diff --git a/main.c b/main.c
index ec11c90..0c3a470 100644
--- a/main.c
+++ b/main.c
@@ -12,6 +12,7 @@
* along with this program. If not, see .
*
*/
+
#include // Standard Integer Types
#include // Standard IO facilities
#include // General utilities
@@ -31,19 +32,19 @@
/* switch off LED */
void led_off(void)
{
- PORTB &= ~(1<.
*
*/
-/* This is the main part of the waschkarte auflader program.
- */
/* peripherals */
/* LED to indicate scale reading
* pin: PB5, LED L
*/
-#define LED PB5
-/* high when the scale is on
- * pin: PD5, PCINT21, D5
- */
-#define SCALE_ON PD5
-/* PWM weight signal
- * PWM frequency is ~3Hz
- * high time increases with increasing weight (propotionnally)
- * low time decreases with increasing weight
- * signal level is 1V
- * positive pin of analog comparator used to measure PWM
- * pin: PD6, AIN0, D6
-*/
-#define SCALE_PWM PD6
-/* negative pin of analog comparator
- * set at 0.2-0.8V using voltage divider
- * used to detect PWM signal change
- * pin: PD7, AIN1, D7
- */
-#define REF_PWM PD7
-
+#define LED_PORT PORTB
+#define LED_DDR DDRB
+#define LED_PIN PINB
+#define LED_IO PB5