diff options
| -rw-r--r-- | bsp/mini2440/key.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/bsp/mini2440/key.c b/bsp/mini2440/key.c new file mode 100644 index 0000000000..688f371dee --- /dev/null +++ b/bsp/mini2440/key.c @@ -0,0 +1,131 @@ +/*
+ * File : key.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, RT-Thread Development Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rt-thread.org/license/LICENSE
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2007-11-20 Yi.Qiu add rtgui application
+ * 2008-6-28 Bernard no rtgui init
+ */
+
+/**
+ * @addtogroup mini2440
+ */
+/*@{*/
+
+#include <rtthread.h>
+#include <s3c24x0.h>
+
+#include <rtgui/event.h>
+#include <rtgui/rtgui_server.h>
+
+/*
+key_enter GPG0
+key_down GPG3
+key_up GPG5
+key_right GPG6
+key_left GPG7
+key_power GPG11
+*/
+#define key_enter_GETVALUE() (GPGDAT & (1 << 0))
+#define key_down_GETVALUE() (GPGDAT & (1 << 3))
+#define key_up_GETVALUE() (GPGDAT & (1 << 5))
+#define key_right_GETVALUE() (GPGDAT & (1 << 6))
+#define key_left_GETVALUE() (GPGDAT & (1 << 7))
+#define key_power_GETVALUE() (GPGDAT & (1 << 11))
+
+
+static void key_thread_entry(void *parameter)
+{
+ rt_time_t next_delay;
+ struct rtgui_event_kbd kbd_event;
+
+ /* init gpio configuration */
+ GPGCON = GPGCON & (~((3<<22)|(3<<6)|(3<<0)|(3<<10)|(3<<12)|(3<<14))) |
+ ((2<<22)|(2<<6)|(2<<0)|(2<<10)|(2<<12)|(2<<14));
+
+ /* init keyboard event */
+ RTGUI_EVENT_KBD_INIT(&kbd_event);
+ kbd_event.mod = RTGUI_KMOD_NONE;
+ kbd_event.unicode = 0;
+
+ while (1)
+ {
+ next_delay = 20;
+ kbd_event.key = RTGUIK_UNKNOWN;
+
+ kbd_event.type = RTGUI_KEYDOWN;
+ if ( key_enter_GETVALUE() == 0 )
+ {
+ rt_thread_delay(next_delay);
+ if (key_enter_GETVALUE() == 0)
+ {
+ /* HOME key */
+ rt_kprintf("key_home\n");
+ kbd_event.key = RTGUIK_HOME;
+ }
+ else
+ {
+ rt_kprintf("key_enter\n");
+ kbd_event.key = RTGUIK_RETURN;
+ }
+ }
+
+ if ( key_down_GETVALUE() == 0 )
+ {
+ rt_kprintf("key_down\n");
+ kbd_event.key = RTGUIK_DOWN;
+ }
+
+ if ( key_up_GETVALUE() == 0 )
+ {
+ rt_kprintf("key_up\n");
+ kbd_event.key = RTGUIK_UP;
+ }
+
+ if ( key_right_GETVALUE() == 0 )
+ {
+ rt_kprintf("key_right\n");
+ kbd_event.key = RTGUIK_RIGHT;
+ }
+
+ if ( key_left_GETVALUE() == 0 )
+ {
+ rt_kprintf("key_left\n");
+ kbd_event.key = RTGUIK_LEFT;
+ }
+
+ if (kbd_event.key != RTGUIK_UNKNOWN)
+ {
+ /* post down event */
+ rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
+
+ next_delay = 10;
+ /* delay to post up event */
+ rt_thread_delay(next_delay);
+
+ /* post up event */
+ kbd_event.type = RTGUI_KEYUP;
+ rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
+ }
+
+ /* wait next key press */
+ rt_thread_delay(next_delay);
+ }
+}
+
+void rt_hw_key_init()
+{
+ rt_thread_t key_tid;
+ key_tid = rt_thread_create("key",
+ key_thread_entry, RT_NULL,
+ 512, 30, 5);
+ if (key_tid != RT_NULL) rt_thread_startup(key_tid);
+}
+
+/*@}*/
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