etherlabmaster: examples/mini/mini.c@90bcaf9ce3d5 (annotated)

220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	1	/******************************************************************************
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	2	*
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	3	* $Id$
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	4	*
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	5	* Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	6	*
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	7	* This file is part of the IgH EtherCAT Master.
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	8	*
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	9	* The IgH EtherCAT Master is free software; you can redistribute it
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	10	* and/or modify it under the terms of the GNU General Public License
246 0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	11	* as published by the Free Software Foundation; either version 2 of the
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	12	* License, or (at your option) any later version.
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	13	*
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	14	* The IgH EtherCAT Master is distributed in the hope that it will be
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	15	* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	17	* GNU General Public License for more details.
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	18	*
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	19	* You should have received a copy of the GNU General Public License
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	20	* along with the IgH EtherCAT Master; if not, write to the Free Software
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	21	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	22	*
246 0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	23	* The right to use EtherCAT Technology is granted and comes free of
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	24	* charge under condition of compatibility of product made by
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	25	* Licensee. People intending to distribute/sell products based on the
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	26	* code, have to sign an agreement to guarantee that products using
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	27	* software based on IgH EtherCAT master stay compatible with the actual
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	28	* EtherCAT specification (which are released themselves as an open
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	29	* standard) as the (only) precondition to have the right to use EtherCAT
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	30	* Technology, IP and trade marks.
0bf7c769de06 Changed license headers and added EtherCAT license notice. Florian Pose <fp@igh-essen.com> parents: 226 diff changeset	31	*
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	32	*****************************************************************************/
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	33
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	34	#include <linux/module.h>
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	35	#include <linux/timer.h>
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	36	#include <linux/spinlock.h>
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	37	#include <linux/interrupt.h>
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	38
223 daa5e5656b35 Applied new path information to example modules. Florian Pose <fp@igh-essen.com> parents: 220 diff changeset	39	#include "../../include/ecrt.h" // EtherCAT realtime interface
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	40
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	41	/*****************************************************************************/
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	42
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	43	// Module parameters
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	44	#define FREQUENCY 100
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	45
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	46	// Optional features
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	47	#define CONFIGURE_PDOS
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	48	#define EXTERNAL_MEMORY
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	49	#define SDO_ACCESS
457 2b4ba84b6058 Minor changes to minimal example. Florian Pose <fp@igh-essen.com> parents: 454 diff changeset	50
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	51	#define PFX "ec_mini: "
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	52
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	53	/*****************************************************************************/
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	54
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	55	// EtherCAT
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	56	static ec_master_t *master = NULL;
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	57	static ec_master_state_t master_state = {};
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	58	spinlock_t master_lock = SPIN_LOCK_UNLOCKED;
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	59
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	60	static ec_domain_t *domain1 = NULL;
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	61	static ec_domain_state_t domain1_state = {};
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	62
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	63	static struct timer_list timer;
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	64	static unsigned int counter = 0;
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	65
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	66	/*****************************************************************************/
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	67
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	68	// process data
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	69	static uint8_t *domain1_pd; // process data memory
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	70
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	71	static unsigned int off_ana_in; // offsets for Pdo entries
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	72	static unsigned int off_dig_out;
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	73
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	74	static unsigned int blink = 0;
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	75
909 3b3087d4cdc5 Removed ecdb.h Florian Pose <fp@igh-essen.com> parents: 880 diff changeset	76	#define Beckhoff_EL2004 0x00000002, 0x07D43052
3b3087d4cdc5 Removed ecdb.h Florian Pose <fp@igh-essen.com> parents: 880 diff changeset	77	#define Beckhoff_EL3162 0x00000002, 0x0C5A3052
