examples/mini/mini.c
author Patrick Bruenn <p.bruenn@beckhoff.com>
Tue, 12 Apr 2016 11:17:36 +0200
branchstable-1.5
changeset 2654 b3f6b3e5ef29
parent 2421 bc2d4bf9cbe5
child 2696 2b072c95b34c
permissions -rw-r--r--
devices/ccat: revert "limit rx processing to one frame per poll"

revert "limit rx processing to one frame per poll", which caused etherlab
frame timeouts in setups with more than one frame per cycle.
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/******************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
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 *
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 *  This file is part of the IgH EtherCAT Master.
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 *
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 *  The IgH EtherCAT Master is free software; you can redistribute it and/or
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 *  modify it under the terms of the GNU General Public License version 2, as
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 *  published by the Free Software Foundation.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
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 *  Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License along
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 *  with the IgH EtherCAT Master; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 *  ---
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 *
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 *  The license mentioned above concerns the source code only. Using the
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 *  EtherCAT technology and brand is only permitted in compliance with the
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 *  industrial property and similar rights of Beckhoff Automation GmbH.
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 *
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 *****************************************************************************/
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#include <linux/version.h>
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#include <linux/module.h>
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#include <linux/timer.h>
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#include <linux/interrupt.h>
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#include <linux/err.h>
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34)
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#include <linux/slab.h>
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 27)
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#include <linux/semaphore.h>
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#else
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#include <asm/semaphore.h>
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#endif
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#include "../../include/ecrt.h" // EtherCAT realtime interface
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/*****************************************************************************/
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// Module parameters
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#define FREQUENCY 100
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// Optional features
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#define CONFIGURE_PDOS  1
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#define EL3152_ALT_PDOS 0
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#define EXTERNAL_MEMORY 1
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#define SDO_ACCESS      0
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#define VOE_ACCESS      0
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#define PFX "ec_mini: "
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/*****************************************************************************/
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// EtherCAT
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static ec_master_t *master = NULL;
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static ec_master_state_t master_state = {};
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struct semaphore master_sem;
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static ec_domain_t *domain1 = NULL;
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static ec_domain_state_t domain1_state = {};
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static ec_slave_config_t *sc_ana_in = NULL;
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static ec_slave_config_state_t sc_ana_in_state = {};
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// Timer
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static struct timer_list timer;
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/*****************************************************************************/
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// process data
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static uint8_t *domain1_pd; // process data memory
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#define AnaInSlavePos  0, 2
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#define AnaOutSlavePos 0, 1
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#define DigOutSlavePos 0, 3
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#define Beckhoff_EL2004 0x00000002, 0x07D43052
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#define Beckhoff_EL3152 0x00000002, 0x0c503052
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#define Beckhoff_EL4102 0x00000002, 0x10063052
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// offsets for PDO entries
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static unsigned int off_ana_in;
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static unsigned int off_ana_out;
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static unsigned int off_dig_out;
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const static ec_pdo_entry_reg_t domain1_regs[] = {
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#if EL3152_ALT_PDOS
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    {AnaInSlavePos,  Beckhoff_EL3152, 0x6401, 1, &off_ana_in},
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#else
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    {AnaInSlavePos,  Beckhoff_EL3152, 0x3101, 2, &off_ana_in},
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#endif
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    {AnaOutSlavePos, Beckhoff_EL4102, 0x3001, 1, &off_ana_out},
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    {DigOutSlavePos, Beckhoff_EL2004, 0x3001, 1, &off_dig_out},
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    {}
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};
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static unsigned int counter = 0;
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static unsigned int blink = 0;
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/*****************************************************************************/
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#if CONFIGURE_PDOS
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// Analog in --------------------------
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static ec_pdo_entry_info_t el3152_pdo_entries[] = {
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    {0x3101, 1,  8}, // channel 1 status
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    {0x3101, 2, 16}, // channel 1 value
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    {0x3102, 1,  8}, // channel 2 status
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    {0x3102, 2, 16}, // channel 2 value
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    {0x6401, 1, 16}, // channel 1 value (alt.)
