PHS module APM-002 library. see: https://developer.mbed.org/users/phsfan/notebook/abitusbmodem/
Dependencies: Socket lwip-sys lwip
Fork of AbitUSBModem by
at/ATCommandsInterface.h@8:04b6a042595f, 2012-06-26 (annotated)
- Committer:
- donatien
- Date:
- Tue Jun 26 13:44:59 2012 +0000
- Revision:
- 8:04b6a042595f
- Parent:
- main/drv/at/ATCommandsInterface.h@0:3b2f052c333b
- Child:
- 16:02db4f537955
Bleeding edge - test with two different interfaces
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
donatien | 0:3b2f052c333b | 1 | /* ATCommandsInterface.h */ |
donatien | 0:3b2f052c333b | 2 | /* |
donatien | 0:3b2f052c333b | 3 | Copyright (C) 2012 ARM Limited. |
donatien | 0:3b2f052c333b | 4 | |
donatien | 0:3b2f052c333b | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy of |
donatien | 0:3b2f052c333b | 6 | this software and associated documentation files (the "Software"), to deal in |
donatien | 0:3b2f052c333b | 7 | the Software without restriction, including without limitation the rights to |
donatien | 0:3b2f052c333b | 8 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
donatien | 0:3b2f052c333b | 9 | of the Software, and to permit persons to whom the Software is furnished to do |
donatien | 0:3b2f052c333b | 10 | so, subject to the following conditions: |
donatien | 0:3b2f052c333b | 11 | |
donatien | 0:3b2f052c333b | 12 | The above copyright notice and this permission notice shall be included in all |
donatien | 0:3b2f052c333b | 13 | copies or substantial portions of the Software. |
donatien | 0:3b2f052c333b | 14 | |
donatien | 0:3b2f052c333b | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
donatien | 0:3b2f052c333b | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
donatien | 0:3b2f052c333b | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
donatien | 0:3b2f052c333b | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
donatien | 0:3b2f052c333b | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
donatien | 0:3b2f052c333b | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
donatien | 0:3b2f052c333b | 21 | SOFTWARE. |
donatien | 0:3b2f052c333b | 22 | */ |
donatien | 0:3b2f052c333b | 23 | |
donatien | 0:3b2f052c333b | 24 | #ifndef ATCOMMANDSINTERFACE_H_ |
donatien | 0:3b2f052c333b | 25 | #define ATCOMMANDSINTERFACE_H_ |
donatien | 0:3b2f052c333b | 26 | |
donatien | 0:3b2f052c333b | 27 | #include "core/fwk.h" |
donatien | 0:3b2f052c333b | 28 | #include "rtos.h" |
donatien | 0:3b2f052c333b | 29 | |
donatien | 0:3b2f052c333b | 30 | #define MAX_AT_EVENTS_HANDLERS 8 |
donatien | 0:3b2f052c333b | 31 | |
donatien | 0:3b2f052c333b | 32 | class ATCommandsInterface; |
donatien | 0:3b2f052c333b | 33 | |
donatien | 0:3b2f052c333b | 34 | /** Interface implemented by components handling AT events |
donatien | 0:3b2f052c333b | 35 | * |
donatien | 0:3b2f052c333b | 36 | */ |
donatien | 0:3b2f052c333b | 37 | class IATEventsHandler |
donatien | 0:3b2f052c333b | 38 | { |
donatien | 0:3b2f052c333b | 39 | protected: |
donatien | 0:3b2f052c333b | 40 | virtual bool isATCodeHandled(const char* atCode) = 0; //Is this AT code handled |
donatien | 0:3b2f052c333b | 41 | virtual void onDispatchStart() = 0; |
donatien | 0:3b2f052c333b | 42 | virtual void onDispatchStop() = 0; |