3b3087d4cdc5 Removed ecdb.h Florian Pose <fp@igh-essen.com> parents: 880 diff changeset	78
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	79	const static ec_pdo_entry_reg_t domain1_regs[] = {
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	80	{0, 1, Beckhoff_EL3162, 0x3101, 2, &off_ana_in},
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	81	{0, 3, Beckhoff_EL2004, 0x3001, 1, &off_dig_out},
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	82	{}
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	83	};
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	84
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	85	/*****************************************************************************/
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	86
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	87	#ifdef CONFIGURE_PDOS
851 2bb18adcd204 Removed 'const' from Pdo configuration entries. Florian Pose <fp@igh-essen.com> parents: 846 diff changeset	88	static ec_pdo_entry_info_t el3162_channel1[] = {
793 3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	89	{0x3101, 1, 8}, // status
3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	90	{0x3101, 2, 16} // value
3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	91	};
3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	92
851 2bb18adcd204 Removed 'const' from Pdo configuration entries. Florian Pose <fp@igh-essen.com> parents: 846 diff changeset	93	static ec_pdo_entry_info_t el3162_channel2[] = {
793 3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	94	{0x3102, 1, 8}, // status
3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	95	{0x3102, 2, 16} // value
3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	96	};
3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	97
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	98	static ec_pdo_info_t el3162_pdos[] = {
793 3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	99	{EC_DIR_INPUT, 0x1A00, 2, el3162_channel1},
3b297ff8284f Fixed Pdo configuration information providing. Florian Pose <fp@igh-essen.com> parents: 792 diff changeset	100	{EC_DIR_INPUT, 0x1A01, 2, el3162_channel2},
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	101	{EC_END}
792 3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	102	};
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	103
851 2bb18adcd204 Removed 'const' from Pdo configuration entries. Florian Pose <fp@igh-essen.com> parents: 846 diff changeset	104	static ec_pdo_entry_info_t el2004_channels[] = {
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	105	{0x3001, 1, 1}, // Value 1
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	106	{0x3001, 2, 1}, // Value 2
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	107	{0x3001, 3, 1}, // Value 3
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	108	{0x3001, 4, 1} // Value 4
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	109	};
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	110
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	111	static ec_pdo_info_t el2004_pdos[] = {
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	112	{EC_DIR_OUTPUT, 0x1600, 1, &el2004_channels[0]},
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	113	{EC_DIR_OUTPUT, 0x1601, 1, &el2004_channels[1]},
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	114	{EC_DIR_OUTPUT, 0x1602, 1, &el2004_channels[2]},
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	115	{EC_DIR_OUTPUT, 0x1603, 1, &el2004_channels[3]},
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	116	};
792 3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	117	#endif
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	118
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	119	/*****************************************************************************/
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	120
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	121	#ifdef SDO_ACCESS
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	122	static ec_sdo_request_t *sdo;
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	123	#endif
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	124
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	125	/*****************************************************************************/
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	126
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	127	void check_domain1_state(void)
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	128	{
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	129	ec_domain_state_t ds;
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	130
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	131	ecrt_domain_state(domain1, &ds);
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	132	if (ds.working_counter != domain1_state.working_counter)
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	133	printk(KERN_INFO PFX "domain1 working_counter changed to %u.\n",
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	134	ds.working_counter);
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	135
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	136	if (ds.wc_state != domain1_state.wc_state)
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	137	printk(KERN_INFO PFX "domain1 wc_state changed to %u.\n",
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	138	ds.wc_state);
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	139
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	140	domain1_state = ds;
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	141	}
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	142
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	143	/*****************************************************************************/
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	144
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	145	void check_master_state(void)
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	146	{
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	147	ec_master_state_t ms;
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	148
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	149	spin_lock(&master_lock);
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	150	ecrt_master_state(master, &ms);
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	151	spin_unlock(&master_lock);
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	152
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	153	if (ms.slaves_responding != master_state.slaves_responding) {
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	154	printk(KERN_INFO PFX "slaves_responding changed to %u.\n",
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	155	ms.slaves_responding);
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	156	}
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	157
