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osmo-ccid-firmware
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import ccid-control - small hack to send CCID USB control requests 

Change-Id: I7d6cf32e91dfd9974d2e28f13a2b062e07d17d6c
This commit is contained in:
Harald Welte 2020-09-03 10:10:09 +02:00
parent 68bc7f4a86
commit 8dd67e3bbb
3 changed files with 97 additions and 0 deletions
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1
.gitignore vendored
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@ -2,3 +2,4 @@
ccid_host/ccid_functionfs
ccid_host/cuart_test
ccid_host/hub_functionfs
contrib/ccid-control

12
contrib/Makefile Normal file
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@ -0,0 +1,12 @@
CFLAGS=-Wall -g `pkg-config --cflags libusb-1.0`
LDFLAGS=-lasan `pkg-config --libs libusb-1.0`
ccid-control: ccid-control.o
$(CC) $(LDFLAGS) -o $@ $^
%.o: %.c
$(CC) $(CFLAGS) -o $@ -c $^
clean:
rm ccid-control *.o

84
contrib/ccid-control.c Normal file
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/* CCID Control program
* - quick hack used to send CCID control transfers to a CCID device
*
* (C) 2019-2020 by Harald Welte <laforge@gnumonks.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <libusb-1.0/libusb.h>
static libusb_context *g_uctx;
static uint16_t g_vendor_id = 0x2342;
static uint16_t g_product_id = 0x2342;
static uint8_t g_interface = 0;
#define GET_CLOCK_FREQS 0x02
#define GET_DATA_RATES 0x03
static int usb_ctrl_get_dwords(libusb_device_handle *devh, uint8_t req_t, uint8_t rq,
uint16_t val, uint16_t index, unsigned int num_dword)
{
uint32_t buf[num_dword];
unsigned int i;
int rc;
rc = libusb_control_transfer(devh, req_t, rq, val, index, (uint8_t *)buf, sizeof(buf), 1000);
if (rc < 0) {
printf("control_transfer: %s\n", libusb_strerror(rc));
return rc;
}
for (i = 0; i < num_dword; i++)
printf("\t%u\n", buf[i]);
return 0;
}
int main(int argc, char **argv)
{
libusb_device_handle *devh;
int rc;
rc = libusb_init(&g_uctx);
if (rc < 0) {
fprintf(stderr, "Cannot init libusb\n");
exit(1);
}
devh = libusb_open_device_with_vid_pid(g_uctx, g_vendor_id, g_product_id);
if (!devh) {
fprintf(stderr, "Cannot open usb device %04x:%04x\n", g_vendor_id, g_product_id);
exit(1);
}
printf("Clock Frequencies:\n");
usb_ctrl_get_dwords(devh, 0xA1, GET_CLOCK_FREQS, 0, g_interface, 1);
printf("\n");
printf("Data Rates\n");
usb_ctrl_get_dwords(devh, 0xA1, GET_DATA_RATES, 0, g_interface, 1);
printf("\n");
libusb_close(devh);
exit(0);
}