F4_HAL/uart: Fix clock for UART9/10.

dlech · dpgeorge · commit 0537a3cb8f89 · 2025-05-16T14:18:14.000+10:00
diff --git a/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usart.c b/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usart.c
@@ -357,13 +357,13 @@ ErrorStatus LL_USART_Init(USART_TypeDef *USARTx, LL_USART_InitTypeDef *USART_Ini
 #if defined(UART9)
     else if (USARTx == UART9)
     {
-      periphclk = rcc_clocks.PCLK1_Frequency;
+      periphclk = rcc_clocks.PCLK2_Frequency;
     }
 #endif /* UART9 */
 #if defined(UART10)
     else if (USARTx == UART10)
     {
-      periphclk = rcc_clocks.PCLK1_Frequency;
+      periphclk = rcc_clocks.PCLK2_Frequency;
     }
 #endif /* UART10 */
     else

Original file line number	Diff line number	Diff line change
`@@ -357,13 +357,13 @@ ErrorStatus LL_USART_Init(USART_TypeDef USARTx, LL_USART_InitTypeDef USART_Ini`
`357`	`357`	`#if defined(UART9)`
`358`	`358`	`else if (USARTx == UART9)`
`359`	`359`	`{`
`360`		`- periphclk = rcc_clocks.PCLK1_Frequency;`
	`360`	`+ periphclk = rcc_clocks.PCLK2_Frequency;`
`361`	`361`	`}`
`362`	`362`	`#endif /* UART9 */`
`363`	`363`	`#if defined(UART10)`
`364`	`364`	`else if (USARTx == UART10)`
`365`	`365`	`{`
`366`		`- periphclk = rcc_clocks.PCLK1_Frequency;`
	`366`	`+ periphclk = rcc_clocks.PCLK2_Frequency;`
`367`	`367`	`}`
`368`	`368`	`#endif /* UART10 */`
`369`	`369`	`else`