47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
#include "bootloader.h"
|
|
|
|
#include "ch.h"
|
|
#include "hal.h"
|
|
|
|
#ifdef STM32_BOOTLOADER_ADDRESS
|
|
/* STM32 */
|
|
|
|
#if defined(STM32F0XX)
|
|
/* This code should be checked whether it runs correctly on platforms */
|
|
#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
|
|
extern uint32_t __ram0_end__;
|
|
|
|
void bootloader_jump(void) {
|
|
*((unsigned long *)(SYMVAL(__ram0_end__) - 4)) = 0xDEADBEEF; // set magic flag => reset handler will jump into boot loader
|
|
NVIC_SystemReset();
|
|
}
|
|
|
|
#else /* defined(STM32F0XX) */
|
|
#error Check that the bootloader code works on your platform and add it to bootloader.c!
|
|
#endif /* defined(STM32F0XX) */
|
|
|
|
#elif defined(KL2x) || defined(K20x) /* STM32_BOOTLOADER_ADDRESS */
|
|
/* Kinetis */
|
|
|
|
#if defined(KIIBOHD_BOOTLOADER)
|
|
/* Kiibohd Bootloader (MCHCK and Infinity KB) */
|
|
#define SCB_AIRCR (*(volatile uint32_t *)0xE000ED0C) // Application Interrupt and Reset Control
|
|
#define VBAT (*(volatile uint8_t *)0x4003E000) // VBAT register file (32 bytes)
|
|
const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff";
|
|
void bootloader_jump(void) {
|
|
__builtin_memcpy((void *)&VBAT, (const void *)sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic));
|
|
// request reset
|
|
SCB_AIRCR = 0x05FA0004;
|
|
}
|
|
|
|
#else /* defined(KIIBOHD_BOOTLOADER) */
|
|
/* Default for Kinetis - expecting an ARM Teensy */
|
|
void bootloader_jump(void) {
|
|
chThdSleepMilliseconds(100);
|
|
__BKPT(0);
|
|
}
|
|
#endif /* defined(KIIBOHD_BOOTLOADER) */
|
|
|
|
#else /* neither STM32 nor KINETIS */
|
|
void bootloader_jump(void) {}
|
|
#endif |