common/bootmagic.c

   1 #include <stdint.h>
   2 #include <stdbool.h>
   3 #include <util/delay.h>
   4 #include "matrix.h"
   5 #include "keymap.h"
   6 #include "eeconfig.h"
   7 #include "bootloader.h"
   8 #include "bootmagic.h"
   9
  10
  11 void bootmagic(void)
  12 {
  13     /* do scans in case of bounce */
  14     uint8_t scan = 100;
  15     while (scan--) { matrix_scan(); _delay_ms(1); }
  16
  17     if (!BOOTMAGIC_IS_ENABLE()) { return; }
  18
  19     if (bootmagic_scan_keycode(BOOTMAGIC_BOOTLOADER_KEY)) {
  20         bootloader_jump();
  21     }
  22
  23     if (bootmagic_scan_keycode(BOOTMAGIC_DEBUG_ENABLE_KEY)) {
  24         eeconfig_write_debug(eeconfig_read_debug() ^ EECONFIG_DEBUG_ENABLE);
  25     }
  26
  27     if (bootmagic_scan_keycode(BOOTMAGIC_EEPROM_CLEAR_KEY)) {
  28         eeconfig_init();
  29     }
  30 }
  31
  32 bool bootmagic_scan_keycode(uint8_t keycode)
  33 {
  34     for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
  35         matrix_row_t matrix_row = matrix_get_row(r);
  36         for (uint8_t c = 0; c < MATRIX_COLS; c++) {
  37             if (matrix_row & ((matrix_row_t)1<<c)) {
  38                 if (keycode == keymap_key_to_keycode(0, (key_t){ .row = r, .col = c })) {
  39                     return true;
  40                 }
  41             }
  42         }
  43     }
  44     return false;
  45 }