	mma7341l_get_gravity_value (void)
	Get the gravity value of x,y,z axis. More...
uint32_t	mma7341l_get_rotation_dir (void)
	Check if the tilt angle is big enough. More...
void	mma7341l_init (void)
	Initialize MMA7341L. More...
void	mma7341l_set_mode (uint8_t uc_mode)
	Set MMA7341L working mode. More...

#define MMA7341L_1G   (0x88 >> MMA7341L_SHIFT)

Accelerometer delta 1g digital value is 0.44/3.3 * 0x400 (10-bit ADC)

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_ADC_CHANNEL_X   2

Referenced by mma7341l_init().

#define MMA7341L_ADC_CHANNEL_Y   6

Referenced by mma7341l_init().

#define MMA7341L_ADC_CHANNEL_Z   7

Referenced by mma7341l_init().

#define MMA7341L_DOWM_RIGHT   8

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_DOWN   2

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_DOWN_LEFT   7

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_EOC_X   (0x1u << MMA7341L_ADC_CHANNEL_X)

#define MMA7341L_EOC_Y   (0x1u << MMA7341L_ADC_CHANNEL_Y)

#define MMA7341L_EOC_Z   (0x1u << MMA7341L_ADC_CHANNEL_Z)

#define MMA7341L_LEFT   3

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_NORMAL_MODE   1

Definition of MMA7341L working mode.

#define MMA7341L_RIGHT   4

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_SHIFT   0

Accelerometer filtering value.

Referenced by mma7341l_get_value().

#define MMA7341L_SLEEP_MODE   0

#define MMA7341L_UNCHANGED   0

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_UP   1

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_UP_LEFT   6

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_UP_RIGHT   5

Referenced by mma7341l_get_rotation_dir().

#define MMA7341L_ZERO   (0x1FF >> MMA7341L_SHIFT)

Accelerometer 0g output voltage value is 1.65v, converted digital value 0x400/2 (10-bit ADC)

#define MMA7341L_ZERO_X   MMA7341L_ZERO

#define MMA7341L_ZERO_Y   MMA7341L_ZERO

#define MMA7341L_ZERO_Z   MMA7341L_ZERO