-#include "keymap_skel.h"
-#include "usb_keyboard.h"
+#include "keymap.h"
+#include "host.h"
#include "debug.h"
#include "timer.h"
#include "layer.h"
-/*
- * LAYER_ENTER_DELAY: prevent from moving new layer
- * press release
- * Fn key sate ____|~~~~~~~~~~~~~~~~~~~|_______________
- *
- * enter_delay |======|
- * new layer
- * Layer sw ___________|~~~~~~~~~~~~|_______________
- */
-#define LAYER_ENTER_DELAY 10
/*
- * LAYER_SEND_FN_TERM: send keycode if release key in this term
- * press release(send)
- * Fn key state ____|~~~~~~~~~~~~~|_______________
- * press | release(not send)
- * Fn key state ____|~~~~~~~~~~~~~|~~~~~~|__________
- * | |
- * send_fn_term |=============o==| x
+ * 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 during SEND_FN_TERM.(not layer used)
+ * Layer sw ___________|~~~~~~|________
+ * Fn press ___|~~~~~~~~~~~~~~|________
+ * Fn key send __________________|~|______
+ * other key press ___________________________
+ * other key send ___________________________
+ *
+ * 3. release Fn during SEND_FN_TERM.(layer used)
+ * Layer sw ___________|~~~~~~|________
+ * Fn press ___|~~~~~~~~~~~~~~|________
+ * Fn key send ___________________________
+ * Fn send ___________________________
+ * other key press _____________|~~|__________
+ * other key send _____________|~~|__________
+ *
+ * 4. press other key during 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 _____|~|__|~~~~~~~~~~~~~~~~
*/
-#define LAYER_SEND_FN_TERM 30
+
+// LAYER_ENTER_DELAY: prevent from moving new layer
+#define LAYER_ENTER_DELAY 5
+
+// 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)
{
uint8_t code = keymap_get_keycode(current_layer, row, col);
// normal key or mouse key
- if ((IS_KEY(code) || IS_MOUSE(code)))
+ if ((IS_KEY(code) || IS_MOUSEKEY(code))) {
layer_used = true;
+ }
return code;
}
+// bit substract b from a
+#define BIT_SUBST(a, b) (a&(a^b))
void layer_switching(uint8_t fn_bits)
{
// layer switching
- static uint8_t last_bits = 0;
- static uint8_t last_mod = 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;
- //uint16_t now_timer;
-
- if (fn_bits == last_bits) {
- // switch layer when specific time elapsed
- if (current_layer != keymap_fn_layer(fn_bits) &&
- timer_elapsed(last_timer) > LAYER_ENTER_DELAY) {
- current_layer = keymap_fn_layer(fn_bits);
- debug("time_elapsed: "); debug_hex16(timer_elapsed(last_timer)); debug("\n");
- debug("switch layer: "); debug_hex(current_layer); debug("\n");
+ if (fn_bits == last_fn) { // Fn state is not changed
+ if (fn_bits == 0) {
+ // do nothing
+ } else {
+ if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) {
+ uint8_t _layer_to_switch = new_layer(BIT_SUBST(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 (host_has_anykey()) { // other keys is pressed
+ uint8_t _fn_to_send = BIT_SUBST(fn_bits, sent_fn);
+ if (_fn_to_send) {
+ debug("Fn case: 4(send Fn before other key pressed)\n");
+ // send only Fn key first
+ host_swap_keyboard_report();
+ host_clear_keyboard_report();
+ host_set_mods(last_mods);
+ host_add_code(keymap_fn_keycode(_fn_to_send)); // TODO: do all Fn keys
+ host_send_keyboard_report();
+ host_swap_keyboard_report();
+ sent_fn |= _fn_to_send;
+ }
+ }
+ }
+ // add Fn keys to send
+ //host_add_code(keymap_fn_keycode(fn_bits&sent_fn)); // TODO: do all Fn keys
}
- } else if (fn_bits == 0) {
- // send key when Fn key is released without using the layer and within specific time
- if ((!layer_used || current_layer != keymap_fn_layer(last_bits)) &&
- timer_elapsed(last_timer) < LAYER_SEND_FN_TERM) {
- uint8_t code = keymap_fn_keycode(last_bits);
- if (code != KB_NO) {
- if (IS_MOD(code)) {
- keyboard_modifier_keys = last_mod | MOD_BIT(code);
+ } 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_SUBST(fn_bits, last_fn))) {
+ debug("fn_changed: "); debug_bin(fn_changed); debug("\n");
+ if (host_has_anykey()) {
+ 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(not repeat)\n");
+ // time passed: not repeate
+ sent_fn &= ~fn_changed;
} else {
- keyboard_keys[0] = code;
- keyboard_modifier_keys = last_mod;
+ debug("Fn case: 6(repeat)\n");
}
- usb_keyboard_send();
- usb_keyboard_print();
- usb_keyboard_clear();
}
}
- last_bits = 0;
- last_mod = 0;
+ // released Fn
+ if ((fn_changed = BIT_SUBST(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_SUBST(fn_changed, sent_fn)) {
+ debug("Fn case: 2(send Fn one shot: released Fn during LAYER_SEND_FN_TERM)\n");
+ // send only Fn key first
+ host_swap_keyboard_report();
+ host_clear_keyboard_report();
+ host_set_mods(last_mods);
+ host_add_code(keymap_fn_keycode(fn_changed)); // TODO: do all Fn keys
+ host_send_keyboard_report();
+ host_swap_keyboard_report();
+ sent_fn |= fn_changed;
+ }
+ }
+ debug("Switch Layer(released Fn): "); debug_hex(current_layer);
+ current_layer = new_layer(BIT_SUBST(fn_bits, sent_fn));
+ debug(" -> "); debug_hex(current_layer); debug("\n");
+ }
+
layer_used = false;
- current_layer = 0; // default layer
- } else if ((fn_bits & (fn_bits - 1)) == 0) {
- // switch layer when just one Fn Key is pressed
- if (!usb_keyboard_has_key()) {
- last_bits = fn_bits;
- last_mod = keyboard_modifier_keys;
- last_timer = timer_read();
- debug("last_bits: "); debug_bin(last_bits); debug("\n");
- debug("last_mod: "); debug_hex(last_mod); debug("\n");
- debug("last_timer: "); debug_hex16(last_timer); debug("\n");
+ last_fn = fn_bits;
+ last_mods = keyboard_report->mods;
+ last_timer = timer_read();
+ }
+ // send Fn keys
+ for (uint8_t i = 0; i < 8; i++) {
+ if ((sent_fn & fn_bits) & (1<<i)) {
+ host_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);
+}
projects / max / tmk_keyboard.git / blobdiff