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qmk_firmware/keyboards/system76/launch_alpha_2/launch_alpha_2.c
2020-10-30 09:35:16 -06:00

50 lines
1.3 KiB
C

#include "dynamic_keymap.h"
#include "tmk_core/common/eeprom.h"
#include "launch_alpha_2.h"
bool eeprom_is_valid(void) {
return (eeprom_read_word(((void*)EEPROM_MAGIC_ADDR)) == EEPROM_MAGIC &&
eeprom_read_byte(((void*)EEPROM_VERSION_ADDR)) == EEPROM_VERSION);
}
void eeprom_set_valid(bool valid) {
eeprom_update_word(((void*)EEPROM_MAGIC_ADDR), valid ? EEPROM_MAGIC : 0xFFFF);
eeprom_update_byte(((void*)EEPROM_VERSION_ADDR), valid ? EEPROM_VERSION : 0xFF);
}
void eeprom_reset(void) {
// Set the keyboard specific EEPROM state as invalid.
eeprom_set_valid(false);
// Set the TMK/QMK EEPROM state as invalid.
eeconfig_disable();
}
void bootmagic_lite(void) {
// The lite version of TMK's bootmagic.
// 100% less potential for accidentally making the
// keyboard do stupid things.
// We need multiple scans because debouncing can't be turned off.
matrix_scan();
wait_ms(DEBOUNCE);
wait_ms(DEBOUNCE);
matrix_scan();
// If the Esc (matrix 0,0) is held down on power up,
// reset the EEPROM valid state and jump to bootloader.
if ( matrix_get_row(0) & (1<<0) ) {
eeprom_reset();
bootloader_jump();
}
}
void matrix_init_kb(void) {
bootmagic_lite();
if (!eeprom_is_valid()) {
dynamic_keymap_reset();
dynamic_keymap_macro_reset();
eeprom_set_valid(true);
}
}