Removed unused functions, Added new structure

+ Added new structure for holding a byte of LEDS.
+ Added new function to creating structure of Led array.
- Removed older functions for half-bytes.
- Removed the older function prototypes.

src/LedController/LedController.c

@@ -21,63 +21,24 @@
 
 #define HALF_BYTE_BM
 
-// static LedController controller;
-
-void LedControler_SetPortADefault(void);
-
-/*
- * Uses pins: 9, 8, 12, 13
- */
-void LedControler_SetPortBDefault(void)
+LedByte LedController_New(uint8_t *port)
 {
-    // controller.port = &PORTA;
+    LedByte led_byte;
+    for (int i = 0; i < 8; i++)
+    {
+        led_byte.leds[i].pin_num = 1;
+        led_byte.leds[i].state   = false;
+        led_byte.leds[i].port    = port;
+    }
+    return led_byte;
 }
 
-void LedController_SetLedBitNum(void *port, uint8_t pin, uint8_t bit);
-
-void LedController_ShowByte(uint8_t byte);
-
-void LedControler_ShowHalfByte(uint8_t byte)
+void LedController_ShowByte(LedByte *led_byte)
 {
-    byte = byte & 0x0F;
-
-    // PORTA.DIR |= (1<<2)|(1<<3)|(1<<6)|(1<<7);
-    PORTA.DIR |= PA_B1;
-    PORTA.DIR |= PA_B2;
-    PORTA.DIR |= PA_B3;
-    PORTA.DIR |= PA_B4;
-    // PORTA.DIR |= HALF_BYTE_BM;
-
-    // 15 = 0b1111
-    // PORTA.OUT |= (byte & 0x0F);
-
-    if (byte & 0x01)
-    {
-        PORTA.OUT |= PA_B1;
-    }
-    if (byte & 0x02)
-    {
-        PORTA.OUT |= PA_B2;
-    }
-    if (byte & 0x04)
-    {
-        PORTA.OUT |= PA_B3;
-    }
-    if (byte & 0x08)
-    {
-        PORTA.OUT |= PA_B4;
-    }
 }
 
-void LedControler_ClearHalfByte(void)
+void LedControler_ClearByte(LedByte *led_byte)
 {
-    // PORTA.OUT &= HALF_BYTE_BM;
-    // PORTA.OUT &= ~((1<<2)|(1<<3)|(1<<6)|(1<<7));
-    PORTA.OUT &= ~PA_B1;
-    PORTA.OUT &= ~PA_B2;
-    PORTA.OUT &= ~PA_B3;
-    PORTA.OUT &= ~PA_B4;
-    // PORTA.OUT = 0x00;
 }
 
 void LedController_SetHigh(Led *led)

src/LedController/LedController.h

@@ -23,38 +23,25 @@ typedef struct Led
     bool     state;
 } Led;
 
-/**
- * Sets the default PORTB pins for output.
- */
-void LedControler_SetPortADefault(void);
+typedef struct LedByte
+{
+    Led leds[8];
+} LedByte;
 
 /**
- * Sets the default PORTA pins for output.
+ * Returns a instance of the LedByte structure.
  */
-void LedControler_SetPortBDefault(void);
-
-/**
- * Allows the setting or changing of which pins represent which bits.
- * @param port The address of the port.
- * @param pin The pin number for the port.
- * @param bit The bit that the pin should represent.
- */
-void LedController_SetLedBitNum(void *port, uint8_t pin, uint8_t bit);
+LedByte LedController_New(uint8_t *port);
 
 /**
  * Displays the byte of data via led pins.
  */
-void LedController_ShowByte(uint8_t byte);
+void LedController_ShowByte(LedByte *led_byte);
 
 /**
- * Displays the the first 4 bits of a byte.
+ * Clears out the byte led representation
  */
-void LedControler_ShowHalfByte(uint8_t byte);
-
-/**
- * Clears out the halfbyte led representation
- */
-void LedControler_ClearHalfByte(void);
+void LedControler_ClearByte(LedByte *led_byte);
 
 /**
  * Sets a AVR Led to High/on.

tests/LedController/test_LedController.cpp

@@ -87,4 +87,19 @@ TEST(test_LedController, LedSetLow)
     CHECK_EQUAL(false, fake_led.state);
 }
 
+/*
+ * what's the best way to handle an array of 8 leds. Should they
+ * reside in a structure? Or should it just be an array that the user defines?
+ */
+TEST(test_LedController, NewLedByte)
+{
+    uint8_t fake_port = 0x00;
+    LedByte led_byte = LedController_New(&fake_port);
+
+    for(int i = 0; i < 8; i++){
+        CHECK_TRUE(led_byte.leds[i].state == false);
+        CHECK_EQUAL(&fake_port, led_byte.leds[i].port);
+        CHECK_EQUAL(false, led_byte.leds[i].state);
+    }
+}