diff --git a/Inc/main.h b/Inc/main.h
index e235879..ff3dbed 100644
--- a/Inc/main.h
+++ b/Inc/main.h
@@ -51,6 +51,23 @@
 
 /* Private define ------------------------------------------------------------*/
 
+#define button2_Pin GPIO_PIN_3
+#define button2_GPIO_Port GPIOE
+#define button1_Pin GPIO_PIN_4
+#define button1_GPIO_Port GPIOE
+#define led1_Pin GPIO_PIN_6
+#define led1_GPIO_Port GPIOA
+#define led2_Pin GPIO_PIN_7
+#define led2_GPIO_Port GPIOA
+#define usart1_tx_Pin GPIO_PIN_9
+#define usart1_tx_GPIO_Port GPIOA
+#define usart1_rx_Pin GPIO_PIN_10
+#define usart1_rx_GPIO_Port GPIOA
+#define i2c1_scl_Pin GPIO_PIN_6
+#define i2c1_scl_GPIO_Port GPIOB
+#define i2c1_sda_Pin GPIO_PIN_7
+#define i2c1_sda_GPIO_Port GPIOB
+
 /* USER CODE BEGIN Private defines */
 
 /* USER CODE END Private defines */
diff --git a/Src/main.c b/Src/main.c
index a1bfabf..a553f1c 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -35,6 +35,7 @@
 
 #include "main.h"
 #include "stm32f4xx_hal.h"
+#include <stm32f4xx_hal_sd.h>
 #include "fatfs.h"
 
 /* USER CODE BEGIN Includes */
@@ -72,11 +73,25 @@ static void MX_SDIO_SD_Init(void);
 /* USER CODE END PFP */
 
 /* USER CODE BEGIN 0 */
+int _write(int file, char *ptr, int len)
+{
+  int DataIdx;
+
+  for (DataIdx = 0; DataIdx < len; DataIdx++)
+  {
+     ITM_SendChar( *ptr++ );
+  }
+
+  return len;
+}
 /* USER CODE END 0 */
 
 int main(void)
 {
   /* USER CODE BEGIN 1 */
+  FATFS mynewdiskFatFs; /* File system object for User logical drive */
+  FIL MyFile; /* File object */
+  char mynewdiskPath[4]; /* User logical drive path */
   /* USER CODE END 1 */
 
   /* MCU Configuration----------------------------------------------------------*/
@@ -93,7 +108,28 @@ int main(void)
   MX_SDIO_SD_Init();
   MX_FATFS_Init();
 
+
+  HAL_SD_CardInfoTypeDef cardinfo;
+  HAL_SD_GetCardInfo(&hsd, &cardinfo);
+
+  int aids;
+  char buffer[10];
+
   /* USER CODE BEGIN 2 */
+  if(FATFS_LinkDriver(&mynewdiskFatFs, mynewdiskPath) == 0) {
+    HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_7);
+    aids = f_mount(&mynewdiskFatFs, (TCHAR const*)mynewdiskPath, 1);
+    if(aids == FR_OK) {
+
+      //aids = 127;
+      //Mounted OK, turn on RED LED
+      HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_6);
+      HAL_Delay(1000);
+      HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_6);
+    }
+  }
+
+
   ssd1306_Init();
   //starfield_Init();
   //cube_Init();
@@ -103,8 +139,13 @@ int main(void)
   //drawLine(0,2, 150, 2);
   //drawLine(0,4, 150, 4);
 
+  ssd1306_SetCursor(0, 53);
+  sprintf(buffer, "Valor: %d", cardinfo.BlockNbr);
+  ssd1306_WriteString(buffer, Font_7x10, White);
+
+
   //ssd1306_LoadImage();
-  //ssd1306_UpdateScreen();
+  ssd1306_UpdateScreen();
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -131,9 +172,10 @@ int main(void)
     //cube_Update(60);
     */
 
-    ssd1306_Anim();
-    ssd1306_UpdateScreen();
-    //HAL_Delay(100);
+    //ssd1306_Anim();
+    //ssd1306_UpdateScreen();
+    //printf("LOL GORDOS\n");
+    //HAL_Delay(1000);
   }
   /* USER CODE END 3 */
 }
@@ -224,7 +266,7 @@ static void MX_SDIO_SD_Init(void)
   hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
   hsd.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
   hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
-  hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
+  hsd.Init.BusWide = SDIO_BUS_WIDE_4B;
   hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
   hsd.Init.ClockDiv = 0;
 
@@ -263,16 +305,17 @@ static void MX_GPIO_Init(void)
   GPIO_InitTypeDef GPIO_InitStruct;
 
   /* GPIO Ports Clock Enable */
+  __HAL_RCC_GPIOE_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
   __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOD_CLK_ENABLE();
   __HAL_RCC_GPIOB_CLK_ENABLE();
 
   /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOA, led1_Pin|led2_Pin, GPIO_PIN_RESET);
 
   /*Configure GPIO pins : PA6 PA7 */
-  GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
+  GPIO_InitStruct.Pin = led1_Pin|led2_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
diff --git a/Src/stm32f4xx_hal_msp.c b/Src/stm32f4xx_hal_msp.c
index 71db079..6e01005 100644
--- a/Src/stm32f4xx_hal_msp.c
+++ b/Src/stm32f4xx_hal_msp.c
@@ -94,7 +94,7 @@ void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c)
     PB6     ------> I2C1_SCL
     PB7     ------> I2C1_SDA 
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
+    GPIO_InitStruct.Pin = i2c1_scl_Pin|i2c1_sda_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
     GPIO_InitStruct.Pull = GPIO_PULLUP;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
@@ -125,7 +125,7 @@ void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
     PB6     ------> I2C1_SCL
     PB7     ------> I2C1_SDA 
     */
-    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6|GPIO_PIN_7);
+    HAL_GPIO_DeInit(GPIOB, i2c1_scl_Pin|i2c1_sda_Pin);
 
   }
   /* USER CODE BEGIN I2C1_MspDeInit 1 */
@@ -223,7 +223,7 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
     PA9     ------> USART1_TX
     PA10     ------> USART1_RX 
     */
-    GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
+    GPIO_InitStruct.Pin = usart1_tx_Pin|usart1_rx_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_PULLUP;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
@@ -255,7 +255,7 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
     PA9     ------> USART1_TX
     PA10     ------> USART1_RX 
     */
-    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
+    HAL_GPIO_DeInit(GPIOA, usart1_tx_Pin|usart1_rx_Pin);
 
     /* Peripheral interrupt DeInit*/
     HAL_NVIC_DisableIRQ(USART1_IRQn);