Diff: MMA8451Q.h

Revision:

0:7c9ab58f6af3

diff -r 000000000000 -r 7c9ab58f6af3 MMA8451Q.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8451Q.h	Wed Jun 04 19:16:47 2014 +0000
@@ -0,0 +1,80 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+* Copyright (c) 2014 Antonio Quevedo, UNICAMP
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef MMA8451Q_H
+#define MMA8451Q_H
+
+#include "mbed.h"
+
+/**
+* MMA8451Q accelerometer example, 8-bit samples
+*
+* @code
+* #include "mbed.h"
+* #include "MMA8451Q.h"
+* 
+* int main(void) {
+* 
+* MMA8451Q acc(PTE25, PTE24);
+* PwmOut rled(LED_RED);
+* PwmOut gled(LED_GREEN);
+* PwmOut bled(LED_BLUE);
+* uint8_t data[3];
+*
+*     while (true) {
+          acc.getAccAllAxis(data);       
+*         rled = 1.0 - abs(data[0]/128);
+*         gled = 1.0 - abs(data[0]/128);
+*         bled = 1.0 - abs(data[0]/128);
+*         wait(0.4);
+*     }
+* }
+* @endcode
+*/
+class MMA8451Q
+{
+public:
+  /**
+  * MMA8451Q constructor
+  *
+  * @param sda SDA pin
+  * @param sdl SCL pin
+  */
+  MMA8451Q(PinName sda, PinName scl);
+
+  /**
+  * MMA8451Q destructor
+  */
+  ~MMA8451Q();
+
+  /**
+   * Get XYZ axis acceleration, 8-bits
+   *
+   * @param res array where acceleration data will be stored
+   */
+  void getAccAllAxis(int16_t * res);
+
+private:
+  I2C m_i2c;
+  void readRegs(int addr, uint8_t * data, int len);
+  void writeRegs(uint8_t * data, int len);
+
+};
+
+#endif
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