Changeset 1998bcd in mainline for uspace/lib/usb/src/pipesinit.c
- Timestamp:
- 2011-04-08T22:25:00Z (13 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- 98064795
- Parents:
- 297341b
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
uspace/lib/usb/src/pipesinit.c
r297341b r1998bcd 461 461 usb_hc_connection_t *hc_connection) 462 462 { 463 return usb_pipe_register_with_speed(pipe, USB_SPEED_MAX + 1, 464 interval, hc_connection); 465 } 466 467 /** Register endpoint with a speed at the host controller. 468 * 469 * You will rarely need to use this function because it is needed only 470 * if the registered endpoint is of address 0 and there is no other way 471 * to tell speed of the device at address 0. 472 * 473 * @param pipe Pipe to be registered. 474 * @param speed Speed of the device 475 * (invalid speed means use previously specified one). 476 * @param interval Polling interval. 477 * @param hc_connection Connection to the host controller (must be opened). 478 * @return Error code. 479 */ 480 int usb_pipe_register_with_speed(usb_pipe_t *pipe, usb_speed_t speed, 481 unsigned int interval, 482 usb_hc_connection_t *hc_connection) 483 { 463 484 assert(pipe); 464 485 assert(hc_connection); … … 468 489 } 469 490 470 #define _PACK(high, low) ((high) * 256 + (low)) 471 472 return async_req_5_0(hc_connection->hc_phone, 491 #define _PACK2(high, low) (((high) << 16) + (low)) 492 #define _PACK3(high, middle, low) (((((high) << 8) + (middle)) << 8) + (low)) 493 494 return async_req_4_0(hc_connection->hc_phone, 473 495 DEV_IFACE_ID(USBHC_DEV_IFACE), IPC_M_USBHC_REGISTER_ENDPOINT, 474 _PACK(pipe->wire->address, pipe->endpoint_no), 475 _PACK(pipe->transfer_type, pipe->direction), 476 pipe->max_packet_size, interval); 477 478 #undef _PACK 496 _PACK2(pipe->wire->address, pipe->endpoint_no), 497 _PACK3(speed, pipe->transfer_type, pipe->direction), 498 _PACK2(pipe->max_packet_size, interval)); 499 500 #undef _PACK2 501 #undef _PACK3 479 502 } 480 503
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