diff options
Diffstat (limited to 'layer.c')
| -rw-r--r-- | layer.c | 168 |
1 files changed, 99 insertions, 69 deletions
@@ -6,23 +6,23 @@ /* * Parameters: - * enter_delay |=======| - * send_fn_term |================| + * ENTER_DELAY |=======| + * SEND_FN_TERM |================| * * Fn key processing cases: - * 1. release Fn after send_fn_term. + * 1. release Fn after SEND_FN_TERM. * Layer sw ___________|~~~~~~~~~~~|___ * Fn press ___|~~~~~~~~~~~~~~~~~~~|___ * Fn send ___________________________ * - * 2. release Fn in send_fn_term.(not layer used) + * 2. release Fn during SEND_FN_TERM.(not layer used) * Layer sw ___________|~~~~~~|________ * Fn press ___|~~~~~~~~~~~~~~|________ * Fn key send __________________|~|______ * other key press ___________________________ * other key send ___________________________ * - * 3. release Fn in send_fn_term.(layer used) + * 3. release Fn during SEND_FN_TERM.(layer used) * Layer sw ___________|~~~~~~|________ * Fn press ___|~~~~~~~~~~~~~~|________ * Fn key send ___________________________ @@ -30,7 +30,7 @@ * other key press _____________|~~|__________ * other key send _____________|~~|__________ * - * 4. press other key in ENTER_DELAY. + * 4. press other key during ENTER_DELAY. * Layer sw ___________________________ * Fn key press ___|~~~~~~~~~|_____________ * Fn key send ______|~~~~~~|_____________ @@ -51,14 +51,17 @@ */ // LAYER_ENTER_DELAY: prevent from moving new layer -#define LAYER_ENTER_DELAY 8 +#define LAYER_ENTER_DELAY 10 // LAYER_SEND_FN_TERM: send keycode if release key in this term #define LAYER_SEND_FN_TERM 40 -static uint8_t current_layer = 0; +uint8_t default_layer = 0; +uint8_t current_layer = 0; + static bool layer_used = false; +static uint8_t new_layer(uint8_t fn_bits); uint8_t layer_get_keycode(uint8_t row, uint8_t col) @@ -71,83 +74,110 @@ uint8_t layer_get_keycode(uint8_t row, uint8_t col) return code; } +// bit substract b from a +#define BIT_SUBT(a, b) (a&(a^b)) void layer_switching(uint8_t fn_bits) { // layer switching - static uint8_t new_layer = 0; static uint8_t last_fn = 0; static uint8_t last_mods = 0; static uint16_t last_timer = 0; static uint8_t sent_fn = 0; - if (fn_bits == last_fn) { // Fn key is not changed - if (current_layer != new_layer) { - // not switch layer yet - if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) { - debug("Fn case: 1,2,3(switch layer)\n"); - // case: 1,2,3 - current_layer = new_layer; - debug("timer_elapsed: "); debug_hex16(timer_elapsed(last_timer)); debug("\n"); - debug("switch layer: "); debug_hex(current_layer); debug("\n"); - } else if (usb_keyboard_has_key()) { - debug("Fn case: 4(send Fn first, then add Fn to report)\n"); - // case: 4 - // send only Fn key first - usb_keyboard_swap_report(); - usb_keyboard_clear_report(); - usb_keyboard_add_code(keymap_fn_keycode(last_fn)); - usb_keyboard_set_mods(last_mods); - usb_keyboard_send(); - usb_keyboard_swap_report(); - // add Fn key to send with other keys - usb_keyboard_add_code(keymap_fn_keycode(last_fn)); - - new_layer = 0; - sent_fn = last_fn; - } + if (fn_bits == last_fn) { // Fn state is not changed + if (fn_bits == 0) { + // do nothing } else { - if (fn_bits && new_layer == 0) { - // case: 4,5,6 - usb_keyboard_add_code(keymap_fn_keycode(last_fn)); - sent_fn = last_fn; + if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) { + uint8_t _layer_to_switch = new_layer(BIT_SUBT(fn_bits, sent_fn)); + if (current_layer != _layer_to_switch) { // not switch layer yet + debug("Fn case: 1,2,3(LAYER_ENTER_DELAY passed)\n"); + debug("Switch Layer: "); debug_hex(current_layer); + current_layer = _layer_to_switch; + layer_used = false; + debug(" -> "); debug_hex(current_layer); debug("\n"); + } + } else { + if (usb_keyboard_has_key()) { // other keys is pressed + uint8_t _fn_to_send = BIT_SUBT(fn_bits, sent_fn); + if (_fn_to_send) { + debug("Fn case: 4(send Fn before other key pressed)\n"); + // send only Fn key first + usb_keyboard_swap_report(); + usb_keyboard_clear_report(); + usb_keyboard_add_code(keymap_fn_keycode(_fn_to_send)); // TODO: do all Fn keys + usb_keyboard_set_mods(last_mods); + usb_keyboard_send(); + usb_keyboard_swap_report(); + sent_fn |= _fn_to_send; + } + } } + // add Fn keys to send + //usb_keyboard_add_code(keymap_fn_keycode(fn_bits&sent_fn)); // TODO: do all Fn keys } - } else { // Fn key is changed - if (fn_bits == 0) { // Fn key is released(falling edge) - if (!layer_used && timer_elapsed(last_timer) < LAYER_SEND_FN_TERM) { - debug("Fn case: 2(send Fn)\n"); - // case: 2 - usb_keyboard_swap_report(); - usb_keyboard_clear_report(); - usb_keyboard_add_code(keymap_fn_keycode(last_fn)); - usb_keyboard_set_mods(last_mods); - usb_keyboard_send(); - usb_keyboard_swap_report(); - sent_fn = last_fn; + } else { // Fn state is changed(edge) + uint8_t fn_changed = 0; + + debug("fn_bits: "); debug_bin(fn_bits); debug("\n"); + debug("sent_fn: "); debug_bin(sent_fn); debug("\n"); + debug("last_fn: "); debug_bin(last_fn); debug("\n"); + debug("last_mods: "); debug_hex(last_mods); debug("\n"); + debug("last_timer: "); debug_hex16(last_timer); debug("\n"); + + // pressed Fn + if ((fn_changed = BIT_SUBT(fn_bits, last_fn))) { + debug("fn_changed: "); debug_bin(fn_changed); debug("\n"); + if (usb_keyboard_has_key()) { + debug("Fn case: 5(pressed Fn with other key)\n"); + sent_fn |= fn_changed; + } else if (fn_changed & sent_fn) { // pressed same Fn in a row + if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) { + debug("Fn case: 6(repate2)\n"); + // time passed: not repeate + sent_fn &= ~fn_changed; + } else { + debug("Fn case: 6(repate)\n"); + } } - debug("Fn case: 1,2,3,4,5,6(return to default layer)\n"); - new_layer = 0; - current_layer = 0; - } else { // Fn Key is pressed(rising edge) - if (usb_keyboard_has_key() || - (fn_bits == sent_fn &&timer_elapsed(last_timer) < LAYER_ENTER_DELAY)) { - debug("Fn case: 5,6(add Fn to repeat)\n"); - usb_keyboard_add_code(keymap_fn_keycode(fn_bits)); - sent_fn = fn_bits; - } else { - debug("Fn case: 1,2,3,4(ready for switching layer)\n"); - // ready for switching layer(case: 1,2,3,4) - new_layer = keymap_fn_layer(fn_bits); - sent_fn = 0; + } + // released Fn + if ((fn_changed = BIT_SUBT(last_fn, fn_bits))) { + debug("fn_changed: "); debug_bin(fn_changed); debug("\n"); + if (timer_elapsed(last_timer) < LAYER_SEND_FN_TERM) { + //if (!layer_used && BIT_SUBT(fn_changed, sent_fn)) { // layer not used && Fn not sent + if (BIT_SUBT(fn_changed, sent_fn)) { // layer not used && Fn not sent + debug("Fn case: 2(send Fn one shot: released Fn during LAYER_SEND_FN_TERM)\n"); + // send only Fn key first + usb_keyboard_swap_report(); + usb_keyboard_clear_report(); + usb_keyboard_add_code(keymap_fn_keycode(fn_changed)); // TODO: do all Fn keys + usb_keyboard_set_mods(last_mods); + usb_keyboard_send(); + usb_keyboard_swap_report(); + sent_fn |= fn_changed; + } } + debug("Switch Layer(released Fn): "); debug_hex(current_layer); + current_layer = new_layer(BIT_SUBT(fn_bits, sent_fn)); + layer_used = false; + debug(" -> "); debug_hex(current_layer); debug("\n"); } - layer_used = false; + last_fn = fn_bits; last_mods = usb_keyboard_mods; last_timer = timer_read(); - debug("new_layer: "); debug_hex(new_layer); debug("\n"); - debug("last_fn: "); debug_bin(last_fn); debug("\n"); - debug("last_mods: "); debug_hex(last_mods); debug("\n"); - debug("last_timer: "); debug_hex16(last_timer); debug("\n"); } + // send Fn keys + for (uint8_t i = 0; i < 8; i++) { + if ((sent_fn & fn_bits) & (1<<i)) { + usb_keyboard_add_code(keymap_fn_keycode(1<<i)); + } + } +} + +inline +static uint8_t new_layer(uint8_t fn_bits) +{ + return (fn_bits ? keymap_fn_layer(fn_bits) : default_layer); } |