~ruther/qmk_firmware

ref: 2d1aed78a67b3d2b002cc739ef087963b05b76b8 qmk_firmware/platforms/chibios/bootloaders/uf2boot.c -rw-r--r-- 490 bytes
2d1aed78 — Ryan Update GPIO macro usages in core (#23093) 1 year, 2 months ago
                                                                                
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// Copyright 2023 QMK
// SPDX-License-Identifier: GPL-2.0-or-later

#include "bootloader.h"

// From mmoskal/uf2-stm32f103's backup.c
#define MAGIC_BOOT 0x544F4F42UL

// defined by linker script
extern uint32_t _board_magic_reg[];
#define MAGIC_REG _board_magic_reg[0]

void bootloader_jump(void) {
    MAGIC_REG = MAGIC_BOOT;
    NVIC_SystemReset();
}

void mcu_reset(void) {
    NVIC_SystemReset();
}

/* not needed, no two-stage reset */
void enter_bootloader_mode_if_requested(void) {}
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