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authorFlorent Duchon2013-04-02 17:38:46 +0200
committerFlorent Duchon2013-04-02 20:46:43 +0200
commitc64b1a2a12dc4931670eda71d59ddff80a449ede (patch)
treebd40725a9c8be74ca2c3d3292c670e14744329b8 /digital
parent60bdd598363160fcb774866383037cd72d8673cd (diff)
digital/beacon: add buttons support for lol-v2 hardware
Diffstat (limited to 'digital')
-rw-r--r--digital/beacon/src/buttons.c74
-rw-r--r--digital/beacon/src/buttons.h41
2 files changed, 115 insertions, 0 deletions
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