321 lines
12 KiB
C
321 lines
12 KiB
C
/* Copyright 2017 Jason Williams (Wilba)
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*
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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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*
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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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*
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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 "keymap.h" // to get keymaps[][][]
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#include "eeprom.h"
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#include "progmem.h" // to read default from flash
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#include "quantum.h" // for send_string()
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#include "dynamic_keymap.h"
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#ifdef VIA_ENABLE
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# include "via.h" // for VIA_EEPROM_CONFIG_END
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# define DYNAMIC_KEYMAP_EEPROM_START (VIA_EEPROM_CONFIG_END)
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#else
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# ifndef DYNAMIC_KEYMAP_EEPROM_START
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# define DYNAMIC_KEYMAP_EEPROM_START (EECONFIG_SIZE)
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# endif
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#endif
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#ifdef ENCODER_ENABLE
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# include "encoder.h"
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#else
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# define NUM_ENCODERS 0
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#endif
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#ifndef DYNAMIC_KEYMAP_LAYER_COUNT
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# define DYNAMIC_KEYMAP_LAYER_COUNT 4
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#endif
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#ifndef DYNAMIC_KEYMAP_MACRO_COUNT
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# define DYNAMIC_KEYMAP_MACRO_COUNT 16
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#endif
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#ifndef TOTAL_EEPROM_BYTE_COUNT
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# error Unknown total EEPROM size. Cannot derive maximum for dynamic keymaps.
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#endif
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#ifndef DYNAMIC_KEYMAP_EEPROM_MAX_ADDR
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# define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR (TOTAL_EEPROM_BYTE_COUNT - 1)
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#endif
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#if DYNAMIC_KEYMAP_EEPROM_MAX_ADDR > (TOTAL_EEPROM_BYTE_COUNT - 1)
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# pragma message STR(DYNAMIC_KEYMAP_EEPROM_MAX_ADDR) " > " STR((TOTAL_EEPROM_BYTE_COUNT - 1))
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# error DYNAMIC_KEYMAP_EEPROM_MAX_ADDR is configured to use more space than what is available for the selected EEPROM driver
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#endif
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// Due to usage of uint16_t check for max 65535
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#if DYNAMIC_KEYMAP_EEPROM_MAX_ADDR > 65535
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# pragma message STR(DYNAMIC_KEYMAP_EEPROM_MAX_ADDR) " > 65535"
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# error DYNAMIC_KEYMAP_EEPROM_MAX_ADDR must be less than 65536
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#endif
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// If DYNAMIC_KEYMAP_EEPROM_ADDR not explicitly defined in config.h,
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#ifndef DYNAMIC_KEYMAP_EEPROM_ADDR
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# define DYNAMIC_KEYMAP_EEPROM_ADDR DYNAMIC_KEYMAP_EEPROM_START
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#endif
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// Dynamic encoders starts after dynamic keymaps
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#ifndef DYNAMIC_KEYMAP_ENCODER_EEPROM_ADDR
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# define DYNAMIC_KEYMAP_ENCODER_EEPROM_ADDR (DYNAMIC_KEYMAP_EEPROM_ADDR + (DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2))
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#endif
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// Dynamic macro starts after dynamic encoders, but only when using ENCODER_MAP
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#ifdef ENCODER_MAP_ENABLE
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# ifndef DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR
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# define DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR (DYNAMIC_KEYMAP_ENCODER_EEPROM_ADDR + (DYNAMIC_KEYMAP_LAYER_COUNT * NUM_ENCODERS * 2 * 2))
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# endif // DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR
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#else // ENCODER_MAP_ENABLE
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# ifndef DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR
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# define DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR (DYNAMIC_KEYMAP_ENCODER_EEPROM_ADDR)
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# endif // DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR
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#endif // ENCODER_MAP_ENABLE
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// Sanity check that dynamic keymaps fit in available EEPROM
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// If there's not 100 bytes available for macros, then something is wrong.
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// The keyboard should override DYNAMIC_KEYMAP_LAYER_COUNT to reduce it,
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// or DYNAMIC_KEYMAP_EEPROM_MAX_ADDR to increase it, *only if* the microcontroller has
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// more than the default.
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_Static_assert((DYNAMIC_KEYMAP_EEPROM_MAX_ADDR) - (DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR) >= 100, "Dynamic keymaps are configured to use more EEPROM than is available.");
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// Dynamic macros are stored after the keymaps and use what is available
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// up to and including DYNAMIC_KEYMAP_EEPROM_MAX_ADDR.
