mbed-os/drivers/source/SerialWireOutput.cpp

42 lines
1.1 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2017-2019 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "drivers/SerialWireOutput.h"
#if defined(DEVICE_ITM)
#include "hal/itm_api.h"
namespace mbed {
SerialWireOutput::SerialWireOutput()
{
/* Initialize ITM using internal init function. */
mbed_itm_init();
}
ssize_t SerialWireOutput::write(const void *buffer, size_t size)
{
mbed_itm_send_block(ITM_PORT_SWO, buffer, size);
return size;
}
} // namespace mbed
#endif // DEVICE_ITM