RTC auf true
Diff: drivers/SerialWireOutput.h
- Revision:
- 0:38ceb79fef03
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/SerialWireOutput.h Wed Nov 28 15:10:15 2018 +0000 @@ -0,0 +1,78 @@ +/* mbed Microcontroller Library + * Copyright (c) 2017 ARM Limited + * + * 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. + */ + +#ifndef MBED_SERIALWIREOUTPUT_H +#define MBED_SERIALWIREOUTPUT_H + +#if defined(DEVICE_ITM) + +#include "hal/itm_api.h" +#include "platform/FileHandle.h" + +namespace mbed { + +class SerialWireOutput : public FileHandle { + +public: + + SerialWireOutput(void) + { + /* Initialize ITM using internal init function. */ + mbed_itm_init(); + } + + virtual ssize_t write(const void *buffer, size_t size) + { + mbed_itm_send_block(ITM_PORT_SWO, buffer, size); + + return size; + } + + virtual ssize_t read(void *buffer, size_t size) + { + /* Reading is not supported by this file handle */ + return -EBADF; + } + + virtual off_t seek(off_t offset, int whence = SEEK_SET) + { + /* Seeking is not support by this file handler */ + return -ESPIPE; + } + + virtual off_t size() + { + /* Size is not defined for this file handle */ + return -EINVAL; + } + + virtual int isatty() + { + /* File handle is used for terminal output */ + return true; + } + + virtual int close() + { + return 0; + } +}; + +} // namespace mbed + +#endif // DEVICE_ITM + +#endif // MBED_SERIALWIREOUTPUT_H