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	158	master_state = ms;
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	159	}
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	160
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	161	/*****************************************************************************/
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	162
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	163	#ifdef SDO_ACCESS
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	164	void read_sdo(void)
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	165	{
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	166	switch (ecrt_sdo_request_state(sdo)) {
861 6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	167	case EC_SDO_REQUEST_UNUSED: // request was not used yet
880 f6212c54a5e3 Implemented Sdo timeout. Florian Pose <fp@igh-essen.com> parents: 879 diff changeset	168	ecrt_sdo_request_timeout(sdo, 500); // ms
867 93a0180ee938 Minor changes. Florian Pose <fp@igh-essen.com> parents: 861 diff changeset	169	ecrt_sdo_request_read(sdo); // trigger first read
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	170	break;
861 6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	171	case EC_SDO_REQUEST_BUSY:
6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	172	printk(KERN_INFO PFX "Still busy...\n");
6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	173	break;
6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	174	case EC_SDO_REQUEST_SUCCESS:
6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	175	printk(KERN_INFO PFX "Sdo value: 0x%04X\n",
6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	176	EC_READ_U16(ecrt_sdo_request_data(sdo)));
867 93a0180ee938 Minor changes. Florian Pose <fp@igh-essen.com> parents: 861 diff changeset	177	ecrt_sdo_request_read(sdo); // trigger next read
861 6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	178	break;
6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again; Florian Pose <fp@igh-essen.com> parents: 858 diff changeset	179	case EC_SDO_REQUEST_ERROR:
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	180	printk(KERN_INFO PFX "Failed to read Sdo!\n");
867 93a0180ee938 Minor changes. Florian Pose <fp@igh-essen.com> parents: 861 diff changeset	181	ecrt_sdo_request_read(sdo); // retry reading
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	182	break;
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	183	}
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	184	}
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	185	#endif
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	186
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	187	/*****************************************************************************/
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	188
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	189	void cyclic_task(unsigned long data)
f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	190	{
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	191	// receive process data
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	192	spin_lock(&master_lock);
325 7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines. Florian Pose <fp@igh-essen.com> parents: 280 diff changeset	193	ecrt_master_receive(master);
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	194	ecrt_domain_process(domain1);
512 24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	195	spin_unlock(&master_lock);
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	196
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	197	// check process data state (optional)
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	198	check_domain1_state();
512 24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	199
24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	200	if (counter) {
24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	201	counter--;
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	202	} else { // do this at 1 Hz
512 24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	203	counter = FREQUENCY;
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	204
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	205	// calculate new process data
512 24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	206	blink = !blink;
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	207
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	208	// check for master state (optional)
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	209	check_master_state();
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	210
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	211	#ifdef SDO_ACCESS
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	212	// read process data Sdo
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	213	read_sdo();
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	214	#endif
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	215	}
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	216
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	217	// write process data
846 19248bbf9308 Cross blinking. Florian Pose <fp@igh-essen.com> parents: 820 diff changeset	218	EC_WRITE_U8(domain1_pd + off_dig_out, blink ? 0x06 : 0x09);
818 b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	219
b6c87ae254c9 Calculate expected working counter for domains. Florian Pose <fp@igh-essen.com> parents: 814 diff changeset	220	// send process data
512 24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	221	spin_lock(&master_lock);
509 87baea61d0c7 Adjusted examples to 1.2.0 interface changes. Florian Pose <fp@igh-essen.com> parents: 472 diff changeset	222	ecrt_domain_queue(domain1);
325 7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines. Florian Pose <fp@igh-essen.com> parents: 280 diff changeset	223	ecrt_master_send(master);
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	224	spin_unlock(&master_lock);
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	225
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	226	// restart timer
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	227	timer.expires += HZ / FREQUENCY;
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	228	add_timer(&timer);
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	229	}
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	230
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	231	/*****************************************************************************/
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	232
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	233	int request_lock(void *data)
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	234	{
516 f703e33ee395 Adjusted examples to EtherLab starter kit hardware. Florian Pose <fp@igh-essen.com> parents: 513 diff changeset	235	spin_lock(&master_lock);
226 07247920a7ba EoE with workqueue; bugfix in ec_master_init() Florian Pose <fp@igh-essen.com> parents: 223 diff changeset	236	return 0; // access allowed
