diff --git a/main.c b/main.c
--- a/main.c
+++ b/main.c
@@ -10,15 +10,14 @@ static __IO uint32_t TimingDelay;
 void init_gpio();
 void init_spi();
 
-/* Main */
 int main(void)
 {
 
-    // Hopefully init clocks
+    // Init clocks
     SystemInit();
     RCC_ClocksTypeDef RCC_Clocks;
 
-    //SysTick end of count event each 1ms
+    // SysTick end of count event each 1ms
     RCC_GetClocksFreq(&RCC_Clocks);
     SysTick_Config(RCC_Clocks.HCLK_Frequency / 1000);
 
@@ -28,7 +27,7 @@ int main(void)
     init_gpio();
     init_spi();
 
-    //SSD1302_Init();
+    //ssd1306_Init();
     //SSD1303_DrawPoint(3,3,1);
     //SSD1303_DrawPoint(5,5,0);
 
@@ -38,16 +37,8 @@ int main(void)
 
     while(1)
     {  
-        /* Turn on LD0 Blue LED during 1s each time User button is pressed */
-        //STM_EVAL_LEDOn(LED4);
         GPIO_SetBits(LED_POWER);
-        //STM_EVAL_LEDOn(LED3);
-
-        /* wait for 1s */
         Delay(150);
-
-        /* Turn off LD4 Blue LED after 1s each time User button is pressed */
-        //STM_EVAL_LEDOff(LED4);
         GPIO_ResetBits(LED_POWER);
         Delay(150);
     }
@@ -61,7 +52,6 @@ int main(void)
 void Delay(__IO uint32_t nTime)
 {
   TimingDelay = nTime;
-
   while(TimingDelay != 0);
 }
 
@@ -80,7 +70,8 @@ void TimingDelay_Decrement(void)
 
 
 
-void init_spi(void) {
+void init_spi(void)
+{
     SPI_InitTypeDef  SPI_InitStructure;
 
     // OLED IC
@@ -114,17 +105,6 @@ void init_gpio(void) {
 
  GPIO_InitTypeDef GPIO_InitStruct;
 
-  /** Configure pins as 
-        * Analog 
-        * Input 
-        * Output
-        * EVENT_OUT
-        * EXTI
-  */
-
-  /*Enable or disable the APB peripheral clock */
- 
-
   // Enable SPI clocks
   RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
   RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
@@ -132,6 +112,7 @@ void init_gpio(void) {
   // Enable GPIO clocks
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC|RCC_AHBPeriph_GPIOB|RCC_AHBPeriph_GPIOA, ENABLE);
 
+  // Enable DMA clocks (Is AHB even the right thing???)
   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); // EMZ TODO get the right ones
 
   /*Configure GPIO pin : PC */