Mirror/betaflight
1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-23 16:25:31 +03:00
Code Issues Wiki Activity

Relocate ISR vector table to RAM for F4

Browse source
This commit is contained in:
jflyper 2019-01-13 03:42:07 +09:00
parent 10ae62efed
commit 52625a4d56
4 changed files with 33 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/main/drivers/system_stm32f4xx.c
View file

@ -188,9 +188,12 @@ void systemInit(void)
// cache RCC->CSR value to use it in isMPUSoftReset() and others
cachedRccCsrValue = RCC->CSR;
/* Accounts for OP Bootloader, set the Vector Table base address as specified in .ld file */
extern void *isr_vector_table_base;
// Although VTOR is already loaded with a possible vector table in RAM,
// removing the call to NVIC_SetVectorTable causes USB not to become active,
extern uint8_t isr_vector_table_base;
NVIC_SetVectorTable((uint32_t)&isr_vector_table_base, 0x0);
RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_OTG_FS, DISABLE);
RCC_ClearFlag();