31 lines
1.1 KiB
C
Executable file
31 lines
1.1 KiB
C
Executable file
/*
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* URB formatting related definitions
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*/
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#ifndef _URB_HELPER_H_
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#define _URB_HELPER_H_
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#include <ddekit/usb.h>
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#include <ddekit/semaphore.h>
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/* Possible values for attach_urb_data's buf_type */
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/* Both may be used for single URB */
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#define URB_BUF_TYPE_DATA 0 /* attached buffer is data buffer */
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#define URB_BUF_TYPE_SETUP 1 /* attached buffer is setup structure */
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/* Possible values for blocking_urb_submit's check_len */
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/* Use URB_SUBMIT_CHECK_LEN when actual data buffer length returned
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* by HCD must match expected length, supplied in attach_urb_data */
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#define URB_SUBMIT_CHECK_LEN 0 /* return error on length mismatch */
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#define URB_SUBMIT_ALLOW_MISMATCH 1 /* ignore length check */
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/*---------------------------*
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* declared functions *
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*---------------------------*/
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void init_urb(struct ddekit_usb_urb *, struct ddekit_usb_dev *, ddekit_int32_t,
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ddekit_int32_t, ddekit_int32_t, ddekit_uint32_t);
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void attach_urb_data(struct ddekit_usb_urb *, int, void *, ddekit_uint32_t);
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int blocking_urb_submit(struct ddekit_usb_urb *, ddekit_sem_t *, int);
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#endif /* !_URB_HELPER_H_ */
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