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    {0x6401, 2, 16}  // channel 2 value (alt.)
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};
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#if EL3152_ALT_PDOS
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static ec_pdo_info_t el3152_pdos[] = {
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    {0x1A10, 2, el3152_pdo_entries + 4},
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};
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static ec_sync_info_t el3152_syncs[] = {
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    {2, EC_DIR_OUTPUT},
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    {3, EC_DIR_INPUT, 1, el3152_pdos},
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    {0xff}
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};
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#else
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static ec_pdo_info_t el3152_pdos[] = {
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    {0x1A00, 2, el3152_pdo_entries},
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    {0x1A01, 2, el3152_pdo_entries + 2}
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};
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static ec_sync_info_t el3152_syncs[] = {
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    {2, EC_DIR_OUTPUT},
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    {3, EC_DIR_INPUT, 1, el3152_pdos},
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    {0xff}
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};
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#endif
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// Analog out -------------------------
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static ec_pdo_entry_info_t el4102_pdo_entries[] = {
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    {0x3001, 1, 16}, // channel 1 value
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    {0x3002, 1, 16}, // channel 2 value
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};
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static ec_pdo_info_t el4102_pdos[] = {
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    {0x1600, 1, el4102_pdo_entries},
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    {0x1601, 1, el4102_pdo_entries + 1}
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};
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static ec_sync_info_t el4102_syncs[] = {
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    {2, EC_DIR_OUTPUT, 2, el4102_pdos},
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    {3, EC_DIR_INPUT},
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    {0xff}
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};
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// Digital out ------------------------
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static ec_pdo_entry_info_t el2004_channels[] = {
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    {0x3001, 1, 1}, // Value 1
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    {0x3001, 2, 1}, // Value 2
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    {0x3001, 3, 1}, // Value 3
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    {0x3001, 4, 1}  // Value 4
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};
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static ec_pdo_info_t el2004_pdos[] = {
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    {0x1600, 1, &el2004_channels[0]},
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    {0x1601, 1, &el2004_channels[1]},
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    {0x1602, 1, &el2004_channels[2]},
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    {0x1603, 1, &el2004_channels[3]}
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};
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static ec_sync_info_t el2004_syncs[] = {
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    {0, EC_DIR_OUTPUT, 4, el2004_pdos},
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    {1, EC_DIR_INPUT},
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    {0xff}
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};
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#endif
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/*****************************************************************************/
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#if SDO_ACCESS
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static ec_sdo_request_t *sdo;
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#endif
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#if VOE_ACCESS
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static ec_voe_handler_t *voe;
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#endif
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/*****************************************************************************/
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void check_domain1_state(void)
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{
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    ec_domain_state_t ds;
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    down(&master_sem);
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    ecrt_domain_state(domain1, &ds);
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    up(&master_sem);
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    if (ds.working_counter != domain1_state.working_counter)
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        printk(KERN_INFO PFX "Domain1: WC %u.\n", ds.working_counter);
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    if (ds.wc_state != domain1_state.wc_state)
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        printk(KERN_INFO PFX "Domain1: State %u.\n", ds.wc_state);
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    domain1_state = ds;
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}
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/*****************************************************************************/
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void check_master_state(void)
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{
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    ec_master_state_t ms;
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    down(&master_sem);
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    ecrt_master_state(master, &ms);
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    up(&master_sem);
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    if (ms.slaves_responding != master_state.slaves_responding)
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        printk(KERN_INFO PFX "%u slave(s).\n", ms.slaves_responding);
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    if (ms.al_states != master_state.al_states)
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        printk(KERN_INFO PFX "AL states: 0x%02X.\n", ms.al_states);
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    if (ms.link_up != master_state.link_up)
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        printk(KERN_INFO PFX "Link is %s.\n", ms.link_up ? "up" : "down");
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    master_state = ms;
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}
220
342ad851ec78 Added examples directory.
