Tabs to spaces.

digital_read/main.c

@@ -52,6 +52,10 @@ static int uart_getchar(FILE *stream) {
     return UDR0;
 }
 
+static int digital_read(sfr, bit) {
+    return bit_is_set(sft, bit) && 1;
+}
+
 void init(void) {
     
     /* Make PORTD3..7 PORTD0..1 (Arduino digital 3..9) input by clearing bits in DDR */