tmk
12 years ago
parent
93e33fb8f6
commit
4ae979f6ef
@ -1,207 +0,0 @@
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/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "keymap.h"
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#include "host.h"
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#include "debug.h"
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#include "timer.h"
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#include "usb_keycodes.h"
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#include "layer.h"
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/*
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* Parameters:
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* SWITCH_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 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 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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* 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 during SWITCH_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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* 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_SWITCH_DELAY: prevent from moving to new layer
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#ifndef LAYER_SWITCH_DELAY
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# define LAYER_SWITCH_DELAY 150
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#endif
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// LAYER_SEND_FN_TERM: send keycode if release key in this term
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#ifndef LAYER_SEND_FN_TERM
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# define LAYER_SEND_FN_TERM 500
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#endif
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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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{
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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_MOUSEKEY(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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// bit substract b from a
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#define BIT_SUBST(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 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 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 (!keymap_fn_keycode(BIT_SUBST(fn_bits, sent_fn)) ||
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timer_elapsed(last_timer) > LAYER_SWITCH_DELAY) {
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uint8_t _layer_to_switch = new_layer(BIT_SUBST(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_SWITCH_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 (host_has_anykey()) { // other keys is pressed
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uint8_t _fn_to_send = BIT_SUBST(fn_bits, sent_fn);
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if (_fn_to_send) {
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debug("Fn case: 4(press other key during SWITCH_DELAY.)\n");
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// send only Fn key first
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uint8_t tmp_mods = keyboard_report->mods;
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host_add_code(keymap_fn_keycode(_fn_to_send));
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host_set_mods(last_mods);
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host_send_keyboard_report();
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host_set_mods(tmp_mods);
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host_del_code(keymap_fn_keycode(_fn_to_send));
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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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//host_add_code(keymap_fn_keycode(fn_bits&sent_fn)); // TODO: do all Fn keys
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}
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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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debug("timer_count: "); debug_hex16(timer_count); debug("\n");
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// pressed Fn
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if ((fn_changed = BIT_SUBST(fn_bits, last_fn))) {
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debug("fn_changed: "); debug_bin(fn_changed); debug("\n");
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if (host_has_anykey()) {
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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_SEND_FN_TERM) {
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debug("Fn case: 6(not repeat)\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(repeat)\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_SUBST(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_SUBST(fn_changed, sent_fn)) {
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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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uint8_t tmp_mods = keyboard_report->mods;
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host_add_code(keymap_fn_keycode(fn_changed));
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host_set_mods(last_mods);
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host_send_keyboard_report();
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host_set_mods(tmp_mods);
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host_del_code(keymap_fn_keycode(fn_changed));
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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_SUBST(fn_bits, sent_fn));
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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 = keyboard_report->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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host_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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@ -1,32 +0,0 @@
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/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LAYER_H
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#define LAYER_H 1
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#include <stdint.h>
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extern uint8_t default_layer;
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extern 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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/* process layer switching */
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void layer_switching(uint8_t fn_bits);
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#endif
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