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License: Apache License 2.0
WCH CH56x BSP for HydraUSB3 v1 hardware
License: Apache License 2.0
Extract of code
uint32_t uep0_dma = USBSS->UEP0_DMA;
uint8_t data_req = endp0RTbuff[uep0_dma];
if ((endp0RTbuff[uep0_dma] & 0x60) == 0)
{
req_len = USB30_StandardReq();
}
else
{
req_len = USB30_NonStandardReq();
}
It shall be replaced by
uint8_t data_req = *((uint8_t*)endp0RTbuff);
if ((data_req & 0x60) == 0)
{
req_len = USB30_StandardReq();
}
else
{
req_len = USB30_NonStandardReq();
}
For information we have no choice and we shall use endp0RTbuff instead of USBSS->UEP0_DMA to retrieve the ep0 buffer addr as USBSS->UEP0_DMA can be written but when read it returns 0
It would be nice to make the BSP suitable for all CH56x
boards (like the official development board),
and enable the Hydrabus-specific parts with a compiler define.
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