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/*****************************************************************************/
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void check_slave_config_states(void)
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{
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    ec_slave_config_state_t s;
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    down(&master_sem);
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    ecrt_slave_config_state(sc_ana_in, &s);
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    up(&master_sem);
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    if (s.al_state != sc_ana_in_state.al_state)
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        printk(KERN_INFO PFX "AnaIn: State 0x%02X.\n", s.al_state);
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    if (s.online != sc_ana_in_state.online)
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        printk(KERN_INFO PFX "AnaIn: %s.\n", s.online ? "online" : "offline");
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    if (s.operational != sc_ana_in_state.operational)
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        printk(KERN_INFO PFX "AnaIn: %soperational.\n",
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                s.operational ? "" : "Not ");
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    sc_ana_in_state = s;
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}
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/*****************************************************************************/
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#if SDO_ACCESS
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void read_sdo(void)
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{
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    switch (ecrt_sdo_request_state(sdo)) {
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        case EC_REQUEST_UNUSED: // request was not used yet
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            ecrt_sdo_request_read(sdo); // trigger first read
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            break;
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        case EC_REQUEST_BUSY:
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6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again;
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parents: 858
diff changeset
   268
            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
   269
            break;
1209
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   270
        case EC_REQUEST_SUCCESS:
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   271
            printk(KERN_INFO PFX "SDO value: 0x%04X\n",
861
6e3de145421a Introduced ec_sdo_request_state_t, making ec_request_t private again;
Florian Pose <fp@igh-essen.com>
parents: 858
diff changeset
   272
                    EC_READ_U16(ecrt_sdo_request_data(sdo)));
867
93a0180ee938 Minor changes.
Florian Pose <fp@igh-essen.com>
parents: 861
diff changeset
   273
            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
   274
            break;
1209
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   275
        case EC_REQUEST_ERROR:
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   276
            printk(KERN_INFO PFX "Failed to read SDO!\n");
867
93a0180ee938 Minor changes.
Florian Pose <fp@igh-essen.com>
parents: 861
diff changeset
   277
            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
   278
            break;
69122084d066 Basic reading realtime Sdo access working.
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parents: 851
diff changeset
   279
    }
69122084d066 Basic reading realtime Sdo access working.
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parents: 851
diff changeset
   280
}
69122084d066 Basic reading realtime Sdo access working.
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parents: 851
diff changeset
   281
#endif
69122084d066 Basic reading realtime Sdo access working.
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diff changeset
   282
69122084d066 Basic reading realtime Sdo access working.
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parents: 851
diff changeset
   283
/*****************************************************************************/
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parents: 851
diff changeset
   284
1209
8be462afb7f4 Added VoE handler.
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parents: 1179
diff changeset
   285
#if VOE_ACCESS
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   286
void read_voe(void)
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   287
{
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   288
    switch (ecrt_voe_handler_execute(voe)) {
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   289
        case EC_REQUEST_UNUSED:
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   290
            ecrt_voe_handler_read(voe); // trigger first read
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   291
            break;
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   292
        case EC_REQUEST_BUSY:
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   293
            printk(KERN_INFO PFX "VoE read still busy...\n");
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   294
            break;
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   295
        case EC_REQUEST_SUCCESS:
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   296
            printk(KERN_INFO PFX "VoE received.\n");
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   297
            // get data via ecrt_voe_handler_data(voe)
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   298
            ecrt_voe_handler_read(voe); // trigger next read
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   299
            break;
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   300
        case EC_REQUEST_ERROR:
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   301
            printk(KERN_INFO PFX "Failed to read VoE data!\n");
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   302
            ecrt_voe_handler_read(voe); // retry reading
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   303
            break;
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   304
    }
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   305
}
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   306
#endif
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   307
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   308
/*****************************************************************************/
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   309
820
f8e6f5966cce Cleaned up mini module.
