bstanwell/ch32v20x-examples
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V1.9

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This commit is contained in:
qiyongshuang
2023-12-01 10:33:09 +08:00
parent de6d68c654
commit ec059e0b18
395 changed files with 37947 additions and 28760 deletions
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EVT/EXAM/USB/USBFS/HOST_KM/User/USB_Host/ch32v20x_usbfs_host.c
+12 -9
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@@ -58,22 +58,25 @@ void USBFS_Host_Init( FunctionalState sta )
{
if( sta == ENABLE )
{
/* Reset USB module */
USBOTG_H_FS->BASE_CTRL = USBFS_UC_RESET_SIE | USBFS_UC_CLR_ALL;
Delay_Us( 10 );
USBOTG_H_FS->BASE_CTRL = 0;
/* Initialize USB host configuration */
USBOTG_H_FS->BASE_CTRL = USBFS_UC_HOST_MODE | USBFS_UC_INT_BUSY | USBFS_UC_DMA_EN;
USBOTG_H_FS->BASE_CTRL = USBFS_UC_HOST_MODE;
USBOTG_H_FS->HOST_CTRL = 0;
USBOTG_H_FS->DEV_ADDR = 0;
USBOTG_H_FS->HOST_EP_MOD = USBFS_UH_EP_TX_EN | USBFS_UH_EP_RX_EN;
USBOTG_H_FS->HOST_RX_DMA = (uint32_t)USBFS_RX_Buf;
USBOTG_H_FS->HOST_TX_DMA = (uint32_t)USBFS_TX_Buf;
USBOTG_H_FS->HOST_RX_CTRL = 0;
USBOTG_H_FS->HOST_TX_CTRL = 0;
USBOTG_H_FS->BASE_CTRL = USBFS_UC_HOST_MODE | USBFS_UC_INT_BUSY | USBFS_UC_DMA_EN;
USBOTG_H_FS->INT_FG = 0xFF;
USBOTG_H_FS->INT_EN = USBFS_UIE_TRANSFER | USBFS_UIE_DETECT;
}
else
{
USBOTG_H_FS->BASE_CTRL = USBFS_UC_RESET_SIE | USBFS_UC_CLR_ALL;
Delay_Us( 10 );
USBOTG_H_FS->BASE_CTRL = 0;
}
}