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qmk_firmware/keyboards/handwired/lagrange/keymaps/dpapavas/keymap.c
Jeff Epler 9632360caa
Use a macro to compute the size of arrays at compile time (#18044) 
* Add ARRAY_SIZE and CEILING utility macros

* Apply a coccinelle patch to use ARRAY_SIZE

* fix up some straggling items

* Fix 'make test:secure'

* Enhance ARRAY_SIZE macro to reject acting on pointers

The previous definition would not produce a diagnostic for
```
int *p;
size_t num_elem = ARRAY_SIZE(p)
```
but the new one will.

* explicitly get definition of ARRAY_SIZE

* Convert to ARRAY_SIZE when const is involved

The following spatch finds additional instances where the array is
const and the division is by the size of the type, not the size of
the first element:
```
@ rule5a using "empty.iso" @
type T;
const T[] E;
@@

- (sizeof(E)/sizeof(T))
+ ARRAY_SIZE(E)

@ rule6a using "empty.iso" @
type T;
const T[] E;
@@

- sizeof(E)/sizeof(T)
+ ARRAY_SIZE(E)
```

* New instances of ARRAY_SIZE added since initial spatch run

* Use `ARRAY_SIZE` in docs (found by grep)

* Manually use ARRAY_SIZE

hs_set is expected to be the same size as uint16_t, though it's made
of two 8-bit integers

* Just like char, sizeof(uint8_t) is guaranteed to be 1

This is at least true on any plausible system where qmk is actually used.

Per my understanding it's universally true, assuming that uint8_t exists:
https://stackoverflow.com/questions/48655310/can-i-assume-that-sizeofuint8-t-1

