109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
// vim: ts=4 sw=4 sts=4
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/* ----------------------------------------------------------------------------
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* main()
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* ----------------------------------------------------------------------------
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* Copyright (c) 2012 Ben Blazak <benblazak.dev@gmail.com>
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* Released under The MIT License (MIT) (see "license.md")
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* Project located at <https://github.com/benblazak/ergodox-firmware>
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* ------------------------------------------------------------------------- */
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#include <util/delay.h>
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#include "lib-other/pjrc/usb_keyboard/usb_keyboard.h"
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#include "lib/data-types.h"
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#include "keyboard.h"
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int main(void) {
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kb_init(); // does controller initialization too
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kb_led_state_power_on();
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usb_init();
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while (!usb_configured());
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kb_led_delay_usb_init(); // give the OS time to load drivers, etc.
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kb_led_state_ready();
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for (;;) {
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// the overall current layer
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static uint8_t current_layer;
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// the current layer for each key
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static uint8_t current_layers[KB_ROWS][KB_COLUMNS];
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// the layer each key was on when it was last pressed
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static uint8_t pressed_layers[KB_ROWS][KB_COLUMNS];
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// swap `kb_is_pressed` and `kb_was_pressed`, then update
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bool (*temp)[KB_ROWS][KB_COLUMNS] = kb_was_pressed;
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kb_was_pressed = kb_is_pressed;
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kb_is_pressed = temp;
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kb_update_matrix(*kb_is_pressed);
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// call the appropriate function for each key(press|release), then send
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// the usb report if necessary
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// -------
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// - everything else is the key function's responsibility; see the
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// keyboard layout file ("keyboard/ergodox/layout/*.c") for which key
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// is assigned which function (per layer), and "lib/key-functions.c"
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// for their definitions
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// - anything passed to the key function by reference may be changed
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// after the call
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for (uint8_t row=0; row<KB_ROWS; row++) {
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for (uint8_t col=0; col<KB_COLUMNS; col++) {
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bool is_pressed = (*kb_is_pressed)[row][col];
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bool was_pressed = (*kb_was_pressed)[row][col];
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if (is_pressed != was_pressed) {
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if (is_pressed) {
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uint8_t layer = current_layers[row][col];
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pressed_layers[row][col] = layer;
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kbfun_funptr_t press_function =
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kb_layout_press_get(layer, row, col);
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if (press_function) {
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(*press_function)(
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kb_layout_get(layer, row, col),
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true, ¤t_layer,
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¤t_layers, &pressed_layers,
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&row, &col );
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}
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} else {
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uint8_t layer = pressed_layers[row][col];
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kbfun_funptr_t release_function =
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kb_layout_release_get(layer, row, col);
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if (release_function) {
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(*release_function)(
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kb_layout_get(layer, row, col),
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false, ¤t_layer,
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¤t_layers, &pressed_layers,
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&row, &col );
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}
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}
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usb_keyboard_send();
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_delay_ms(KB_DEBOUNCE_TIME);
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}
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}
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}
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// update LEDs
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if (keyboard_leds & (1<<0)) { kb_led_num_on(); }
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else { kb_led_num_off(); }
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if (keyboard_leds & (1<<1)) { kb_led_caps_on(); }
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else { kb_led_caps_off(); }
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if (keyboard_leds & (1<<2)) { kb_led_scroll_on(); }
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else { kb_led_scroll_off(); }
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if (keyboard_leds & (1<<3)) { kb_led_compose_on(); }
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else { kb_led_compose_off(); }
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if (keyboard_leds & (1<<4)) { kb_led_kana_on(); }
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else { kb_led_kana_off(); }
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}
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return 0;
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}
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