listChannels.c
/*
** Copyright 2017-2018 by Kvaser AB, Molndal, Sweden
** http://www.kvaser.com
**
** This software is dual licensed under the following two licenses:
** BSD-new and GPLv2. You may use either one. See the included
** COPYING file for details.
**
** License: BSD-new
** ==============================================================================
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** * Neither the name of the <organization> nor the
** names of its contributors may be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
** BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
** IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
**
**
** License: GPLv2
** ==============================================================================
** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
**
**
** IMPORTANT NOTICE:
** ==============================================================================
** This source code is made available for free, as an open license, by Kvaser AB,
** for use with its applications. Kvaser AB does not accept any liability
** whatsoever for any third party patent or other immaterial property rights
** violations that may result from any usage of this source code, regardless of
** the combination of source code and various applications that it can be used
** in, or with.
**
** -----------------------------------------------------------------------------
*/
/*
* Kvaser Linux Canlib
* List available channels
*/
#include "canlib.h"
#include <stdio.h>
#include <string.h>
static void check(char* id, canStatus stat)
{
if (stat != canOK) {
char buf[50];
buf[0] = '\0';
canGetErrorText(stat, buf, sizeof(buf));
printf("%s: failed, stat=%d (%s)\n", id, (int)stat, buf);
}
}
int main(int argc, char* argv[])
{
int chanCount = 0;
canStatus stat;
int i;
int beta;
char betaString[10];
char name[256];
char driverName[256];
char custChanName[40];
unsigned int ean[2], fw[2], serial[2];
unsigned int canlibVersion;
uint16_t fileVersion[4];
(void)argc; // Unused.
(void)argv; // Unused.
canInitializeLibrary();
beta = canGetVersionEx(canVERSION_CANLIB32_BETA);
if (beta) {
sprintf(betaString, "BETA");
} else {
betaString[0] = '\0';
}
canlibVersion = canGetVersionEx(canVERSION_CANLIB32_PRODVER);
printf("CANlib version %d.%d %s\n",
canlibVersion >> 8,
canlibVersion & 0xff,
betaString);
memset(name, 0, sizeof(name));
memset(custChanName, 0, sizeof(custChanName));
memset(ean, 0, sizeof(ean));
memset(fw, 0, sizeof(fw));
memset(serial, 0, sizeof(serial));
stat = canGetNumberOfChannels(&chanCount);
if (stat != canOK) {
check("canGetNumberOfChannels", stat);
exit(1);
}
printf("Found %d channel(s).\n", chanCount);
for (i = 0; i < chanCount; i++) {
stat = canGetChannelData(i, canCHANNELDATA_DRIVER_NAME,
&driverName, sizeof(driverName));
if (stat != canOK) {
check("canGetChannelData: DRIVER_NAME", stat);
exit(1);
}
stat = canGetChannelData(i, canCHANNELDATA_DLL_FILE_VERSION,
&fileVersion, sizeof(fileVersion));
if (stat != canOK) {
check("canGetChannelData: DLL_FILE_VERSION", stat);
exit(1);
}
stat = canGetChannelData(i, canCHANNELDATA_DEVDESCR_ASCII,
&name, sizeof(name));
if (stat != canOK) {
check("canGetChannelData: DEVDESCR_ASCII", stat);
exit(1);
}
if (strcmp(name, "Kvaser Unknown") == 0) {
stat = canGetChannelData(i, canCHANNELDATA_CHANNEL_NAME,
&name, sizeof(name));
if (stat != canOK) {
check("canGetChannelData: CHANNEL_NAME", stat);
exit(1);
}
}
stat = canGetChannelData(i, canCHANNELDATA_CARD_UPC_NO,
&ean, sizeof(ean));
if (stat != canOK) {
check("canGetChannelData: CARD_UPC_NO", stat);
exit(1);
}
stat = canGetChannelData(i, canCHANNELDATA_CARD_SERIAL_NO,
&serial, sizeof(serial));
if (stat != canOK) {
check("canGetChannelData: CARD_SERIAL_NO", stat);
exit(1);
}
stat = canGetChannelData(i, canCHANNELDATA_CARD_FIRMWARE_REV,
&fw, sizeof(fw));
if (stat != canOK) {
check("canGetChannelData: CARD_FIRMWARE_REV", stat);
exit(1);
}
(void) canGetChannelData(i, canCHANNELDATA_CUST_CHANNEL_NAME,
custChanName, sizeof(custChanName));
printf("ch %2.1d: %-22s\t%x-%05x-%05x-%x, s/n %u, v%u.%u.%u.%u %s (%s v%d.%d.%d)\n",
i, name,
(ean[1] >> 12), ((ean[1] & 0xfff) << 8) | ((ean[0] >> 24) & 0xff),
(ean[0] >> 4) & 0xfffff, (ean[0] & 0x0f),
serial[0],
fw[1] >> 16, fw[1] & 0xffff, fw[0] >> 16, fw[0] & 0xffff,
custChanName,
driverName, fileVersion[3], fileVersion[2], fileVersion[1]);
}
stat = canUnloadLibrary();
if (stat != canOK) {
check("canUnloadLibrary", stat);
exit(1);
}
return 0;
}