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112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/**************************************************************************/
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/*!
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@file cdc_device_app.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#include "cdc_device_app.h"
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#if TUSB_CFG_DEVICE_CDC
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#include "common/fifo.h" // TODO refractor
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#include "app_os_prio.h"
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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enum { SERIAL_BUFFER_SIZE = 64 };
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// tinyusb callbacks
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//--------------------------------------------------------------------+
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void cdc_serial_app_mount(uint8_t port)
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{
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}
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void cdc_serial_app_umount(uint8_t port)
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{
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}
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void tud_cdc_rx_cb(uint8_t port)
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{
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}
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//--------------------------------------------------------------------+
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// APPLICATION CODE
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//--------------------------------------------------------------------+
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void cdc_serial_app_init(void)
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{
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}
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tusb_error_t cdc_serial_subtask(void);
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void cdc_serial_app_task(void* param)
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{
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(void) param;
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OSAL_TASK_BEGIN
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cdc_serial_subtask();
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OSAL_TASK_END
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}
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tusb_error_t cdc_serial_subtask(void)
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{
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OSAL_SUBTASK_BEGIN
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if ( tud_mounted() && tud_cdc_available() )
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{
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uint8_t buf[64];
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// read and echo back
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uint32_t count = tud_cdc_read(buf, sizeof(buf));
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tud_cdc_write(buf, count);
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}
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OSAL_SUBTASK_END
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}
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#endif
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