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rewrite code of layer switching

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pull/12/head
tmk 15 years ago
parent bf1a37ba71
commit a28a2a6a5e
2 changed files with 101 additions and 69 deletions
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142
layer.c
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@ -6,23 +6,23 @@
/* /*
* Parameters: * Parameters:
* enter_delay |=======| * ENTER_DELAY |=======|
* send_fn_term |================| * SEND_FN_TERM |================|
* *
* Fn key processing cases: * Fn key processing cases:
* 1. release Fn after send_fn_term. * 1. release Fn after SEND_FN_TERM.
* Layer sw ___________|~~~~~~~~~~~|___ * Layer sw ___________|~~~~~~~~~~~|___
* Fn press ___|~~~~~~~~~~~~~~~~~~~|___ * Fn press ___|~~~~~~~~~~~~~~~~~~~|___
* Fn send ___________________________ * Fn send ___________________________
* *
* 2. release Fn in send_fn_term.(not layer used) * 2. release Fn during SEND_FN_TERM.(not layer used)
* Layer sw ___________|~~~~~~|________ * Layer sw ___________|~~~~~~|________
* Fn press ___|~~~~~~~~~~~~~~|________ * Fn press ___|~~~~~~~~~~~~~~|________
* Fn key send __________________|~|______ * Fn key send __________________|~|______
* other key press ___________________________ * other key press ___________________________
* other key send ___________________________ * other key send ___________________________
* *
* 3. release Fn in send_fn_term.(layer used) * 3. release Fn during SEND_FN_TERM.(layer used)
* Layer sw ___________|~~~~~~|________ * Layer sw ___________|~~~~~~|________
* Fn press ___|~~~~~~~~~~~~~~|________ * Fn press ___|~~~~~~~~~~~~~~|________
* Fn key send ___________________________ * Fn key send ___________________________
@ -30,7 +30,7 @@
* other key press _____________|~~|__________ * other key press _____________|~~|__________
* other key send _____________|~~|__________ * other key send _____________|~~|__________
* *
* 4. press other key in ENTER_DELAY. * 4. press other key during ENTER_DELAY.
* Layer sw ___________________________ * Layer sw ___________________________
* Fn key press ___|~~~~~~~~~|_____________ * Fn key press ___|~~~~~~~~~|_____________
* Fn key send ______|~~~~~~|_____________ * Fn key send ______|~~~~~~|_____________
@ -51,14 +51,17 @@
*/ */
// LAYER_ENTER_DELAY: prevent from moving new layer // 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 // LAYER_SEND_FN_TERM: send keycode if release key in this term
#define LAYER_SEND_FN_TERM 40 #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 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 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; return code;
} }
// bit substract b from a
#define BIT_SUBT(a, b) (a&(a^b))
void layer_switching(uint8_t fn_bits) void layer_switching(uint8_t fn_bits)
{ {
// layer switching // layer switching
static uint8_t new_layer = 0;
static uint8_t last_fn = 0; static uint8_t last_fn = 0;
static uint8_t last_mods = 0; static uint8_t last_mods = 0;
static uint16_t last_timer = 0; static uint16_t last_timer = 0;
static uint8_t sent_fn = 0; static uint8_t sent_fn = 0;
if (fn_bits == last_fn) { // Fn key is not changed if (fn_bits == last_fn) { // Fn state is not changed
if (current_layer != new_layer) { if (fn_bits == 0) {
// not switch layer yet // do nothing
} else {
if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) { if (timer_elapsed(last_timer) > LAYER_ENTER_DELAY) {
debug("Fn case: 1,2,3(switch layer)\n"); uint8_t _layer_to_switch = new_layer(BIT_SUBT(fn_bits, sent_fn));
// case: 1,2,3 if (current_layer != _layer_to_switch) { // not switch layer yet
current_layer = new_layer; debug("Fn case: 1,2,3(LAYER_ENTER_DELAY passed)\n");
debug("timer_elapsed: "); debug_hex16(timer_elapsed(last_timer)); debug("\n"); debug("Switch Layer: "); debug_hex(current_layer);
debug("switch layer: "); debug_hex(current_layer); debug("\n"); current_layer = _layer_to_switch;
} else if (usb_keyboard_has_key()) { layer_used = false;
debug("Fn case: 4(send Fn first, then add Fn to report)\n"); debug(" -> "); debug_hex(current_layer); debug("\n");
// case: 4 }
} 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 // send only Fn key first
usb_keyboard_swap_report(); usb_keyboard_swap_report();
usb_keyboard_clear_report(); usb_keyboard_clear_report();
usb_keyboard_add_code(keymap_fn_keycode(last_fn)); usb_keyboard_add_code(keymap_fn_keycode(_fn_to_send)); // TODO: do all Fn keys
usb_keyboard_set_mods(last_mods); usb_keyboard_set_mods(last_mods);
usb_keyboard_send(); usb_keyboard_send();
usb_keyboard_swap_report(); usb_keyboard_swap_report();
// add Fn key to send with other keys sent_fn |= _fn_to_send;
usb_keyboard_add_code(keymap_fn_keycode(last_fn)); }
}
new_layer = 0;
sent_fn = last_fn;
} }
// add Fn keys to send
//usb_keyboard_add_code(keymap_fn_keycode(fn_bits&sent_fn)); // TODO: do all Fn keys
}
} 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 { } else {
if (fn_bits && new_layer == 0) { debug("Fn case: 6(repate)\n");
// 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) // released Fn
if (!layer_used && timer_elapsed(last_timer) < LAYER_SEND_FN_TERM) { if ((fn_changed = BIT_SUBT(last_fn, fn_bits))) {
debug("Fn case: 2(send Fn)\n"); debug("fn_changed: "); debug_bin(fn_changed); debug("\n");
// case: 2 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_swap_report();
usb_keyboard_clear_report(); usb_keyboard_clear_report();
usb_keyboard_add_code(keymap_fn_keycode(last_fn)); usb_keyboard_add_code(keymap_fn_keycode(fn_changed)); // TODO: do all Fn keys
usb_keyboard_set_mods(last_mods); usb_keyboard_set_mods(last_mods);
usb_keyboard_send(); usb_keyboard_send();
usb_keyboard_swap_report(); usb_keyboard_swap_report();
sent_fn = last_fn; sent_fn |= fn_changed;
}
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;
} }
} }
debug("Switch Layer(released Fn): "); debug_hex(current_layer);
current_layer = new_layer(BIT_SUBT(fn_bits, sent_fn));
layer_used = false; layer_used = false;
debug(" -> "); debug_hex(current_layer); debug("\n");
}
last_fn = fn_bits; last_fn = fn_bits;
last_mods = usb_keyboard_mods; last_mods = usb_keyboard_mods;
last_timer = timer_read(); 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);
} }

2
layer.h
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@ -3,6 +3,8 @@
#include <stdint.h> #include <stdint.h>
uint8_t default_layer;
uint8_t current_layer;
/* return keycode for switch */ /* return keycode for switch */
uint8_t layer_get_keycode(uint8_t row, uint8_t col); uint8_t layer_get_keycode(uint8_t row, uint8_t col);

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