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	237	}
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	238
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	239	/*****************************************************************************/
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	240
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	241	void release_lock(void *data)
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	242	{
516 f703e33ee395 Adjusted examples to EtherLab starter kit hardware. Florian Pose <fp@igh-essen.com> parents: 513 diff changeset	243	spin_unlock(&master_lock);
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	244	}
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	245
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	246	/*****************************************************************************/
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	247
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	248	int __init init_mini_module(void)
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	249	{
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	250	#ifdef CONFIGURE_PDOS
792 3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	251	ec_slave_config_t *sc;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	252	#endif
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	253	#ifdef EXTERNAL_MEMORY
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	254	unsigned int size;
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	255	#endif
792 3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	256
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	257	printk(KERN_INFO PFX "Starting...\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	258
509 87baea61d0c7 Adjusted examples to 1.2.0 interface changes. Florian Pose <fp@igh-essen.com> parents: 472 diff changeset	259	if (!(master = ecrt_request_master(0))) {
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	260	printk(KERN_ERR PFX "Requesting master 0 failed!\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	261	goto out_return;
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	262	}
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	263
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	264	ecrt_master_callbacks(master, request_lock, release_lock, NULL);
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	265
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	266	printk(KERN_INFO PFX "Registering domain...\n");
509 87baea61d0c7 Adjusted examples to 1.2.0 interface changes. Florian Pose <fp@igh-essen.com> parents: 472 diff changeset	267	if (!(domain1 = ecrt_master_create_domain(master))) {
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	268	printk(KERN_ERR PFX "Domain creation failed!\n");
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	269	goto out_release_master;
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	270	}
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	271
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	272	#ifdef CONFIGURE_PDOS
9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	273	printk(KERN_INFO PFX "Configuring Pdos...\n");
792 3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	274	if (!(sc = ecrt_master_slave_config(master, 0, 1, Beckhoff_EL3162))) {
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	275	printk(KERN_ERR PFX "Failed to get slave configuration.\n");
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	276	goto out_release_master;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	277	}
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	278
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	279	if (ecrt_slave_config_pdos(sc, EC_END, el3162_pdos)) {
9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	280	printk(KERN_ERR PFX "Failed to configure Pdos.\n");
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	281	goto out_release_master;
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	282	}
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	283
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	284	if (!(sc = ecrt_master_slave_config(master, 0, 3, Beckhoff_EL2004))) {
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	285	printk(KERN_ERR PFX "Failed to get slave configuration.\n");
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	286	goto out_release_master;
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	287	}
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	288
879 9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	289	if (ecrt_slave_config_pdos(sc, 4, el2004_pdos)) {
9b395c5646ab Changed terms "Pdo mapping" -> "Pdo assignment" and "Pdo configuration" Florian Pose <fp@igh-essen.com> parents: 878 diff changeset	290	printk(KERN_ERR PFX "Failed to configure Pdos.\n");
792 3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	291	goto out_release_master;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	292	}
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	293	#endif
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	294
858 69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	295	#ifdef SDO_ACCESS
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	296	printk(KERN_INFO PFX "Creating Sdo requests...\n");
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	297	if (!(sc = ecrt_master_slave_config(master, 0, 1, Beckhoff_EL3162))) {
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	298	printk(KERN_ERR PFX "Failed to get slave configuration.\n");
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	299	goto out_release_master;
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	300	}
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	301
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	302	if (!(sdo = ecrt_slave_config_create_sdo_request(sc, 0x3102, 2, 2))) {
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	303	printk(KERN_ERR PFX "Failed to create Sdo request.\n");
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	304	goto out_release_master;
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	305	}
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	306	#endif
69122084d066 Basic reading realtime Sdo access working. Florian Pose <fp@igh-essen.com> parents: 851 diff changeset	307
814 a51f857b1b2d Renamed [PS]DO to [PS]do. Florian Pose <fp@igh-essen.com> parents: 809 diff changeset	308	printk(KERN_INFO PFX "Registering Pdo entries...\n");
792 3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	309	if (ecrt_domain_reg_pdo_entry_list(domain1, domain1_regs)) {
814 a51f857b1b2d Renamed [PS]DO to [PS]do. Florian Pose <fp@igh-essen.com> parents: 809 diff changeset	310	printk(KERN_ERR PFX "Pdo entry registration failed!\n");
792 3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	311	goto out_release_master;
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved Florian Pose <fp@igh-essen.com> parents: 654 diff changeset	312	}
