fix 303, now works with usb

2017-12-17 01:18:05 +01:00
parent f15b907f5d
commit 9e45f4e6ec
3 changed files with 24 additions and 18 deletions
@@ -43,7 +43,10 @@ void DebugUart_PreInit(void)
 #elif GEX_PLAT_F103_BLUEPILL
    LL_USART_SetBaudRate(USART2, SystemCoreClock/2, 115200); // This is not great, let's hope it's like this on all platforms...
 #elif GEX_PLAT_F303_DISCOVERY
-    LL_USART_SetBaudRate(USART2, SystemCoreClock/2, LL_USART_OVERSAMPLING_16, 115200); // FIXME better way to determine frequency?
+    LL_USART_SetBaudRate(USART2,
+                         LL_RCC_GetUSARTClockFreq(LL_RCC_USART2_CLKSOURCE),
+                         LL_USART_OVERSAMPLING_16,
+                         115200);
    LL_GPIO_SetAFPin_0_7(GPIOA, LL_GPIO_PIN_2, LL_GPIO_AF_7); // uart2 is AF7 here
 #else
    #error "BAD PLATFORM!"