MMA8452Q, 3-axis, 12-bit/8-bit digital accelerometer library. Developed by aconno dev team. For example program with the library, contact us.
Dependents: acd52832_BLE_VF_GeoBeacon
mma8452.h
- Committer:
- jurica238814
- Date:
- 2017-07-02
- Revision:
- 0:65b19bf1382a
- Child:
- 1:bda670d7a481
File content as of revision 0:65b19bf1382a:
/* * Library for mma8452 3-Axis, 12-bit/8-bit, Digital Accelerometer * Made by Jurica Resetar * jurica_resetar@yahoo.com * * All rights reserved */ #include "mbed.h" #define SA0 1 #if SA0 #define MMA8452_ADDRESS 0x1D // SA0 is high, 0x1C if low - #else #define MMA8452_ADDRESS 0x1C #endif #define STATUS 0x00 // Type 'read' : Real time status, should return 0x00 #define OUT_X_MSB 0x01 // Type 'read' : x axis - 8 most significatn bit of a 12 bit sample #define OUT_X_LSB 0x02 // Type 'read' : x axis - 4 least significatn bit of a 12 bit sample #define OUT_Y_MSB 0x03 // Type 'read' : y axis - 8 most significatn bit of a 12 bit sample #define OUT_Y_LSB 0x04 // Type 'read' : y axis - 4 least significatn bit of a 12 bit sample #define OUT_Z_MSB 0x05 // Type 'read' : z axis - 8 most significatn bit of a 12 bit sample #define OUT_Z_LSB 0x06 // Type 'read' : z axis - 4 least significatn bit of a 12 bit sample #define SYSMOD 0x0B // Type 'read' : This tells you if device is active, sleep or standy 0x00=STANDBY 0x01=WAKE 0x02=SLEEP #define WHO_AM_I 0x0D // Type 'read' : This should return the device id of 0x2A #define PL_STATUS 0x10 // Type 'read' : This shows portrait landscape mode orientation #define PL_CFG 0x11 // Type 'read/write' : This allows portrait landscape configuration #define PL_COUNT 0x12 // Type 'read' : This is the portraint landscape debounce counter #define PL_BF_ZCOMP 0x13 // Type 'read' : #define PL_THS_REG 0x14 // Type 'read' : #define FF_MT_CFG 0X15 // Type 'read/write' : Freefaul motion functional block configuration #define FF_MT_SRC 0X16 // Type 'read' : Freefaul motion event source register #define FF_MT_THS 0X17 // Type 'read' : Freefaul motion threshold register #define FF_COUNT 0X18 // Type 'read' : Freefaul motion debouce counter #define ASLP_COUNT 0x29 // Type 'read/write' : Counter settings for auto sleep #define CTRL_REG_1 0x2A // Type 'read/write' : #define CTRL_REG_2 0x2B // Type 'read/write' : #define CTRL_REG_3 0x2C // Type 'read/write' : #define CTRL_REG_4 0x2D // Type 'read/write' : #define CTRL_REG_5 0x2E // Type 'read/write' : // Defined in table 13 of the Freescale PDF #define STANDBY 0x00 // State value returned after a SYSMOD request, it can be in state STANDBY, WAKE or SLEEP #define WAKE 0x01 // State value returned after a SYSMOD request, it can be in state STANDBY, WAKE or SLEEP #define SLEEP 0x02 // State value returned after a SYSMOD request, it can be in state STANDBY, WAKE or SLEEP #define ACTIVE 0x01 // Stage value returned and set in Control Register 1, it can be STANDBY=00, or ACTIVE=01 #define TILT_STATUS 0x03 // Tilt Status (Read only) #define SRST_STATUS 0x04 // Sample Rate Status Register (Read only) #define SPCNT_STATUS 0x05 // Sleep Count Register (Read/Write) #define INTSU_STATUS 0x06 // Interrupt Setup Register #define MODE_STATUS 0x07 // Mode Register (Read/Write) #define SR_STATUS 0x08 // Auto-Wake and Active Mode Portrait/Landscape Samples per Seconds Register (Read/Write) #define PDET_STATUS 0x09 // Tap/Pulse Detection Register (Read/Write) #define PD_STATUS 0xA // Tap/Pulse Debounce Count Register (Read/Write) class Acc_MMA8452{ public: Acc_MMA8452(PinName sda, PinName scl, char address); ~Acc_MMA8452(); //uint8_tinit(); uint8_t set_register(char reg, char data); uint8_t get_register(char reg, char *data); uint8_t get_x_acc(char *data); uint8_t get_y_acc(char *data); uint8_t get_z_acc(char *data); char acc_address; private: I2C i2c; };