Reference firmware for PixArt's PAA5100 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:
- 1:782127a132a3
- Parent:
- 0:c8a2256e02c2
File content as of revision 1:782127a132a3:
// PAA5100JE-Q: Optical Tracking Chip reference code. // 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 -- 4 Apr. 2018 First release. */ #include "mbed.h" #include "SPIcommFunctions.h" int main() { pc.baud(115200); // Set baud rate to 115200. Remember to sync serial terminal baud rate to the same value. spi.format(8,3); // Set SPI to 8 bits with inverted polarity and phase-shifted to second edge. spi.frequency(1000000); // Set frequency for SPI communication. cs = 1; // Initialize chip select as inactive. 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) != 0x49) { pc.printf("Communication protocol error! Terminating program.\n\r"); return 0; } startupCheck(); if(startupFail == 3) { pc.printf("Start-up failed! Power cycle the chip and try again.\n\r"); return 0; } initializeSensor(); 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(); } } }