summaryrefslogtreecommitdiff
path: root/nuttx/examples/hidkbd/hidkbd_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'nuttx/examples/hidkbd/hidkbd_main.c')
-rw-r--r--nuttx/examples/hidkbd/hidkbd_main.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/nuttx/examples/hidkbd/hidkbd_main.c b/nuttx/examples/hidkbd/hidkbd_main.c
new file mode 100644
index 000000000..edcdcf375
--- /dev/null
+++ b/nuttx/examples/hidkbd/hidkbd_main.c
@@ -0,0 +1,172 @@
+/****************************************************************************
+ * examples/hidkbd/null_main.c
+ *
+ * Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sched.h>
+
+#include <nuttx/usb/usbhost.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+#ifndef CONFIG_EXAMPLES_HIDKBD_DEFPRIO
+# define CONFIG_EXAMPLES_HIDKBD_DEFPRIO 50
+#endif
+#ifndef CONFIG_EXAMPLES_HIDKBD_STACKSIZE
+# define CONFIG_EXAMPLES_HIDKBD_STACKSIZE 1024
+#endif
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static struct usbhost_driver_s *g_drvr;
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: hidkbd_waiter
+ *
+ * Description:
+ * Wait for USB devices to be connected.
+ *
+ ****************************************************************************/
+
+static int hidkbd_waiter(int argc, char *argv[])
+{
+ bool connected = false;
+ int ret;
+
+ printf("hidkbd_waiter: Running\n");
+ for (;;)
+ {
+ /* Wait for the device to change state */
+
+ ret = DRVR_WAIT(g_drvr, connected);
+ DEBUGASSERT(ret == OK);
+
+ connected = !connected;
+ printf("hidkbd_waiter: %s\n", connected ? "connected" : "disconnected");
+
+ /* Did we just become connected? */
+
+ if (connected)
+ {
+ /* Yes.. enumerate the newly connected device */
+
+ (void)DRVR_ENUMERATE(g_drvr);
+ }
+ }
+
+ /* Keep the compiler from complaining */
+
+ return 0;
+}
+
+/****************************************************************************
+ * Name: user_initialize
+ ****************************************************************************/
+
+void user_initialize(void)
+{
+}
+
+/****************************************************************************
+ * Name: user_start
+ ****************************************************************************/
+
+int user_start(int argc, char *argv[])
+{
+ pid_t pid;
+ int ret;
+
+ /* First, register all of the USB host HID keyboard class driver */
+
+ printf("user_start: Register class drivers\n");
+ ret = usbhost_storageinit();
+ if (ret != OK)
+ {
+ printf("user_start: Failed to register the KBD class\n");
+ }
+
+ /* Then get an instance of the USB host interface */
+
+ printf("user_start: Initialize USB host keyboard driver\n");
+ g_drvr = usbhost_initialize(0);
+ if (g_drvr)
+ {
+ /* Start a thread to handle device connection. */
+
+ printf("user_start: Start hidkbd_waiter\n");
+
+#ifndef CONFIG_CUSTOM_STACK
+ pid = task_create("usbhost", CONFIG_EXAMPLES_HIDKBD_DEFPRIO,
+ CONFIG_EXAMPLES_HIDKBD_STACKSIZE,
+ (main_t)hidkbd_waiter, (const char **)NULL);
+#else
+ pid = task_create("usbhost", CONFIG_EXAMPLES_HIDKBD_DEFPRIO,
+ (main_t)hidkbd_waiter, (const char **)NULL);
+#endif
+
+ /* Now just sleep. Eventually logic here will open the kbd device and
+ * perform the HID keyboard test.
+ */
+
+ for (;;)
+ {
+ sleep(5);
+ printf("user_start: Still running...\n");
+ }
+ }
+ return 0;
+}