From 27b7177adf935135af60b935fe0701f7210ed3f7 Mon Sep 17 00:00:00 2001
From: arighi <arighi@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Sat, 17 Apr 2010 15:04:24 +0000
Subject: [PATCH] lm3s1968: add keypad driver implementation to the example.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3447 38d2e660-2303-0410-9eaa-f027e97ec537
---
 examples/lm3s1968/hw/hw_kbd.h  | 66 ++++++++++++++++++++++++++++++++
 examples/lm3s1968/hw/kbd_map.h | 69 ++++++++++++++++++++++++++++++++++
 2 files changed, 135 insertions(+)
 create mode 100644 examples/lm3s1968/hw/hw_kbd.h
 create mode 100644 examples/lm3s1968/hw/kbd_map.h

diff --git a/examples/lm3s1968/hw/hw_kbd.h b/examples/lm3s1968/hw/hw_kbd.h
new file mode 100644
index 00000000..10562f79
--- /dev/null
+++ b/examples/lm3s1968/hw/hw_kbd.h
@@ -0,0 +1,66 @@
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \brief LM3S1968 keypad: hardware-specific definitions
+ *
+ * \author Andrea Righi <arighi@develer.com>
+ */
+
+#ifndef HW_KBD_H
+#define HW_KBD_H
+
+#include <cfg/macros.h> /* BV() */
+#include <io/lm3s.h> /* GPIO_PORTG_BASE */
+#include <drv/gpio_lm3s.h> /* lm3s_gpioPinConfig() / lm3s_gpioPinRead() */
+#include "hw/kbd_map.h"
+
+#define K_RPT_MASK (K_UP | K_DOWN | K_LEFT | K_RIGHT | K_OK)
+
+#define KBD_HW_INIT					\
+	do {						\
+		lm3s_gpioPinConfig(GPIO_PORTG_BASE,	\
+			K_RPT_MASK,			\
+			GPIO_DIR_MODE_IN,		\
+			GPIO_STRENGTH_2MA,		\
+			GPIO_PIN_TYPE_STD_WPU);		\
+	} while (0)
+
+/**
+ * Read the keyboard ports and return the mask of depressed keys.
+ */
+INLINE keymask_t kbd_readkeys(void)
+{
+	return ~lm3s_gpioPinRead(GPIO_PORTG_BASE,
+		K_UP | K_DOWN | K_LEFT | K_RIGHT | K_OK);
+}
+
+#endif /* HW_KBD_H */
diff --git a/examples/lm3s1968/hw/kbd_map.h b/examples/lm3s1968/hw/kbd_map.h
new file mode 100644
index 00000000..a8efc919
--- /dev/null
+++ b/examples/lm3s1968/hw/kbd_map.h
@@ -0,0 +1,69 @@
+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2003, 2004, 2005, 2006, 2008 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2000 Bernie Innocenti
+ * All Rights Reserved.
+ * -->
+ *
+ * \brief Keyboard map definitions.
+ *
+ * \version $Id$
+ *
+ * \author Francesco Sacchi <batt@develer.com>
+ * \author Stefano Fedrigo <a@develer.com>
+ */
+
+#ifndef HW_KBD_MAP_H
+#define HW_KBD_MAP_H
+
+#include <cfg/macros.h>
+
+/**
+ * Type for keyboard mask.
+ */
+typedef uint16_t keymask_t;
+
+/**
+ * \name Keycodes.
+ */
+/*@{*/
+#define K_UP       BV(3)
+#define K_DOWN     BV(4)
+#define K_LEFT     BV(5)
+#define K_RIGHT    BV(6)
+#define K_OK       BV(7)
+
+#define K_REPEAT   BV(13) /**< This is a repeated keyevent. */
+#define K_TIMEOUT  BV(14) /**< Fake key event for timeouts. */
+#define K_LONG     BV(15)
+/*@}*/
+
+#define K_LNG_MASK 0
+
+#endif /* HW_KBD_MAP_H */
-- 
2.25.1