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author | Jun Wako <wakojun@gmail.com> | 2015-04-24 16:26:14 +0900 |
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committer | Jun Wako <wakojun@gmail.com> | 2015-04-24 16:26:14 +0900 |
commit | 1fe4406f374291ab2e86e95a97341fd9c475fcb8 (patch) | |
tree | 1be0e16b4b07b5a31ea97ec50a9eb13a288c3d27 /tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/sms/GSMSMSInterface.cpp | |
parent | a20ef7052c6e937d2f7672dd59456e55a5c08296 (diff) |
Squashed 'tmk_core/' changes from 7967731..b9e0ea0
b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5
git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
Diffstat (limited to 'tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/sms/GSMSMSInterface.cpp')
-rw-r--r-- | tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/sms/GSMSMSInterface.cpp | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/sms/GSMSMSInterface.cpp b/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/sms/GSMSMSInterface.cpp new file mode 100644 index 0000000000..2ed50ad126 --- /dev/null +++ b/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/sms/GSMSMSInterface.cpp @@ -0,0 +1,423 @@ +/* GSMSMSInterface.cpp */ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#define __DEBUG__ 2 +#ifndef __MODULE__ +#define __MODULE__ "GSMSMSInterface.cpp" +#endif + +#include "core/fwk.h" + +#include "GSMSMSInterface.h" + +#include <cstdio> +#include <cstring> + +#define DEFAULT_TIMEOUT 10000 + +GSMSMSInterface::GSMSMSInterface(ATCommandsInterface* pIf) : m_pIf(pIf), m_msg(NULL), m_maxMsgLength(0), m_msisdn(NULL) +{ + m_pIf->registerEventsHandler(this); //Add us to the unsolicited result codes handlers +} + +int GSMSMSInterface::init() +{ + m_msgRefListCount = 0; + m_needsUpdate = true; + m_state = SMS_IDLE; + + DBG("Set format"); + //Set Text mode format + int ret = m_pIf->executeSimple("AT+CMGF=1", NULL, DEFAULT_TIMEOUT); + if(ret != OK) + { + return NET_PROTOCOL; + } + + DBG("Setup new messages indication"); + //Setup new messages indication + ret = m_pIf->executeSimple("AT+CNMI=2,1,0,0,0", NULL, DEFAULT_TIMEOUT); + if(ret != OK) + { + return NET_PROTOCOL; + } + + DBG("Try to fetch inbox"); + m_inboxMtx.lock(); + if( m_needsUpdate ) + { + ret = updateInbox(); //Fetch existing messages references + if(ret) + { + m_inboxMtx.unlock(); + return NET_PROTOCOL; + } + } + m_inboxMtx.unlock(); + + DBG("Initialization done"); + return OK; +} + +int GSMSMSInterface::send(const char* number, const char* message) +{ + if( strlen(number) > 16 ) + { + return NET_INVALID; //Number too long to match 3GPP spec + } + + int ret; + + //Prepare infos + m_state = SMS_SEND_CMD_SENT; + m_msg = (char*) message; + + DBG("Send SM"); + //Send command + char cmd[32]; + std::sprintf(cmd, "AT+CMGS=\"%s\"", number); + ret = m_pIf->execute(cmd, this, NULL, DEFAULT_TIMEOUT); + + if( (ret != OK) || (m_state != SMS_CMD_PROCESSED) ) + { + WARN("ret %d, state %d", ret, m_state); + m_state = SMS_IDLE; + return NET_PROTOCOL; + } + + DBG("SM sent"); + m_state = SMS_IDLE; + return OK; +} + + +int GSMSMSInterface::get(char* number, char* message, size_t maxLength) +{ + if( maxLength < 1 ) + { + return NET_INVALID; //Buffer too short + } + + int ret; + + DBG("Get next message"); + m_inboxMtx.lock(); + if( ((m_msgRefListCount == 0) && m_needsUpdate) || ((m_msgRefListCount > 0) && (m_msgRefList[0] == -1)) ) + { + DBG("Message list count is 0 and needs updating or next index is