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Update wb32-dfu (#16438)

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Joy Lee 2022-04-19 19:21:12 +08:00 • committed by GitHub
parent b88d04eb62
commit 25f849b397
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3 changed files with 53 additions and 1 deletions
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49
platforms/chibios/bootloaders/wb32_dfu.c Normal file
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/* 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 "bootloader.h"
#include <ch.h>
#include <hal.h>
#include "wait.h"
extern uint32_t __ram0_end__;
/* This code should be checked whether it runs correctly on platforms */
# define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
# define BOOTLOADER_MAGIC 0xDEADBEEF
# define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4)
__attribute__((weak)) void bootloader_jump(void) {
*MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader
NVIC_SystemReset();
}
void enter_bootloader_mode_if_requested(void) {
unsigned long *check = MAGIC_ADDR;
if (*check == BOOTLOADER_MAGIC) {
*check = 0;
__set_CONTROL(0);
__set_MSP(*(__IO uint32_t *)WB32_BOOTLOADER_ADDRESS);
__enable_irq();
typedef void (*BootJump_t)(void);
BootJump_t boot_jump = *(BootJump_t *)(WB32_BOOTLOADER_ADDRESS + 4);
boot_jump();
while (1)
;
}
}