Commitd4a0b3c

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variant(g4): correct the clock config for HSE8 on WeAct G474CEU

* Override HSE value to 8 MHz not 24* Keep PLL input above 2.66 MHz spec* Set VCO to a multiple of USB48 and feed that from PLL, sysclk becomes 144

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

-4

lines changed

Lines changed: 4 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -111,9 +111,9 @@ WEAK void SystemClock_Config(void)`
`111`	`111`	`RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;`
`112`	`112`	`RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;`
`113`	`113`	`RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;`
`114`		`- RCC_OscInitStruct.PLL.PLLM =RCC_PLLM_DIV4;`
	`114`	`+ RCC_OscInitStruct.PLL.PLLM =RCC_PLLM_DIV2;`
`115`	`115`	`RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;`
`116`		`- RCC_OscInitStruct.PLL.PLLN =85;`
	`116`	`+ RCC_OscInitStruct.PLL.PLLN =72;`
`117`	`117`	`RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;`
`118`	`118`	`RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV6;`
`119`	`119`	`RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;`
`@@ -135,7 +135,7 @@ WEAK void SystemClock_Config(void)`
`135`	`135`	`#ifdef USBCON`
`136`	`136`	`/* Initializes the peripherals clocks*/`
`137`	`137`	`PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;`
`138`		`- PeriphClkInit.UsbClockSelection =RCC_USBCLKSOURCE_HSI48;`
	`138`	`+ PeriphClkInit.UsbClockSelection =RCC_USBCLKSOURCE_PLL;`
`139`	`139`	`if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {`
`140`	`140`	`Error_Handler();`
`141`	`141`	`}`
`@@ -146,4 +146,4 @@ WEAK void SystemClock_Config(void)`
`146`	`146`	`}// extern "C"`
`147`	`147`	`#endif`
`148`	`148`
`149`		`-#endif/ARDUINO_NUCLEO_G431RB/`
	`149`	`+#endif/ARDUINO_WEACT_G474CE/`

Lines changed: 4 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -184,6 +184,10 @@`
`184`	`184`	`#defineHAL_QSPI_MODULE_ENABLED`
`185`	`185`	`#endif`
`186`	`186`
	`187`	`+#ifndefHSE_VALUE`
	`188`	`+#defineHSE_VALUE 8000000U`
	`189`	`+#endif`
	`190`	`+`
`187`	`191`	`/*----------------------------------------------------------------------------`
`188`	`192`	`* Arduino objects - C++ only`
`189`	`193`	`----------------------------------------------------------------------------/`

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