Kvaser Linux CANLIB
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/* ** Copyright 2012 by Kvaser AB, Mölndal, 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 <COPYRIGHT HOLDER> 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. ** ** --------------------------------------------------------------------------- **/ /* * Kvaser Linux Canlib * List available channels */ #include "canlib.h" #include <stdio.h> #include <string.h> /* Lists available CAN channels */ int main (int argc, char* argv[]) { int chanCount = 0; int stat, i; char name[256]; unsigned int ean[2], fw[2], serial[2]; stat = canGetNumberOfChannels(&chanCount); if (stat < 0) { printf("Error in canGetNumberOfChannels\n"); exit(1); } if (chanCount < 0 || chanCount > 64) { printf("ChannelCount = %d but I don't believe it.\n", chanCount); exit(1); } else { if (chanCount == 1) printf("Found %d channel.\n", chanCount); else printf("Found %d channels.\n", chanCount); } for (i = 0; i < chanCount; i++) { stat = canGetChannelData(i, canCHANNELDATA_DEVDESCR_ASCII, &name, sizeof(name)); if (stat < 0) { printf("Error in canGetChannelData - DEVDESCR_ASCII\n"); exit(1); } if (strcmp(name, "Kvaser Unknown") == 0) { stat = canGetChannelData(i, canCHANNELDATA_CHANNEL_NAME, &name, sizeof(name)); if (stat < 0) { printf("Error in canGetChannelData - CHANNEL_NAME\n"); exit(1); } } stat = canGetChannelData(i, canCHANNELDATA_CARD_UPC_NO, &ean, sizeof(ean)); if (stat < 0) { printf("Error in canGetChannelData - CARD_UPC_NO\n"); exit(1); } stat = canGetChannelData(i, canCHANNELDATA_CARD_SERIAL_NO, &serial, sizeof(serial)); if (stat < 0) { printf("Error in canGetChannelData - CARD_SERIAL_NO\n"); exit(1); } stat = canGetChannelData(i, canCHANNELDATA_CARD_FIRMWARE_REV, &fw, sizeof(fw)); if (stat < 0) { printf("Error in canGetChannelData - CARD_FIRMWARE_REV\n"); exit(1); } printf("channel %d = %s, %x-%04x-%05x-%x, (%d)%d, %d.%d.%d.%d\n", i, name, ean[1] >> 8, ((ean[1] & 0xff) << 8) | ((ean[0] >> 24) & 0xff), (ean[0] >> 4) & 0xfffff, ean[0] & 0x0f, serial[1], serial[0], fw[1] >> 16, fw[1] & 0xffff, fw[0] >> 16, fw[0] & 0xffff); } return 0; }