Added code and tests for tracking the setup() function usage

mocks/MockADC/MockADC.c

@@ -13,10 +13,13 @@
 uint16_t fake_data[FAKESIZE];
 int fake_index = 0;
 
+static bool is_setup = false;
+
 
 void ADC_Setup(void)
 {
-
+    is_setup = true;
+    return;
 }
 
 void ADC_Init(uint8_t pin_num)
@@ -68,3 +71,9 @@ int MockADC_GetIndex(void)
 {
     return fake_index;
 }
+
+
+bool MockADC_IsSetup(void)
+{
+    return is_setup;
+}

mocks/MockADC/MockADC.h

@@ -24,5 +24,6 @@ extern uint16_t (*ADC_ReadValue)(uint8_t pin_num);
 void MockADC_PushValue(uint16_t value);
 void MockADC_ZeroIndex(void);
 int MockADC_GetIndex(void);
+bool MockADC_IsSetup(void);
 
 #endif //MOCKADC_H

src/ADC/ADC.c

@@ -63,20 +63,11 @@ void ADC_Init(uint8_t pin_num)
     //Disable input buffer
     //We do some kinda nasty address addition but it saves
     //memory and means we don't need a switch statment.
-    //PORT_ISC_INPUT_DISABLE_gc
     RegEdit_SetBit(
             (void *) (&PORTA.PIN0CTRL)+pin_num,
             PORT_ISC_INPUT_DISABLE_gc
             );
  
-    //Ensure we use full 10bit resolution 
-    //RegEdit_ClearBit((void *) &ADC0.CTRLA, 2);
-
-    //Use VDD as our voltage refernce.
-    //RegEdit_SetBit((void *) &ADC0.CTRLC, 4);
-
-    //We setup the ADC to take 32 samples.
-    //RegEdit_OR_Num((void *) &ADC0.CTRLB, 0x5);
 }
 
 

tests/MockADC/test_MockADC.cpp

@@ -84,3 +84,12 @@ TEST(test_MockADC, MockADC_PushValueDoesntOverflowArray)
         CHECK_TRUE(MockADC_GetIndex() <= 255);
     }
 }
+
+TEST(test_MockADC, MockADC_SetupSetsGlobal)
+{
+    CHECK_FALSE(MockADC_IsSetup());
+    
+    ADC_Setup();
+
+    CHECK_TRUE(MockADC_IsSetup());
+}