donatien | 0:3b2f052c333b | 43 | virtual void onEvent(const char* atCode, const char* evt) = 0; |
donatien | 0:3b2f052c333b | 44 | friend class ATCommandsInterface; |
donatien | 0:3b2f052c333b | 45 | }; |
donatien | 0:3b2f052c333b | 46 | |
donatien | 0:3b2f052c333b | 47 | /** Interface implemented by components executing complex AT commands |
donatien | 0:3b2f052c333b | 48 | * |
donatien | 0:3b2f052c333b | 49 | */ |
donatien | 0:3b2f052c333b | 50 | class IATCommandsProcessor |
donatien | 0:3b2f052c333b | 51 | { |
donatien | 0:3b2f052c333b | 52 | protected: |
donatien | 0:3b2f052c333b | 53 | virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line) = 0; |
donatien | 0:3b2f052c333b | 54 | virtual int onNewEntryPrompt(ATCommandsInterface* pInst) = 0; |
donatien | 0:3b2f052c333b | 55 | friend class ATCommandsInterface; |
donatien | 0:3b2f052c333b | 56 | }; |
donatien | 0:3b2f052c333b | 57 | |
donatien | 0:3b2f052c333b | 58 | #define AT_INPUT_BUF_SIZE 64 |
donatien | 0:3b2f052c333b | 59 | |
donatien | 0:3b2f052c333b | 60 | //Signals to be sent to the processing thread |
donatien | 0:3b2f052c333b | 61 | #define AT_SIG_PROCESSING_START 1 |
donatien | 0:3b2f052c333b | 62 | #define AT_SIG_PROCESSING_STOP 2 |
donatien | 0:3b2f052c333b | 63 | //Messages to be sent to the processing thread |
donatien | 0:3b2f052c333b | 64 | #define AT_CMD_READY 1 |
donatien | 0:3b2f052c333b | 65 | #define AT_TIMEOUT 2 |
donatien | 0:3b2f052c333b | 66 | #define AT_STOP 3 |
donatien | 0:3b2f052c333b | 67 | //Messages to be sent from the processing thread |
donatien | 0:3b2f052c333b | 68 | #define AT_RESULT_READY 1 |
donatien | 0:3b2f052c333b | 69 | |
donatien | 0:3b2f052c333b | 70 | /** AT Commands interface class |
donatien | 0:3b2f052c333b | 71 | * |
donatien | 0:3b2f052c333b | 72 | */ |
donatien | 0:3b2f052c333b | 73 | class ATCommandsInterface : protected IATCommandsProcessor |
donatien | 0:3b2f052c333b | 74 | { |
donatien | 0:3b2f052c333b | 75 | public: |
donatien | 0:3b2f052c333b | 76 | ATCommandsInterface(IOStream* pStream); |
donatien | 0:3b2f052c333b | 77 | |
donatien | 0:3b2f052c333b | 78 | //Open connection to AT Interface in order to execute command & register/unregister events |
donatien | 0:3b2f052c333b | 79 | int open(); |
donatien | 0:3b2f052c333b | 80 | |
donatien | 0:3b2f052c333b | 81 | //Initialize AT link |
donatien | 0:3b2f052c333b | 82 | int init(); |
donatien | 0:3b2f052c333b | 83 | |
donatien | 0:3b2f052c333b | 84 | //Close connection |
donatien | 0:3b2f052c333b | 85 | int close(); |
donatien | 0:3b2f052c333b | 86 | |
donatien | 0:3b2f052c333b | 87 | bool isOpen(); |
donatien | 0:3b2f052c333b | 88 | |
donatien | 0:3b2f052c333b | 89 | class ATResult |
donatien | 0:3b2f052c333b | 90 | { |
donatien | 0:3b2f052c333b | 91 | public: |
donatien | 0:3b2f052c333b | 92 | enum { AT_OK, AT_ERROR, AT_CONNECT, AT_CMS_ERROR, AT_CME_ERROR } result; |
donatien | 0:3b2f052c333b | 93 | int code; |
donatien | 0:3b2f052c333b | 94 | }; |
donatien | 0:3b2f052c333b | 95 | |
donatien | 0:3b2f052c333b | 96 | int executeSimple(const char* command, ATResult* pResult, uint32_t timeout=1000); |