Florian Pose <fp@igh-essen.com>
parents: 818
diff changeset
   310
void cyclic_task(unsigned long data)
f8e6f5966cce Cleaned up mini module.
Florian Pose <fp@igh-essen.com>
parents: 818
diff changeset
   311
{
818
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   312
    // receive process data
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1378
diff changeset
   313
    down(&master_sem);
325
7833cf70c4f2 VERSION 1.1: New realtime interface, only state machines.
Florian Pose <fp@igh-essen.com>
parents: 280
diff changeset
   314
    ecrt_master_receive(master);
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   315
    ecrt_domain_process(domain1);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1378
diff changeset
   316
    up(&master_sem);
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   317
818
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   318
    // check process data state (optional)
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   319
    check_domain1_state();
512
24292123d174 Shorter critical sections in examples.
Florian Pose <fp@igh-essen.com>
parents: 509
diff changeset
   320
24292123d174 Shorter critical sections in examples.
Florian Pose <fp@igh-essen.com>
parents: 509
diff changeset
   321
    if (counter) {
24292123d174 Shorter critical sections in examples.
Florian Pose <fp@igh-essen.com>
parents: 509
diff changeset
   322
        counter--;
858
69122084d066 Basic reading realtime Sdo access working.
Florian Pose <fp@igh-essen.com>
parents: 851
diff changeset
   323
    } else { // do this at 1 Hz
512
24292123d174 Shorter critical sections in examples.
Florian Pose <fp@igh-essen.com>
parents: 509
diff changeset
   324
        counter = FREQUENCY;
818
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   325
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   326
        // calculate new process data
512
24292123d174 Shorter critical sections in examples.
Florian Pose <fp@igh-essen.com>
parents: 509
diff changeset
   327
        blink = !blink;
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   328
818
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   329
        // check for master state (optional)
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   330
        check_master_state();
1022
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 909
diff changeset
   331
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 909
diff changeset
   332
        // check for islave configuration state(s) (optional)
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 909
diff changeset
   333
        check_slave_config_states();
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 1975
diff changeset
   334
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   335
#if SDO_ACCESS
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   336
        // read process data SDO
858
69122084d066 Basic reading realtime Sdo access working.
Florian Pose <fp@igh-essen.com>
parents: 851
diff changeset
   337
        read_sdo();
69122084d066 Basic reading realtime Sdo access working.
Florian Pose <fp@igh-essen.com>
parents: 851
diff changeset
   338
#endif
1209
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   339
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   340
#if VOE_ACCESS
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   341
        read_voe();
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   342
#endif
818
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   343
    }
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   344
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   345
    // write process data
846
19248bbf9308 Cross blinking.
Florian Pose <fp@igh-essen.com>
parents: 820
diff changeset
   346
    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
   347
b6c87ae254c9 Calculate expected working counter for domains.
Florian Pose <fp@igh-essen.com>
parents: 814
diff changeset
   348
    // send process data
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1378
diff changeset
   349
    down(&master_sem);
509
87baea61d0c7 Adjusted examples to 1.2.0 interface changes.
Florian Pose <fp@igh-essen.com>
parents: 472
diff changeset
   350
    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
   351
    ecrt_master_send(master);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1378
diff changeset
   352
    up(&master_sem);
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   353
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   354
    // restart timer
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   355
    timer.expires += HZ / FREQUENCY;
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   356
    add_timer(&timer);
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   357
}
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   358
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
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   361
void send_callback(void *cb_data)
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   362
{
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   363
    ec_master_t *m = (ec_master_t *) cb_data;
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   364
    down(&master_sem);
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   365
    ecrt_master_send_ext(m);
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   366
    up(&master_sem);
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   367
}
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   368
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   369
/*****************************************************************************/
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   370
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   371
void receive_callback(void *cb_data)
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   372
{
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   373
    ec_master_t *m = (ec_master_t *) cb_data;
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   374
    down(&master_sem);
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   375
    ecrt_master_receive(m);
1500
ed1a733efbc5 Improved the callback mechanism.
