main.cpp

00001 // PMT9123QS: Low Power Right-Angle Optical Track Sensor
00002 // Version: 1.1
00003 // Latest Revision Date: 18 July 2018
00004 // By PixArt Imaging Inc.
00005 // Primary Engineer: Vincent Yeh (PixArt USA)
00006 
00007 // Copyright [2018] [Vincent Yeh]
00008 // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at:
00009 // http://www.apache.org/licenses/LICENSE-2.0
00010 
00011 
00012 /*
00013 //=======================
00014 //Revision History
00015 //=======================
00016 Version 1.1 -- 18 July 2018
00017 Added apache license notice.
00018 
00019 Version 1.0 -- 9 Apr. 2018
00020 First release.
00021 */
00022 
00023 #include "mbed.h"
00024 #include "registerArrays.h"
00025 #include "I2CcommFunctions.h"
00026 
00027 int main()
00028 {
00029     pc.baud(115200);                    // Set baud rate to 115200. Remember to sync serial terminal baud rate to the same value.
00030     i2c.frequency(400000);              // Set frequency for I2C communication.
00031     startup();
00032         
00033     pc.printf("Program START\n\r");
00034     pc.printf("ID Check: %2X\n\r", readRegister(0x00)); //Checks product ID to make sure communication protocol is working properly.
00035     if(readRegister(0x00) != 0x41)
00036     {
00037         pc.printf("Communication protocol error! Terminating program.\n\r");
00038         return 0;
00039     }
00040     
00041     initialize();
00042     load(optimize, optimize_size);  //Load register settings from the "initialize" array
00043     
00044     while(1)
00045     {
00046         //pc.printf("MOTION bit: %2X\n\r", (readRegister(0x02) & 0x80) >> 7);   //Prints motion bit for debugging. 1 = motion detected. 0 = no motion detected.
00047         
00048         if(readRegister(0x02) & 0x80)
00049         {
00050             grabData();
00051             printData();
00052         }
00053     }
00054 }