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Code Issues Releases Activity

bugfix on revo proto. STM32F4 A revision has a hardware bug and cannot do flash prefetching properly

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This commit is contained in:
Corvus Corax 2013-05-10 19:53:51 +02:00
parent 7c9d2ce9a5
commit b76df471ee
1 changed files with 1 additions and 1 deletions
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flight/pios/stm32f4xx/libraries/CMSIS2/Device/ST/STM32F4xx/Source/revoproto/system_stm32f4xx.c
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@ -393,7 +393,7 @@ static void SetSysClock(void)
} }
/* Configure Flash prefetch, Instruction cache, Data cache and wait state */ /* Configure Flash prefetch, Instruction cache, Data cache and wait state */
FLASH->ACR = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN |FLASH_ACR_DCEN |FLASH_ACR_LATENCY_5WS; FLASH->ACR = FLASH_ACR_ICEN |FLASH_ACR_DCEN |FLASH_ACR_LATENCY_5WS;
/* Select the main PLL as system clock source */ /* Select the main PLL as system clock source */
RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW)); RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));