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Commitbec0296

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chore: configure the clock recovery system for STM32H723ZGT
Signed-off-by: Frederic Pillon <frederic.pillon@st.com>
1 parentdd2385f commitbec0296

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2 files changed

+45
-0
lines changed

2 files changed

+45
-0
lines changed

‎variants/STM32H7xx/H723Z(E-G)T_H730ZBT_H733ZGT/generic_clock.c

Lines changed: 23 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -24,6 +24,7 @@ WEAK void SystemClock_Config(void)
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RCC_OscInitTypeDefRCC_OscInitStruct= {};
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RCC_ClkInitTypeDefRCC_ClkInitStruct= {};
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RCC_PeriphCLKInitTypeDefPeriphClkInitStruct= {};
27+
RCC_CRSInitTypeDefRCC_CRSInitStruct= {};
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/** Supply configuration update enable
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*/
@@ -89,5 +90,27 @@ WEAK void SystemClock_Config(void)
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct)!=HAL_OK) {
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Error_Handler();
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}
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/*Configure the clock recovery system (CRS)**********************************/
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/*Enable CRS Clock*/
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__HAL_RCC_CRS_CLK_ENABLE();
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/* Default Synchro Signal division factor (not divided) */
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RCC_CRSInitStruct.Prescaler=RCC_CRS_SYNC_DIV1;
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/* Set the SYNCSRC[1:0] bits according to CRS_Source value */
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RCC_CRSInitStruct.Source=RCC_CRS_SYNC_SOURCE_USB1;
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/* HSI48 is synchronized with USB SOF at 1KHz rate */
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RCC_CRSInitStruct.ReloadValue=RCC_CRS_RELOADVALUE_DEFAULT;
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RCC_CRSInitStruct.ErrorLimitValue=RCC_CRS_ERRORLIMIT_DEFAULT;
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RCC_CRSInitStruct.Polarity=RCC_CRS_SYNC_POLARITY_RISING;
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/* Set the TRIM[5:0] to the default value */
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RCC_CRSInitStruct.HSI48CalibrationValue=RCC_CRS_HSI48CALIBRATION_DEFAULT;
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/* Start automatic synchronization */
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HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct);
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}
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#endif/* ARDUINO_GENERIC_* */

‎variants/STM32H7xx/H723Z(E-G)T_H730ZBT_H733ZGT/variant_NUCLEO_H723ZG.cpp

Lines changed: 22 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -184,6 +184,7 @@ WEAK void SystemClock_Config(void)
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RCC_OscInitTypeDef RCC_OscInitStruct = {};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {};
187+
RCC_CRSInitTypeDef RCC_CRSInitStruct = {};
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/** Supply configuration update enable
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*/
@@ -249,6 +250,27 @@ WEAK void SystemClock_Config(void)
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Error_Handler();
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}
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253+
/*Configure the clock recovery system (CRS)**********************************/
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/*Enable CRS Clock*/
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__HAL_RCC_CRS_CLK_ENABLE();
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/* Default Synchro Signal division factor (not divided)*/
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RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
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/* Set the SYNCSRC[1:0] bits according to CRS_Source value*/
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RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB1;
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/* HSI48 is synchronized with USB SOF at 1KHz rate*/
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RCC_CRSInitStruct.ReloadValue = RCC_CRS_RELOADVALUE_DEFAULT;
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RCC_CRSInitStruct.ErrorLimitValue = RCC_CRS_ERRORLIMIT_DEFAULT;
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RCC_CRSInitStruct.Polarity = RCC_CRS_SYNC_POLARITY_RISING;
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/* Set the TRIM[5:0] to the default value*/
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RCC_CRSInitStruct.HSI48CalibrationValue = RCC_CRS_HSI48CALIBRATION_DEFAULT;
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/* Start automatic synchronization*/
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HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct);
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}
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#ifdef __cplusplus

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