63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/**
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* UVOS usbled
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* Copyright (C) 2021 Carl Klemm
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 3 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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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 <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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char* productName;
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void (*dataCallback)(uint8_t request, unsigned char* data, size_t length);
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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));
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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 char* productName);
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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 uint8_t length);
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