Diff: Pixart_OFN.h

Revision:

0:4237dc1f43b4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Pixart_OFN.h	Wed Feb 27 21:08:43 2019 +0000
@@ -0,0 +1,52 @@
+/* PixArt Optical Finger Navigation, OFN, sensor driver.
+ * By PixArt Imaging Inc.
+ * Primary Engineer: Hill Chen (PixArt USA)
+ *
+ * License: Apache-2.0; http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+#include "Build_info.h"
+
+#ifdef DEBUG
+    #define DEBUG_PRINT(...)    m_pc->printf(__VA_ARGS__)
+#else
+    #define DEBUG_PRINT(...)    {}
+#endif
+
+#define P_ADDR  (0x57 << 1) //A350 I2C address, A1/A0 = high
+#define I2C_ADDR P_ADDR
+#define PXI_WMI 0x88
+
+class Pixart_OFN
+{
+    private:        
+        Serial  *m_pc;
+        I2C     *m_i2c;
+        Ticker  m_ticker;
+        float   m_Period;
+        
+        int8_t  deltaX, deltaY;
+        int     totalX, totalY;
+        
+        bool    Sensor_Init();
+        //void    periodicCallback();
+       
+        void    writeRegister(uint8_t addr, uint8_t data);
+        uint8_t readRegister(uint8_t addr);
+        
+        void    load(const uint8_t array[][2], uint8_t arraySize);
+        void    grabData(void);
+        void    printData(void);
+       
+    public:
+       Pixart_OFN(I2C *i2c, float Period, bool &Result);
+       Pixart_OFN(I2C *i2c, Serial *pc, float Period, bool &Result);
+       void periodicCallback();
+       void print_build_info();
+};
+
+const uint8_t initialize[][2] = {
+    { 0xC9, 0x61 },     //OFN Engine settings.
+    //{ 0x6C, 0xA0 },     //Set GPIO pin as button input.
+};
+#define initialize_size (sizeof(initialize)/sizeof(initialize[0]))