mirror of
https://github.com/radiomanV/TL866.git
synced 2025-06-18 14:25:38 -04:00
111 lines
2.7 KiB
C++
111 lines
2.7 KiB
C++
/* Class USB, Linux version
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*
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* This file is part of the TL866 updater project.
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*
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* Copyright (C) radioman 2013
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*/
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#include "usb_linux.h"
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#include "tl866_global.h"
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#include <QDebug>
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USB::USB()
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{
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device_handle = NULL;
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libusb_init(&ctx);//initialize a new session
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libusb_set_debug(ctx, 3);//set verbosity level
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}
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USB::~USB()
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{
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if(isOpen())
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close_device();
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libusb_exit(ctx); //close session
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}
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int USB::get_devices_count()
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{
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libusb_device **devs;
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devices.clear();
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int count = libusb_get_device_list(ctx, &devs);
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if(count < 0) {
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return 0;
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}
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for(int i = 0; i < count; i++) {
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libusb_device_descriptor desc;
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int ret = libusb_get_device_descriptor(devs[i], &desc);
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if (ret < 0) {
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return 0;
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}
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if(desc.idProduct == TL866_PID && desc.idVendor == TL866_VID)
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{
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devices.append(devs[i]);
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}
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}
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libusb_free_device_list(devs, 1);
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return devices.size();
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}
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bool USB::open_device(int index)
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{
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if(isOpen())
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close_device();
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return (libusb_open(devices[index], &device_handle) == 0);
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}
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bool USB::isOpen()
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{
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return (device_handle !=NULL);
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}
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void USB::close_device()
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{
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libusb_close(device_handle);
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device_handle = NULL;
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}
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size_t USB::usb_read(unsigned char *data, size_t size)
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{
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int bytes_read;
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if(libusb_claim_interface(device_handle, 0) < 0)
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return 0;
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int ret = libusb_bulk_transfer(device_handle, LIBUSB_ENDPOINT_IN | 1, data, size, &bytes_read, 0);
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libusb_release_interface(device_handle, 0);
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if(ret !=0)
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return 0;
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return bytes_read;
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}
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size_t USB::usb_write(unsigned char *data, size_t size)
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{
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int bytes_writen;
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if(libusb_claim_interface(device_handle, 0) < 0)
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return 0;
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int ret = libusb_bulk_transfer(device_handle, LIBUSB_ENDPOINT_OUT | 1, data, size, &bytes_writen, 0);
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libusb_release_interface(device_handle, 0);
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if(ret !=0)
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return 0;
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return bytes_writen;
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}
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