ADNS5090.h

00001 #ifndef ADNS5090_H
00002 #define ADNS5090_H
00003 
00004 #include "stdint.h"
00005 #include "mbed.h"
00006 #include "SWSPI.h"
00007 
00008 #define ADNS5090_WRITE_VAL          (0x80)
00009 #define ADNS5090_MOTION_ST_REG      (0x02)
00010 #define ADNS5090_MOTION_BURST_REG   (0x63)
00011 #define ADNS5090_RESET_REG          (0x3a)
00012 #define ADNS5090_RESET_VAL          (0x5a)
00013 #define ADNS5090_MOUSE_CTRL_REG     (0x0d)
00014 #define ADNS5090_POWERDOWN_VAL      (0x02)
00015 
00016 
00017 class ADNS5090
00018 {
00019 private:
00020 
00021     SWSPI spi;
00022     DigitalOut ncs;
00023     
00024 public:
00025 
00026     ADNS5090(PinName mosi_pin, PinName miso_pin, PinName sclk_pin, PinName ncs_pin, float pxPerMM_);
00027     
00028     int8_t dx_px, dy_px;
00029     uint8_t sq;  //surface quality, higher better, ~30 is good, 0= no surface
00030     float pxPerMM;
00031     
00032     float dx();
00033     float dy();
00034     
00035     bool updateMotion();
00036     void reset();
00037     void powerDown();
00038     void setDPI();
00039 };
00040 
00041 #endif