Diff: OTC.h

Revision:

0:31779183b108

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OTC.h	Mon May 08 22:51:47 2017 +0000
@@ -0,0 +1,45 @@
+
+/* The callback function when motion happen
+   
+ */
+typedef  void (*OTSCallback)(int16_t value);
+
+// Helper macro
+#define BIT_CLEAR(REG,MASK)         (REG &= ~MASK)
+#define BIT_SET(REG,MASK)           (REG |=  MASK)
+#define IS_BIT_CLEAR(REG,MASK)      ((REG & MASK)==0x00)
+#define IS_BIT_SET(REG,MASK)        ((REG & MASK)==MASK)
+
+class Pixart_OTS
+{
+    private:
+       Ticker  m_ticker;
+       I2C     *m_i2c;
+       //Serial  *m_pc;
+       int m_Period;
+       uint8_t m_Address;
+       bool m_WriteEnable;
+       
+       OTSCallback m_OTSCallback;       
+       void periodicCallback(void);       
+       bool PMT9123_init();
+       void PMT9123_ReadMotion();
+       
+       // Internal read and write function that is only single transaction
+       void writeRegister(uint8_t addr, uint8_t data);
+       uint8_t readRegister(uint8_t addr);       
+       
+    public:           
+       /* 
+        * The initial function for Gesture class 
+        * i2c ==> The I2C object from outside, the clock rate should be 400k
+        * Period ==> The polling rate for gesture, in ms
+        * callback ==> The call back function for gesture status
+        * Result ==> The result for initialize
+        */
+       Pixart_OTS(I2C *i2c, int Period,OTSCallback callback,bool &Result);                                             
+       
+       // Public register read and write function, which include steps to ensure successful write and read
+       uint8_t Register_Write(uint8_t addr, uint8_t data);
+       uint8_t Register_Read(uint8_t addr);
+};
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