The mma8491q.h contains the MMA8491Q Multifunction Digital Accelerometer register definitions, access macros, and device access functions. More...

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Data Structures
union	MMA8491Q_STATUS_t

union	MMA8491Q_OUT_X_LSB_t

union	MMA8491Q_OUT_Y_LSB_t

union	MMA8491Q_OUT_Z_LSB_t

Macros
#define	MMA8491Q_I2C_ADDRESS (0x55) /* MMA8491Q I2C Slave Address. */

#define	MMA8491Q_T_RST_MIN (1U) /* Approx time between falling edge of EN and next rising edge of EN. */

#define	MMA8491Q_T_ON_TYPICAL (1U) /* Approx time taken for Data to become available after rising edge of EN. */

#define	MMA8491Q_STATUS_XDR_MASK ((uint8_t)0x01)

#define	MMA8491Q_STATUS_XDR_SHIFT ((uint8_t)0)

#define	MMA8491Q_STATUS_YDR_MASK ((uint8_t)0x02)

#define	MMA8491Q_STATUS_YDR_SHIFT ((uint8_t)1)

#define	MMA8491Q_STATUS_ZDR_MASK ((uint8_t)0x04)

#define	MMA8491Q_STATUS_ZDR_SHIFT ((uint8_t)2)

#define	MMA8491Q_STATUS_ZYXDR_MASK ((uint8_t)0x08)

#define	MMA8491Q_STATUS_ZYXDR_SHIFT ((uint8_t)3)

#define	MMA8491Q_STATUS_RESERVED_MASK ((uint8_t)0xF0)

#define	MMA8491Q_STATUS_RESERVED_SHIFT ((uint8_t)4)

#define	MMA8491Q_STATUS_XDR_DRDY ((uint8_t)0x01) /* - Set to 1 whenever new X-axis data acquisition is */

#define	MMA8491Q_STATUS_YDR_DRDY ((uint8_t)0x02) /* - Set to 1 whenever new Y-axis data acquisition is */

#define	MMA8491Q_STATUS_ZDR_DRDY ((uint8_t)0x04) /* - Set to 1 whenever new Z-axis data acquisition is */

#define	MMA8491Q_STATUS_ZYXDR_DRDY ((uint8_t)0x08) /* - Signals that new acquisition for any of the enabled */

#define	MMA8491Q_STATUS_RESERVED_ZERO ((uint8_t)0x00) /* - Value of reserved field. */

#define	MMA8491Q_OUT_X_LSB_OUT_X_LSB_MASK ((uint8_t)0xFC)

#define	MMA8491Q_OUT_X_LSB_OUT_X_LSB_SHIFT ((uint8_t)2)

#define	MMA8491Q_OUT_Y_LSB_OUT_Y_LSB_MASK ((uint8_t)0xFC)

#define	MMA8491Q_OUT_Y_LSB_OUT_Y_LSB_SHIFT ((uint8_t)2)

#define	MMA8491Q_OUT_Z_LSB_OUT_Z_LSB_MASK ((uint8_t)0xFC)

#define	MMA8491Q_OUT_Z_LSB_OUT_Z_LSB_SHIFT ((uint8_t)2)

Typedefs
typedef uint8_t	MMA8491Q_OUT_X_MSB_t

typedef uint8_t	MMA8491Q_OUT_Y_MSB_t

typedef uint8_t	MMA8491Q_OUT_Z_MSB_t

Enumerations
enum	{ MMA8491Q_STATUS = 0x00, MMA8491Q_OUT_X_MSB = 0x01, MMA8491Q_OUT_X_LSB = 0x02, MMA8491Q_OUT_Y_MSB = 0x03, MMA8491Q_OUT_Y_LSB = 0x04, MMA8491Q_OUT_Z_MSB = 0x05, MMA8491Q_OUT_Z_LSB = 0x06 }

Detailed Description

The mma8491q.h contains the MMA8491Q Multifunction Digital Accelerometer register definitions, access macros, and device access functions.

Copyright: Copyright (c) 2016, Freescale Semiconductor, Inc.

Definition in file mma8491q.h.

Macro Definition Documentation

◆ MMA8491Q_I2C_ADDRESS

#define MMA8491Q_I2C_ADDRESS (0x55) /* MMA8491Q I2C Slave Address. */

Definition at line 27 of file mma8491q.h.

Referenced by ADS_DetectShield().

◆ MMA8491Q_OUT_X_LSB_OUT_X_LSB_MASK

#define MMA8491Q_OUT_X_LSB_OUT_X_LSB_MASK ((uint8_t)0xFC)

Definition at line 121 of file mma8491q.h.

◆ MMA8491Q_OUT_X_LSB_OUT_X_LSB_SHIFT

#define MMA8491Q_OUT_X_LSB_OUT_X_LSB_SHIFT ((uint8_t)2)

Definition at line 122 of file mma8491q.h.

◆ MMA8491Q_OUT_Y_LSB_OUT_Y_LSB_MASK

#define MMA8491Q_OUT_Y_LSB_OUT_Y_LSB_MASK ((uint8_t)0xFC)

Definition at line 154 of file mma8491q.h.

◆ MMA8491Q_OUT_Y_LSB_OUT_Y_LSB_SHIFT

#define MMA8491Q_OUT_Y_LSB_OUT_Y_LSB_SHIFT ((uint8_t)2)

Definition at line 155 of file mma8491q.h.

