PixArt / Mbed OS ADBM-A350_referenceCode

Reference firmware for PixArt's ADBM-A350 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.

Welcome to the code repository for PixArt's ADBM-A350 sensor and evaluation board.

For general information about this product, please visit this product's components page here:
https://os.mbed.com/components/ADBM-A350-Finger-Navigation-Optical-Sens/

For guides and tips on how to setup and evaluate the ADBM-A350 sensor with the Nordic nRF52-DK microcontroller using this reference code, please visit this guide:
https://os.mbed.com/teams/PixArt/code/ADBM-A350_referenceCode/wiki/Guide-for-nRF52-DK-Platform

For guides and tips on how to setup and evaluate the ADBM-A350 sensor with any mBed-supported microcontroller using this reference code, please visit this guide:
https://os.mbed.com/teams/PixArt/code/ADBM-A350_referenceCode/wiki/Guide-for-Any-Platform

Diff: main.cpp

Revision:
0:a051df82fcdf
Child:
1:67d6484416a6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jun 25 21:14:10 2018 +0000
@@ -0,0 +1,63 @@
+// ADBM-A350: Finger navigation chip.
+// Version: 1.0
+// Latest Revision Date: 14 June 2018
+// By PixArt Imaging Inc.
+// Primary Engineer: Vincent Yeh (PixArt USA)
+
+/*
+//=======================
+//Revision History
+//=======================
+Version 1.0 -- 14 June 2018
+First release.
+*/
+
+#include "mbed.h"
+#include "registerArrays.h"
+//#include "I2CcommFunctions.h"
+#include "SPIcommFunctions.h"
+//Make sure you only have one of either SPIcommFunctions or I2CcommFunctions enabled. You cannot include both headers.
+
+int main()
+{
+    pc.baud(115200);                    // Set baud rate to 115200. Remember to sync serial terminal baud rate to the same value.
+
+    #ifdef SPImode
+    IO_sel = 1;                         // Set IO_select pin to be HIGH for SPI.
+    spi.format(8,3);                    // Set SPI to 8 bits with inverted polarity and phase-shifted to second edge.
+    spi.frequency(100000);             // Set frequency for SPI communication.
+    cs = 1;                             // Initialize chip select as inactive.
+    #endif
+    
+    #ifdef I2Cmode
+    IO_sel = 0;                         // Set IO_select pin to be LOW for I2C.
+    i2c.frequency(400000);              // Set frequency for I2C communication.
+    cs = 1;                             // These two pins are used to determine the device's slave ID.
+    MOSI = 1;
+    #endif
+    
+    shutdown = 0;
+    writeRegister(0x3A, 0x5A);          //Soft-reset the chip.
+    
+    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) != 0x88)
+    {
+        pc.printf("Communication protocol error! Terminating program.\n\r");
+        return 0;
+    }
+    
+    load(initialize, initialize_size);  //Load register settings from the "initialize" array (see registerArrays.h)
+    
+    while(1)
+    {
+        //pc.printf("MOTION bit: %2X\n\r", readRegister(0x02));   //Prints EVENT register for debugging.
+        
+        if(readRegister(0x02) & 0x80)
+        {
+            grabData();
+            printData();
+        }
+    }
+}