mirror of
https://github.com/qmk/qmk_firmware
synced 2024-12-23 08:58:18 +00:00
250 lines
9.5 KiB
C
250 lines
9.5 KiB
C
/* Copyright 2017 Jason Williams (Wilba)
|
|
*
|
|
* 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 "keymap.h" // to get keymaps[][][]
|
|
#include "eeprom.h"
|
|
#include "progmem.h" // to read default from flash
|
|
#include "quantum.h" // for send_string()
|
|
#include "dynamic_keymap.h"
|
|
#include "via.h" // for default VIA_EEPROM_ADDR_END
|
|
|
|
#ifndef DYNAMIC_KEYMAP_LAYER_COUNT
|
|
# define DYNAMIC_KEYMAP_LAYER_COUNT 4
|
|
#endif
|
|
|
|
#ifndef DYNAMIC_KEYMAP_MACRO_COUNT
|
|
# define DYNAMIC_KEYMAP_MACRO_COUNT 16
|
|
#endif
|
|
|
|
// This is the default EEPROM max address to use for dynamic keymaps.
|
|
// The default is the ATmega32u4 EEPROM max address.
|
|
// Explicitly override it if the keyboard uses a microcontroller with
|
|
// more EEPROM *and* it makes sense to increase it.
|
|
#ifndef DYNAMIC_KEYMAP_EEPROM_MAX_ADDR
|
|
# if defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__)
|
|
# define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 2047
|
|
# elif defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__)
|
|
# define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 4095
|
|
# elif defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega16U4__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATtiny85__)
|
|
# define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 511
|
|
# else
|
|
# define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 1023
|
|
# endif
|
|
#endif
|
|
|
|
// Due to usage of uint16_t check for max 65535
|
|
#if DYNAMIC_KEYMAP_EEPROM_MAX_ADDR > 65535
|
|
# error DYNAMIC_KEYMAP_EEPROM_MAX_ADDR must be less than 65536
|
|
#endif
|
|
|
|
// If DYNAMIC_KEYMAP_EEPROM_ADDR not explicitly defined in config.h,
|
|
// default it start after VIA_EEPROM_CUSTOM_ADDR+VIA_EEPROM_CUSTOM_SIZE
|
|
#ifndef DYNAMIC_KEYMAP_EEPROM_ADDR
|
|
# ifdef VIA_EEPROM_CUSTOM_CONFIG_ADDR
|
|
# define DYNAMIC_KEYMAP_EEPROM_ADDR (VIA_EEPROM_CUSTOM_CONFIG_ADDR + VIA_EEPROM_CUSTOM_CONFIG_SIZE)
|
|
# else
|
|
# error DYNAMIC_KEYMAP_EEPROM_ADDR not defined
|
|
# endif
|
|
#endif
|
|
|
|
// Dynamic macro starts after dynamic keymaps
|
|
#ifndef DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR
|
|
# define DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR (DYNAMIC_KEYMAP_EEPROM_ADDR + (DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2))
|
|
#endif
|
|
|
|
// Sanity check that dynamic keymaps fit in available EEPROM
|
|
// If there's not 100 bytes available for macros, then something is wrong.
|
|
// The keyboard should override DYNAMIC_KEYMAP_LAYER_COUNT to reduce it,
|
|
// or DYNAMIC_KEYMAP_EEPROM_MAX_ADDR to increase it, *only if* the microcontroller has
|
|
// more than the default.
|
|
#if DYNAMIC_KEYMAP_EEPROM_MAX_ADDR - DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR < 100
|
|
# error Dynamic keymaps are configured to use more EEPROM than is available.
|
|
#endif
|
|
|
|
// Dynamic macros are stored after the keymaps and use what is available
|
|
// up to and including DYNAMIC_KEYMAP_EEPROM_MAX_ADDR.
|
|
#ifndef DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE
|
|
# define DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE (DYNAMIC_KEYMAP_EEPROM_MAX_ADDR - DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + 1)
|
|
#endif
|
|
|
|
uint8_t dynamic_keymap_get_layer_count(void) { return DYNAMIC_KEYMAP_LAYER_COUNT; }
|
|
|
|
void *dynamic_keymap_key_to_eeprom_address(uint8_t layer, uint8_t row, uint8_t column) {
|
|
// TODO: optimize this with some left shifts
|
|
return ((void *)DYNAMIC_KEYMAP_EEPROM_ADDR) + (layer * MATRIX_ROWS * MATRIX_COLS * 2) + (row * MATRIX_COLS * 2) + (column * 2);
|
|
}
|
|
|
|
uint16_t dynamic_keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t column) {
|
|
void *address = dynamic_keymap_key_to_eeprom_address(layer, row, column);
|
|
// Big endian, so we can read/write EEPROM directly from host if we want
|
|
uint16_t keycode = eeprom_read_byte(address) << 8;
|
|
keycode |= eeprom_read_byte(address + 1);
|
|
return keycode;
|
|
}
|
|
|
|
void dynamic_keymap_set_keycode(uint8_t layer, uint8_t row, uint8_t column, uint16_t keycode) {
|
|
void *address = dynamic_keymap_key_to_eeprom_address(layer, row, column);
|
|
// Big endian, so we can read/write EEPROM directly from host if we want
|
|
eeprom_update_byte(address, (uint8_t)(keycode >> 8));
|
|
eeprom_update_byte(address + 1, (uint8_t)(keycode & 0xFF));
|
|
}
|
|
|
|
void dynamic_keymap_reset(void) {
|
|
// Reset the keymaps in EEPROM to what is in flash.
|
|
// All keyboards using dynamic keymaps should define a layout
|
|
// for the same number of layers as DYNAMIC_KEYMAP_LAYER_COUNT.
