guard check for open iso pipe

This commit is contained in:
hathach 2013-03-07 16:10:16 +07:00
parent 66586ffb08
commit 6d30ae1f32
2 changed files with 4 additions and 3 deletions

View File

@ -314,7 +314,7 @@ tusb_descriptor_endpoint_t const desc_ept_iso_in =
.bLength = sizeof(tusb_descriptor_endpoint_t),
.bDescriptorType = TUSB_DESC_ENDPOINT,
.bEndpointAddress = 0x83,
.bmAttributes = { .xfer = TUSB_XFER_BULK },
.bmAttributes = { .xfer = TUSB_XFER_ISOCHRONOUS },
.wMaxPacketSize = 1024,
.bInterval = 1
};

View File

@ -348,6 +348,9 @@ pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const *
{
pipe_handle_t const null_handle = { .dev_addr = 0, .xfer_type = 0, .index = 0 };
if (p_endpoint_desc->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS)
return null_handle; // TODO not support ISO yet
//------------- find a free queue head -------------//
uint8_t index=0;
while( index<EHCI_MAX_QHD && ehci_data.device[dev_addr].qhd[index].used )
@ -378,8 +381,6 @@ pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const *
list_head->next.type = EHCI_QUEUE_ELEMENT_QHD;
return (pipe_handle_t) { .dev_addr = dev_addr, .xfer_type = p_endpoint_desc->bmAttributes.xfer, .index = index};
// return null_handle;
}
//--------------------------------------------------------------------+