repeating Fn key: press twice quickly to repeat.
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parent
a31b31e717
commit
89feab2301
1 changed files with 28 additions and 20 deletions
48
layer.c
48
layer.c
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@ -43,6 +43,11 @@
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* Fn key send ___|~~~~~~~~~|_____________
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* other key press ~~~~~~~|___________________
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* other key send ~~~~~~~|___________________
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*
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* 6. press Fn twice quickly and keep holding down.(repeat)
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* Layer sw ___________________________
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* Fn key press ___|~|____|~~~~~~~~~~~~~~~~
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* Fn key send _____|~|__|~~~~~~~~~~~~~~~~
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*/
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// LAYER_ENTER_DELAY: prevent from moving new layer
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@ -70,17 +75,17 @@ void layer_switching(uint8_t fn_bits)
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{
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// layer switching
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static uint8_t new_layer = 0;
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static uint8_t last_bits = 0;
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static uint8_t last_fn = 0;
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static uint8_t last_mods = 0;
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static uint16_t last_timer = 0;
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static uint8_t sent_fn = 0;
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if (fn_bits == last_bits) { // Fn key is not changed
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if (fn_bits == last_fn) { // Fn key is not changed
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if (current_layer != new_layer) {
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// not switch layer yet
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if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) {
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debug("Fn case: 1,2,3(switch layer)\n");
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// case: 1,2,3
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// switch layer after LAYER_ENTER_DELAY elapse
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current_layer = new_layer;
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debug("timer_elapsed: "); debug_hex16(timer_elapsed(last_timer)); debug("\n");
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debug("switch layer: "); debug_hex(current_layer); debug("\n");
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@ -90,55 +95,58 @@ void layer_switching(uint8_t fn_bits)
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// send only Fn key first
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usb_keyboard_swap_report();
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usb_keyboard_clear_report();
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usb_keyboard_add_code(keymap_fn_keycode(last_bits));
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usb_keyboard_add_code(keymap_fn_keycode(last_fn));
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usb_keyboard_set_mods(last_mods);
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usb_keyboard_send();
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usb_keyboard_swap_report();
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// add Fn key to send with other keys
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usb_keyboard_add_code(keymap_fn_keycode(last_bits));
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// cancel layer switching
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usb_keyboard_add_code(keymap_fn_keycode(last_fn));
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new_layer = 0;
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sent_fn = last_fn;
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}
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} else {
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if (fn_bits && new_layer == 0) {
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// case: 4,5
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// send Fn key
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usb_keyboard_add_code(keymap_fn_keycode(last_bits));
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// case: 4,5,6
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usb_keyboard_add_code(keymap_fn_keycode(last_fn));
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sent_fn = last_fn;
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}
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}
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} else { // Fn key is changed
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if (fn_bits == 0) { // Fn key is released(falling edge)
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if (!layer_used && timer_elapsed(last_timer) < LAYER_SEND_FN_TERM) {
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debug("Fn case: 2(send Fn)\n");
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// send Fn key (case: 2[no layer used],3)
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// case: 2
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usb_keyboard_swap_report();
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usb_keyboard_clear_report();
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usb_keyboard_add_code(keymap_fn_keycode(last_bits));
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usb_keyboard_add_code(keymap_fn_keycode(last_fn));
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usb_keyboard_set_mods(last_mods);
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usb_keyboard_send();
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usb_keyboard_swap_report();
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sent_fn = last_fn;
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}
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debug("Fn case: 1,2,3,4,5(return to default layer)\n");
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// return to default layer(case: 1,2,3,4,5)
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debug("Fn case: 1,2,3,4,5,6(return to default layer)\n");
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new_layer = 0;
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current_layer = 0;
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} else { // Fn Key is pressed(rising edge)
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if (!usb_keyboard_has_key()) {
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if (usb_keyboard_has_key() ||
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(fn_bits == sent_fn &&timer_elapsed(last_timer) < LAYER_ENTER_DELAY)) {
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debug("Fn case: 5,6(add Fn to repeat)\n");
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usb_keyboard_add_code(keymap_fn_keycode(fn_bits));
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sent_fn = fn_bits;
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} else {
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debug("Fn case: 1,2,3,4(ready for switching layer)\n");
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// ready for switching layer(case: 1,2,3,4)
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new_layer = keymap_fn_layer(fn_bits);
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} else {
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debug("Fn case: 5(add Fn to report)\n");
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// add Fn key to send with other keys(case: 5)
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usb_keyboard_add_code(keymap_fn_keycode(fn_bits));
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sent_fn = 0;
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}
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}
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layer_used = false;
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last_bits = fn_bits;
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last_fn = fn_bits;
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last_mods = usb_keyboard_mods;
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last_timer = timer_read();
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debug("new_layer: "); debug_hex(new_layer); debug("\n");
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debug("last_bits: "); debug_bin(last_bits); debug("\n");
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debug("last_fn: "); debug_bin(last_fn); debug("\n");
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debug("last_mods: "); debug_hex(last_mods); debug("\n");
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debug("last_timer: "); debug_hex16(last_timer); debug("\n");
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}
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