Added attiny13a adc expectations.

tests/ADC/test_ADC.cpp

@@ -15,7 +15,7 @@
 
 extern "C" 
 {
-#include <iotn404.h> //ATtiny404 header fille.
+#include <iotn13a.h> //ATtiny13A header file.
 #include "ADC.h"
 }
 
@@ -40,6 +40,34 @@ TEST(test_ADC, FirstTest)
 
 TEST(test_ADC, ADC_SetupSetsRegisters)
 {
+    /*
+     * ADC Channel Selection(MUX1, MUX0):
+     * 00 == ADC0/PB5
+     * 01 == ADC1/PB2
+     * 10 == ADC2/PB4
+     * 11 == ADC3/PB3
+     */
+
+    /*Set the ADC Channel 0 using ADMUX reg*/
+    mock().expectOneCall("RegEdit_SetNum")
+        .withPointerParameter("reg", (void *) &ADMUX)
+        .withUnsignedIntParameter("num", 0x00);
+
+    /*Set the voltage reference to VCC.*/
+    mock().expectOneCall("RegEdit_ClearBit")
+        .withPointerParameter("reg", (void *) &ADMUX)
+        .withUnsignedIntParameter("bit_num", 6);
+
+    /*Set ADC Left adjust result setting to off.*/
+    mock().expectOneCall("RegEdit_ClearBit")
+        .withPointerParameter("reg", (void *) &ADMUX)
+        .withUnsignedIntParameter("bit_num", 5);
+
+    /*Set the Prescaler for samping frequency.*/
+
+    /*Set the ADC Enable bit ADEN in ADCSCR*/
+
+
     //Clears control register A for ADC0
     mock().expectOneCall("RegEdit_SetNum")
         .withPointerParameter("reg", (void *) &ADC0.CTRLA)