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...
...
...
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_host_stack.h"
...
...
UINT _ux_host_stack_endpoint_instance_create(UX_ENDPOINT *endpoint)
{
UX_HCD *hcd;
UINT status;
UCHAR endpoint_type;
hcd = UX_DEVICE_HCD_GET(endpoint -> ux_endpoint_device);
UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_STACK_ENDPOINT_INSTANCE_CREATE, endpoint -> ux_endpoint_device, endpoint, 0, 0, UX_TRACE_HOST_STACK_EVENTS, 0, 0)
endpoint_type = (endpoint -> ux_endpoint_descriptor.bmAttributes) & UX_MASK_ENDPOINT_TYPE;
switch (endpoint_type)
{
case UX_CONTROL_ENDPOINT:
case UX_BULK_ENDPOINT:
break;
case UX_BULK_ENDPOINT:
default:
if (_ux_host_stack_bandwidth_check(hcd, endpoint) != UX_SUCCESS)
{
_ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_ENUMERATOR, UX_NO_BANDWIDTH_AVAILABLE);
return(UX_NO_BANDWIDTH_AVAILABLE);
}if (_ux_host_stack_bandwidth_check(hcd, endpoint) != UX_SUCCESS) { ... }
break;default
}switch (endpoint_type) { ... }
status = hcd -> ux_hcd_entry_function(hcd, UX_HCD_CREATE_ENDPOINT, (VOID *) endpoint);
if (status != UX_SUCCESS)
{
return(status);
}if (status != UX_SUCCESS) { ... }
if ((endpoint_type == UX_INTERRUPT_ENDPOINT) || (endpoint_type == UX_ISOCHRONOUS_ENDPOINT))
{
_ux_host_stack_bandwidth_claim(hcd, endpoint);
}if ((endpoint_type == UX_INTERRUPT_ENDPOINT) || (endpoint_type == UX_ISOCHRONOUS_ENDPOINT)) { ... }
status = _ux_host_semaphore_create(&endpoint -> ux_endpoint_transfer_request.ux_transfer_request_semaphore,
"ux_transfer_request_semaphore", 0);
if (status == UX_SUCCESS)
{
UX_TRACE_OBJECT_REGISTER(UX_TRACE_HOST_OBJECT_TYPE_ENDPOINT, endpoint, 0, 0, 0)
}if (status == UX_SUCCESS) { ... }
return(status);
}{ ... }