| 1 | /*
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| 2 | * Copyright (c) 2010 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libusb usb
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * @brief USB driver - standard USB requests (implementation).
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| 34 | */
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| 35 | #include <usb/usbdrv.h>
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| 36 | #include <usb/devreq.h>
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| 37 | #include <errno.h>
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| 38 |
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| 39 | /** Change address of connected device.
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| 40 | *
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| 41 | * @see usb_drv_reserve_default_address
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| 42 | * @see usb_drv_release_default_address
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| 43 | * @see usb_drv_request_address
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| 44 | * @see usb_drv_release_address
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| 45 | * @see usb_drv_bind_address
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| 46 | *
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| 47 | * @param phone Open phone to HC driver.
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| 48 | * @param old_address Current address.
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| 49 | * @param address Address to be set.
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| 50 | * @return Error code.
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| 51 | */
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| 52 | int usb_drv_req_set_address(int phone, usb_address_t old_address,
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| 53 | usb_address_t new_address)
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| 54 | {
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| 55 | /* Prepare the target. */
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| 56 | usb_target_t target = {
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| 57 | .address = old_address,
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| 58 | .endpoint = 0
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| 59 | };
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| 60 |
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| 61 | /* Prepare the setup packet. */
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| 62 | usb_device_request_setup_packet_t setup_packet = {
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| 63 | .request_type = 0,
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| 64 | .request = USB_DEVREQ_SET_ADDRESS,
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| 65 | .index = 0,
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| 66 | .length = 0,
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| 67 | };
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| 68 | setup_packet.value = new_address;
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| 69 |
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| 70 | usb_handle_t handle;
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| 71 | int rc;
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| 72 |
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| 73 | /* Start the control write transfer. */
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| 74 | rc = usb_drv_async_control_write_setup(phone, target,
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| 75 | &setup_packet, sizeof(setup_packet), &handle);
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| 76 | if (rc != EOK) {
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| 77 | return rc;
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| 78 | }
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| 79 | rc = usb_drv_async_wait_for(handle);
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| 80 | if (rc != EOK) {
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| 81 | return rc;
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| 82 | }
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| 83 |
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| 84 | /* Finish the control write transfer. */
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| 85 | rc = usb_drv_async_control_write_status(phone, target, &handle);
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| 86 | if (rc != EOK) {
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| 87 | return rc;
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| 88 | }
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| 89 | rc = usb_drv_async_wait_for(handle);
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| 90 | if (rc != EOK) {
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| 91 | return rc;
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| 92 | }
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| 93 |
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| 94 | return EOK;
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| 95 | }
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| 96 |
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| 97 | /**
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| 98 | * @}
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| 99 | */
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