donatien | 0:3b2f052c333b | 97 | int execute(const char* command, IATCommandsProcessor* pProcessor, ATResult* pResult, uint32_t timeout=1000); |
donatien | 0:3b2f052c333b | 98 | int registerEventsHandler(IATEventsHandler* pHdlr); |
donatien | 0:3b2f052c333b | 99 | int deregisterEventsHandler(IATEventsHandler* pHdlr); |
donatien | 0:3b2f052c333b | 100 | |
donatien | 0:3b2f052c333b | 101 | //Commands that can be called during onNewATResponseLine callback, additionally to close() |
donatien | 0:3b2f052c333b | 102 | //Access to this method is protected (can ONLY be called on processing thread during IATCommandsProcessor::onNewATResponseLine execution) |
donatien | 0:3b2f052c333b | 103 | int sendData(const char* data); |
donatien | 0:3b2f052c333b | 104 | |
donatien | 0:3b2f052c333b | 105 | static void staticCallback(void const* p); |
donatien | 0:3b2f052c333b | 106 | private: |
donatien | 0:3b2f052c333b | 107 | int tryReadLine(); |
donatien | 0:3b2f052c333b | 108 | int trySendCommand(); |
donatien | 0:3b2f052c333b | 109 | int processReadLine(); |
donatien | 0:3b2f052c333b | 110 | int processEntryPrompt(); |
donatien | 0:3b2f052c333b | 111 | |
donatien | 0:3b2f052c333b | 112 | int ATResultToReturnCode(ATResult result); //Helper |
donatien | 0:3b2f052c333b | 113 | |
donatien | 0:3b2f052c333b | 114 | virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line); //Default implementation for simple commands handling |
donatien | 0:3b2f052c333b | 115 | virtual int onNewEntryPrompt(ATCommandsInterface* pInst); //Default implementation (just sends Ctrl+Z to exit the prompt) |
donatien | 0:3b2f052c333b | 116 | |
donatien | 0:3b2f052c333b | 117 | void process(); //Processing thread |
donatien | 0:3b2f052c333b | 118 | |
donatien | 0:3b2f052c333b | 119 | IOStream* m_pStream; |
donatien | 0:3b2f052c333b | 120 | bool m_open; |
donatien | 0:3b2f052c333b | 121 | |
donatien | 0:3b2f052c333b | 122 | const char* m_transactionCommand; |
donatien | 0:3b2f052c333b | 123 | const char* m_transactionData; |
donatien | 0:3b2f052c333b | 124 | |
donatien | 0:3b2f052c333b | 125 | IATCommandsProcessor* m_pTransactionProcessor; |
donatien | 0:3b2f052c333b | 126 | ATResult m_transactionResult; |
donatien | 0:3b2f052c333b | 127 | |
donatien | 0:3b2f052c333b | 128 | enum { IDLE, COMMAND_SENT, READING_RESULT, ABORTED } m_transactionState; |
donatien | 0:3b2f052c333b | 129 | |
donatien | 0:3b2f052c333b | 130 | char m_inputBuf[AT_INPUT_BUF_SIZE]; |
donatien | 0:3b2f052c333b | 131 | int m_inputPos; |
donatien | 0:3b2f052c333b | 132 | |
donatien | 0:3b2f052c333b | 133 | Mutex m_transactionMtx; |
donatien | 0:3b2f052c333b | 134 | |
donatien | 0:3b2f052c333b | 135 | Mail<int,1> m_env2AT; |
donatien | 0:3b2f052c333b | 136 | Mail<int,1> m_AT2Env; |
donatien | 0:3b2f052c333b | 137 | |
donatien | 0:3b2f052c333b | 138 | IATEventsHandler* m_eventsHandlers[MAX_AT_EVENTS_HANDLERS]; |
donatien | 0:3b2f052c333b | 139 | |
donatien | 0:3b2f052c333b | 140 | Mutex m_processingMtx; |
donatien | 0:3b2f052c333b | 141 | Thread m_processingThread; |
donatien | 0:3b2f052c333b | 142 | |
donatien | 0:3b2f052c333b | 143 | Mutex m_eventsMtx; |
donatien | 0:3b2f052c333b | 144 | }; |
donatien | 0:3b2f052c333b | 145 | |
donatien | 0:3b2f052c333b | 146 | #endif /* ATCOMMANDSINTERFACE_H_ */ |