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- /*
- Copyright 2013,2014 Kai Ryu <[email protected]>
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #include <avr/pgmspace.h>
- #include <avr/eeprom.h>
- #include "eeconfig.h"
- #include "keymap_in_eeprom.h"
- #include "matrix.h"
- #include "debug.h"
-
- #ifdef KEYMAP_IN_EEPROM_ENABLE
-
- void keymap_in_eeprom_init(void) {
- if (!check_keymap_in_eeprom()) {
- write_keymap_to_eeprom();
- }
- }
-
- void keymap_in_eeprom_disable(void) {
- eeprom_write_word(EECONFIG_KEYMAP_CHECKSUM, eeprom_read_word(EECONFIG_KEYMAP_CHECKSUM) + 1);
- }
-
- bool check_keymap_in_eeprom(void) {
- uint16_t checksum_in_eeprom = eeprom_read_word(EECONFIG_KEYMAP_CHECKSUM);
- uint16_t checksum = EECONFIG_MAGIC_NUMBER;
- for (uint16_t i = 0; i < KEYMAP_SIZE; i++) {
- uint8_t byte = eeprom_read_byte((uint8_t *)EECONFIG_KEYMAP_FN_ACTIONS + i);
- uint16_t word = (i & 1) ? byte << 8 : byte;
- checksum += word;
- }
- #ifdef DEBUG
- eeprom_write_word(EECONFIG_KEYMAP_DEBUG, checksum);
- #endif
- return (checksum_in_eeprom == checksum);
- }
-
- void write_keymap_to_eeprom(void) {
- uint16_t checksum = EECONFIG_MAGIC_NUMBER;
- const uint16_t *fn_actions = fn_actions_pointer();
- const uint8_t *keymaps = keymaps_pointer();
- // write fn_actions
- if (fn_actions != NULL) {
- uint16_t fn_actions_count_in_flash = fn_actions_count();
- for (uint16_t i = 0; i < FN_ACTIONS_COUNT; i++) {
- uint16_t fn_action = 0;
- if (i < fn_actions_count_in_flash) {
- fn_action = pgm_read_word(fn_actions + i);
- }
- eeconfig_write_keymap_fn_action(i, fn_action);
- checksum += fn_action;
- }
- }
- // write keymaps
- if (keymaps != NULL) {
- uint16_t keys_count_in_flash = keys_count();
- for (uint16_t i = 0; i < KEYS_COUNT; i++) {
- uint8_t keymap = 0;
- if (i < keys_count_in_flash) {
- keymap = pgm_read_byte(keymaps + i);
- }
- eeconfig_write_keymap_key_by_index(i, keymap);
- uint16_t keymap_word = keymap;
- if (i & 1) {
- keymap_word = keymap << 8;
- }
- checksum += keymap_word;
- }
- }
- // write checksum
- eeprom_write_word(EECONFIG_KEYMAP_CHECKSUM, checksum);
- }
-
- uint16_t eeconfig_read_keymap_fn_action(uint8_t index) {
- return eeprom_read_word(EECONFIG_KEYMAP_FN_ACTIONS + index);
- }
-
- void eeconfig_write_keymap_fn_action(uint8_t index, uint16_t fn_action) {
- return eeprom_write_word(EECONFIG_KEYMAP_FN_ACTIONS + index, fn_action);
- }
-
- uint8_t eeconfig_read_keymap_key(uint8_t layer, uint8_t row, uint8_t col) {
- return eeprom_read_byte(EECONFIG_KEYMAP_KEYMAPS + KEY_OFFSET(layer, row, col));
- }
-
- void eeconfig_write_keymap_key(uint8_t layer, uint8_t row, uint8_t col, uint8_t key) {
- return eeprom_write_byte(EECONFIG_KEYMAP_KEYMAPS + KEY_OFFSET(layer, row, col), key);
- }
-
- uint8_t eeconfig_read_keymap_key_by_index(uint16_t index) {
- return eeprom_read_byte(EECONFIG_KEYMAP_KEYMAPS + index);
- }
-
- void eeconfig_write_keymap_key_by_index(uint16_t index, uint8_t key) {
- return eeprom_write_byte(EECONFIG_KEYMAP_KEYMAPS + index, key);
- }
-
- #endif
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