added init function from NXP Rapid ioT SDK, read_proximity_sensors function now works well.

Dependents:   rIoTwear-touch rIoTwear-snake

Revision:
0:d46a1b9267a3
Child:
1:aa30dc96dc77
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sx9500.h	Wed Mar 18 00:57:23 2015 +0000
@@ -0,0 +1,45 @@
+#include "mbed.h"
+
+
+#define SX9500_REG_IRQSRC                           0x00
+#define SX9500_REG_STAT                             0x01
+#define SX9500_REG_IRQMSK                           0x03
+#define SX9500_REG_PROXCTRL0                        0x06
+#define SX9500_REG_PROXCTRL1                        0x07
+#define SX9500_REG_PROXCTRL2                        0x08
+#define SX9500_REG_PROXCTRL3                        0x09
+#define SX9500_REG_PROXCTRL4                        0x0A
+#define SX9500_REG_PROXCTRL5                        0x0B
+#define SX9500_REG_PROXCTRL6                        0x0C
+#define SX9500_REG_PROXCTRL7                        0x0D
+#define SX9500_REG_PROXCTRL8                        0x0E
+#define SX9500_REG_SENSORSEL                        0x20
+#define SX9500_REG_USEMSB                           0x21
+#define SX9500_REG_USELSB                           0x22
+#define SX9500_REG_AVGMSB                           0x23
+#define SX9500_REG_AVGLSB                           0x24
+#define SX9500_REG_DIFFMSB                          0x25
+#define SX9500_REG_DIFFLSB                          0x26
+#define SX9500_REG_OFFSETMSB                        0x27
+#define SX9500_REG_OFFSETLSB                        0x28
+#define SX9500_REG_RESET                            0x7F
+
+#define SX9500_RESET_CMD                            0xDE
+
+class SX9500 {
+    public:
+        SX9500(I2C& r, PinName en_pin);
+        ~SX9500();
+        //void try_read(void);
+        uint8_t read_single(uint8_t addr);
+        void read(uint8_t addr, uint8_t *dst_buf, int length);
+        void write(uint8_t addr, uint8_t data);
+        void reset(void);
+        uint16_t get_sensor(void);
+        void standby(void);
+        
+    private:
+        I2C& m_i2c;
+        DigitalOut m_txen;
+};
+