◆ MMA8491Q_OUT_Z_LSB_OUT_Z_LSB_MASK

#define MMA8491Q_OUT_Z_LSB_OUT_Z_LSB_MASK ((uint8_t)0xFC)

Definition at line 187 of file mma8491q.h.

◆ MMA8491Q_OUT_Z_LSB_OUT_Z_LSB_SHIFT

#define MMA8491Q_OUT_Z_LSB_OUT_Z_LSB_SHIFT ((uint8_t)2)

Definition at line 188 of file mma8491q.h.

◆ MMA8491Q_STATUS_RESERVED_MASK

#define MMA8491Q_STATUS_RESERVED_MASK ((uint8_t)0xF0)

Definition at line 71 of file mma8491q.h.

Referenced by ADS_DetectShield(), and MMA8491Q_I2C_Initialize().

◆ MMA8491Q_STATUS_RESERVED_SHIFT

#define MMA8491Q_STATUS_RESERVED_SHIFT ((uint8_t)4)

Definition at line 72 of file mma8491q.h.

◆ MMA8491Q_STATUS_RESERVED_ZERO

#define MMA8491Q_STATUS_RESERVED_ZERO ((uint8_t)0x00) /* - Value of reserved field. */

Definition at line 90 of file mma8491q.h.

Referenced by MMA8491Q_I2C_Initialize().

◆ MMA8491Q_STATUS_XDR_DRDY

#define MMA8491Q_STATUS_XDR_DRDY ((uint8_t)0x01) /* - Set to 1 whenever new X-axis data acquisition is */

Definition at line 77 of file mma8491q.h.

◆ MMA8491Q_STATUS_XDR_MASK

#define MMA8491Q_STATUS_XDR_MASK ((uint8_t)0x01)

Definition at line 59 of file mma8491q.h.

◆ MMA8491Q_STATUS_XDR_SHIFT

#define MMA8491Q_STATUS_XDR_SHIFT ((uint8_t)0)

Definition at line 60 of file mma8491q.h.

◆ MMA8491Q_STATUS_YDR_DRDY

#define MMA8491Q_STATUS_YDR_DRDY ((uint8_t)0x02) /* - Set to 1 whenever new Y-axis data acquisition is */

Definition at line 80 of file mma8491q.h.

◆ MMA8491Q_STATUS_YDR_MASK

#define MMA8491Q_STATUS_YDR_MASK ((uint8_t)0x02)

Definition at line 62 of file mma8491q.h.

◆ MMA8491Q_STATUS_YDR_SHIFT

#define MMA8491Q_STATUS_YDR_SHIFT ((uint8_t)1)

Definition at line 63 of file mma8491q.h.

◆ MMA8491Q_STATUS_ZDR_DRDY

#define MMA8491Q_STATUS_ZDR_DRDY ((uint8_t)0x04) /* - Set to 1 whenever new Z-axis data acquisition is */

Definition at line 83 of file mma8491q.h.

◆ MMA8491Q_STATUS_ZDR_MASK

#define MMA8491Q_STATUS_ZDR_MASK ((uint8_t)0x04)

Definition at line 65 of file mma8491q.h.

◆ MMA8491Q_STATUS_ZDR_SHIFT

#define MMA8491Q_STATUS_ZDR_SHIFT ((uint8_t)2)

Definition at line 66 of file mma8491q.h.

◆ MMA8491Q_STATUS_ZYXDR_DRDY

#define MMA8491Q_STATUS_ZYXDR_DRDY ((uint8_t)0x08) /* - Signals that new acquisition for any of the enabled */

Definition at line 86 of file mma8491q.h.

◆ MMA8491Q_STATUS_ZYXDR_MASK

#define MMA8491Q_STATUS_ZYXDR_MASK ((uint8_t)0x08)

Definition at line 68 of file mma8491q.h.

Referenced by main().

◆ MMA8491Q_STATUS_ZYXDR_SHIFT

#define MMA8491Q_STATUS_ZYXDR_SHIFT ((uint8_t)3)

Definition at line 69 of file mma8491q.h.

◆ MMA8491Q_T_ON_TYPICAL

#define MMA8491Q_T_ON_TYPICAL (1U) /* Approx time taken for Data to become available after rising edge of EN. */

Definition at line 30 of file mma8491q.h.

Referenced by ADS_DetectShield(), and mma8491q_en_delay().

◆ MMA8491Q_T_RST_MIN

#define MMA8491Q_T_RST_MIN (1U) /* Approx time between falling edge of EN and next rising edge of EN. */

Definition at line 29 of file mma8491q.h.

Typedef Documentation

◆ MMA8491Q_OUT_X_MSB_t

typedef uint8_t MMA8491Q_OUT_X_MSB_t

Definition at line 99 of file mma8491q.h.

◆ MMA8491Q_OUT_Y_MSB_t

typedef uint8_t MMA8491Q_OUT_Y_MSB_t

Definition at line 132 of file mma8491q.h.

◆ MMA8491Q_OUT_Z_MSB_t

typedef uint8_t MMA8491Q_OUT_Z_MSB_t

Definition at line 165 of file mma8491q.h.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

MMA8491Q Sensor Internal Registers

Enumerator
MMA8491Q_STATUS
MMA8491Q_OUT_X_MSB
MMA8491Q_OUT_X_LSB
MMA8491Q_OUT_Y_MSB
MMA8491Q_OUT_Y_LSB
MMA8491Q_OUT_Z_MSB
MMA8491Q_OUT_Z_LSB

Definition at line 16 of file mma8491q.h.

Data Structures

Macros

Typedefs

Enumerations