From 6bc870d899c474bce82457699ec4b753d1538123 Mon Sep 17 00:00:00 2001 From: Ryan Date: Mon, 27 Dec 2021 21:10:07 +1100 Subject: Refactor `bootloader_jump()` implementations (#15450) * Refactor `bootloader_jump()` implementations * Fix tests? * Rename `atmel-samba` to `md-boot` --- platforms/avr/bootloaders/bootloadhid.c | 34 +++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 platforms/avr/bootloaders/bootloadhid.c (limited to 'platforms/avr/bootloaders/bootloadhid.c') diff --git a/platforms/avr/bootloaders/bootloadhid.c b/platforms/avr/bootloaders/bootloadhid.c new file mode 100644 index 0000000000..8d18114613 --- /dev/null +++ b/platforms/avr/bootloaders/bootloadhid.c @@ -0,0 +1,34 @@ +/* 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 . + */ + +#include "bootloader.h" + +#include +#include + +__attribute__((weak)) +void bootloader_jump(void) { + // force bootloadHID to stay in bootloader mode, so that it waits + // for a new firmware to be flashed + // NOTE: this byte is part of QMK's "magic number" - changing it causes the EEPROM to be re-initialized + // thus every time the device is flashed the EEPROM will be wiped + eeprom_write_byte((uint8_t *)1, 0x00); + + // watchdog reset + wdt_enable(WDTO_250MS); + for (;;) + ; +} -- cgit v1.2.3