diff options
Diffstat (limited to 'tmk_core/common/chibios/bootloader.c')
| -rw-r--r-- | tmk_core/common/chibios/bootloader.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c index fc17fca1b..2dd3ade34 100644 --- a/tmk_core/common/chibios/bootloader.c +++ b/tmk_core/common/chibios/bootloader.c @@ -6,32 +6,32 @@ #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__; +#define BOOTLOADER_MAGIC 0xDEADBEEF +#define MAGIC_ADDR (unsigned long*)(SYMVAL(__ram0_end__) - 4) -void bootloader_jump(void) { - *((unsigned long *)(SYMVAL(__ram0_end__) - 4)) = 0xDEADBEEF; // set magic flag => reset handler will jump into boot loader - NVIC_SystemReset(); -} - -#elif defined(STM32F3XX) -/* This code should be checked whether it runs correctly on platforms. - * It was added for clueboard60 BUT HAS NOT BEEN TESTED. - * FIXME - Test this - */ -#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 + *MAGIC_ADDR = BOOTLOADER_MAGIC; // 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) */ +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*)STM32_BOOTLOADER_ADDRESS); + __enable_irq(); + + typedef void (*BootJump_t)(void); + BootJump_t boot_jump = *(BootJump_t*)(STM32_BOOTLOADER_ADDRESS + 4); + boot_jump(); + while(1); + } + } #elif defined(KL2x) || defined(K20x) /* STM32_BOOTLOADER_ADDRESS */ /* Kinetis */ |