217 lines
7.8 KiB
C
217 lines
7.8 KiB
C
/* Copyright 2021 Jonathan Rascher
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "bcat_oled.h"
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#include "quantum.h"
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#include "bcat.h"
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#if defined(BCAT_OLED_PET)
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# include "bcat_oled_pet.h"
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#endif
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#define TRIANGLE_UP 0x1e
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#define TRIANGLE_DOWN 0x1f
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#if defined(BCAT_OLED_PET)
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static bool oled_pet_should_jump = false;
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#endif
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/* Should be overridden by the keymap to render the OLED contents. For split
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* keyboards, this function is only called on the master side.
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*/
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__attribute__((weak)) void oled_task_keymap(const oled_keyboard_state_t *keyboard_state) {}
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bool oled_task_user(void) {
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#if defined(SPLIT_KEYBOARD)
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if (is_keyboard_master()) {
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#endif
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/* Custom OLED timeout implementation that only considers user activity.
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* Allows the OLED to turn off in the middle of a continuous animation.
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*/
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static const uint16_t TIMEOUT_MILLIS = 60000 /* 1 min */;
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if (last_input_activity_elapsed() < TIMEOUT_MILLIS) {
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if (!is_oled_on()) {
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oled_on();
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}
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oled_keyboard_state_t keyboard_state = {
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.mods = get_mods(),
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.leds = host_keyboard_led_state(),
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.wpm = get_current_wpm(),
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};
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oled_task_keymap(&keyboard_state);
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} else if (is_oled_on()) {
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oled_off();
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}
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#if defined(SPLIT_KEYBOARD)
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} else {
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/* Display logo embedded at standard location in the OLED font on the
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* slave side. By default, this is a "QMK firmware" logo, but many
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* keyboards substitute their own logo. Occupies 21x3 character cells.
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*
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* Since the slave display buffer never changes, we don't need to worry
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* about oled_render incorrectly turning the OLED on. Instead, we rely
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* on SPLIT_OLED_ENABLE to propagate OLED on/off status from master.
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*/
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static const char PROGMEM logo[] = {
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// clang-format off
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
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0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
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0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
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0x00,
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// clang-format on
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};
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oled_write_P(logo, /*invert=*/false);
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}
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#endif
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return false;
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}
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void render_oled_layers(void) {
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oled_advance_char();
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oled_advance_char();
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#if defined(BCAT_ORTHO_LAYERS)
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oled_write_char(IS_LAYER_ON(LAYER_LOWER) ? TRIANGLE_DOWN : ' ', /*invert=*/false);
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oled_advance_char();
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oled_write_char(IS_LAYER_ON(LAYER_RAISE) ? TRIANGLE_UP : ' ', /*invert=*/false);
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#else
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switch (get_highest_layer(layer_state)) {
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case LAYER_FUNCTION_1:
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oled_write_P(PSTR("FN1"), /*invert=*/false);
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break;
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case LAYER_FUNCTION_2:
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oled_write_P(PSTR("FN2"), /*invert=*/false);
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break;
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default:
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oled_write_P(PSTR(" "), /*invert=*/false);
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break;
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}
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#endif
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}
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void render_oled_indicators(led_t leds) {
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oled_advance_char();
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oled_advance_char();
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oled_write_P(leds.num_lock ? PSTR("NUM") : PSTR(" "), /*invert=*/false);
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oled_advance_char();
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oled_advance_char();
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oled_write_P(leds.caps_lock ? PSTR("CAP") : PSTR(" "), /*invert=*/false);
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oled_advance_char();
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oled_advance_char();
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oled_write_P(leds.scroll_lock ? PSTR("SCR") : PSTR(" "), /*invert=*/false);
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}
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void render_oled_wpm(uint8_t wpm) {
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static const uint16_t UPDATE_MILLIS = 100;
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static uint32_t update_timeout = 0;
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if (timer_expired32(timer_read32(), update_timeout)) {
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oled_advance_char();
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oled_advance_char();
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oled_write_P(wpm > 0 ? PSTR("WPM") : PSTR(" "), /*invert=*/false);
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if (wpm > 0) {
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oled_advance_char();
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oled_advance_char();
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oled_write(get_u8_str(wpm, ' '), /*invert=*/false);
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} else {
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oled_advance_page(/*clearPageRemainder=*/true);
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}
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update_timeout = timer_read32() + UPDATE_MILLIS;
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}
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}
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#if defined(BCAT_OLED_PET)
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void process_record_oled(uint16_t keycode, const keyrecord_t *record) {
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switch (keycode) {
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case KC_SPACE:
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if (oled_pet_can_jump()) {
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oled_pet_should_jump = record->event.pressed;
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}
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break;
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default:
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break;
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}
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}
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static void redraw_oled_pet(uint8_t col, uint8_t line, bool jumping, oled_pet_state_t state) {
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oled_set_cursor(col, line);
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if (jumping) {
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oled_write_raw_P(oled_pet_frame(state), oled_pet_frame_bytes());
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oled_set_cursor(col, line + oled_pet_frame_lines());
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oled_advance_page(/*clearPageRemainder=*/true);
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} else {
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oled_advance_page(/*clearPageRemainder=*/true);
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oled_write_raw_P(oled_pet_frame(state), oled_pet_frame_bytes());
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}
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}
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void render_oled_pet(uint8_t col, uint8_t line, const oled_keyboard_state_t *keyboard_state) {
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/* Current animation to draw. We track changes to avoid redrawing the same
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* frame repeatedly, allowing oled_pet_post_render to draw over the
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* animation frame.
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*/
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static oled_pet_state_t state = 0;
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static bool state_changed = true;
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/* Minimum time until the pet comes down after jumping. */
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static const uint16_t JUMP_MILLIS = 200;
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static bool jumping = false;
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/* Time until the next animation or jump state change. */
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static uint32_t update_timeout = 0;
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static uint32_t jump_timeout = 0;
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/* If the user pressed the jump key, immediately redraw instead of waiting
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* for the animation frame to update. That way, the pet appears to respond
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* to jump commands quickly rather than lagging. If the user released the
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* jump key, wait for the jump timeout to avoid overly brief jumps.
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*/
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bool redraw = state_changed;
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if (oled_pet_should_jump && !jumping) {
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redraw = true;
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jumping = true;
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jump_timeout = timer_read32() + JUMP_MILLIS;
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} else if (!oled_pet_should_jump && jumping && timer_expired32(timer_read32(), jump_timeout)) {
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redraw = true;
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jumping = false;
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}
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/* Draw the actual animation, then move the cursor to the end of the
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* rendered area. (Note that we take up an extra line to account for
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* jumping, which shifts the animation up or down a line.)
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*/
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if (redraw) {
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redraw_oled_pet(col, line, jumping, state);
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}
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oled_pet_post_render(col, line + !jumping, keyboard_state, redraw);
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oled_set_cursor(col, line + oled_pet_frame_lines() + 1);
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/* If the update timer expired, recompute the pet's animation state. */
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if (timer_expired32(timer_read32(), update_timeout)) {
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oled_pet_state_t new_state = oled_pet_next_state(state, keyboard_state);
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state_changed = new_state != state;
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state = new_state;
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update_timeout = timer_read32() + oled_pet_update_millis(keyboard_state);
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} else {
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state_changed = false;
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}
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}
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#endif
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