From c64b1a2a12dc4931670eda71d59ddff80a449ede Mon Sep 17 00:00:00 2001 From: Florent Duchon Date: Tue, 2 Apr 2013 17:38:46 +0200 Subject: digital/beacon: add buttons support for lol-v2 hardware --- digital/beacon/src/buttons.c | 74 ++++++++++++++++++++++++++++++++++++++++++++ digital/beacon/src/buttons.h | 41 ++++++++++++++++++++++++ 2 files changed, 115 insertions(+) create mode 100644 digital/beacon/src/buttons.c create mode 100644 digital/beacon/src/buttons.h (limited to 'digital/beacon') diff --git a/digital/beacon/src/buttons.c b/digital/beacon/src/buttons.c new file mode 100644 index 00000000..4e6016e0 --- /dev/null +++ b/digital/beacon/src/buttons.c @@ -0,0 +1,74 @@ +/* buttons.c */ +/*lol-v2 buttons configuraiton. {{{ + * + * Copyright (C) 2013 Florent Duchon + * + * 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. + * + * }}} */ + +#include "buttons.h" + +/* This function initializes buttons */ +void buttons_init(void) +{ + /* PORTD 0->3 as inputs */ + DDRD |= 0x0F; + + /* Activate internal pull up */ + PORTD |= 0x0F; +} + +/* This function retuns the button state according to its number */ +TButton_state button_get_state(uint8_t number) +{ + TButton_state state; + + switch(number) + { + case 1: + if(!(PIND&0x08)) + state = BUTTON_PRESSED; + else + state = BUTTON_RELEASED; + break; + case 2: + if(!(PIND&0x04)) + state = BUTTON_PRESSED; + else + state = BUTTON_RELEASED; + break; + case 3: + if(!(PIND&0x02)) + state = BUTTON_PRESSED; + else + state = BUTTON_RELEASED; + break; + case 4: + if(!(PIND&0x01)) + state = BUTTON_PRESSED; + else + state = BUTTON_RELEASED; + break; + default: + /* do nothing */ + break; + } + return state; +} \ No newline at end of file diff --git a/digital/beacon/src/buttons.h b/digital/beacon/src/buttons.h new file mode 100644 index 00000000..a746c0c3 --- /dev/null +++ b/digital/beacon/src/buttons.h @@ -0,0 +1,41 @@ +/* buttons.c */ +/*lol-v2 buttons configuraiton. {{{ + * + * Copyright (C) 2013 Florent Duchon + * + * 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. + * + * }}} */ + +#ifndef _BUTTONS_H +#define _BUTTONS_H + +typedef enum +{ + BUTTON_PRESSED, + BUTTON_RELEASED +} TButton_state; + +/* This function initializes buttons */ +void buttons_init(void); + +/* This function retuns the button state according to its number */ +TButton_state button_get_state(uint8_t number); + +#endif -- cgit v1.2.3