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#ifndef DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE
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# define DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE (DYNAMIC_KEYMAP_EEPROM_MAX_ADDR - DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + 1)
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#endif
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#ifndef DYNAMIC_KEYMAP_MACRO_DELAY
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# define DYNAMIC_KEYMAP_MACRO_DELAY TAP_CODE_DELAY
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#endif
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uint8_t dynamic_keymap_get_layer_count(void) {
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return DYNAMIC_KEYMAP_LAYER_COUNT;
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}
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void *dynamic_keymap_key_to_eeprom_address(uint8_t layer, uint8_t row, uint8_t column) {
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// TODO: optimize this with some left shifts
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return ((void *)DYNAMIC_KEYMAP_EEPROM_ADDR) + (layer * MATRIX_ROWS * MATRIX_COLS * 2) + (row * MATRIX_COLS * 2) + (column * 2);
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}
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uint16_t dynamic_keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t column) {
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if (layer >= DYNAMIC_KEYMAP_LAYER_COUNT || row >= MATRIX_ROWS || column >= MATRIX_COLS) return KC_NO;
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void *address = dynamic_keymap_key_to_eeprom_address(layer, row, column);
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// Big endian, so we can read/write EEPROM directly from host if we want
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uint16_t keycode = eeprom_read_byte(address) << 8;
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keycode |= eeprom_read_byte(address + 1);
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return keycode;
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}
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void dynamic_keymap_set_keycode(uint8_t layer, uint8_t row, uint8_t column, uint16_t keycode) {
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if (layer >= DYNAMIC_KEYMAP_LAYER_COUNT || row >= MATRIX_ROWS || column >= MATRIX_COLS) return;
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void *address = dynamic_keymap_key_to_eeprom_address(layer, row, column);
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// Big endian, so we can read/write EEPROM directly from host if we want
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eeprom_update_byte(address, (uint8_t)(keycode >> 8));
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eeprom_update_byte(address + 1, (uint8_t)(keycode & 0xFF));
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}
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#ifdef ENCODER_MAP_ENABLE
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void *dynamic_keymap_encoder_to_eeprom_address(uint8_t layer, uint8_t encoder_id) {
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return ((void *)DYNAMIC_KEYMAP_ENCODER_EEPROM_ADDR) + (layer * NUM_ENCODERS * 2 * 2) + (encoder_id * 2 * 2);
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}
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uint16_t dynamic_keymap_get_encoder(uint8_t layer, uint8_t encoder_id, bool clockwise) {
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if (layer >= DYNAMIC_KEYMAP_LAYER_COUNT || encoder_id >= NUM_ENCODERS) return KC_NO;
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void *address = dynamic_keymap_encoder_to_eeprom_address(layer, encoder_id);
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// Big endian, so we can read/write EEPROM directly from host if we want
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uint16_t keycode = ((uint16_t)eeprom_read_byte(address + (clockwise ? 0 : 2))) << 8;
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keycode |= eeprom_read_byte(address + (clockwise ? 0 : 2) + 1);
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return keycode;
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}
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void dynamic_keymap_set_encoder(uint8_t layer, uint8_t encoder_id, bool clockwise, uint16_t keycode) {
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if (layer >= DYNAMIC_KEYMAP_LAYER_COUNT || encoder_id >= NUM_ENCODERS) return;
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void *address = dynamic_keymap_encoder_to_eeprom_address(layer, encoder_id);
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// Big endian, so we can read/write EEPROM directly from host if we want
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eeprom_update_byte(address + (clockwise ? 0 : 2), (uint8_t)(keycode >> 8));
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eeprom_update_byte(address + (clockwise ? 0 : 2) + 1, (uint8_t)(keycode & 0xFF));
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}
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#endif // ENCODER_MAP_ENABLE
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void dynamic_keymap_reset(void) {
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// Reset the keymaps in EEPROM to what is in flash.
