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@ -5,26 +5,51 @@ |
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#include "layer.h" |
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/* |
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* LAYER_ENTER_DELAY: prevent from moving new layer |
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* press release |
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* Fn key sate ____|~~~~~~~~~~~~~~~~~~~|_______________ |
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* |
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* enter_delay |======| |
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* new layer |
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* Layer sw ___________|~~~~~~~~~~~~|_______________ |
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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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* |
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* Fn key processing cases: |
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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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* 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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* Layer sw ___________|~~~~~~|________ |
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* Fn press ___|~~~~~~~~~~~~~~|________ |
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* Fn key send ___________________________ |
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* Fn send ___________________________ |
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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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* Layer sw ___________________________ |
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* Fn key 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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* 5. press Fn while press other key. |
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* Layer sw ___________________________ |
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* Fn key 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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// LAYER_ENTER_DELAY: prevent from moving new layer |
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#define LAYER_ENTER_DELAY 10 |
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/* |
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* LAYER_SEND_FN_TERM: send keycode if release key in this term |
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* press release(send) |
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* Fn key state ____|~~~~~~~~~~~~~|_______________ |
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* press | release(not send) |
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* Fn key state ____|~~~~~~~~~~~~~|~~~~~~|__________ |
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* | | |
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* send_fn_term |=============o==| x |
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*/ |
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#define LAYER_SEND_FN_TERM 30 |
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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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@ -35,58 +60,86 @@ uint8_t layer_get_keycode(uint8_t row, uint8_t col) |
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{ |
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uint8_t code = keymap_get_keycode(current_layer, row, col); |
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// normal key or mouse key |
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if ((IS_KEY(code) || IS_MOUSE(code))) |
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if ((IS_KEY(code) || IS_MOUSE(code))) { |
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layer_used = true; |
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} |
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return code; |
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} |
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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_bits = 0; |
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static uint8_t last_mod = 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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//uint16_t now_timer; |
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if (fn_bits == last_bits) { |
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// switch layer when specific time elapsed |
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if (current_layer != keymap_fn_layer(fn_bits) && |
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timer_elapsed(last_timer) > LAYER_ENTER_DELAY) { |
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current_layer = keymap_fn_layer(fn_bits); |
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debug("time_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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if (fn_bits == last_bits) { // 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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} 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_bits)); |
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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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new_layer = 0; |
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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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} |
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} |
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} else if (fn_bits == 0) { |
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// send key when Fn key is released without using the layer and within specific time |
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if ((!layer_used || current_layer != keymap_fn_layer(last_bits)) && |
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timer_elapsed(last_timer) < LAYER_SEND_FN_TERM) { |
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uint8_t code = keymap_fn_keycode(last_bits); |
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if (code != KB_NO) { |
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if (IS_MOD(code)) { |
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keyboard_modifier_keys = last_mod | MOD_BIT(code); |
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} else { |
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keyboard_keys[0] = code; |
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keyboard_modifier_keys = last_mod; |
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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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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_set_mods(last_mods); |
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usb_keyboard_send(); |
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usb_keyboard_print(); |
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usb_keyboard_clear(); |
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usb_keyboard_swap_report(); |
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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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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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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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} |
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} |
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last_bits = 0; |
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last_mod = 0; |
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layer_used = false; |
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current_layer = 0; // default layer |
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} else if ((fn_bits & (fn_bits - 1)) == 0) { |
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// switch layer when just one Fn Key is pressed |
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if (!usb_keyboard_has_key()) { |
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last_bits = fn_bits; |
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last_mod = keyboard_modifier_keys; |
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last_timer = timer_read(); |
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debug("last_bits: "); debug_bin(last_bits); debug("\n"); |
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debug("last_mod: "); debug_hex(last_mod); debug("\n"); |
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debug("last_timer: "); debug_hex16(last_timer); debug("\n"); |
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} |
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last_bits = 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_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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} |