From 8dc2a7fa077b001b17d826bcfb687c51d461d914 Mon Sep 17 00:00:00 2001 From: Jérémy Dufour Date: Tue, 11 Mar 2008 17:30:56 +0100 Subject: * digital/io/src - add switch module to manage the jack and color selector. --- digital/io/src/main.c | 1 + digital/io/src/switch.h | 94 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 95 insertions(+) create mode 100644 digital/io/src/switch.h diff --git a/digital/io/src/main.c b/digital/io/src/main.c index 602688ef..9573991a 100644 --- a/digital/io/src/main.c +++ b/digital/io/src/main.c @@ -35,6 +35,7 @@ #endif /* HOST */ #include "asserv.h" /* Functions to control the asserv board */ +#include "switch.h" /* Manage switches (jack, color selector) */ /** * Initialize the main and all its subsystems. diff --git a/digital/io/src/switch.h b/digital/io/src/switch.h new file mode 100644 index 00000000..93492189 --- /dev/null +++ b/digital/io/src/switch.h @@ -0,0 +1,94 @@ +#ifndef switch_h +#define switch_h +/* switch.h */ +/* io - Input & Output with Artificial Intelligence (ai) support on AVR. {{{ + * + * Copyright (C) 2008 Dufour Jérémy + * + * APBTeam: + * Web: http://apbteam.org/ + * Email: team AT apbteam DOT org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * }}} */ + +/** + * @file Module to manage 'switchs'. For example, colors selector and jack. + */ + +#include "io.h" + +/** + * @defgroup SwitchConfiguration Configuration of the switch module. + * You can change the value of the defines and variables of this group to + * configure the module. + */ + +/** + * Color selector switch port. + */ +#define SWITCH_COLOR_PORT PORTC + +/** + * Color selector switch pin number of the port. + */ +#define SWITCH_COLOR_PIN 0 + +/** + * Jack switch port. + */ +#define SWITCH_JACK_PORT PORTC + +/** + * Jack switch pin number of the port. + */ +#define SWITCH_JACK_PIN 1 + +/** @} */ + +/** + * Initialize the switch module. + * This functions just put the pins in input direction and enable pull-ups. + */ +inline void +switch_init (void) +{ + /* By default, all pins are in input direction */ + /* Enable the pull-ups */ +#define set_bit(port, bit) (port |= _BV(bit)) + set_bit (SWITCH_COLOR_PORT, SWITCH_COLOR_PIN); + set_bit (SWITCH_JACK_PORT, SWITCH_JACK_PIN); +} + +/** + * Get the current state of the select colors switch. + */ +inline uint8_t +switch_get_color (void) +{ + return bit_is_set (SWITCH_COLOR_PORT, SWITCH_COLOR_PIN); +} + +/** + * Get the current state of the jack switch. + */ +inline uint8_t +switch_get_jack (void) +{ + return bit_is_set (SWITCH_JACK_PORT, SWITCH_JACK_PIN); +} + +#endif /* switch_h */ -- cgit v1.2.3