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ergodox-firmware
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refactor

master
Stefan Dorn 2016-06-14 04:48:56 +01:00
parent b9678e3239
commit 60e45f8444
2 changed files with 149 additions and 218 deletions
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331
src/main.c
View File

@ -29,7 +29,6 @@ typedef enum StickyState {
StickyNone,
StickyOnceDown,
StickyOnceUp,
StickyLock,
} StickyState;
typedef u8 keycode;
@ -78,9 +77,8 @@ static layer layers_top = 0;
// ----------------------------------------------------------------------------
int main(void) {
kb_init(); // does controller initialization too
int main() {
kb_init();
usb_init();
while (!usb_configured());
@ -103,16 +101,9 @@ void main_key_loop() {
kb_update_matrix(*kb_is_pressed);
// this loop is responsible to
// - "execute" keys when they change state
// - execute key functions when their key changes state
// - keep track of which layers the keys were on when they were pressed
// (so they can be released using the function from that layer)
//
// note
// - everything else is the key function's responsibility
// - see the keyboard layout file ("keyboard/layout/*.c") for
// which key is assigned which function (per layer)
// - see "lib/key-functions/public/*.c" for the function definitions
for (u8 row=0; row<KB_ROWS; row++) {
for (u8 col=0; col<KB_COLUMNS; col++) {
current_is_pressed = (*kb_is_pressed)[row][col];
@ -147,6 +138,23 @@ void main_key_loop() {
}
}
// execute the keypress or keyrelease function (if it exists) of the key at the current possition
void exec_key(void) {
void (*key_function)(void) =
( (current_is_pressed)
? kb_keyfunc_press(current_layer, current_row, current_col)
: kb_keyfunc_release(current_layer, current_row, current_col) );
if (key_function) { (*key_function)(); }
// FIXME
// If the current layer is in the sticky once up state and a key defined
// for this layer (a non-transparent key) was pressed, pop the layer
if (layer_top_sticky() == StickyOnceUp && non_trans_key_pressed) {
layer_disable_top();
}
}
// ----------------------------------------------------------------------------
// layer functions
// ----------------------------------------------------------------------------
@ -161,7 +169,7 @@ void init_layers() {
// find highest active layer
layer _highest_active_layer(layer offset) {
layer highest_active_layer(layer offset) {
if (offset < layers_top) {
for (layer l = layers_top - offset; l > 0 && l < KB_LAYERS; l--) {
if (layers_active[l]) { return l; }
@ -187,6 +195,7 @@ StickyState layer_sticky(layer l) {
// enable a layer
void layer_enable(layer l, StickyState sticky) {
// FIXME split off sticky part
if (l >= KB_LAYERS) { return; }
layers_active[l] = true;
@ -210,7 +219,7 @@ void layer_disable(layer l) {
layers_sticky[l] = StickyNone;
if (l == layers_top) {
layers_top = _highest_active_layer(1);
layers_top = highest_active_layer(1);
}
}
@ -221,58 +230,63 @@ void layer_disable_top() {
// return layer offset elements below the top
layer layer_peek(layer offset) {
return _highest_active_layer(offset);
return highest_active_layer(offset);
}
// execute the keypress or keyrelease function (if it exists) of the key at the current possition
void exec_key(void) {
void (*key_function)(void) =
( (current_is_pressed)
? kb_layout_press_get(current_layer, current_row, current_col)
: kb_layout_release_get(current_layer, current_row, current_col) );
if (key_function) {
(*key_function)();
bool is_layer_enable(keyfunc f) {
