forked from mirrors/qmk_userspace
rewrite code of layer switching
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tmk
parent
bf1a37ba71
commit
a28a2a6a5e
2 changed files with 103 additions and 71 deletions
172
layer.c
172
layer.c
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@ -6,23 +6,23 @@
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/*
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* Parameters:
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* enter_delay |=======|
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* send_fn_term |================|
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* ENTER_DELAY |=======|
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* SEND_FN_TERM |================|
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*
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* Fn key processing cases:
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* 1. release Fn after send_fn_term.
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* 1. release Fn after SEND_FN_TERM.
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* Layer sw ___________|~~~~~~~~~~~|___
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* Fn press ___|~~~~~~~~~~~~~~~~~~~|___
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* Fn send ___________________________
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*
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* 2. release Fn in send_fn_term.(not layer used)
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* 2. release Fn during SEND_FN_TERM.(not layer used)
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* Layer sw ___________|~~~~~~|________
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* Fn press ___|~~~~~~~~~~~~~~|________
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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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* 3. release Fn in send_fn_term.(layer used)
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* 3. release Fn during SEND_FN_TERM.(layer used)
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* Layer sw ___________|~~~~~~|________
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* Fn press ___|~~~~~~~~~~~~~~|________
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* Fn key send ___________________________
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@ -30,7 +30,7 @@
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* other key press _____________|~~|__________
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* other key send _____________|~~|__________
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*
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* 4. press other key in ENTER_DELAY.
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* 4. press other key during ENTER_DELAY.
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* Layer sw ___________________________
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* Fn key press ___|~~~~~~~~~|_____________
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* Fn key send ______|~~~~~~|_____________
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@ -51,14 +51,17 @@
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*/
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// LAYER_ENTER_DELAY: prevent from moving new layer
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#define LAYER_ENTER_DELAY 8
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#define LAYER_ENTER_DELAY 10
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// LAYER_SEND_FN_TERM: send keycode if release key in this term
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#define LAYER_SEND_FN_TERM 40
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static uint8_t current_layer = 0;
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uint8_t default_layer = 0;
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uint8_t current_layer = 0;
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static bool layer_used = false;
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static uint8_t new_layer(uint8_t fn_bits);
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uint8_t layer_get_keycode(uint8_t row, uint8_t col)
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@ -71,83 +74,110 @@ uint8_t layer_get_keycode(uint8_t row, uint8_t col)
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return code;
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}
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// bit substract b from a
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#define BIT_SUBT(a, b) (a&(a^b))
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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_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_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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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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} else if (usb_keyboard_has_key()) {
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debug("Fn case: 4(send Fn first, then add Fn to report)\n");
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// case: 4
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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_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_fn));
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new_layer = 0;
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sent_fn = last_fn;
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}
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if (fn_bits == last_fn) { // Fn state is not changed
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if (fn_bits == 0) {
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// do nothing
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} else {
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if (fn_bits && new_layer == 0) {
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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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// 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_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: 1,2,3,4,5,6(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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(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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if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) {
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uint8_t _layer_to_switch = new_layer(BIT_SUBT(fn_bits, sent_fn));
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if (current_layer != _layer_to_switch) { // not switch layer yet
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debug("Fn case: 1,2,3(LAYER_ENTER_DELAY passed)\n");
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debug("Switch Layer: "); debug_hex(current_layer);
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current_layer = _layer_to_switch;
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layer_used = false;
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debug(" -> "); debug_hex(current_layer); debug("\n");
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}
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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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sent_fn = 0;
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if (usb_keyboard_has_key()) { // other keys is pressed
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uint8_t _fn_to_send = BIT_SUBT(fn_bits, sent_fn);
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if (_fn_to_send) {
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debug("Fn case: 4(send Fn before other key pressed)\n");
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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(_fn_to_send)); // TODO: do all Fn keys
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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 |= _fn_to_send;
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}
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}
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}
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// add Fn keys to send
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//usb_keyboard_add_code(keymap_fn_keycode(fn_bits&sent_fn)); // TODO: do all Fn keys
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}
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layer_used = false;
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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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} else { // Fn state is changed(edge)
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uint8_t fn_changed = 0;
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debug("fn_bits: "); debug_bin(fn_bits); debug("\n");
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debug("sent_fn: "); debug_bin(sent_fn); 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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// pressed Fn
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if ((fn_changed = BIT_SUBT(fn_bits, last_fn))) {
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debug("fn_changed: "); debug_bin(fn_changed); debug("\n");
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if (usb_keyboard_has_key()) {
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debug("Fn case: 5(pressed Fn with other key)\n");
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sent_fn |= fn_changed;
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} else if (fn_changed & sent_fn) { // pressed same Fn in a row
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if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) {
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debug("Fn case: 6(repate2)\n");
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// time passed: not repeate
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sent_fn &= ~fn_changed;
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} else {
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debug("Fn case: 6(repate)\n");
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}
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}
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}
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// released Fn
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if ((fn_changed = BIT_SUBT(last_fn, fn_bits))) {
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debug("fn_changed: "); debug_bin(fn_changed); debug("\n");
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if (timer_elapsed(last_timer) < LAYER_SEND_FN_TERM) {
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//if (!layer_used && BIT_SUBT(fn_changed, sent_fn)) { // layer not used && Fn not sent
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if (BIT_SUBT(fn_changed, sent_fn)) { // layer not used && Fn not sent
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debug("Fn case: 2(send Fn one shot: released Fn during LAYER_SEND_FN_TERM)\n");
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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(fn_changed)); // TODO: do all Fn keys
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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 |= fn_changed;
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}
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}
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debug("Switch Layer(released Fn): "); debug_hex(current_layer);
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current_layer = new_layer(BIT_SUBT(fn_bits, sent_fn));
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layer_used = false;
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debug(" -> "); debug_hex(current_layer); debug("\n");
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}
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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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}
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// send Fn keys
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for (uint8_t i = 0; i < 8; i++) {
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if ((sent_fn & fn_bits) & (1<<i)) {
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usb_keyboard_add_code(keymap_fn_keycode(1<<i));
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}
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}
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}
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inline
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static uint8_t new_layer(uint8_t fn_bits)
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{
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return (fn_bits ? keymap_fn_layer(fn_bits) : default_layer);
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}
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2
layer.h
2
layer.h
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@ -3,6 +3,8 @@
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#include <stdint.h>
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uint8_t default_layer;
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uint8_t current_layer;
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/* return keycode for switch */
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uint8_t layer_get_keycode(uint8_t row, uint8_t col);
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