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Dependencies: DM_FATFileSystem DM_HttpServer DM_USBHost EthernetInterface USBDevice mbed-rpc mbed-rtos
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RtosLog.h@9:a33326afd686, 2014-12-11 (annotated)
- Committer:
- embeddedartists
- Date:
- Thu Dec 11 18:23:07 2014 +0000
- Revision:
- 9:a33326afd686
- Parent:
- 2:887c6b45e7fa
- Child:
- 34:fc366bab393f
Updated documentation
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
embeddedartists | 2:887c6b45e7fa | 1 | /* |
embeddedartists | 2:887c6b45e7fa | 2 | * Copyright 2014 Embedded Artists AB |
embeddedartists | 2:887c6b45e7fa | 3 | * |
embeddedartists | 2:887c6b45e7fa | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
embeddedartists | 2:887c6b45e7fa | 5 | * you may not use this file except in compliance with the License. |
embeddedartists | 2:887c6b45e7fa | 6 | * You may obtain a copy of the License at |
embeddedartists | 2:887c6b45e7fa | 7 | * |
embeddedartists | 2:887c6b45e7fa | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
embeddedartists | 2:887c6b45e7fa | 9 | * |
embeddedartists | 2:887c6b45e7fa | 10 | * Unless required by applicable law or agreed to in writing, software |
embeddedartists | 2:887c6b45e7fa | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
embeddedartists | 2:887c6b45e7fa | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
embeddedartists | 2:887c6b45e7fa | 13 | * See the License for the specific language governing permissions and |
embeddedartists | 2:887c6b45e7fa | 14 | * limitations under the License. |
embeddedartists | 2:887c6b45e7fa | 15 | */ |
embeddedartists | 2:887c6b45e7fa | 16 | |
embeddedartists | 2:887c6b45e7fa | 17 | #ifndef RTOSLOG_H |
embeddedartists | 2:887c6b45e7fa | 18 | #define RTOSLOG_H |
embeddedartists | 2:887c6b45e7fa | 19 | |
embeddedartists | 2:887c6b45e7fa | 20 | #include "mbed.h" |
embeddedartists | 2:887c6b45e7fa | 21 | #include "rtos.h" |
embeddedartists | 2:887c6b45e7fa | 22 | #include "dm_board_config.h" |
embeddedartists | 2:887c6b45e7fa | 23 | |
embeddedartists | 2:887c6b45e7fa | 24 | /** |
embeddedartists | 2:887c6b45e7fa | 25 | * All threads can independantly call the printf function in the RtosLog class |
embeddedartists | 9:a33326afd686 | 26 | * without risk of getting the output tangled up. |
embeddedartists | 2:887c6b45e7fa | 27 | * |
embeddedartists | 2:887c6b45e7fa | 28 | * The RtosLog class uses a Thread to process the messages one at a time. |
embeddedartists | 9:a33326afd686 | 29 | * |
embeddedartists | 9:a33326afd686 | 30 | * |
embeddedartists | 9:a33326afd686 | 31 | * Example of using the RtosLog class: |
embeddedartists | 9:a33326afd686 | 32 | * |
embeddedartists | 9:a33326afd686 | 33 | * @code |
embeddedartists | 9:a33326afd686 | 34 | * #include "mbed.h" |
embeddedartists | 9:a33326afd686 | 35 | * #include "DMBoard.h" |
embeddedartists | 9:a33326afd686 | 36 | * |
embeddedartists | 9:a33326afd686 | 37 | * void myTask(void const*args) { |
embeddedartists | 9:a33326afd686 | 38 | * RtosLog* log = DMBoard::instance().logger(); |
embeddedartists | 9:a33326afd686 | 39 | * ... |
embeddedartists | 9:a33326afd686 | 40 | * log->printf("Hello world!\n"); |
embeddedartists | 9:a33326afd686 | 41 | * ... |
embeddedartists | 9:a33326afd686 | 42 | * } |
embeddedartists | 9:a33326afd686 | 43 | * @endcode |
embeddedartists | 9:a33326afd686 | 44 | * |
embeddedartists | 2:887c6b45e7fa | 45 | */ |
embeddedartists | 2:887c6b45e7fa | 46 | class RtosLog { |
embeddedartists | 2:887c6b45e7fa | 47 | public: |
embeddedartists | 2:887c6b45e7fa | 48 | enum Constants { |
embeddedartists | 2:887c6b45e7fa | 49 | MessageLen = 80, |
embeddedartists | 2:887c6b45e7fa | 50 | NumMessages = 16, |
embeddedartists | 2:887c6b45e7fa | 51 | }; |
embeddedartists | 2:887c6b45e7fa | 52 | |
embeddedartists | 2:887c6b45e7fa | 53 | RtosLog(); |
embeddedartists | 2:887c6b45e7fa | 54 | ~RtosLog(); |
embeddedartists | 2:887c6b45e7fa | 55 | |
embeddedartists | 2:887c6b45e7fa | 56 | /** Starts the logger thread |
embeddedartists | 2:887c6b45e7fa | 57 | */ |
embeddedartists | 2:887c6b45e7fa | 58 | void init(); |
embeddedartists | 2:887c6b45e7fa | 59 | |
embeddedartists | 2:887c6b45e7fa | 60 | int printf(const char* format, ...); |
embeddedartists | 2:887c6b45e7fa | 61 | |
embeddedartists | 2:887c6b45e7fa | 62 | private: |
embeddedartists | 2:887c6b45e7fa | 63 | |
embeddedartists | 2:887c6b45e7fa | 64 | typedef struct { |
embeddedartists | 2:887c6b45e7fa | 65 | char* ptr; /* Non-NULL if memory is allocated */ |
embeddedartists | 2:887c6b45e7fa | 66 | char msg[MessageLen+1]; /* A counter value */ |
embeddedartists | 2:887c6b45e7fa | 67 | } message_t; |
embeddedartists | 2:887c6b45e7fa | 68 | |
embeddedartists | 2:887c6b45e7fa | 69 | MemoryPool<message_t, NumMessages> _mpool; |
embeddedartists | 2:887c6b45e7fa | 70 | Queue<message_t, NumMessages> _queue; |
embeddedartists | 2:887c6b45e7fa | 71 | Semaphore _sem; |
embeddedartists | 2:887c6b45e7fa | 72 | Serial _serial; |
embeddedartists | 2:887c6b45e7fa | 73 | Thread* _thr; |
embeddedartists | 2:887c6b45e7fa | 74 | |
embeddedartists | 2:887c6b45e7fa | 75 | static void logTask(void const* args); |
embeddedartists | 2:887c6b45e7fa | 76 | }; |
embeddedartists | 2:887c6b45e7fa | 77 | |
embeddedartists | 2:887c6b45e7fa | 78 | #endif |