/***************************************************************************//** * @file mma7455l.c * @brief Header file of Freescale MMA7455L 3 axis Low-g digital output * accelerometer * COPYRIGHT (C) 2011, RT-Thread Development Team * @author onelife * @version 0.4 beta ******************************************************************************* * @section License * The license and distribution terms for this file may be found in the file * LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE ******************************************************************************* * @section Change Logs * Date Author Notes * 2011-08-02 onelife Initial creation ******************************************************************************/ #ifndef __MMA7455L_H__ #define __MMA7455L_H__ #define XOUTL 0x00 //00 10 bits output value X LSB (Read only) #define XOUTH 0x01 //01 10 bits output value X MSB (Read only) #define YOUTL 0x02 //02 10 bits output value Y LSB (Read only) #define YOUTH 0x03 //03 10 bits output value Y MSB (Read only) #define ZOUTL 0x04 //04 10 bits output value Z LSB (Read only) #define ZOUTH 0x05 //05 10 bits output value Z MSB (Read only) #define XOUT8 0x06 //06 8 bits Output value X (Read only) #define YOUT8 0x07 //07 8 bits Output value Y (Read only) #define ZOUT8 0x08 //08 8 bits Output value Z (Read only) #define STATUS 0x09 //09 Status registers (Read only) #define DETSRC 0x0A //10 Detection source registers (Read only) #define TOUT 0x0B //11 Temperature output value (Optional) #define RESERVED1 0x0C //12 Reserved #define I2CAD 0x0D //13 I2C device address (Bit[6:0]: Read only, Bit[7]: Read/Write) #define USRINF 0x0E //14 User information (Optional, Read only) #define WHOAMI 0x0F //15 Who am I value (Optional, Read only) #define XOFFL 0x10 //16 Offset drift X value (LSB) (Read/Write) #define XOFFH 0x11 //17 Offset drift X value (MSB) (Read/Write) #define YOFFL 0x12 //18 Offset drift Y value (LSB) (Read/Write) #define YOFFH 0x13 //19 Offset drift Y value (MSB) (Read/Write) #define ZOFFL 0x14 //20 Offset drift Z value (LSB) (Read/Write) #define ZOFFH 0x15 //21 Offset drift Z value (MSB) (Read/Write) #define MCTL 0x16 //22 Mode control (Read/Write) #define INTRST 0x17 //23 Interrupt latch reset (Read/Write) #define CTL1 0x18 //24 Control 1 (Read/Write) #define CTL2 0x19 //25 Control 2 (Read/Write) #define LDTH 0x1A //26 Level detection threshold limit value (Read/Write) #define PDTH 0x1B //27 Pulse detection threshold limit value (Read/Write) #define PW 0x1C //28 Pulse duration value (Read/Write) #define LT 0x1D //29 Latency time value (Read/Write) #define TW 0x1E //30 Time window for second pulse value(Read/Write) #define RESERVED2 0x1F //31 Reserved /* For DETSRC */ #define DETSRC_INT_1 (0x01 << 0) #define DETSRC_INT_2 (0x01 << 1) #define DETSRC_PULSE_Z (0x01 << 2) #define DETSRC_PULSE_Y (0x01 << 3) #define DETSRC_PULSE_X (0x01 << 4) #define DETSRC_LEVEL_Z (0x01 << 5) #define DETSRC_LEVEL_Y (0x01 << 6) #define DETSRC_LEVEL_X (0x01 << 7) /* For MCTL */ #define MCTL_SHIFT_MODE (0) #define MCTL_SHIFT_G (2) #define MCTL_MASK_MODE (0x03) #define MCTL_MASK_G (0x0c) #define MCTL_MODE_STANDBY (0x00 << MCTL_SHIFT_MODE) #define MCTL_MODE_MEASUREMENT (0x01 << MCTL_SHIFT_MODE) #define MCTL_MODE_LEVEL (0x02 << MCTL_SHIFT_MODE) #define MCTL_MODE_PULSE (0x03 << MCTL_SHIFT_MODE) #define MCTL_RANGE_8G (0x00 << MCTL_SHIFT_G) #define MCTL_RANGE_4G (0x02 << MCTL_SHIFT_G) #define MCTL_RANGE_2G (0x01 << MCTL_SHIFT_G) #define MCTL_PIN_INT1 (0x01 << 6) /* For INTRST */ #define INTRST_INT_1 (0x01 << 0) #define INTRST_INT_2 (0x01 << 1) /* For CTL1 */ #define CTL1_SHIFT_INTPIN (0) #define CTL1_SHIFT_INT (1) #define CTL1_SHIFT_AXES (3) #define CTL1_SHIFT_THRESHOLD (6) #define CTL1_SHIFT_BANDWIDTH (7) #define CTL1_MASK_AXES (0x38) #define CTL1_INTPIN_INVERSE (0x01 << CTL1_SHIFT_INTPIN) #define CTL1_INT_LEVEL_PULSE (0x00 << CTL1_SHIFT_INT) #define CTL1_INT_PULSE_LEVEL (0x01 << CTL1_SHIFT_INT) #define CTL1_INT_SINGLE_DOUBLE (0x02 << CTL1_SHIFT_INT) #define CTL1_X_DISABLE (0x01 << CTL1_SHIFT_AXES) #define CTL1_Y_DISABLE (0x02 << CTL1_SHIFT_AXES) #define CTL1_Z_DISABLE (0x04 << CTL1_SHIFT_AXES) #define CTL1_THRESHOLD_ABSOLUTE (0x00 << CTL1_SHIFT_THRESHOLD) #define CTL1_THRESHOLD_INTEGER (0x01 << CTL1_SHIFT_THRESHOLD) #define CTL1_BANDWIDTH_62_5HZ (0x00 << CTL1_SHIFT_BANDWIDTH) #define CTL1_BANDWIDTH_125HZ (0x01 << CTL1_SHIFT_BANDWIDTH) /* For CTL2 */ #define CTL1_SHIFT_LEVEL (0) #define CTL1_SHIFT_PULSE (1) #define CTL1_SHIFT_DRIVE (2) #define CTL2_LEVEL_OR (0x00 << CTL1_SHIFT_LEVEL) #define CTL2_LEVEL_AND (0x01 << CTL1_SHIFT_LEVEL) #define CTL2_PULSE_OR (0x00 << CTL1_SHIFT_PULSE) #define CTL2_PULSE_AND (0x01 << CTL1_SHIFT_PULSE) #define CTL2_DRIVE_STANDARD (0x00 << CTL1_SHIFT_DRIVE) #define CTL2_DRIVE_STRONG (0x01 << CTL1_SHIFT_DRIVE) #endif /* __MMA7455L_H__ */