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Reduce ADC noise #3652

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Reduce ADC noise #3652

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4a9e943
Reduce ADC noise
zyren Jun 3, 2023
2b9d0be
chore: disable prefetch, for testing purposes only
pfeerick Jul 8, 2024
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2 changes: 1 addition & 1 deletion radio/src/targets/common/arm/stm32/f2/system_stm32f2xx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -299,7 +299,7 @@ static void SetSysClock(void)
}

/* Configure Flash prefetch, Instruction cache, Data cache and wait state */
FLASH->ACR = FLASH_ACR_PRFTEN |FLASH_ACR_ICEN |FLASH_ACR_DCEN |FLASH_ACR_LATENCY_3WS;
FLASH->ACR = FLASH_ACR_ICEN |FLASH_ACR_DCEN |FLASH_ACR_LATENCY_3WS;

/* Select the main PLL as system clock source */
RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));
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2 changes: 1 addition & 1 deletion radio/src/targets/common/arm/stm32/f4/system_stm32f4xx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -427,7 +427,7 @@ static void SetSysClock(void)
}

/* 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 */
RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));
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