Florian Pose <fp@igh-essen.com>
parents: 1378
diff changeset
   376
    up(&master_sem);
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
int __init init_mini_module(void)
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
{
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1212
diff changeset
   383
    int ret = -1;
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   384
#if CONFIGURE_PDOS
792
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 654
diff changeset
   385
    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
   386
#endif
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   387
#if EXTERNAL_MEMORY
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   388
    unsigned int size;
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   389
#endif
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 1975
diff changeset
   390
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   391
    printk(KERN_INFO PFX "Starting...\n");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   392
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1212
diff changeset
   393
    master = ecrt_request_master(0);
1378
1853f6c0b9b2 Removed IS_ERR() from minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1363
diff changeset
   394
    if (!master) {
2421
bc2d4bf9cbe5 Removed trailing spaces.
Florian Pose <fp@igh-essen.com>
parents: 1975
diff changeset
   395
        ret = -EBUSY;
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1212
diff changeset
   396
        printk(KERN_ERR PFX "Requesting master 0 failed.\n");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
        goto out_return;
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
    }
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
1579
326d47aa986c applied komax patch to version r1822
Martin Troxler <martin.troxler@komaxgroup.com>
parents: 1501
diff changeset
   400
    sema_init(&master_sem, 1);
1513
60ca68d853b8 Re-added callback data pointer, because it is necessary for some applications.
Florian Pose <fp@igh-essen.com>
parents: 1501
diff changeset
   401
    ecrt_master_callbacks(master, send_callback, receive_callback, master);
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   403
    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
   404
    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
   405
        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
   406
        goto out_release_master;
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   407
    }
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   408
1022
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 909
diff changeset
   409
    if (!(sc_ana_in = ecrt_master_slave_config(
1179
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   410
                    master, AnaInSlavePos, Beckhoff_EL3152))) {
1022
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 909
diff changeset
   411
        printk(KERN_ERR PFX "Failed to get slave configuration.\n");
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 909
diff changeset
   412
        goto out_release_master;
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 909
diff changeset
   413
    }
8e49b519e6ba Implemented ecrt_slave_config_state(); minor changes in
Florian Pose <fp@igh-essen.com>
parents: 909
diff changeset
   414
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   415
#if CONFIGURE_PDOS
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   416
    printk(KERN_INFO PFX "Configuring PDOs...\n");
1179
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   417
    if (ecrt_slave_config_pdos(sc_ana_in, EC_END, el3152_syncs)) {
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   418
        printk(KERN_ERR PFX "Failed to configure PDOs.\n");
1179
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   419
        goto out_release_master;
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   420
    }
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   421
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   422
    if (!(sc = ecrt_master_slave_config(
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   423
                    master, AnaOutSlavePos, Beckhoff_EL4102))) {
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   424
        printk(KERN_ERR PFX "Failed to get slave configuration.\n");
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   425
        goto out_release_master;
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   426
    }
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   427
c0e6adec1aee Added analog output to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1171
diff changeset
   428
    if (ecrt_slave_config_pdos(sc, EC_END, el4102_syncs)) {
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   429
        printk(KERN_ERR PFX "Failed to configure PDOs.\n");
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   430
        goto out_release_master;
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   431
    }
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   432
1080
088a61306930 Removed MSR example; adapted RTAI example; README files for examples.
Florian Pose <fp@igh-essen.com>
parents: 1061
diff changeset
   433
    if (!(sc = ecrt_master_slave_config(
088a61306930 Removed MSR example; adapted RTAI example; README files for examples.