if (f == &kbfun_layer_enable || f == &kbfun_layer_sticky) {
return true;
}
return false;
}
// If the current layer is in the sticky once up state and a key defined
// for this layer (a non-transparent key) was pressed, pop the layer
if (layer_top_sticky() == StickyOnceUp && non_trans_key_pressed) {
layer_disable_top();
bool is_layer_disable(keyfunc f) {
if (f == &kbfun_layer_disable || f == &kbfun_layer_sticky) {
return true;
}
return false;
}
void layer_enable_upto(layer max_layer) {
// FIXME clean this up
// pressing a key implicitly activates all lower layers as well
for (layer l=0; l <= KB_LAYERS; l++) {
void (*key_function)(void) = kb_keyfunc_press(l, current_row, current_col);
if (is_layer_enable(key_function)) {
layer enable_layer = (layer) kb_keycode(l, current_row, current_col);
if (enable_layer <= max_layer) {
layer_enable(enable_layer, StickyNone);
}
}
}
}
// ----------------------------------------------------------------------------
// layout info
// ----------------------------------------------------------------------------
keycode kb_layout_get(layer l, u8 row, u8 col) {
return (keycode) pgm_read_byte(&(_kb_layout[l][row][col] ));
keycode kb_keycode(layer l, u8 row, u8 col) {
return (keycode) pgm_read_byte(&(_kb_layout[l][row][col]));
}
keyfunc kb_layout_press_get(layer l, u8 row, u8 col) {
return (keyfunc) pgm_read_word(&(_kb_layout_press[l][row][col] ));
keyfunc kb_keyfunc_press(layer l, u8 row, u8 col) {
return (keyfunc) pgm_read_word(&(_kb_layout_press[l][row][col]));
}
keyfunc kb_layout_release_get(layer l, u8 row, u8 col) {
keyfunc kb_keyfunc_release(layer l, u8 row, u8 col) {
return (keyfunc) pgm_read_word(&(_kb_layout_release[l][row][col]));
}
/*
* Generate a normal keypress or keyrelease
*
* Arguments
* - press: whether to generate a keypress (true) or keyrelease (false)
* - keycode: the keycode to use
*
* Note
* - Because of the way USB does things, what this actually does is either add
* or remove 'keycode' from the list of currently pressed keys, to be sent at
* the end of the current cycle (see main.c)
*/
// ----------------------------------------------------------------------------
// keyfunc primitives
// ----------------------------------------------------------------------------
// basic keypresses
void _kbfun_press_release(bool press, keycode key) {
// no-op
if (key == 0) {
return;
}
// no-op
if (key == 0) { return; }
if (press) {
_kbfun_press(key);
@ -282,7 +296,7 @@ void _kbfun_press_release(bool press, keycode key) {
}
void _kbfun_press(keycode key) {
// modifier keys
// modifier keys
switch (key) {
case KEY_LeftControl: keyboard_modifier_keys |= (1<<0); return;
case KEY_LeftShift: keyboard_modifier_keys |= (1<<1); return;
@ -295,7 +309,7 @@ void _kbfun_press(keycode key) {
}
// all others
for (u8 i=0; i<6; i++) {
for (u8 i=0; i < sizeof(keyboard_keys); i++) {
if (keyboard_keys[i] == 0) {
keyboard_keys[i] = key;
return;
@ -304,7 +318,7 @@ void _kbfun_press(keycode key) {
}
void _kbfun_release(keycode key) {
// modifier keys
// modifier keys
switch (key) {
case KEY_LeftControl: keyboard_modifier_keys &= ~(1<<0); return;
case KEY_LeftShift: keyboard_modifier_keys &= ~(1<<1); return;
@ -316,8 +330,8 @@ void _kbfun_release(keycode key) {
case KEY_RightGUI: keyboard_modifier_keys &= ~(1<<7); return;
}
// all others
for (u8 i=0; i<6; i++) {
// all others
for (u8 i=0; i < sizeof(keyboard_keys); i++) {
if (keyboard_keys[i] == key) {
keyboard_keys[i] = 0;
return;
@ -325,27 +339,25 @@ void _kbfun_release(keycode key) {
}
}
/*
* Is the given keycode pressed?
