add tusbh_cdc_send, t usbh_cdc_receive

add cdc_serial_app for virtual com demo

1 files changed, 89 insertions, 0 deletions

diff --git a/demos/host/src/cdc_serial_app.c b/demos/host/src/cdc_serial_app.c
new file mode 100644
index 000000000..2a20b01d0
--- /dev/null
+++ b/demos/host/src/cdc_serial_app.c
@@ -0,0 +1,89 @@
+/**************************************************************************/
+/*!
+    @file     cdc_serial_app.c
+    @author   hathach (tinyusb.org)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2013, 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. Neither the name of the copyright holders 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 ''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 HOLDER 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 tinyusb stack.
+*/
+/**************************************************************************/
+
+#include "cdc_serial_app.h"
+
+#if TUSB_CFG_OS != TUSB_OS_NONE
+#include "app_os_prio.h"
+#endif
+
+#if TUSB_CFG_HOST_CDC
+
+#define QUEUE_SERIAL_DEPTH   100
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+OSAL_TASK_DEF(cdc_serial_task_def, "cdc serial app", cdc_serial_app_task, 128, CDC_SERIAL_APP_TASK_PRIO);
+OSAL_QUEUE_DEF(queue_def, QUEUE_SERIAL_DEPTH, uint8_t);
+
+static osal_queue_handle_t queue_hdl;
+static uint8_t buffer_in[64] TUSB_CFG_ATTR_USBRAM;
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// APPLICATION
+//--------------------------------------------------------------------+
+void cdc_serial_app_init(void)
+{
+  memclr_(buffer_in, sizeof(buffer_in));
+
+  ASSERT( TUSB_ERROR_NONE == osal_task_create(&cdc_serial_task_def), (void) 0 );
+  queue_hdl = osal_queue_create(&queue_def);
+  ASSERT_PTR( queue_hdl, (void) 0 );
+}
+
+//------------- main task -------------//
+OSAL_TASK_FUNCTION( cdc_serial_app_task ) (void* p_task_para)
+{
+  tusb_error_t error;
+  uint8_t c;
+
+  OSAL_TASK_LOOP_BEGIN
+
+  osal_queue_receive(queue_hdl, &c, OSAL_TIMEOUT_WAIT_FOREVER, &error);
+
+  printf("%c", c);
+
+  OSAL_TASK_LOOP_END
+}
+
+#endif