diff --git a/src/buttons.c b/src/buttons.c
new file mode 100644
--- /dev/null
+++ b/src/buttons.c
@@ -0,0 +1,76 @@
+/*
+ * buttons.c
+ *
+ *  Created on: Oct 22, 2016
+ *      Author: Nicholas Orlando
+ */
+
+#include "stm32f3xx_hal.h"
+#include "stm32f3xx.h"
+#include "gpio.h"
+#include "ssd1306.h"
+#include "buttons.h"
+#include <math.h>
+
+
+uint32_t last_button_debounce_time = 0;		// the system time at which the button values were last checked
+uint32_t debounce_resolution = 5;	// period in which to check pin state in milliseconds
+float filter_fraction = 0.2;	// a number between 0 and 1, which adjusts the heaviness of the filter.
+								// 0 = never changes and 1 = no filter at all.
+uint8_t l_thresh = 20; //lower threshold for when then button is considered pressed vs not pressed.
+uint8_t u_thresh = 80; //upper threshold for when then button is considered pressed vs not pressed.
+
+uint8_t temp_counter = 0; // temporary counter for testing purposes
+
+float sw_btn_avg = 0; // some sort of running average
+uint8_t sw_btn_state = NOT_PRESSED; // the state of the pin after filtering
+uint8_t sw_btn_old_state = NOT_PRESSED; // the state of the pin after filtering
+
+void freaking_debounce(void)
+{
+	if(HAL_GetTick() - last_button_debounce_time > debounce_resolution)
+	{
+		char buffer[256]; // needed for writing stuff to screen
+
+		//averaging to filter button presses
+		if(HAL_GPIO_ReadPin(SW_BTN) == GPIO_PIN_RESET)
+		{
+			sw_btn_avg = sw_btn_avg + filter_fraction * (100 - sw_btn_avg);
+		}
+		else
+		{
+			sw_btn_avg = sw_btn_avg + filter_fraction * (0 - sw_btn_avg);
+		}
+
+		// check to see if the btn average value has crossed a threshold
+		if(sw_btn_avg < l_thresh)
+		{
+			sw_btn_state = NOT_PRESSED;
+//			snprintf(buffer, 256, "NOT_PRESSED");
+//			ssd1306_drawstring(buffer, 1, 0);
+		}
+		if(sw_btn_avg > u_thresh)
+		{
+			sw_btn_state = PRESSED;
+//			snprintf(buffer, 256, "PRESSED    ");
+//			ssd1306_drawstring(buffer, 1, 0);
+		}
+
+		// do something when state has changed
+		if((sw_btn_state == PRESSED) && (sw_btn_old_state == NOT_PRESSED))
+		{
+			temp_counter++;
+			snprintf(buffer, 256, "%i", temp_counter);
+			ssd1306_drawstring(buffer, 1, 0);
+		}
+
+
+//		snprintf(buffer, 256, "sw-btn-avg: %.1f", sw_btn_avg);
+//		ssd1306_drawstring(buffer, 2, 0);
+
+		// save previous button states
+		sw_btn_old_state = sw_btn_state;
+
+		last_button_debounce_time = HAL_GetTick();
+	}
+}