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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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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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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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} 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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} 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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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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} 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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} |
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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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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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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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// 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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} |