635 d304ef4af542 Implemented alternative PDO mapping configuration interface. Florian Pose <fp@igh-essen.com> parents: 612 diff changeset	313
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	314	#ifdef EXTERNAL_MEMORY
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	315	if ((size = ecrt_domain_size(domain1))) {
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	316	if (!(domain1_pd = (uint8_t *) kmalloc(size, GFP_KERNEL))) {
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	317	printk(KERN_ERR PFX "Failed to allocate %u bytes of process data"
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	318	" memory!\n", size);
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	319	goto out_release_master;
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	320	}
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	321	ecrt_domain_external_memory(domain1, domain1_pd);
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	322	}
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	323	#endif
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	324
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	325	printk(KERN_INFO PFX "Activating master...\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	326	if (ecrt_master_activate(master)) {
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	327	printk(KERN_ERR PFX "Failed to activate master!\n");
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	328	#ifdef EXTERNAL_MEMORY
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	329	goto out_free_process_data;
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	330	#else
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	331	goto out_release_master;
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	332	#endif
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	333	}
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	334
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	335	#ifndef EXTERNAL_MEMORY
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	336	// Get internal process data for domain
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	337	domain1_pd = ecrt_domain_data(domain1);
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	338	#endif
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	339
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	340	printk(KERN_INFO PFX "Starting cyclic sample thread.\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	341	init_timer(&timer);
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	342	timer.function = cyclic_task;
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	343	timer.expires = jiffies + 10;
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	344	add_timer(&timer);
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	345
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	346	printk(KERN_INFO PFX "Started.\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	347	return 0;
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	348
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	349	#ifdef EXTERNAL_MEMORY
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	350	out_free_process_data:
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	351	kfree(domain1_pd);
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	352	#endif
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	353	out_release_master:
654 8278e1e27010 Minor changes in minimal example. Florian Pose <fp@igh-essen.com> parents: 643 diff changeset	354	printk(KERN_ERR PFX "Releasing master...\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	355	ecrt_release_master(master);
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	356	out_return:
654 8278e1e27010 Minor changes in minimal example. Florian Pose <fp@igh-essen.com> parents: 643 diff changeset	357	printk(KERN_ERR PFX "Failed to load. Aborting.\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	358	return -1;
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	359	}
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	360
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	361	/*****************************************************************************/
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	362
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	363	void __exit cleanup_mini_module(void)
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	364	{
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	365	printk(KERN_INFO PFX "Stopping...\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	366
449 3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release(). Florian Pose <fp@igh-essen.com> parents: 446 diff changeset	367	del_timer_sync(&timer);
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	368
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	369	#ifdef EXTERNAL_MEMORY
820 f8e6f5966cce Cleaned up mini module. Florian Pose <fp@igh-essen.com> parents: 818 diff changeset	370	kfree(domain1_pd);
809 ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	371	#endif
ec4ef8911824 External domain memory. Florian Pose <fp@igh-essen.com> parents: 799 diff changeset	372
612 aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag, Florian Pose <fp@igh-essen.com> parents: 551 diff changeset	373	printk(KERN_INFO PFX "Releasing master...\n");
449 3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release(). Florian Pose <fp@igh-essen.com> parents: 446 diff changeset	374	ecrt_release_master(master);
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	375
654 8278e1e27010 Minor changes in minimal example. Florian Pose <fp@igh-essen.com> parents: 643 diff changeset	376	printk(KERN_INFO PFX "Unloading.\n");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	377	}
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	378
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	379	/*****************************************************************************/
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	380
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	381	MODULE_LICENSE("GPL");
512 24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	382	MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
24292123d174 Shorter critical sections in examples. Florian Pose <fp@igh-essen.com> parents: 509 diff changeset	383	MODULE_DESCRIPTION("EtherCAT minimal test environment");
220 342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	384
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	385	module_init(init_mini_module);
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	386	module_exit(cleanup_mini_module);
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	387
342ad851ec78 Added examples directory. Florian Pose <fp@igh-essen.com> parents: diff changeset	388	/*****************************************************************************/

author	Florian Pose <fp@igh-essen.com>
	Tue, 10 Jun 2008 09:54:30 +0000
changeset 985	90bcaf9ce3d5
parent 909	3b3087d4cdc5
child 1022	8e49b519e6ba
permissions	-rw-r--r--