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Diffstat (limited to 'tmk_core/common/chibios/bootloader.c')
-rw-r--r--tmk_core/common/chibios/bootloader.c63
1 files changed, 31 insertions, 32 deletions
diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c
index f9895237b9..4cf5dae7e6 100644
--- a/tmk_core/common/chibios/bootloader.c
+++ b/tmk_core/common/chibios/bootloader.c
@@ -7,63 +7,62 @@
/* STM32 */
/* This code should be checked whether it runs correctly on platforms */
-#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
+# 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)
-
+# define BOOTLOADER_MAGIC 0xDEADBEEF
+# define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4)
/** \brief Jump to the bootloader
*
* FIXME: needs doc
*/
void bootloader_jump(void) {
- *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader
- NVIC_SystemReset();
+ *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader
+ NVIC_SystemReset();
}
/** \brief Enter bootloader mode if requested
*
* FIXME: needs doc
*/
-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();
+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);
- }
- }
+ 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 */
-#if defined(KIIBOHD_BOOTLOADER)
+# if defined(KIIBOHD_BOOTLOADER)
/* Kiibohd Bootloader (MCHCK and Infinity KB) */
-#define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000
+# define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000
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 = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk;
+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 = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk;
}
-#else /* defined(KIIBOHD_BOOTLOADER) */
+# else /* defined(KIIBOHD_BOOTLOADER) */
/* Default for Kinetis - expecting an ARM Teensy */
-#include "wait.h"
+# include "wait.h"
void bootloader_jump(void) {
- wait_ms(100);
- __BKPT(0);
+ wait_ms(100);
+ __BKPT(0);
}
-#endif /* defined(KIIBOHD_BOOTLOADER) */
+# endif /* defined(KIIBOHD_BOOTLOADER) */
#else /* neither STM32 nor KINETIS */
-__attribute__((weak))
-void bootloader_jump(void) {}
+__attribute__((weak)) void bootloader_jump(void) {}
#endif