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Diffstat (limited to 'quantum/bootmagic/bootmagic.c')
| -rw-r--r-- | quantum/bootmagic/bootmagic.c | 69 | 
1 files changed, 69 insertions, 0 deletions
| diff --git a/quantum/bootmagic/bootmagic.c b/quantum/bootmagic/bootmagic.c new file mode 100644 index 0000000000..efce6bfd12 --- /dev/null +++ b/quantum/bootmagic/bootmagic.c @@ -0,0 +1,69 @@ +/* Copyright 2021 QMK + * + * 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 3 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 "bootmagic.h" +#include "matrix.h" +#include "keyboard.h" +#include "wait.h" +#include "eeconfig.h" +#include "bootloader.h" + +/** \brief Reset eeprom + * + * ...just incase someone wants to only change the eeprom behaviour + */ +__attribute__((weak)) void bootmagic_lite_reset_eeprom(void) { +    eeconfig_disable(); +} + +/** \brief The lite version of TMK's bootmagic based on Wilba. + * + *  100% less potential for accidentally making the keyboard do stupid things. + */ +__attribute__((weak)) void bootmagic_lite(void) { +    // We need multiple scans because debouncing can't be turned off. +    matrix_scan(); +#if defined(DEBOUNCE) && DEBOUNCE > 0 +    wait_ms(DEBOUNCE * 2); +#else +    wait_ms(30); +#endif +    matrix_scan(); + +    // If the configured key (commonly Esc) is held down on power up, +    // reset the EEPROM valid state and jump to bootloader. +    // This isn't very generalized, but we need something that doesn't +    // rely on user's keymaps in firmware or EEPROM. +    uint8_t row = BOOTMAGIC_LITE_ROW; +    uint8_t col = BOOTMAGIC_LITE_COLUMN; + +#if defined(SPLIT_KEYBOARD) && defined(BOOTMAGIC_LITE_ROW_RIGHT) && defined(BOOTMAGIC_LITE_COLUMN_RIGHT) +    if (!is_keyboard_left()) { +        row = BOOTMAGIC_LITE_ROW_RIGHT; +        col = BOOTMAGIC_LITE_COLUMN_RIGHT; +    } +#endif + +    if (matrix_get_row(row) & (1 << col)) { +        bootmagic_lite_reset_eeprom(); + +        // Jump to bootloader. +        bootloader_jump(); +    } +} + +void bootmagic(void) { +    bootmagic_lite(); +} | 