*/
bool _kbfun_is_pressed(keycode key) {
// modifier keys
// modifier keys
switch (key) {
case KEY_LeftControl: if (keyboard_modifier_keys & (1<<0)) { return true; }
case KEY_LeftShift: if (keyboard_modifier_keys & (1<<1)) { return true; }
case KEY_LeftAlt: if (keyboard_modifier_keys & (1<<2)) { return true; }
case KEY_LeftGUI: if (keyboard_modifier_keys & (1<<3)) { return true; }
case KEY_RightControl: if (keyboard_modifier_keys & (1<<4)) { return true; }
case KEY_RightShift: if (keyboard_modifier_keys & (1<<5)) { return true; }
case KEY_RightAlt: if (keyboard_modifier_keys & (1<<6)) { return true; }
case KEY_RightGUI: if (keyboard_modifier_keys & (1<<7)) { return true; }
case KEY_LeftControl: return (keyboard_modifier_keys & (1<<0));
case KEY_LeftShift: return (keyboard_modifier_keys & (1<<1));
case KEY_LeftAlt: return (keyboard_modifier_keys & (1<<2));
case KEY_LeftGUI: return (keyboard_modifier_keys & (1<<3));
case KEY_RightControl: return (keyboard_modifier_keys & (1<<4));
case KEY_RightShift: return (keyboard_modifier_keys & (1<<5));
case KEY_RightAlt: return (keyboard_modifier_keys & (1<<6));
case KEY_RightGUI: return (keyboard_modifier_keys & (1<<7));
}
// all others
for (u8 i=0; i<6; i++)
// all others
for (u8 i=0; i < sizeof(keyboard_keys); i++) {
if (keyboard_keys[i] == key) {
return true;
}
}
return false;
}
@ -355,142 +367,64 @@ void _kbfun_mediakey_press_release(bool press, keycode key) {
if (press) {
consumer_key = media_key;
} else {
// Only one key can be pressed at a time so only clear the keypress for
// active key (most recently pressed)
// only one media key can be pressed at a time, so only clear most recent one
if (media_key == consumer_key) {
consumer_key = 0;
}
}
}
keycode _kbfun_get_keycode() {
return kb_layout_get(current_layer, current_row, current_col);
}
// ----------------------------------------------------------------------------
// basic
// basic keyfuncs
// ----------------------------------------------------------------------------
keycode current_keycode() { return kb_keycode(current_layer, current_row, current_col); }
keyfunc current_keyfunc_press() { return kb_keyfunc_press(current_layer, current_row, current_col); }
keyfunc current_keycode_release() { return kb_keyfunc_release(current_layer, current_row, current_col); }
// normal key
void kbfun_press_release() {
if (!trans_key_pressed) {
non_trans_key_pressed = true;
}
kbfun_press_release_preserve_sticky();
_kbfun_press_release(current_is_pressed, current_keycode());
}
/*
* Generate a normal keypress or keyrelease
* While basing the sticky key state transition on whether
* kbfun_press_release() was called after kbfun_transparent() generally
* works in practice, it is not always the desired behavior. One of the
* benefits of sticky keys is avoiding key chording, so we want to make sure
* that standard modifiers do not interrupt the sticky key cycle. Use
* kbfun_press_release_preserve_sticky() if you want to define a standard
* modifier key (shift, control, alt, gui) on the sticky layer instead of
* defining the key to be transparent for the layer.
*/
void kbfun_press_release_preserve_sticky() {
keycode key = _kbfun_get_keycode();
_kbfun_press_release(current_is_pressed, key);
// media key
void kbfun_mediakey_press_release() {
keycode key = current_keycode();
_kbfun_mediakey_press_release(current_is_pressed, key);
}
// ----------------------------------------------------------------------------
// layer helper functions
// ----------------------------------------------------------------------------
static bool is_layer_enable(keyfunc f) {
if (f == &kbfun_layer_enable || f == &kbfun_layer_sticky) {
return true;
}
return false;
}
static bool is_layer_disable(keyfunc f) {
if (f == &kbfun_layer_disable || f == &kbfun_layer_sticky) {
return true;
}
return false;
}
static void layer_enable_upto(layer max_layer) {
// FIXME clean this up
// pressing a key implicitly activates all lower layers as well
for (layer l=0; l <= KB_LAYERS; l++) {
void (*key_function)(void) = kb_layout_press_get(l, current_row, current_col);
if (is_layer_enable(key_function)) {
layer enable_layer = (layer) kb_layout_get(l, current_row, current_col);
if (enable_layer <= max_layer) {
layer_enable(enable_layer, StickyNone);
}
}
}
}
// ----------------------------------------------------------------------------
// layer functions
// ----------------------------------------------------------------------------
// enable given layer
// enable layer
void kbfun_layer_enable() {
layer l = (layer) _kbfun_get_keycode();
// FIXME useful for anything?
