diff --git a/nokia.c b/nokia.c
index e07e0d3..88e82d0 100644
--- a/nokia.c
+++ b/nokia.c
@@ -43,67 +43,34 @@ const size_t gNokiaBufferSize = sizeof(gNokiaBuffer);
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////
 void NokiaControl(uint8_t controlByte) {
-	// TODO: write code here
+	// Activate Control on SPI device (DC = 0)
 	HAL_GPIO_WritePin(D_C_NOKIA_GPIO_Port, D_C_NOKIA_Pin, GPIO_PIN_RESET);
-	HAL_GPIO_WritePin(CS_NOKIA_GPIO_Port, CS_NOKIA_Pin, GPIO_PIN_RESET);
-	
-	//	HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout)
-	/*
-	  HAL_OK       = 0x00U,
-  HAL_ERROR    = 0x01U,
-  HAL_BUSY     = 0x02U,
-  HAL_TIMEOUT  = 0x03U
-	HAL_StatusTypeDef
-	*/
-	
-	/*HAL_DMA_State  
-	HAL_DMA_STATE_RESET             = 0x00U,  !< DMA not yet initialized or disabled 
-  HAL_DMA_STATE_READY             = 0x01U,  !< DMA initialized and ready for use   
-  HAL_DMA_STATE_BUSY              = 0x02U,  !< DMA process is ongoing              
-  HAL_DMA_STATE_TIMEOUT           = 0x03U,  !< DMA timeout state                   
-  HAL_DMA_STATE_ERROR             = 0x04U,  !< DMA error state                     
-  HAL_DMA_STATE_ABORT             = 0x05U,  !< DMA Abort state                     
-}HAL_DMA_StateTypeDef;
-*/
 
+    // Select the Nokia LCD (CS = 0)
+    HAL_GPIO_WritePin(CS_NOKIA_GPIO_Port, CS_NOKIA_Pin, GPIO_PIN_RESET);
+
+    // Send the control byte
 	HAL_SPI_Transmit(&hspi2, &controlByte, 1, 10);
-	/*
-	if(HAL_SPI_Transmit(&hspi2, &controlByte, 1, 10)!=HAL_OK){
-		//#PROBLEM !!!
-		printf("Error while sending Control Data\r\n");	
-	}*/
+
+    // Deselect the Nokia LCD (CS = 1)
 	HAL_GPIO_WritePin(CS_NOKIA_GPIO_Port, CS_NOKIA_Pin, GPIO_PIN_SET);
+
+    // Activate Data on SPI device (DC = 1)
 	HAL_GPIO_WritePin(D_C_NOKIA_GPIO_Port, D_C_NOKIA_Pin, GPIO_PIN_SET);
-	
-	
-	// Code Done
-	
-	
+
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////
 void NokiaData(uint8_t dataByte)
 {
-	// TODO: write code here
+	// Select the Nokia LCD (CS = 0)
 	HAL_GPIO_WritePin(CS_NOKIA_GPIO_Port, CS_NOKIA_Pin, GPIO_PIN_RESET);
-	
-	//	HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout)
-	/*
-	  HAL_OK       = 0x00U,
-  HAL_ERROR    = 0x01U,
-  HAL_BUSY     = 0x02U,
-  HAL_TIMEOUT  = 0x03U
-	*/
-	
-
 
+    // Send the data byte
 	HAL_SPI_Transmit(&hspi2, &dataByte, 1, 10);
-	/*
-	if(HAL_SPI_Transmit(&hspi2, &dataByte, 1, 0)!=HAL_OK){
-		//#PROBLEM !!!
-		printf("Error while sending Control Data\r\n");	
-	}	*/	
+
+    // Deselect the Nokia LCD (CS = 1)
 	HAL_GPIO_WritePin(CS_NOKIA_GPIO_Port, CS_NOKIA_Pin, GPIO_PIN_SET);
 }