Diff: ADNS6010.h

Revision:

0:efc16a3c5ce4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ADNS6010.h	Sun Nov 20 13:30:42 2011 +0000
@@ -0,0 +1,87 @@
+/**************************
+This class referred to ADNS5020EN library
+http://mbed.org/users/IPAB/programs/ADNS5020EN/5zwdp
+**************************/
+
+#ifndef _ADNS6010_H_
+#define _ADNS6010_H_
+
+#define REGISTER_PRODUCTID 0x00
+#define REGISTER_REVISONID 0x01
+#define REGISTER_MOTION 0x02
+#define REGISTER_DELTAX 0x03
+#define REGISTER_DELTAY 0x04
+#define REGISTER_SQUAL  0x05
+#define REGISTER_CONFIGURATION_BITS  0x0a
+
+#define ADNS6010_PRODUCTID  0x1C
+#define ADNS6010_REVISIONID 0x20
+
+#define DELAY_TRAD    50
+#define DELAY_TRAD_MOT  75
+#define DELAY_RESET_PULSE 10
+
+#include"mbed.h"
+
+ /** Interface to control a ADNS-6010 Avago mouse 
+  * chip using a SPI and 3 DigitalOuts
+  */
+class ADNS6010 {
+public:
+   /** Create the mouse chip control interface. Returns Error if the connection is not established.
+    *
+    * @param mosi A SPI(mosi) pin, for the spi interface of the mouse chip (SDIO)
+    * @param miso A SPI(miso) pin, for the spi interface of the mouse chip (SDIO)
+    * @param sclk A SPI(sclk) pin, for the spi interface of the mouse chip (SCLK)
+    * @param ncs A DigitalOut, set low for chip select
+    * @param reset A DigitalOut, set high for chip reset
+    * @param npd A DigitalOut, set high for chip powerdown
+    */
+    ADNS6010(PinName mosi, PinName miso, PinName sclk, PinName ncs, PinName reset,PinName npd);
+    
+   /** Read the deltaX and deltaY registers and assign to the input variable the counts for the previous read.
+    * 
+    * @param a_dx A pointer to an integer, to return the value of the deltaX register in reading counts
+    * @param a_dy A pointer to an integer, to return the value of the deltaY register in reading counts
+    */
+    void read_deltas(int* a_dx, int* a_dy);
+    
+   /** Read the SQUAL registers
+    * 
+    * @return  SQUAL register value an integer
+    */
+    int read_squal();
+    
+   /** Change the resolution of the mouse chip.
+    * 
+    * @param cpi A int value  400 or 800 or 1600 or 2000 
+    */      
+    void changeCPI(int cpi);
+    
+   /** Set new operating frequency to the mouse chip.
+    * 
+    * @param freq A int value between 500000 and 2000000 for the SPI frequency(in MHz)
+    */
+    void set_freq(int freq);
+    
+   /** Chip Power Down.
+    */
+    void end();
+    
+   /** Chip Power Up.
+    */
+    void start();
+    
+private:
+    int cread(unsigned char cregister);
+    void cwrite(unsigned char caddress, unsigned char cdata);
+    int MChipMotion(int reading);
+    void creset();
+    
+    SPI spi_;
+    DigitalOut npd_;
+    DigitalOut reset_;
+    DigitalOut ncs_;
+};
+
+#endif