bstanwell/ch32v20x-examples
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This commit is contained in:
qiyongshuang
2024-11-11 14:32:11 +08:00
parent c4c38f507e
commit 961943f623
452 changed files with 9316 additions and 862 deletions
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EVT/EXAM/USB/USBD/SimulateCDC-HID/User/USBLIB/CONFIG/hw_config.c
+12 -4
View File
@@ -55,19 +55,27 @@ void USB_LP_CAN1_RX0_IRQHandler(void)
*/
void Set_USBConfig( )
{
if( SystemCoreClock == 144000000 )
RCC_ClocksTypeDef RCC_ClocksStatus={0};
RCC_GetClocksFreq(&RCC_ClocksStatus);
if( RCC_ClocksStatus.SYSCLK_Frequency == 144000000 )
{
RCC_USBCLKConfig( RCC_USBCLKSource_PLLCLK_Div3 );
}
else if( SystemCoreClock == 96000000 )
else if( RCC_ClocksStatus.SYSCLK_Frequency == 96000000 )
{
RCC_USBCLKConfig( RCC_USBCLKSource_PLLCLK_Div2 );
}
else if( SystemCoreClock == 48000000 )
else if( RCC_ClocksStatus.SYSCLK_Frequency == 48000000 )
{
RCC_USBCLKConfig( RCC_USBCLKSource_PLLCLK_Div1 );
}
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
#if defined(CH32V20x_D8W) || defined(CH32V20x_D8)
else if ( RCC_ClocksStatus.SYSCLK_Frequency == 240000000 && RCC_USB5PRE_JUDGE() == SET )
{
RCC_USBCLKConfig( RCC_USBCLKSource_PLLCLK_Div5 );
}
#endif
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
}
/*******************************************************************************