111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
/*
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Copyright 2013,2014 Kai Ryu <kai1103@gmail.com>
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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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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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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 <avr/pgmspace.h>
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#include <avr/eeprom.h>
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#include "eeconfig.h"
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#include "keymap_in_eeprom.h"
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#include "debug.h"
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#ifdef KEYMAP_IN_EEPROM_ENABLE
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void keymap_in_eeprom_init(void) {
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if (!check_keymap_in_eeprom()) {
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write_keymap_to_eeprom();
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}
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}
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void keymap_in_eeprom_disable(void) {
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eeprom_write_word(EECONFIG_KEYMAP_CHECKSUM, eeprom_read_word(EECONFIG_KEYMAP_CHECKSUM) + 1);
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}
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bool check_keymap_in_eeprom(void) {
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uint16_t checksum_in_eeprom = eeprom_read_word(EECONFIG_KEYMAP_CHECKSUM);
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uint16_t checksum = EECONFIG_MAGIC_NUMBER;
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for (uint16_t i = 0; i < KEYMAP_SIZE; i++) {
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uint8_t byte = eeprom_read_byte((uint8_t *)EECONFIG_KEYMAP_FN_ACTIONS + i);
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uint16_t word = (i & 1) ? byte << 8 : byte;
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checksum += word;
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}
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#ifdef DEBUG
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eeprom_write_word(EECONFIG_KEYMAP_DEBUG, checksum);
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#endif
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return (checksum_in_eeprom == checksum);
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}
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void write_keymap_to_eeprom(void) {
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uint16_t checksum = EECONFIG_MAGIC_NUMBER;
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const uint16_t *fn_actions = fn_actions_pointer();
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const uint8_t *keymaps = keymaps_pointer();
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// write fn_actions
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if (fn_actions != NULL) {
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uint16_t fn_actions_count_in_flash = fn_actions_count();
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for (uint16_t i = 0; i < FN_ACTIONS_COUNT; i++) {
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uint16_t fn_action = 0;
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if (i < fn_actions_count_in_flash) {
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fn_action = pgm_read_word(fn_actions + i);
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}
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eeconfig_write_keymap_fn_action(i, fn_action);
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checksum += fn_action;
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}
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}
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// write keymaps
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if (keymaps != NULL) {
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uint16_t keys_count_in_flash = keys_count();
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for (uint16_t i = 0; i < KEYS_COUNT; i++) {
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uint8_t keymap = 0;
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if (i < keys_count_in_flash) {
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keymap = pgm_read_byte(keymaps + i);
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}
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eeconfig_write_keymap_key_by_index(i, keymap);
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uint16_t keymap_word = keymap;
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if (i & 1) {
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keymap_word = keymap << 8;
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}
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checksum += keymap_word;
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}
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}
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// write checksum
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eeprom_write_word(EECONFIG_KEYMAP_CHECKSUM, checksum);
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}
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uint16_t eeconfig_read_keymap_fn_action(uint8_t index) {
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return eeprom_read_word(EECONFIG_KEYMAP_FN_ACTIONS + index);
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}
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void eeconfig_write_keymap_fn_action(uint8_t index, uint16_t fn_action) {
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return eeprom_write_word(EECONFIG_KEYMAP_FN_ACTIONS + index, fn_action);
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}
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uint8_t eeconfig_read_keymap_key(uint8_t layer, uint8_t row, uint8_t col) {
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return eeprom_read_byte(EECONFIG_KEYMAP_KEYMAPS + KEY_OFFSET(layer, row, col));
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}
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void eeconfig_write_keymap_key(uint8_t layer, uint8_t row, uint8_t col, uint8_t key) {
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return eeprom_write_byte(EECONFIG_KEYMAP_KEYMAPS + KEY_OFFSET(layer, row, col), key);
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}
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uint8_t eeconfig_read_keymap_key_by_index(uint16_t index) {
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return eeprom_read_byte(EECONFIG_KEYMAP_KEYMAPS + index);
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}
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void eeconfig_write_keymap_key_by_index(uint16_t index, uint8_t key) {
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return eeprom_write_byte(EECONFIG_KEYMAP_KEYMAPS + index, key);
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}
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#endif
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