* Run qmk-format on core C files touched in this branch

Co-authored-by: Stefan Kerkmann <karlk90@pm.me>
2022-08-30 10:20:04 +02:00

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/* Copyright 2020 Dimitris Papavasiliou <dpapavas@protonmail.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include QMK_KEYBOARD_H
#define CAPS_SFT MT(MOD_LSFT, KC_CAPS)
#define QUOT_SFT MT(MOD_RSFT, KC_QUOT)
#define PSCR_SFT MT(MOD_LSFT, KC_PSCR)
#define PAUSE_SFT MT(MOD_RSFT, KC_PAUSE)
#define F_SFT MT(MOD_LSFT, KC_F)
#define J_SFT MT(MOD_RSFT, KC_J)
#define PGUP_GUI MT(MOD_LGUI, KC_PGUP)
#define END_GUI MT(MOD_LGUI, KC_END)
#define UP_GUI MT(MOD_RGUI, KC_UP)
#define LEFT_GUI MT(MOD_RGUI, KC_LEFT)
#define EQL_CTL MT(MOD_RCTL, KC_EQL)
#define MINS_CTL MT(MOD_LCTL, KC_MINS)
#define BSPC_ALT LALT_T(KC_BSPC)
#define ENT_ALT LALT_T(KC_ENT)
#define SPC_ALT RALT_T(KC_SPC)
#define DEL_ALT RALT_T(KC_DEL)
enum tapdance_keycodes {
TD_LEFT,
TD_RGHT,
TD_C_X
};
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[0] = LAYOUT(
/* Left hand */ /* Right hand */
KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_ESC,
KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSLS,
CAPS_SFT, KC_A, KC_S, KC_D, F_SFT, KC_G, KC_H, J_SFT, KC_K, KC_L, KC_SCLN, QUOT_SFT,
PSCR_SFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, PAUSE_SFT,
TD(TD_LEFT), KC_INS, KC_LBRC, MINS_CTL, BSPC_ALT, DEL_ALT, TD(TD_C_X), TD(TD_C_X), ENT_ALT, SPC_ALT, EQL_CTL, KC_RBRC, KC_DEL, TD(TD_RGHT),
KC_HOME, PGUP_GUI, END_GUI, LEFT_GUI, UP_GUI, KC_RGHT,
KC_PGDN, KC_DOWN
),
[1] = LAYOUT(
/* Left hand */ /* Right hand */
KC_TRNS, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_F11,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_F12,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, QK_BOOT, QK_BOOT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS
),
};
/* The following helper macros define tap dances that support
* separated press, release, tap and double-tap functions. */
#define STEPS(DANCE) [DANCE] = ACTION_TAP_DANCE_FN_ADVANCED( \
NULL, \
dance_ ## DANCE ## _finished, \
dance_ ## DANCE ## _reset)
#define CHOREOGRAPH(DANCE, PRESS, RELEASE, TAP, DOUBLETAP) \
static bool dance_ ## DANCE ## _pressed; \
\
void dance_ ## DANCE ## _finished(qk_tap_dance_state_t *state, void *user_data) { \
if (state->count == 1) { \
if (state->pressed) { \
dance_ ## DANCE ## _pressed = true; \
PRESS; \
} else { \
TAP; \
} \
} else if (state->count == 2) { \
if (!state->pressed) { \
DOUBLETAP; \
} \
} \
} \
\
void dance_ ## DANCE ## _reset(qk_tap_dance_state_t *state, void *user_data) { \
if (state->count == 1) { \
if (dance_ ## DANCE ## _pressed) { \
RELEASE; \
dance_ ## DANCE ## _pressed = false; \
} \
} \
}
/* Define dance for left palm key. */
CHOREOGRAPH(TD_LEFT,
layer_invert(1), /* Temporarily toggle layer when held. */
layer_invert(1),
/* Press and release both shifts on tap, to change
* keyboard layout (i.e. language). */
SEND_STRING(SS_DOWN(X_LSFT) SS_DOWN(X_RSFT)
SS_UP(X_LSFT) SS_UP(X_RSFT)),
layer_invert(1)); /* Toggle layer (permanently) on
* double-tap. */
/* Define dance for right palm key. */
CHOREOGRAPH(TD_RGHT,
layer_invert(1), /* Same as above */
layer_invert(1),
/* Send a complex macro: C-x C-s Mod-t up. (Save in
* Emacs, switch to terminal and recall previous command,
* hopefully a compile command.) */
SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X) SS_TAP(X_S) SS_UP(X_LCTRL)
SS_DOWN(X_LGUI) SS_TAP(X_T) SS_UP(X_LGUI) SS_TAP(X_UP)),
layer_invert(1));
/* This facilitates C-x chords in Emacs. Used as a modifier along
* with, say, the s-key, it saves, by sending C-x C-s. When tapped it
* just sends C-x. */
CHOREOGRAPH(TD_C_X,
SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X)),
SEND_STRING(SS_UP(X_LCTRL)),
SEND_STRING(SS_DOWN(X_LCTRL) SS_TAP(X_X) SS_UP(X_LCTRL)),);
qk_tap_dance_action_t tap_dance_actions[] = {
STEPS(TD_LEFT), STEPS(TD_RGHT), STEPS(TD_C_X)
};
/* Set a longer tapping term for palm keys to allow comfortable
* permanent layer toggle. Also set an essentially infinite tapping
* term for certain mod-tap keys one tends to keep pressed (such as
* space, backspace, etc.). This prevents sending the modifier
* keycode by accident (allowing re-tap to get repeated key-press)
* and, in combination with permissive hold, they can still be used
* fine as modifiers. */
uint16_t get_tapping_term(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
case TD(TD_LEFT):
case TD(TD_RGHT):
return 250;
case BSPC_ALT:
case UP_GUI:
case LEFT_GUI:
return 5000;
default:
return TAPPING_TERM;
}
}
bool get_permissive_hold(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
case TD(TD_LEFT):
case TD(TD_RGHT):
case BSPC_ALT:
case UP_GUI:
case LEFT_GUI:
return true;
default:
return false;
}
}
/* Use the first LED to indicate the active layer. */
layer_state_t layer_state_set_user(layer_state_t state) {
writePin(D0, (get_highest_layer(state) > 0));
return state;
}
/* Cycle through the LEDs after initialization. */
void keyboard_post_init_user(void) {
const pin_t pins[] = {D0, D1, D2};
uint8_t i, j;
for (i = 0 ; i < ARRAY_SIZE(pins) + 2 ; i += 1) {
for (j = 0 ; j < ARRAY_SIZE(pins); j += 1) {
setPinOutput(pins[j]);
writePin(pins[j], (j == i || j == i - 1));
}
wait_ms(100);
}
}
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