153 lines
5.7 KiB
C
153 lines
5.7 KiB
C
#include "keymap_skel.h"
|
|
#include "usb_keyboard.h"
|
|
#include "debug.h"
|
|
#include "timer.h"
|
|
#include "layer.h"
|
|
|
|
/*
|
|
* Parameters:
|
|
* enter_delay |=======|
|
|
* send_fn_term |================|
|
|
*
|
|
* Fn key processing cases:
|
|
* 1. release Fn after send_fn_term.
|
|
* Layer sw ___________|~~~~~~~~~~~|___
|
|
* Fn press ___|~~~~~~~~~~~~~~~~~~~|___
|
|
* Fn send ___________________________
|
|
*
|
|
* 2. release Fn in 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)
|
|
* Layer sw ___________|~~~~~~|________
|
|
* Fn press ___|~~~~~~~~~~~~~~|________
|
|
* Fn key send ___________________________
|
|
* Fn send ___________________________
|
|
* other key press _____________|~~|__________
|
|
* other key send _____________|~~|__________
|
|
*
|
|
* 4. press other key in ENTER_DELAY.
|
|
* Layer sw ___________________________
|
|
* Fn key press ___|~~~~~~~~~|_____________
|
|
* Fn key send ______|~~~~~~|_____________
|
|
* other key press ______|~~~|________________
|
|
* other key send _______|~~|________________
|
|
*
|
|
* 5. press Fn while press other key.
|
|
* Layer sw ___________________________
|
|
* Fn key press ___|~~~~~~~~~|_____________
|
|
* Fn key send ___|~~~~~~~~~|_____________
|
|
* other key press ~~~~~~~|___________________
|
|
* other key send ~~~~~~~|___________________
|
|
*
|
|
* 6. press Fn twice quickly and keep holding down.(repeat)
|
|
* Layer sw ___________________________
|
|
* Fn key press ___|~|____|~~~~~~~~~~~~~~~~
|
|
* Fn key send _____|~|__|~~~~~~~~~~~~~~~~
|
|
*/
|
|
|
|
// LAYER_ENTER_DELAY: prevent from moving new layer
|
|
#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;
|
|
static bool layer_used = false;
|
|
|
|
|
|
uint8_t layer_get_keycode(uint8_t row, uint8_t col)
|
|
{
|
|
uint8_t code = keymap_get_keycode(current_layer, row, col);
|
|
// normal key or mouse key
|
|
if ((IS_KEY(code) || IS_MOUSE(code))) {
|
|
layer_used = true;
|
|
}
|
|
return code;
|
|
}
|
|
|
|
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;
|
|
}
|
|
} else {
|
|
if (fn_bits && new_layer == 0) {
|
|
// case: 4,5,6
|
|
usb_keyboard_add_code(keymap_fn_keycode(last_fn));
|
|
sent_fn = last_fn;
|
|
}
|
|
}
|
|
} 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;
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
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");
|
|
}
|
|
}
|