1 /* Copyright 2017 Jason Williams (Wilba)
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #include "keymap.h" // to get keymaps[][][]
19 #include "tmk_core/common/eeprom.h"
20 #include "progmem.h" // to read default from flash
21 #include "quantum.h" // for send_string()
22 #include "dynamic_keymap.h"
24 #ifdef DYNAMIC_KEYMAP_ENABLE
26 # ifndef DYNAMIC_KEYMAP_EEPROM_ADDR
27 # error DYNAMIC_KEYMAP_EEPROM_ADDR not defined
30 # ifndef DYNAMIC_KEYMAP_LAYER_COUNT
31 # error DYNAMIC_KEYMAP_LAYER_COUNT not defined
34 # ifndef DYNAMIC_KEYMAP_MACRO_COUNT
35 # error DYNAMIC_KEYMAP_MACRO_COUNT not defined
38 # ifndef DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR
39 # error DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR not defined
42 # ifndef DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE
43 # error DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE not defined
46 uint8_t dynamic_keymap_get_layer_count(void) { return DYNAMIC_KEYMAP_LAYER_COUNT; }
48 void *dynamic_keymap_key_to_eeprom_address(uint8_t layer, uint8_t row, uint8_t column) {
49 // TODO: optimize this with some left shifts
50 return ((void *)DYNAMIC_KEYMAP_EEPROM_ADDR) + (layer * MATRIX_ROWS * MATRIX_COLS * 2) + (row * MATRIX_COLS * 2) + (column * 2);
53 uint16_t dynamic_keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t column) {
54 void *address = dynamic_keymap_key_to_eeprom_address(layer, row, column);
55 // Big endian, so we can read/write EEPROM directly from host if we want
56 uint16_t keycode = eeprom_read_byte(address) << 8;
57 keycode |= eeprom_read_byte(address + 1);
61 void dynamic_keymap_set_keycode(uint8_t layer, uint8_t row, uint8_t column, uint16_t keycode) {
62 void *address = dynamic_keymap_key_to_eeprom_address(layer, row, column);
63 // Big endian, so we can read/write EEPROM directly from host if we want
64 eeprom_update_byte(address, (uint8_t)(keycode >> 8));
65 eeprom_update_byte(address + 1, (uint8_t)(keycode & 0xFF));
68 void dynamic_keymap_reset(void) {
69 // Reset the keymaps in EEPROM to what is in flash.
70 // All keyboards using dynamic keymaps should define a layout
71 // for the same number of layers as DYNAMIC_KEYMAP_LAYER_COUNT.
72 for (int layer = 0; layer < DYNAMIC_KEYMAP_LAYER_COUNT; layer++) {
73 for (int row = 0; row < MATRIX_ROWS; row++) {
74 for (int column = 0; column < MATRIX_COLS; column++) {
75 dynamic_keymap_set_keycode(layer, row, column, pgm_read_word(&keymaps[layer][row][column]));
81 void dynamic_keymap_get_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
82 uint16_t dynamic_keymap_eeprom_size = DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2;
83 void * source = (void *)(DYNAMIC_KEYMAP_EEPROM_ADDR + offset);
84 uint8_t *target = data;
85 for (uint16_t i = 0; i < size; i++) {
86 if (offset + i < dynamic_keymap_eeprom_size) {
87 *target = eeprom_read_byte(source);
96 void dynamic_keymap_set_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
97 uint16_t dynamic_keymap_eeprom_size = DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2;
98 void * target = (void *)(DYNAMIC_KEYMAP_EEPROM_ADDR + offset);
99 uint8_t *source = data;
100 for (uint16_t i = 0; i < size; i++) {
101 if (offset + i < dynamic_keymap_eeprom_size) {
102 eeprom_update_byte(target, *source);
109 // This overrides the one in quantum/keymap_common.c
110 uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key) {
111 if (layer < DYNAMIC_KEYMAP_LAYER_COUNT && key.row < MATRIX_ROWS && key.col < MATRIX_COLS) {
112 return dynamic_keymap_get_keycode(layer, key.row, key.col);
118 uint8_t dynamic_keymap_macro_get_count(void) { return DYNAMIC_KEYMAP_MACRO_COUNT; }
120 uint16_t dynamic_keymap_macro_get_buffer_size(void) { return DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE; }
122 void dynamic_keymap_macro_get_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
123 void * source = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + offset);
124 uint8_t *target = data;
125 for (uint16_t i = 0; i < size; i++) {
126 if (offset + i < DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE) {
127 *target = eeprom_read_byte(source);
136 void dynamic_keymap_macro_set_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
137 void * target = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + offset);
138 uint8_t *source = data;
139 for (uint16_t i = 0; i < size; i++) {
140 if (offset + i < DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE) {
141 eeprom_update_byte(target, *source);
148 void dynamic_keymap_macro_reset(void) {
149 void *p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR);
150 void *end = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE);
152 eeprom_update_byte(p, 0);
157 void dynamic_keymap_macro_send(uint8_t id) {
158 if (id >= DYNAMIC_KEYMAP_MACRO_COUNT) {
162 // Check the last byte of the buffer.
163 // If it's not zero, then we are in the middle
164 // of buffer writing, possibly an aborted buffer
165 // write. So do nothing.
166 void *p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE - 1);
167 if (eeprom_read_byte(p) != 0) {
171 // Skip N null characters
172 // p will then point to the Nth macro
173 p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR);
174 void *end = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE);
176 // If we are past the end of the buffer, then the buffer
177 // contents are garbage, i.e. there were not DYNAMIC_KEYMAP_MACRO_COUNT
178 // nulls in the buffer.
182 if (eeprom_read_byte(p) == 0) {
188 // Send the macro string one or two chars at a time
189 // by making temporary 1 or 2 char strings
190 char data[3] = {0, 0, 0};
191 // We already checked there was a null at the end of
192 // the buffer, so this cannot go past the end
194 data[0] = eeprom_read_byte(p++);
196 // Stop at the null terminator of this macro string
200 // If the char is magic (tap, down, up),
201 // add the next char (key to use) and send a 2 char string.
202 if (data[0] == SS_TAP_CODE || data[0] == SS_DOWN_CODE || data[0] == SS_UP_CODE) {
203 data[1] = eeprom_read_byte(p++);
212 #endif // DYNAMIC_KEYMAP_ENABLE