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Disable ICACHE before access flash regions where caching is not pract… #1

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Disable ICACHE before access flash regions where caching is not pract… #1

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14 changes: 14 additions & 0 deletions Src/stm32h5xx_hal_dac.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1226,6 +1226,7 @@ HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef *hdac,
uint32_t tickstart;
uint32_t hclkfreq;
uint32_t connectOnChip;
uint32_t isIcacheEn;

/* Check the DAC peripheral handle and channel configuration struct */
if ((hdac == NULL) || (sConfig == NULL))
Expand Down Expand Up @@ -1347,6 +1348,13 @@ HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef *hdac,
/* Configure for the selected DAC channel: mode, buffer output & on chip peripheral connect */

#if !defined(TIM8)
/* For flash regions where caching is not practical, ICACHE has to be disable before access them */
isIcacheEn = HAL_ICACHE_IsEnabled();
if (isIcacheEn != 0UL)
{
HAL_ICACHE_Disable();
}

/* Devices STM32H503xx */
/* On STM32H503EB (package WLCSP25) DAC channel 1 connection to GPIO is not available and should not be configured.
Package information is stored at the address PACKAGE_BASE, WLCSP25 correspond to the value 0xF (For more
Expand All @@ -1368,6 +1376,12 @@ HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef *hdac,
SET_BIT(hdac->ErrorCode, HAL_DAC_ERROR_INVALID_CONFIG);
}
}

/* Re-enable ICACHE if need */
if (isIcacheEn != 0UL)
{
HAL_ICACHE_Enable();
}
#endif /* Devices STM32H503xx */


Expand Down