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tmk_keyboard/tmk_core/common/chibios/bootloader.c

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C
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#include "bootloader.h"
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#include "ch.h"
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#include "hal.h"
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#ifdef STM32_BOOTLOADER_ADDRESS
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/* STM32 */
#if defined(STM32F0XX)
/* This code should be checked whether it runs correctly on platforms */
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#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
extern uint32_t __ram0_end__;
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void bootloader_jump(void) {
*((unsigned long *)(SYMVAL(__ram0_end__) - 4)) = 0xDEADBEEF; // set magic flag => reset handler will jump into boot loader
NVIC_SystemReset();
}
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#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 */
void bootloader_jump(void) {
chThdSleepMilliseconds(100);
__BKPT(0);
}
#else /* neither STM32 nor KINETIS */
void bootloader_jump(void) {}
#endif