diff --git a/Inc/main.h b/Inc/main.h
index fd6b11d..4b6b464 100644
--- a/Inc/main.h
+++ b/Inc/main.h
@@ -86,10 +86,17 @@ void Error_Handler(void);
 #define BUSY_GPIO_Port GPIOA
 #define SPI_CS_Pin GPIO_PIN_4
 #define SPI_CS_GPIO_Port GPIOA
+#define ButtonLeft_Pin GPIO_PIN_12
+#define ButtonLeft_GPIO_Port GPIOB
+#define ButtonPress_Pin GPIO_PIN_13
+#define ButtonPress_GPIO_Port GPIOB
+#define ButtonRight_Pin GPIO_PIN_14
+#define ButtonRight_GPIO_Port GPIOB
 #define LED_Pin GPIO_PIN_8
 #define LED_GPIO_Port GPIOB
 /* USER CODE BEGIN Private defines */
-
+#define MAX_SSET_POS  28
+#define MAX_SELECTOR_POS  31
 /* USER CODE END Private defines */
 
 #ifdef __cplusplus