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56 lines
1.9 KiB
56 lines
1.9 KiB
// Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "drashna.h"
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#include "bootmagic_lite.h"
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void bootmagic_lite(void) {
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bool perform_reset = false;
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// We need multiple scans because debouncing can't be turned off.
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matrix_scan();
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#if defined(DEBOUNCE) && DEBOUNCE > 0
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wait_ms(DEBOUNCE * 2);
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#else
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wait_ms(30);
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#endif
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matrix_scan();
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// If the configured key (commonly Esc) is held down on power up,
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// reset the EEPROM valid state and jump to bootloader.
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// This isn't very generalized, but we need something that doesn't
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// rely on user's keymaps in firmware or EEPROM.
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uint8_t row = BOOTMAGIC_LITE_ROW, col = BOOTMAGIC_LITE_COLUMN;
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#if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN)
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uint8_t row_e = BOOTMAGIC_LITE_EEPROM_ROW, col_e = BOOTMAGIC_LITE_EEPROM_COLUMN;
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#endif
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#if defined(SPLIT_KEYBOARD) && defined(BOOTMAGIC_LITE_ROW_RIGHT) && defined(BOOTMAGIC_LITE_COLUMN_RIGHT)
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if (!is_keyboard_left()) {
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row = BOOTMAGIC_LITE_ROW_RIGHT;
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col = BOOTMAGIC_LITE_COLUMN_RIGHT;
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# if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN) && defined(BOOTMAGIC_LITE_EEPROM_ROW_RIGHT) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN_RIGHT)
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row_e = BOOTMAGIC_LITE_EEPROM_ROW_RIGHT;
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col_e = BOOTMAGIC_LITE_EEPROM_COLUMN_RIGHT;
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# endif
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}
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#endif
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#if defined(BOOTMAGIC_LITE_EEPROM_ROW) && defined(BOOTMAGIC_LITE_EEPROM_COLUMN)
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if (matrix_get_row(row_e) & (1 << col_e)) {
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eeconfig_disable();
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perform_reset = true;
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}
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#endif
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if (matrix_get_row(row) & (1 << col)) {
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perform_reset = true;
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}
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#if defined(STM32F411xE) && !defined(CONVERTER_ENABLED)
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if (!readPin(A0)) {
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perform_reset = true;
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}
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#endif
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if (perform_reset) {
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bootloader_jump();
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}
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}
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