Reference firmware for PixArt's PMT9123 sensor and evaluation board. "Hello World" and "Library" contain the exact same files. Please import just one of the two into your mBed compiler as a new program and not as a library.
main.cpp
- Committer:
- PixArtVY
- Date:
- 2018-07-18
- Revision:
- 1:1d99f5c9581f
- Parent:
- 0:71ff24e8c21e
File content as of revision 1:1d99f5c9581f:
// PMT9123QS: Low Power Right-Angle Optical Track Sensor // Version: 1.1 // Latest Revision Date: 18 July 2018 // By PixArt Imaging Inc. // Primary Engineer: Vincent Yeh (PixArt USA) // Copyright [2018] [Vincent Yeh] // 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: // http://www.apache.org/licenses/LICENSE-2.0 /* //======================= //Revision History //======================= Version 1.1 -- 18 July 2018 Added apache license notice. Version 1.0 -- 9 Apr. 2018 First release. */ #include "mbed.h" #include "registerArrays.h" #include "I2CcommFunctions.h" int main() { pc.baud(115200); // Set baud rate to 115200. Remember to sync serial terminal baud rate to the same value. i2c.frequency(400000); // Set frequency for I2C communication. startup(); pc.printf("Program START\n\r"); pc.printf("ID Check: %2X\n\r", readRegister(0x00)); //Checks product ID to make sure communication protocol is working properly. if(readRegister(0x00) != 0x41) { pc.printf("Communication protocol error! Terminating program.\n\r"); return 0; } initialize(); load(optimize, optimize_size); //Load register settings from the "initialize" array while(1) { //pc.printf("MOTION bit: %2X\n\r", (readRegister(0x02) & 0x80) >> 7); //Prints motion bit for debugging. 1 = motion detected. 0 = no motion detected. if(readRegister(0x02) & 0x80) { grabData(); printData(); } } }