// Only the topmost layer on the stack should be in sticky once state, pop
// the top layer if it is in sticky once state
/* StickyState topSticky = layer_top_sticky(); */
/* if (topSticky == StickyOnceDown || topSticky == StickyOnceUp) { */
/* layer_disable_top(); */
/* } */
layer l = (layer) current_keycode();
layer_enable_upto(l);
}
// disable given layer
// disable layer
void kbfun_layer_disable() {
/* layer l = _kbfun_get_keycode(); */
// FIXME clean this up
// letting go off a key releases *all* layers on that key
for (layer l=0; l <= KB_LAYERS; l++) {
void (*key_function)(void) = kb_layout_release_get(l, current_row, current_col);
void (*key_function)(void) = kb_keyfunc_release(l, current_row, current_col);
if (is_layer_disable(key_function)) {
layer disable_layer = (layer) kb_layout_get(l, current_row, current_col);
layer disable_layer = (layer) kb_keycode(l, current_row, current_col);
layer_disable(disable_layer);
}
}
}
/*
* This function gives similar behavior to sticky keys for modifiers available
* on most operating systems.
* 1) One time down (set on key press) - The layer was not active and the key
* has been pressed but not yet released. The layer is pushed in the one
* time down state.
* 2) One time up (set on key release) - The layer was active when the layer
* sticky key was released. If a key on this layer (not set to
* transparent) was pressed before the key was released, the layer will be
* popped. If a non-transparent key was not pressed, the layer is popped
* and pushed again in the one time up state.
* 3) Locked (set on key press) - The layer was active and in the one time up
* state when the layer sticky key was pressed again. The layer will be
* popped if the function is invoked on a subsequent keypress.
*/
// sticky layer key
void kbfun_layer_sticky() {
layer l = (layer) _kbfun_get_keycode();
StickyState topSticky = layer_top_sticky();
layer l = (layer) current_keycode();
StickyState top_sticky = layer_top_sticky();
if (current_is_pressed) {
if (l == layers_top) {
// FIXME
/* if (topSticky == StickyOnceUp) { */
/* layer_enable(l, StickyLock); */
/* } */
} else {
if (l != layers_top) {
// only the topmost layer on the stack should be in sticky once state
if (topSticky == StickyOnceDown || topSticky == StickyOnceUp) {
if (top_sticky == StickyOnceDown || top_sticky == StickyOnceUp) {
layer_disable_top();
}
layer_enable(l, StickyOnceDown);
@ -516,72 +450,63 @@ void kbfun_layer_sticky() {
}
// ----------------------------------------------------------------------------
// special
// combo keyfuncs
// ----------------------------------------------------------------------------
/*
* Generate a 'shift' press or release before the normal keypress or release
*/
void kbfun_shift_press_release(void) {
// +shift
void kbfun_shift_press_release() {
_kbfun_press_release(current_is_pressed, KEY_LeftShift);
kbfun_press_release();
}
/*
* Generate a 'control' press or release before the normal keypress or release
*/
void kbfun_control_press_release(void) {
// +control
void kbfun_control_press_release() {
_kbfun_press_release(current_is_pressed, KEY_LeftControl);
kbfun_press_release();
}
/*
* When assigned to two keys (e.g. the physical left and right shift keys)
* (in both the press and release matrices), pressing and holding down one of
* the keys will make the second key toggle capslock
*
* If either of the shifts are pressed when the second key is pressed, they
* wil be released so that capslock will register properly when pressed.
