74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
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* ser2net - A program for allowing telnet connection to serial ports
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* Copyright (C) 2001-2016 Corey Minyard <minyard@acm.org>
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* Copyright (C) 2016 Michael Heimpold <mhei@heimpold.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef LED_H
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#define LED_H
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struct led_driver_s;
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struct led_s
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{
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struct led_s *next;
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char *name;
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struct led_driver_s *driver;
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void *drv_data;
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};
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struct led_driver_s {
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struct led_driver_s *next;
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const char *name;
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/* required: parse the parameters from config file */
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int (*init)(struct led_s *led, char *config, int lineno);
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/* optional, but required when drv_data is malloced in init */
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int (*free)(struct led_s *led);
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/* optional: called once during initialization, prepares the LED */
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int (*configure)(void *drv_data);
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/* required: called when data transfer should be signaled */
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int (*flash)(void *drv_data);
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/* optional: called during deinitialization, could switch the LED off */
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int (*deconfigure)(void *drv_data);
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};
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/* Initializes and registers all LED drivers */
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int led_driver_init(void);
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/* Callback to register a given LED driver in the system */
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int led_driver_register(struct led_driver_s *led_driver);
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/* Handle an LED config line */
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void handle_led(const char *name, char *cfg, int lineno);
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/* Search for a LED by name */
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struct led_s *find_led(const char *name);
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/* Free all registered LEDs in the system */
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void free_leds(void);
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/* Flash the given LED */
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int led_flash(struct led_s *led);
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#endif /* LED_H */
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