edb4226f23
use IAD whenever enable CDC to make sure windows driver can detect change keyboard, mouse send report to int_on_complete = true
152 lines
4.9 KiB
C
152 lines
4.9 KiB
C
/**************************************************************************/
|
|
/*!
|
|
@file cdcd_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 "cdcd_app.h"
|
|
|
|
#if TUSB_CFG_DEVICE_CDC
|
|
|
|
#include "common/fifo.h" // TODO refractor
|
|
|
|
//--------------------------------------------------------------------+
|
|
// INCLUDE
|
|
//--------------------------------------------------------------------+
|
|
enum {
|
|
CDCD_APP_BUFFER_SIZE = 64
|
|
};
|
|
|
|
//--------------------------------------------------------------------+
|
|
// MACRO CONSTANT TYPEDEF
|
|
//--------------------------------------------------------------------+
|
|
OSAL_TASK_DEF(cdcd_serial_app_task, 128, CDCD_SERIAL_APP_TASK_PRIO);
|
|
OSAL_SEM_DEF(cdcd_semaphore);
|
|
|
|
static osal_semaphore_handle_t sem_hdl;
|
|
|
|
ATTR_USB_MIN_ALIGNMENT static uint8_t serial_rx_buffer[CDCD_APP_BUFFER_SIZE] TUSB_CFG_ATTR_USBRAM;
|
|
ATTR_USB_MIN_ALIGNMENT static uint8_t serial_tx_buffer[CDCD_APP_BUFFER_SIZE] TUSB_CFG_ATTR_USBRAM;
|
|
|
|
//--------------------------------------------------------------------+
|
|
// INTERNAL OBJECT & FUNCTION DECLARATION
|
|
//--------------------------------------------------------------------+
|
|
FIFO_DEF(fifo_serial, CDCD_APP_BUFFER_SIZE, uint8_t, true);
|
|
|
|
//--------------------------------------------------------------------+
|
|
// IMPLEMENTATION
|
|
//--------------------------------------------------------------------+
|
|
void cdcd_serial_app_init(void)
|
|
{
|
|
sem_hdl = osal_semaphore_create( OSAL_SEM_REF(cdcd_semaphore) );
|
|
ASSERT_PTR( sem_hdl, VOID_RETURN);
|
|
|
|
ASSERT( TUSB_ERROR_NONE == osal_task_create( OSAL_TASK_REF(cdcd_serial_app_task) ), VOID_RETURN);
|
|
}
|
|
|
|
void tusbd_cdc_mounted_cb(uint8_t coreid)
|
|
{
|
|
osal_semaphore_reset(sem_hdl);
|
|
|
|
tusbd_cdc_receive(coreid, serial_rx_buffer, CDCD_APP_BUFFER_SIZE, true);
|
|
}
|
|
|
|
void tusbd_cdc_xfer_cb(uint8_t coreid, tusb_event_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes)
|
|
{
|
|
switch ( pipe_id )
|
|
{
|
|
case CDC_PIPE_DATA_OUT:
|
|
switch(event)
|
|
{
|
|
case TUSB_EVENT_XFER_COMPLETE:
|
|
for(uint8_t i=0; i<xferred_bytes; i++)
|
|
{
|
|
fifo_write(&fifo_serial, serial_rx_buffer+i);
|
|
}
|
|
osal_semaphore_post(sem_hdl); // notify main task
|
|
break;
|
|
|
|
case TUSB_EVENT_XFER_ERROR:
|
|
xferred_bytes = 0; // ignore
|
|
break;
|
|
|
|
case TUSB_EVENT_XFER_STALLED:
|
|
default :
|
|
ASSERT(false, VOID_RETURN);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case CDC_PIPE_DATA_IN:
|
|
case CDC_PIPE_NOTIFICATION:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
OSAL_TASK_FUNCTION( cdcd_serial_app_task ) (void* p_task_para)
|
|
{
|
|
OSAL_TASK_LOOP_BEGIN
|
|
|
|
tusb_error_t error;
|
|
|
|
osal_semaphore_wait(sem_hdl, OSAL_TIMEOUT_WAIT_FOREVER, &error);
|
|
|
|
if ( tusbd_is_configured(0) )
|
|
{
|
|
// echo back data in the fifo
|
|
if ( !tusbd_cdc_is_busy(0, CDC_PIPE_DATA_IN) )
|
|
{
|
|
uint16_t count=0;
|
|
while( fifo_read(&fifo_serial, &serial_tx_buffer[count]) )
|
|
{
|
|
count++;
|
|
}
|
|
|
|
if (count)
|
|
{
|
|
tusbd_cdc_send(0, serial_tx_buffer, count, false);
|
|
}
|
|
}
|
|
|
|
// getting more data from host
|
|
tusbd_cdc_receive(0, serial_rx_buffer, CDCD_APP_BUFFER_SIZE, true);
|
|
}
|
|
|
|
OSAL_TASK_LOOP_END
|
|
}
|
|
|
|
#endif
|