canfestival: drivers/can_virtual/can_virtual.c@e747d2e26af0 (annotated)

0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	1	/*
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	2	This file is part of CanFestival, a library implementing CanOpen Stack.
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	3
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	4	Copyright (C): Edouard TISSERANT and Francis DUPIN
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	5
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	6	See COPYING file for copyrights details.
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	7
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	8	This library is free software; you can redistribute it and/or
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	9	modify it under the terms of the GNU Lesser General Public
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	10	License as published by the Free Software Foundation; either
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	11	version 2.1 of the License, or (at your option) any later version.
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	12
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	13	This library is distributed in the hope that it will be useful,
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	16	Lesser General Public License for more details.
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	17
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	18	You should have received a copy of the GNU Lesser General Public
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	19	License along with this library; if not, write to the Free Software
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	20	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	21	*/
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	22
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	23	/*
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	24	Virtual CAN driver.
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	25	*/
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	26
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	27	#include <stdio.h>
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	28	#include <unistd.h>
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	29
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	30	#include "can_driver.h"
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	31
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	32	#define MAX_NB_CAN_PIPES 16
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	33
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	34	typedef struct {
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	35	char used;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	36	int pipe[2];
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	37	} CANPipe;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	38
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	39	CANPipe canpipes[MAX_NB_CAN_PIPES] = {{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},};
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	40
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	41	/*******functions which permit to communicate with the board**************/
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	42	UNS8 canReceive_driver(CAN_HANDLE fd0, Message *m)
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	43	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	44	if(read(((CANPipe*)fd0)->pipe[0], m, sizeof(Message)) < sizeof(Message))
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	45	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	46	return 1;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	47	}
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	48	return 0;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	49	}
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	50
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	51	/***************************************************************************/
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	52	UNS8 canSend_driver(CAN_HANDLE fd0, Message *m)
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	53	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	54	int i;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	55	// Send to all readers, except myself
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	56	for(i=0; i < MAX_NB_CAN_PIPES; i++)
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	57	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	58	if(canpipes[i].used && &canpipes[i] != (CANPipe*)fd0)
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	59	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	60	write(canpipes[i].pipe[1], m, sizeof(Message));
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	61	}
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	62	}
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	63	return 0;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	64	}
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	65	/*
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	66	int TranslateBaudeRate(char* optarg){
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	67	if(!strcmp( optarg, "1M")) return 1000;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	68	if(!strcmp( optarg, "500K")) return 500;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	69	if(!strcmp( optarg, "250K")) return 250;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	70	if(!strcmp( optarg, "125K")) return 125;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	71	if(!strcmp( optarg, "100K")) return 100;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	72	if(!strcmp( optarg, "50K")) return 50;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	73	if(!strcmp( optarg, "20K")) return 20;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	74	if(!strcmp( optarg, "10K")) return 10;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	75	if(!strcmp( optarg, "5K")) return 5;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	76	if(!strcmp( optarg, "none")) return 0;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	77	return 0;
e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	78	}*/
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	79	/***************************************************************************/
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	80	CAN_HANDLE canOpen_driver(s_BOARD *board)
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	81	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	82	int i;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	83	for(i=0; i < MAX_NB_CAN_PIPES; i++)
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	84	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	85	if(!canpipes[i].used)
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	86	break;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	87	}
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	88
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	89	/* Create the pipe. */
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	90	if (i==MAX_NB_CAN_PIPES \|\| pipe(canpipes[i].pipe))
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	91	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	92	fprintf (stderr, "Open failed.\n");
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	93	return (CAN_HANDLE)NULL;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	94	}
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	95
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	96	canpipes[i].used = 1;
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	97	return (CAN_HANDLE) &canpipes[i];
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	98	}
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	99
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	100	/***************************************************************************/
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	101	int canClose_driver(CAN_HANDLE fd0)
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	102	{
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	103	close(((CANPipe*)fd0)->pipe[0]);
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	104	close(((CANPipe*)fd0)->pipe[1]);
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	105	((CANPipe*)fd0)->used = 0;
145 e747d2e26af0 Win32 Native support and dynamicaly loaded CAN drivers for Linux, Cygwin and Win32. etisserant parents: 0 diff changeset	106	return 0;
0 4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	107	}
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	108
4472ee7c6c3e Commit a new cvs repo. etisserant parents: diff changeset	109

author	etisserant
	Wed, 04 Apr 2007 13:04:31 +0200
changeset 145	e747d2e26af0
parent 0	4472ee7c6c3e
child 157	8b45ff4202c3
permissions	-rw-r--r--