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Commit91b29fb

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Merge pull request#2619 from ALTracer/fix/variant_WEACT_G474CE
variant(g4): Fix clock config of WeAct STM32G474CoreBoard
2 parents65677a2 +b940809 commit91b29fb

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2 files changed

+20
-2
lines changed

2 files changed

+20
-2
lines changed

‎variants/STM32G4xx/G473C(B-C-E)U_G474C(B-C-E)U_G483CEU_G484CEU/variant_WEACT_G474CE.cpp

Lines changed: 16 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -98,6 +98,7 @@ WEAK void SystemClock_Config(void)
9898
RCC_OscInitTypeDef RCC_OscInitStruct = {};
9999
RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
100100
#ifdef USBCON
101+
RCC_CRSInitTypeDef RCC_CRSInitStruct = {};
101102
RCC_PeriphCLKInitTypeDef PeriphClkInit = {};
102103
#endif
103104

@@ -111,7 +112,7 @@ WEAK void SystemClock_Config(void)
111112
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
112113
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
113114
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
114-
RCC_OscInitStruct.PLL.PLLM =RCC_PLLM_DIV4;
115+
RCC_OscInitStruct.PLL.PLLM =RCC_PLLM_DIV2;
115116
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
116117
RCC_OscInitStruct.PLL.PLLN =85;
117118
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
@@ -133,6 +134,19 @@ WEAK void SystemClock_Config(void)
133134
}
134135

135136
#ifdef USBCON
137+
/* Enable the SYSCFG APB clock*/
138+
__HAL_RCC_CRS_CLK_ENABLE();
139+
140+
/* Configures CRS*/
141+
RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
142+
RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB;
143+
RCC_CRSInitStruct.Polarity = RCC_CRS_SYNC_POLARITY_RISING;
144+
RCC_CRSInitStruct.ReloadValue =__HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000,1000);
145+
RCC_CRSInitStruct.ErrorLimitValue = RCC_CRS_ERRORLIMIT_DEFAULT;
146+
RCC_CRSInitStruct.HSI48CalibrationValue = RCC_CRS_HSI48CALIBRATION_DEFAULT;
147+
148+
HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct);
149+
136150
/* Initializes the peripherals clocks*/
137151
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
138152
PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
@@ -146,4 +160,4 @@ WEAK void SystemClock_Config(void)
146160
}// extern "C"
147161
#endif
148162

149-
#endif/*ARDUINO_NUCLEO_G431RB*/
163+
#endif/*ARDUINO_WEACT_G474CE*/

‎variants/STM32G4xx/G473C(B-C-E)U_G474C(B-C-E)U_G483CEU_G484CEU/variant_WEACT_G474CE.h

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -184,6 +184,10 @@
184184
#defineHAL_QSPI_MODULE_ENABLED
185185
#endif
186186

187+
#ifndefHSE_VALUE
188+
#defineHSE_VALUE 8000000U
189+
#endif
190+
187191
/*----------------------------------------------------------------------------
188192
* Arduino objects - C++ only
189193
*----------------------------------------------------------------------------*/

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