* Capslock will then be pressed and released, and the original state of the
* shifts will be restored
*/
void kbfun_2_keys_capslock_press_release(void) {
// +alt
void kbfun_alt_press_release() {
_kbfun_press_release(current_is_pressed, KEY_LeftAlt);
kbfun_press_release();
}
// +win
void kbfun_win_press_release() {
_kbfun_press_release(current_is_pressed, KEY_LeftGUI);
kbfun_press_release();
}
// capslock
void kbfun_2_keys_capslock_press_release() {
static u8 keys_pressed;
static bool lshift_pressed;
static bool rshift_pressed;
keycode key = _kbfun_get_keycode();
keycode key = current_keycode();
if (!current_is_pressed) { keys_pressed--; }
// take care of the key that was actually pressed
// take care of the key that was actually pressed
_kbfun_press_release(current_is_pressed, key);
// take care of capslock (only on the press of the 2nd key)
// take care of capslock (only on the press of the 2nd key)
if (keys_pressed == 1 && current_is_pressed) {
// save the state of left and right shift
// save the state of left and right shift
lshift_pressed = _kbfun_is_pressed(KEY_LeftShift);
rshift_pressed = _kbfun_is_pressed(KEY_RightShift);
// disable both
// disable both
_kbfun_press_release(false, KEY_LeftShift);
_kbfun_press_release(false, KEY_RightShift);
// press capslock, then release it
// press capslock, then release it
_kbfun_press_release(true, KEY_CapsLock); usb_keyboard_send();
_kbfun_press_release(false, KEY_CapsLock); usb_keyboard_send();
// restore the state of left and right shift
// restore the state of left and right shift
if (lshift_pressed) { _kbfun_press_release(true, KEY_LeftShift); }
if (rshift_pressed) { _kbfun_press_release(true, KEY_RightShift); }
}
if (current_is_pressed) { keys_pressed++; }
}
/*
* Generate a keypress for a media key
*/
void kbfun_mediakey_press_release(void) {
keycode key = _kbfun_get_keycode();
_kbfun_mediakey_press_release(current_is_pressed, key);
}

36
src/main.h
View File

@ -1,30 +1,36 @@
/* This file was automatically generated. Do not edit! */
void kbfun_mediakey_press_release(void);
void kbfun_2_keys_capslock_press_release(void);
void kbfun_control_press_release(void);
void kbfun_shift_press_release(void);
void kbfun_layer_disable();
void kbfun_layer_sticky();
void kbfun_layer_enable();
void kbfun_press_release_preserve_sticky();
void kbfun_2_keys_capslock_press_release();
void kbfun_win_press_release();
void kbfun_alt_press_release();
void kbfun_control_press_release();
void kbfun_shift_press_release();
void kbfun_mediakey_press_release();
void kbfun_press_release();
keycode _kbfun_get_keycode();
keyfunc current_keycode_release();
keyfunc current_keyfunc_press();
keycode current_keycode();
void _kbfun_mediakey_press_release(bool press,keycode key);
bool _kbfun_is_pressed(keycode key);
void _kbfun_release(keycode key);
void _kbfun_press(keycode key);
void _kbfun_press_release(bool press,keycode key);
keycode kb_layout_get(layer l,u8 row,u8 col);
keyfunc kb_layout_release_get(layer l,u8 row,u8 col);
keyfunc kb_layout_press_get(layer l,u8 row,u8 col);
keycode kb_keycode(layer l,u8 row,u8 col);
void layer_enable_upto(layer max_layer);
void kbfun_layer_disable();
bool is_layer_disable(keyfunc f);
void kbfun_layer_sticky();
void kbfun_layer_enable();
bool is_layer_enable(keyfunc f);
layer layer_peek(layer offset);
void layer_disable_top();
void layer_disable(layer l);
void layer_enable(layer l,StickyState sticky);
StickyState layer_sticky(layer l);
layer highest_active_layer(layer offset);
void layer_disable_top();
StickyState layer_top_sticky();
layer _highest_active_layer(layer offset);
keyfunc kb_keyfunc_release(layer l,u8 row,u8 col);
keyfunc kb_keyfunc_press(layer l,u8 row,u8 col);
void exec_key(void);
void main_key_loop();
void init_layers();
int main(void);
int main();