move code in host demo to /src in prepare for support freeRTOS projects

demos/host/src/keyboard_app.c

@@ -0,0 +1,127 @@
+/*
+ * keyboard_app.c
+ *
+ *  Created on: Mar 24, 2013
+ *      Author: hathach
+ */
+
+/*
+ * Software License Agreement (BSD License)
+ * Copyright (c) 2012, hathach (tinyusb.org)
+ * All rights reserved.
+ *
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * This file is part of the tiny usb stack.
+ */
+
+//--------------------------------------------------------------------+
+// INCLUDE
+//--------------------------------------------------------------------+
+#include "keyboard_app.h"
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+#define QUEUE_KEYBOARD_REPORT_DEPTH   5
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+static tusb_keyboard_report_t usb_keyboard_report TUSB_CFG_ATTR_USBRAM;
+
+OSAL_QUEUE_DEF(queue_kbd_report, QUEUE_KEYBOARD_REPORT_DEPTH, tusb_keyboard_report_t);
+static osal_queue_handle_t q_kbd_report_hdl;
+
+// only convert a-z (case insensitive) +  0-9
+static inline uint8_t keycode_to_ascii(uint8_t keycode) ATTR_CONST ATTR_ALWAYS_INLINE;
+
+//--------------------------------------------------------------------+
+// tinyusb callback (ISR context)
+//--------------------------------------------------------------------+
+void tusbh_hid_keyboard_isr(uint8_t dev_addr, uint8_t instance_num, tusb_event_t event)
+{
+  switch(event)
+  {
+    case TUSB_EVENT_INTERFACE_OPEN: // application set-up
+      osal_queue_flush(q_kbd_report_hdl);
+      tusbh_hid_keyboard_get_report(dev_addr, instance_num, (uint8_t*) &usb_keyboard_report); // first report
+    break;
+
+    case TUSB_EVENT_INTERFACE_CLOSE: // application tear-down
+
+    break;
+
+    case TUSB_EVENT_XFER_COMPLETE:
+      osal_queue_send(q_kbd_report_hdl, &usb_keyboard_report);
+      tusbh_hid_keyboard_get_report(dev_addr, instance_num, (uint8_t*) &usb_keyboard_report);
+    break;
+
+    case TUSB_EVENT_XFER_ERROR:
+      tusbh_hid_keyboard_get_report(dev_addr, instance_num, (uint8_t*) &usb_keyboard_report); // ignore & continue
+    break;
+
+    default :
+    break;
+  }
+}
+
+//--------------------------------------------------------------------+
+// APPLICATION
+//--------------------------------------------------------------------+
+void keyboard_app_init(void)
+{
+  q_kbd_report_hdl = osal_queue_create(&queue_kbd_report);
+
+  // TODO keyboard_app_task create
+}
+
+//------------- main task -------------//
+OSAL_TASK_DECLARE( keyboard_app_task )
+{
+  tusb_error_t error;
+  tusb_keyboard_report_t kbd_report;
+
+  OSAL_TASK_LOOP_BEGIN
+
+  osal_queue_receive(q_kbd_report_hdl, &kbd_report, OSAL_TIMEOUT_WAIT_FOREVER, &error);
+
+  for(uint8_t i=0; i<6; i++)
+  {
+    if ( kbd_report.keycode[i] != 0 )
+      printf("%c", keycode_to_ascii(kbd_report.keycode[i]));
+  }
+
+  OSAL_TASK_LOOP_END
+}
+
+//--------------------------------------------------------------------+
+// HELPER
+//--------------------------------------------------------------------+
+static inline uint8_t keycode_to_ascii(uint8_t keycode)
+{
+  return
+      ( KEYBOARD_KEYCODE_a <= keycode && keycode <= KEYBOARD_KEYCODE_z) ? ( (keycode - KEYBOARD_KEYCODE_a) + 'a' ) :
+      ( KEYBOARD_KEYCODE_1 <= keycode && keycode < KEYBOARD_KEYCODE_0)  ? ( (keycode - KEYBOARD_KEYCODE_1) + '1' ) :
+      ( KEYBOARD_KEYCODE_0 == keycode)                                  ? '0' : 'x';
+}