PixArt / Mbed OS 5100_referenceCode

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.

Diff: commHeaders/SPIcommFunctions.h

Revision:
1:782127a132a3
Parent:
0:c8a2256e02c2
diff -r c8a2256e02c2 -r 782127a132a3 commHeaders/SPIcommFunctions.h
--- a/commHeaders/SPIcommFunctions.h	Tue Apr 03 20:04:39 2018 +0000
+++ b/commHeaders/SPIcommFunctions.h	Wed Jul 18 18:37:03 2018 +0000
@@ -26,7 +26,7 @@
 //This function takes an 8-bit address and 8-bit data. Writes the given data to the given address.
 
 void startupCheck(void);
-//Sets all of the registers needed for initialization and performance optimization.
+//Checks whether or not the sensor was started up properly.
 
 void initializeSensor(void);
 //Sets all of the registers needed for initialization and performance optimization.
@@ -80,12 +80,15 @@
     writeRegister(0x7F, 0x0E);
     writeRegister(0x43, 0x10);
     
-    for(int i=0; i<3; i++)
+    if(readRegister(0x47) != 0x08)
     {
-        if(readRegister(0x47) != 0x08)
+        for(int i=0; i<3; i++)          //Checks register 0x47 three times. If the value is incorrect 3 times, throw a fail condition.
         {
-            writeRegister(0x43, 0x10)
-            startupFail++;
+            if(readRegister(0x47) != 0x08)
+            {
+                writeRegister(0x43, 0x10)
+                startupFail++;
+            }
         }
     }
 }