--- /dev/null
+#ifndef __HARDWARE_H
+#define __HARDWARE_H
+
+#include <pin_magic.h>
+
+#define PIN_LED _PIN(PORTB, PORTB2)
+#define PIN_SENSE _PIN(PORTB, PORTB4)
+#define PIN_DRIVE _PIN(PORTB, PORTB3)
+//#define PIN_DRIVE PIN_LED
+#define PIN_BTN _PIN(PORTB, PB1)
+
+#define BTN_PRESSED (!PINVAL(PIN_BTN))
+
+#define START_TIMER0 ({TCNT0 = 0; TCCR0B = 2;})
+#define START_TIMER1 ({TCNT1 = 1; TCCR1 = 7; GTCCR |= 2;})
+#define STOP_TIMER1 ({TCCR1 = 0; TCNT1 = 1;})
+
+static inline void setup_hw(void)
+{
+ /* Turn off the 1/8 clock prescaler - now running at 16MHz*/
+ CLKPR = (1 << CLKPCE);
+ CLKPR = 0;
+
+ INPUT_PIN(PIN_SENSE);
+ INPUT_PIN(PIN_BTN);
+ OUTPUT_PIN(PIN_DRIVE);
+ OUTPUT_PIN(PIN_LED);
+ setpin(PIN_BTN, 1); /* Need pullup */
+
+ GIMSK |= _BV(PCIE); /* Enable pin change interrupt for sense port */
+ PCMSK |= _BV(PCINT4); /* PB4, Rail sense input */
+
+ /* Change interrupt for button */
+ PCMSK |= _BV(PCINT1); /* PB1 */
+
+ /* Setup timer 0, used for mm_switch */
+ TCCR0A = 0; /* Normal mode */
+ TCCR0B = 0; /* Timer off */
+ TIMSK |= _BV(OCIE0A); /* Get a match interrupt */
+
+#ifdef WITH_PWM
+ /* Timer 1 as PWM */
+ OCR1C = 14;
+ OCR1B = 14;
+ TCCR1 = 0x6;
+ GTCCR |= _BV(PWM1B) | _BV(COM1B0);
+#endif
+
+}
+
+/*
+ * Function to trigger an oscilloscope on the drive pin
+ *
+ * Can be altered to use the LED.
+ *
+ */
+static void __attribute__((unused)) trigger(void)
+{
+ setpin(PIN_DRIVE, 1);
+ _delay_us(4);
+ setpin(PIN_DRIVE, 0);
+ _delay_us(4);
+}
+
+/*
+ * Configuration for mm receiver code.
+ */
+
+#define MM_SENSE (!PINVAL(PIN_SENSE))
+#define MM_TSTART ({TCNT0 = 0; GTCCR |= 1; OCR0A = 115; TCCR0B = 2;})
+#define MM_TIMER_INT_VECT TIMER0_COMPA_vect
+
+/* Costs 38 bytes program memory */
+#define MM_FILTER_REPEATED
+#define USE_EEPROM_UPDATE
+
+#ifdef USE_REGISTER_VARS
+uint8_t register drive_on asm("r8");
+#endif
+
+#endif