Florian Pose <fp@igh-essen.com>
parents: 1061
diff changeset
   434
                    master, DigOutSlavePos, Beckhoff_EL2004))) {
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   435
        printk(KERN_ERR PFX "Failed to get slave configuration.\n");
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   436
        goto out_release_master;
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   437
    }
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   438
1082
ff06c58e269c Renamed ecrt_slave_config_sync_managers() to ecrt_slave_config_pdos();
Florian Pose <fp@igh-essen.com>
parents: 1080
diff changeset
   439
    if (ecrt_slave_config_pdos(sc, EC_END, el2004_syncs)) {
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   440
        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
   441
        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
   442
    }
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 654
diff changeset
   443
#endif
3778920f61e4 Implemented most realtime interface changes for version 1.4, improved
Florian Pose <fp@igh-essen.com>
parents: 654
diff changeset
   444
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   445
#if SDO_ACCESS
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   446
    printk(KERN_INFO PFX "Creating SDO requests...\n");
1026
021b8cdeb384 Minor changes to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1022
diff changeset
   447
    if (!(sdo = ecrt_slave_config_create_sdo_request(sc_ana_in, 0x3102, 2, 2))) {
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   448
        printk(KERN_ERR PFX "Failed to create SDO request.\n");
858
69122084d066 Basic reading realtime Sdo access working.
Florian Pose <fp@igh-essen.com>
parents: 851
diff changeset
   449
        goto out_release_master;
69122084d066 Basic reading realtime Sdo access working.
Florian Pose <fp@igh-essen.com>
parents: 851
diff changeset
   450
    }
1026
021b8cdeb384 Minor changes to minimal example.
Florian Pose <fp@igh-essen.com>
parents: 1022
diff changeset
   451
    ecrt_sdo_request_timeout(sdo, 500); // ms
858
69122084d066 Basic reading realtime Sdo access working.
Florian Pose <fp@igh-essen.com>
parents: 851
diff changeset
   452
#endif
69122084d066 Basic reading realtime Sdo access working.
Florian Pose <fp@igh-essen.com>
parents: 851
diff changeset
   453
1209
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   454
#if VOE_ACCESS
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   455
    printk(KERN_INFO PFX "Creating VoE handlers...\n");
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   456
    if (!(voe = ecrt_slave_config_create_voe_handler(sc_ana_in, 1000))) {
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   457
        printk(KERN_ERR PFX "Failed to create VoE handler.\n");
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   458
        goto out_release_master;
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   459
    }
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   460
#endif
8be462afb7f4 Added VoE handler.
Florian Pose <fp@igh-essen.com>
parents: 1179
diff changeset
   461
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   462
    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
   463
    if (ecrt_domain_reg_pdo_entry_list(domain1, domain1_regs)) {
1327
4d179b06dd3c merge -c1604 branches/stable-1.4: Fixed spelling of EtherCAT terms.
Florian Pose <fp@igh-essen.com>
parents: 1326
diff changeset
   464
        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
   465
        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
   466
    }
635
d304ef4af542 Implemented alternative PDO mapping configuration interface.
Florian Pose <fp@igh-essen.com>
parents: 612
diff changeset
   467
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   468
#if EXTERNAL_MEMORY
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   469
    if ((size = ecrt_domain_size(domain1))) {
820
f8e6f5966cce Cleaned up mini module.
Florian Pose <fp@igh-essen.com>
parents: 818
diff changeset
   470
        if (!(domain1_pd = (uint8_t *) kmalloc(size, GFP_KERNEL))) {
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   471
            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
   472
                    " memory!\n", size);
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   473
            goto out_release_master;
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   474
        }
820
f8e6f5966cce Cleaned up mini module.
Florian Pose <fp@igh-essen.com>
parents: 818
diff changeset
   475
        ecrt_domain_external_memory(domain1, domain1_pd);
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   476
    }
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   477
#endif
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   478
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   479
    printk(KERN_INFO PFX "Activating master...\n");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
    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
   481
        printk(KERN_ERR PFX "Failed to activate master!\n");
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   482
#if EXTERNAL_MEMORY
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   483
        goto out_free_process_data;
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   484
#else
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   485
        goto out_release_master;
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   486
#endif
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   487
    }
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   488
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   489
#if !EXTERNAL_MEMORY
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   490
    // Get internal process data for domain
820
f8e6f5966cce Cleaned up mini module.
