Diff: mma8452.h

Revision:

0:65b19bf1382a

Child:

1:bda670d7a481

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mma8452.h	Sun Jul 02 16:04:27 2017 +0000
@@ -0,0 +1,81 @@
+/*
+ * 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;
+};
+    
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