lm3s1968: add keypad driver implementation to the example.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3447 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/examples/lm3s1968/hw/hw_kbd.h b/examples/lm3s1968/hw/hw_kbd.h
new file mode 100644 (file)
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+++ 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 (file)
index 0000000..a8efc91
--- /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 */