+ if (cur && !prev) { // --- just pressed ---
+ button_start[button] = jiffies;
+ set_status_led(button, NULL);
+
+ } else if (cur && prev) { // --- is still pressed ---
+ uint16_t duration = jiffies - button_start[button];
+
+ if (duration > 160) {
+ set_status_led(button, on1_pattern);
+ // acknowledge long press
+ }
+ } else if (!cur && prev) { // --- just released ---
+ uint16_t duration = jiffies - button_start[button];
+
+ if (duration > 6 && duration < 60) {
+ short_press(button);
+ } else if (duration > 160) {
+ set_status_led(button, NULL);
+ long_press(button);
+ }
+ // ignore other button-press durations
+ }
+}
+
+static void handle_brake(unsigned char cur, unsigned char prev)
+{
+ if (cur && !prev) { // --- just pressed ---
+ button_start[2] = jiffies;
+ } else if (cur && prev) { // --- is still pressed ---
+ uint16_t duration = jiffies - button_start[2];
+
+ if (duration > 6) {
+ brake_on();
+ button_start[2] = jiffies - 7; // avoid overflow
+ }
+ } else if (!cur && prev) { // --- just released ---
+ brake_off();
+ }