RTC auf true
drivers/SerialWireOutput.h@0:38ceb79fef03, 2018-11-28 (annotated)
- Committer:
- kevman
- Date:
- Wed Nov 28 15:10:15 2018 +0000
- Revision:
- 0:38ceb79fef03
RTC modified
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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kevman | 0:38ceb79fef03 | 1 | /* mbed Microcontroller Library |
kevman | 0:38ceb79fef03 | 2 | * Copyright (c) 2017 ARM Limited |
kevman | 0:38ceb79fef03 | 3 | * |
kevman | 0:38ceb79fef03 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
kevman | 0:38ceb79fef03 | 5 | * you may not use this file except in compliance with the License. |
kevman | 0:38ceb79fef03 | 6 | * You may obtain a copy of the License at |
kevman | 0:38ceb79fef03 | 7 | * |
kevman | 0:38ceb79fef03 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
kevman | 0:38ceb79fef03 | 9 | * |
kevman | 0:38ceb79fef03 | 10 | * Unless required by applicable law or agreed to in writing, software |
kevman | 0:38ceb79fef03 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
kevman | 0:38ceb79fef03 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
kevman | 0:38ceb79fef03 | 13 | * See the License for the specific language governing permissions and |
kevman | 0:38ceb79fef03 | 14 | * limitations under the License. |
kevman | 0:38ceb79fef03 | 15 | */ |
kevman | 0:38ceb79fef03 | 16 | |
kevman | 0:38ceb79fef03 | 17 | #ifndef MBED_SERIALWIREOUTPUT_H |
kevman | 0:38ceb79fef03 | 18 | #define MBED_SERIALWIREOUTPUT_H |
kevman | 0:38ceb79fef03 | 19 | |
kevman | 0:38ceb79fef03 | 20 | #if defined(DEVICE_ITM) |
kevman | 0:38ceb79fef03 | 21 | |
kevman | 0:38ceb79fef03 | 22 | #include "hal/itm_api.h" |
kevman | 0:38ceb79fef03 | 23 | #include "platform/FileHandle.h" |
kevman | 0:38ceb79fef03 | 24 | |
kevman | 0:38ceb79fef03 | 25 | namespace mbed { |
kevman | 0:38ceb79fef03 | 26 | |
kevman | 0:38ceb79fef03 | 27 | class SerialWireOutput : public FileHandle { |
kevman | 0:38ceb79fef03 | 28 | |
kevman | 0:38ceb79fef03 | 29 | public: |
kevman | 0:38ceb79fef03 | 30 | |
kevman | 0:38ceb79fef03 | 31 | SerialWireOutput(void) |
kevman | 0:38ceb79fef03 | 32 | { |
kevman | 0:38ceb79fef03 | 33 | /* Initialize ITM using internal init function. */ |
kevman | 0:38ceb79fef03 | 34 | mbed_itm_init(); |
kevman | 0:38ceb79fef03 | 35 | } |
kevman | 0:38ceb79fef03 | 36 | |
kevman | 0:38ceb79fef03 | 37 | virtual ssize_t write(const void *buffer, size_t size) |
kevman | 0:38ceb79fef03 | 38 | { |
kevman | 0:38ceb79fef03 | 39 | mbed_itm_send_block(ITM_PORT_SWO, buffer, size); |
kevman | 0:38ceb79fef03 | 40 | |
kevman | 0:38ceb79fef03 | 41 | return size; |
kevman | 0:38ceb79fef03 | 42 | } |
kevman | 0:38ceb79fef03 | 43 | |
kevman | 0:38ceb79fef03 | 44 | virtual ssize_t read(void *buffer, size_t size) |
kevman | 0:38ceb79fef03 | 45 | { |
kevman | 0:38ceb79fef03 | 46 | /* Reading is not supported by this file handle */ |
kevman | 0:38ceb79fef03 | 47 | return -EBADF; |
kevman | 0:38ceb79fef03 | 48 | } |
kevman | 0:38ceb79fef03 | 49 | |
kevman | 0:38ceb79fef03 | 50 | virtual off_t seek(off_t offset, int whence = SEEK_SET) |
kevman | 0:38ceb79fef03 | 51 | { |
kevman | 0:38ceb79fef03 | 52 | /* Seeking is not support by this file handler */ |
kevman | 0:38ceb79fef03 | 53 | return -ESPIPE; |
kevman | 0:38ceb79fef03 | 54 | } |
kevman | 0:38ceb79fef03 | 55 | |
kevman | 0:38ceb79fef03 | 56 | virtual off_t size() |
kevman | 0:38ceb79fef03 | 57 | { |
kevman | 0:38ceb79fef03 | 58 | /* Size is not defined for this file handle */ |
kevman | 0:38ceb79fef03 | 59 | return -EINVAL; |
kevman | 0:38ceb79fef03 | 60 | } |
kevman | 0:38ceb79fef03 | 61 | |
kevman | 0:38ceb79fef03 | 62 | virtual int isatty() |
kevman | 0:38ceb79fef03 | 63 | { |
kevman | 0:38ceb79fef03 | 64 | /* File handle is used for terminal output */ |
kevman | 0:38ceb79fef03 | 65 | return true; |
kevman | 0:38ceb79fef03 | 66 | } |
kevman | 0:38ceb79fef03 | 67 | |
kevman | 0:38ceb79fef03 | 68 | virtual int close() |
kevman | 0:38ceb79fef03 | 69 | { |
kevman | 0:38ceb79fef03 | 70 | return 0; |
kevman | 0:38ceb79fef03 | 71 | } |
kevman | 0:38ceb79fef03 | 72 | }; |
kevman | 0:38ceb79fef03 | 73 | |
kevman | 0:38ceb79fef03 | 74 | } // namespace mbed |
kevman | 0:38ceb79fef03 | 75 | |
kevman | 0:38ceb79fef03 | 76 | #endif // DEVICE_ITM |
kevman | 0:38ceb79fef03 | 77 | |
kevman | 0:38ceb79fef03 | 78 | #endif // MBED_SERIALWIREOUTPUT_H |