|
|
for (int layer = 0; layer < DYNAMIC_KEYMAP_LAYER_COUNT; layer++) {
|
|
for (int row = 0; row < MATRIX_ROWS; row++) {
|
|
for (int column = 0; column < MATRIX_COLS; column++) {
|
|
dynamic_keymap_set_keycode(layer, row, column, pgm_read_word(&keymaps[layer][row][column]));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void dynamic_keymap_get_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
|
|
uint16_t dynamic_keymap_eeprom_size = DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2;
|
|
void * source = (void *)(DYNAMIC_KEYMAP_EEPROM_ADDR + offset);
|
|
uint8_t *target = data;
|
|
for (uint16_t i = 0; i < size; i++) {
|
|
if (offset + i < dynamic_keymap_eeprom_size) {
|
|
*target = eeprom_read_byte(source);
|
|
} else {
|
|
*target = 0x00;
|
|
}
|
|
source++;
|
|
target++;
|
|
}
|
|
}
|
|
|
|
void dynamic_keymap_set_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
|
|
uint16_t dynamic_keymap_eeprom_size = DYNAMIC_KEYMAP_LAYER_COUNT * MATRIX_ROWS * MATRIX_COLS * 2;
|
|
void * target = (void *)(DYNAMIC_KEYMAP_EEPROM_ADDR + offset);
|
|
uint8_t *source = data;
|
|
for (uint16_t i = 0; i < size; i++) {
|
|
if (offset + i < dynamic_keymap_eeprom_size) {
|
|
eeprom_update_byte(target, *source);
|
|
}
|
|
source++;
|
|
target++;
|
|
}
|
|
}
|
|
|
|
// This overrides the one in quantum/keymap_common.c
|
|
uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key) {
|
|
if (layer < DYNAMIC_KEYMAP_LAYER_COUNT && key.row < MATRIX_ROWS && key.col < MATRIX_COLS) {
|
|
return dynamic_keymap_get_keycode(layer, key.row, key.col);
|
|
} else {
|
|
return KC_NO;
|
|
}
|
|
}
|
|
|
|
uint8_t dynamic_keymap_macro_get_count(void) { return DYNAMIC_KEYMAP_MACRO_COUNT; }
|
|
|
|
uint16_t dynamic_keymap_macro_get_buffer_size(void) { return DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE; }
|
|
|
|
void dynamic_keymap_macro_get_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
|
|
void * source = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + offset);
|
|
uint8_t *target = data;
|
|
for (uint16_t i = 0; i < size; i++) {
|
|
if (offset + i < DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE) {
|
|
*target = eeprom_read_byte(source);
|
|
} else {
|
|
*target = 0x00;
|
|
}
|
|
source++;
|
|
target++;
|
|
}
|
|
}
|
|
|
|
void dynamic_keymap_macro_set_buffer(uint16_t offset, uint16_t size, uint8_t *data) {
|
|
void * target = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + offset);
|
|
uint8_t *source = data;
|
|
for (uint16_t i = 0; i < size; i++) {
|
|
if (offset + i < DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE) {
|
|
eeprom_update_byte(target, *source);
|
|
}
|
|
source++;
|
|
target++;
|
|
}
|
|
}
|
|
|
|
void dynamic_keymap_macro_reset(void) {
|
|
void *p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR);
|
|
void *end = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE);
|
|
while (p != end) {
|
|
eeprom_update_byte(p, 0);
|
|
++p;
|
|
}
|
|
}
|
|
|
|
void dynamic_keymap_macro_send(uint8_t id) {
|
|
if (id >= DYNAMIC_KEYMAP_MACRO_COUNT) {
|
|
return;
|
|
}
|
|
|
|
// Check the last byte of the buffer.
|
|
// If it's not zero, then we are in the middle
|
|
// of buffer writing, possibly an aborted buffer
|
|
// write. So do nothing.
|
|
void *p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE - 1);
|
|
if (eeprom_read_byte(p) != 0) {
|
|
return;
|
|
}
|
|
|
|
// Skip N null characters
|
|
// p will then point to the Nth macro
|
|
p = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR);
|
|
void *end = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE);
|
|
while (id > 0) {
|
|
// If we are past the end of the buffer, then the buffer
|
|
// contents are garbage, i.e. there were not DYNAMIC_KEYMAP_MACRO_COUNT
|
|
// nulls in the buffer.
|
|
if (p == end) {
|
|
return;
|
|
}
|
|
if (eeprom_read_byte(p) == 0) {
|
|
--id;
|
|
}
|
|
++p;
|
|
}
|
|
|
|
// Send the macro string one or three chars at a time
|
|
// by making temporary 1 or 3 char strings
|
|
char data[4] = {0, 0, 0, 0};
|
|
// We already checked there was a null at the end of
|
|
// the buffer, so this cannot go past the end
|
|
while (1) {
|
|
data[0] = eeprom_read_byte(p++);
|
|
data[1] = 0;
|
|
// Stop at the null terminator of this macro string
|
|
if (data[0] == 0) {
|
|
break;
|
|
}
|
|
// If the char is magic (tap, down, up),
|
|
// add the next char (key to use) and send a 3 char string.
|
|
if (data[0] == SS_TAP_CODE || data[0] == SS_DOWN_CODE || data[0] == SS_UP_CODE) {
|
|
data[1] = data[0];
|
|
data[0] = SS_QMK_PREFIX;
|
|
data[2] = eeprom_read_byte(p++);
|
|
if (data[2] == 0) {
|
|
break;
|
|
}
|
|
}
|
|
send_string(data);
|
|
}
|
|
}
|