75 lines
3.0 KiB
C
75 lines
3.0 KiB
C
/* * Copyright (c) 2023 Carl Klemm <carl@uvos.xyz>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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* * Neither the name of %ORGANIZATION% nor the names of its contributors may be
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* used to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <libusb-1.0/libusb.h>
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#include <pthread.h>
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#include <stdatomic.h>
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#include <stdint.h>
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#include <time.h>
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#include <stdbool.h>
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struct usbshm_priv;
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enum {
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USBSHM_ERROR_AGAIN = -1,
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USBSHM_ERROR_PARAM = -2,
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USBSHM_ERROR_ERR = -3,
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USBSHM_ERROR_NOT_CONNECTED = -4,
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};
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struct usbshm {
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struct usbshm_priv* priv;
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int vendorID;
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int productID;
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unsigned char* serial;
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void* user_data;
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void (*dataCallback)(uint8_t request, unsigned char* data, size_t length, void* user_data);
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};
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void usbshm_distroy(struct usbshm* instance);
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int usbshm_init(struct usbshm* instance, void (*dataCallback)(uint8_t request, unsigned char* data, size_t length, void* user_data), void* user_data);
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bool usbshm_ready(struct usbshm* instance);
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int usbshm_open(struct usbshm* instance, int vendorID, int productID, const unsigned char* serial);
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bool usbshm_isOpen(struct usbshm* instance);
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void usbshm_reset(struct usbshm* instance);
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void usbshm_reopen(struct usbshm* instance);
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int usbshm_writeControlTransfer(struct usbshm* instance, const uint8_t request,
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char* buffer, const uint8_t length,
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const uint16_t wValue, const uint16_t wIndex);
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int usbshm_readControlTransfer(struct usbshm* instance, const uint8_t request, const uint16_t wValue, const uint16_t wIndex, const uint16_t length);
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int usbshm_readControlTransferSync(struct usbshm* instance, const uint8_t request, const uint16_t wValue, const uint16_t wIndex, uint8_t* buffer, const uint16_t length);
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