85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/* CCID Control program
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* - quick hack used to send CCID control transfers to a CCID device
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*
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* (C) 2019-2020 by Harald Welte <laforge@gnumonks.org>
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <libusb-1.0/libusb.h>
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static libusb_context *g_uctx;
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static uint16_t g_vendor_id = 0x1d50;
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static uint16_t g_product_id = 0x615f;
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static uint8_t g_interface = 0;
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#define GET_CLOCK_FREQS 0x02
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#define GET_DATA_RATES 0x03
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static int usb_ctrl_get_dwords(libusb_device_handle *devh, uint8_t req_t, uint8_t rq,
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uint16_t val, uint16_t index, unsigned int num_dword)
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{
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uint32_t buf[num_dword];
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unsigned int i;
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int rc;
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rc = libusb_control_transfer(devh, req_t, rq, val, index, (uint8_t *)buf, sizeof(buf), 1000);
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if (rc < 0) {
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printf("control_transfer: %s\n", libusb_strerror(rc));
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return rc;
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}
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for (i = 0; i < num_dword; i++)
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printf("\t%u\n", buf[i]);
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return 0;
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}
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int main(int argc, char **argv)
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{
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libusb_device_handle *devh;
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int rc;
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rc = libusb_init(&g_uctx);
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if (rc < 0) {
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fprintf(stderr, "Cannot init libusb\n");
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exit(1);
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}
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devh = libusb_open_device_with_vid_pid(g_uctx, g_vendor_id, g_product_id);
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if (!devh) {
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fprintf(stderr, "Cannot open usb device %04x:%04x\n", g_vendor_id, g_product_id);
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exit(1);
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}
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printf("Clock Frequencies:\n");
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usb_ctrl_get_dwords(devh, 0xA1, GET_CLOCK_FREQS, 0, g_interface, 1);
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printf("\n");
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printf("Data Rates\n");
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usb_ctrl_get_dwords(devh, 0xA1, GET_DATA_RATES, 0, g_interface, 1);
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printf("\n");
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libusb_close(devh);
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exit(0);
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}
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