Florian Pose <fp@igh-essen.com>
parents: 818
diff changeset
   491
    domain1_pd = ecrt_domain_data(domain1);
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   492
#endif
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   493
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   494
    printk(KERN_INFO PFX "Starting cyclic sample thread.\n");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
    init_timer(&timer);
820
f8e6f5966cce Cleaned up mini module.
Florian Pose <fp@igh-essen.com>
parents: 818
diff changeset
   496
    timer.function = cyclic_task;
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
    timer.expires = jiffies + 10;
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
    add_timer(&timer);
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   500
    printk(KERN_INFO PFX "Started.\n");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   501
    return 0;
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   502
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   503
#if EXTERNAL_MEMORY
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   504
out_free_process_data:
820
f8e6f5966cce Cleaned up mini module.
Florian Pose <fp@igh-essen.com>
parents: 818
diff changeset
   505
    kfree(domain1_pd);
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   506
#endif
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   507
out_release_master:
654
8278e1e27010 Minor changes in minimal example.
Florian Pose <fp@igh-essen.com>
parents: 643
diff changeset
   508
    printk(KERN_ERR PFX "Releasing master...\n");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   509
    ecrt_release_master(master);
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   510
out_return:
654
8278e1e27010 Minor changes in minimal example.
Florian Pose <fp@igh-essen.com>
parents: 643
diff changeset
   511
    printk(KERN_ERR PFX "Failed to load. Aborting.\n");
1239
b50b93faaf3e Used ERR_PTR() macro for return value of ecrt_request_master().
Florian Pose <fp@igh-essen.com>
parents: 1212
diff changeset
   512
    return ret;
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   513
}
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   514
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   515
/*****************************************************************************/
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   516
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   517
void __exit cleanup_mini_module(void)
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   518
{
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   519
    printk(KERN_INFO PFX "Stopping...\n");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   520
449
3caf8ff4d8a2 Moved functionality of ecrt_master_deactivate() (now deprecated) to ecrt_master_release().
Florian Pose <fp@igh-essen.com>
parents: 446
diff changeset
   521
    del_timer_sync(&timer);
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   522
1171
de880622f253 Alternative Pdo assignment for el3162.
Florian Pose <fp@igh-essen.com>
parents: 1082
diff changeset
   523
#if EXTERNAL_MEMORY
820
f8e6f5966cce Cleaned up mini module.
Florian Pose <fp@igh-essen.com>
parents: 818
diff changeset
   524
    kfree(domain1_pd);
809
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   525
#endif
ec4ef8911824 External domain memory.
Florian Pose <fp@igh-essen.com>
parents: 799
diff changeset
   526
612
aede068f9a74 Introduced master status, ecrt_master_get_status(), tainted flag,
Florian Pose <fp@igh-essen.com>
parents: 551
diff changeset
   527
    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
   528
    ecrt_release_master(master);
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   529
654
8278e1e27010 Minor changes in minimal example.
Florian Pose <fp@igh-essen.com>
parents: 643
diff changeset
   530
    printk(KERN_INFO PFX "Unloading.\n");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
}
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
/*****************************************************************************/
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
MODULE_LICENSE("GPL");
512
24292123d174 Shorter critical sections in examples.
Florian Pose <fp@igh-essen.com>
parents: 509
diff changeset
   536
MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
24292123d174 Shorter critical sections in examples.
Florian Pose <fp@igh-essen.com>
parents: 509
diff changeset
   537
MODULE_DESCRIPTION("EtherCAT minimal test environment");
220
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   539
module_init(init_mini_module);
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
module_exit(cleanup_mini_module);
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
342ad851ec78 Added examples directory.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
/*****************************************************************************/