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for (int layer = 0; layer < DYNAMIC_KEYMAP_LAYER_COUNT; layer++) {
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for (int row = 0; row < MATRIX_ROWS; row++) {
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for (int column = 0; column < MATRIX_COLS; column++) {
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if (layer < keymap_layer_count()) {
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dynamic_keymap_set_keycode(layer, row, column, keycode_at_keymap_location_raw(layer, row, column));
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} else {
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dynamic_keymap_set_keycode(layer, row, column, KC_TRANSPARENT);
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}
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}
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}
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#ifdef ENCODER_MAP_ENABLE
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for (int encoder = 0; encoder < NUM_ENCODERS; encoder++) {
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if (layer < encodermap_layer_count()) {
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dynamic_keymap_set_encoder(layer, encoder, true, keycode_at_encodermap_location_raw(layer, encoder, true));
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dynamic_keymap_set_encoder(layer, encoder, false, keycode_at_encodermap_location_raw(layer, encoder, false));
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} else {
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dynamic_keymap_set_encoder(layer, encoder, true, KC_TRANSPARENT);
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dynamic_keymap_set_encoder(layer, encoder, false, KC_TRANSPARENT);
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}
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}
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#endif // ENCODER_MAP_ENABLE
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}
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}
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void dynamic_keymap_get_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
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uint16_t dynamic_keymap_eeprom_size = DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2;
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void * source = (void *)(DYNAMIC_KEYMAP_EEPROM_ADDR + offset);
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uint8_t *target = data;
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for (uint16_t i = 0; i < size; i++) {
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if (offset + i < dynamic_keymap_eeprom_size) {
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*target = eeprom_read_byte(source);
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} else {
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*target = 0x00;
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}
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source++;
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target++;
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}
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}
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void dynamic_keymap_set_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
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uint16_t dynamic_keymap_eeprom_size = DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2;
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void * target = (void *)(DYNAMIC_KEYMAP_EEPROM_ADDR + offset);
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uint8_t *source = data;
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for (uint16_t i = 0; i < size; i++) {
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if (offset + i < dynamic_keymap_eeprom_size) {
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eeprom_update_byte(target, *source);
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}
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source++;
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target++;
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}
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}
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uint16_t keycode_at_keymap_location(uint8_t layer_num, uint8_t row, uint8_t column) {
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if (layer_num < DYNAMIC_KEYMAP_LAYER_COUNT && row < MATRIX_ROWS && column < MATRIX_COLS) {
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return dynamic_keymap_get_keycode(layer_num, row, column);
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}
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return KC_NO;
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}
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#ifdef ENCODER_MAP_ENABLE
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uint16_t keycode_at_encodermap_location(uint8_t layer_num, uint8_t encoder_idx, bool clockwise) {
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if (layer_num < DYNAMIC_KEYMAP_LAYER_COUNT && encoder_idx < NUM_ENCODERS) {
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return dynamic_keymap_get_encoder(layer_num, encoder_idx, clockwise);
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}
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return KC_NO;
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}
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#endif // ENCODER_MAP_ENABLE
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uint8_t dynamic_keymap_macro_get_count(void) {
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return DYNAMIC_KEYMAP_MACRO_COUNT;
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}
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uint16_t dynamic_keymap_macro_get_buffer_size(void) {
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return DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE;
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}
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void dynamic_keymap_macro_get_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
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void * source = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + offset);
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uint8_t *target = data;
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for (uint16_t i = 0; i < size; i++) {
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if (offset + i < DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE) {
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*target = eeprom_read_byte(source);
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} else {
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*target = 0x00;
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}
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source++;
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target++;
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}
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}
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void dynamic_keymap_macro_set_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
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void * target = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + offset);
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uint8_t *source = data;
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for (uint16_t i = 0; i < size; i++) {
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if (offset + i < DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE) {
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eeprom_update_byte(target, *source);
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}
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source++;
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target++;
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}
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}
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void dynamic_keymap_macro_reset(void) {
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void *p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR);
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void *end = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE);
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while (p != end) {
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eeprom_update_byte(p, 0);
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++p;
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}
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}
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void dynamic_keymap_macro_send(uint8_t id) {
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if (id >= DYNAMIC_KEYMAP_MACRO_COUNT) {
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return;
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}
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// Check the last byte of the buffer.
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// If it's not zero, then we are in the middle
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// of buffer writing, possibly an aborted buffer
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// write. So do nothing.
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void *p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE - 1);
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if (eeprom_read_byte(p) != 0) {
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return;
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}
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// Skip N null characters
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// p will then point to the Nth macro
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p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR);
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void *end = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE);
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while (id > 0) {
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// If we are past the end of the buffer, then the buffer
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// contents are garbage, i.e. there were not DYNAMIC_KEYMAP_MACRO_COUNT
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// nulls in the buffer.
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if (p == end) {
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return;
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}
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if (eeprom_read_byte(p) == 0) {
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--id;
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}
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++p;
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}
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// Send the macro string one or three chars at a time
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// by making temporary 1 or 3 char strings
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char data[4] = {0, 0, 0, 0};
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// We already checked there was a null at the end of
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// the buffer, so this cannot go past the end
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while (1) {
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data[0] = eeprom_read_byte(p++);
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data[1] = 0;
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// Stop at the null terminator of this macro string
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if (data[0] == 0) {
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break;
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}
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// If the char is magic (tap, down, up),
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// add the next char (key to use) and send a 3 char string.
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if (data[0] == SS_TAP_CODE || data[0] == SS_DOWN_CODE || data[0] == SS_UP_CODE) {
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data[1] = data[0];
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data[0] = SS_QMK_PREFIX;
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data[2] = eeprom_read_byte(p++);
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if (data[2] == 0) {
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break;
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}
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}
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send_string_with_delay(data, DYNAMIC_KEYMAP_MACRO_DELAY);
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}
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}
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