102 lines
3.0 KiB
C
102 lines
3.0 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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// note:
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// - see your keyswitch specification for the necessary value. for cherry mx
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// switches, bounce time should be <= 5ms. it looks like most switches are
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// speced between 5 and 8ms.
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// - if timing is important, balance this value with the main() loop run time
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// (~5ms, last i checked, nearly all of it in the i2c update() function)
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#define DEBOUNCE_TIME 5 // in ms
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int main(void) {
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kb_init(); // does controller initialization too
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KB_LED1_ON;
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KB_LED2_ON;
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KB_LED3_ON;
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usb_init();
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while (!usb_configured());
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_delay_ms(1000); // make sure the OS has had time to load drivers, etc.
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KB_LED1_OFF;
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KB_LED2_OFF;
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KB_LED3_OFF;
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for (;;) {
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static uint8_t current_layer = 0;
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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, then send the report if
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// necessary
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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 "key-functions.c" for
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// their definitions
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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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kbfun_funptr_t press_function =
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kb_layout_press[current_layer][row][col];
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if (press_function) {
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(*press_function)(
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&kb_layout[current_layer][row][col],
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¤t_layer, &row, &col );
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}
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} else {
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kbfun_funptr_t release_function =
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kb_layout_release[current_layer][row][col];
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if (release_function) {
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(*release_function)(
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&kb_layout[current_layer][row][col],
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¤t_layer, &row, &col );
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}
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}
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usb_keyboard_send();
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_delay_ms(DEBOUNCE_TIME);
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}
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}
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}
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// update LEDs
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(keyboard_leds & (1<<0)) ? KB_LED1_ON : KB_LED1_OFF; // num lock
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(keyboard_leds & (1<<1)) ? KB_LED2_ON : KB_LED2_OFF; // caps lock
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(keyboard_leds & (1<<2)) ? KB_LED3_ON : KB_LED3_OFF; // scroll lock
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#if 0 // not implemented right now
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(keyboard_leds & (1<<3)) ? KB_LED4_ON : KB_LED4_OFF; // compose
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(keyboard_leds & (1<<4)) ? KB_LED5_ON : KB_LED5_OFF; // kana
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#endif
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}
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return 0;
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}
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