unknown, calling updateInbox()"); + ret = updateInbox(); + + if (ret) + { + m_inboxMtx.unlock(); + return ret; + } + } + + DBG("%d messages to read", m_msgRefListCount); + + if(m_msgRefListCount == 0) + { + m_inboxMtx.unlock(); + DBG("Message list count is 0, I think it's empty and returning."); + return NET_EMPTY; //No message to read + } + + //Prepare infos + m_state = SMS_GET_CMD_SENT; + m_msisdn = (char*) number; + m_msg = (char*) message; + m_maxMsgLength = maxLength; + + DBG("Get SMS"); + //List command + char cmd[32]; + std::sprintf(cmd, "AT+CMGR=%d", m_msgRefList[0]); + ret = m_pIf->execute(cmd, this, NULL, DEFAULT_TIMEOUT); + if( ret != OK ) + { + WARN("AT+CMGR returned %d", ret); + m_state = SMS_IDLE; + m_inboxMtx.unlock(); + return NET_PROTOCOL; + } + + if (m_state != SMS_CMD_PROCESSED) + { + WARN("State variable is not 'SMS_CMD_PROCESSED' - returning 'NET_EMPTY'"); + } + + DBG("Deleting message from index number: %d", m_msgRefList[0] ); + //Delete message from outbox + std::sprintf(cmd, "AT+CMGD=%d", m_msgRefList[0]); + ret = m_pIf->executeSimple(cmd, NULL, DEFAULT_TIMEOUT); + if(ret != OK) + { + ERR("Could not delete message"); + } + //Remove message from list + std::memmove(&m_msgRefList[0], &m_msgRefList[1], MIN(m_msgRefListCount-1,MAX_SM-1)*sizeof(m_msgRefList[0])); + m_msgRefListCount--; + + if(m_msgRefListCount > MAX_SM - 1) //Last message index is unknown, so put -1 to tell the lib to fetch it when needed + { + DBG("Last message index is unknown, will need to be updated"); + m_msgRefList[MAX_SM - 1] = -1; + } + + DBG("%d messages to read", m_msgRefListCount); + + if (m_state != SMS_CMD_PROCESSED) + { + m_state = SMS_IDLE; + m_inboxMtx.unlock(); + return NET_EMPTY; + } + + m_state = SMS_IDLE; + m_inboxMtx.unlock(); + + return OK; +} + + +int GSMSMSInterface::getCount(size_t* pCount) +{ + int ret; + + m_inboxMtx.lock(); + if( m_needsUpdate ) + { + ret = updateInbox(); + if(ret) + { + m_inboxMtx.unlock(); + return NET_PROTOCOL; + } + } + + *pCount = m_msgRefListCount; + m_inboxMtx.unlock(); + + return OK; +} + + +/*virtual*/ int GSMSMSInterface::onNewATResponseLine(ATCommandsInterface* pInst, const char* line) +{ + if(m_state == SMS_SEND_CMD_SENT) + { + if( std::sscanf(line, "+CMGS: %*d") == 0 ) + { + DBG("SM sent"); + m_state = SMS_CMD_PROCESSED; + } + } + else if(m_state == SMS_GET_CMD_SENT) + { + DBG("Header: %s", line); + if( std::sscanf(line, "+CMGR: %*[^,],\"%16[^\"]\"", m_msisdn) == 1 ) //Get message ref + { + m_state = SMS_GET_HDR_RECEIVED; + } + } + else if(m_state == SMS_GET_HDR_RECEIVED) + { + DBG("Message: %s", line); + size_t cpyLen = MIN( std::strlen(line), m_maxMsgLength - 1 ); + std::memcpy( m_msg, line, cpyLen ); + m_msg[cpyLen] = '\0'; + m_state = SMS_CMD_PROCESSED; + } + else if(m_state == SMS_GET_COUNT_CMD_SENT) + { + DBG("Header: %s", line); + int msgRef; + if( std::sscanf(line, "+CMGL: %d,\"REC", &msgRef) == 1 ) //Filter on REC READ and REC UNREAD messages + { + m_state = SMS_GET_COUNT_HDR_RECEIVED; + //Add message to list + if(m_msgRefListCount < MAX_SM) + { + m_msgRefList[m_msgRefListCount] = msgRef; + } + m_msgRefListCount++; //Always count message + DBG("m_msgRefListCount=%d",m_msgRefListCount); + } + } + else if(m_state == SMS_GET_COUNT_HDR_RECEIVED) + { + DBG("Message (debug only): %s", line); //For debug only + m_state = SMS_GET_COUNT_CMD_SENT; + } + return OK; +} + +/*virtual*/ int GSMSMSInterface::onNewEntryPrompt(ATCommandsInterface* pInst) +{ + if(m_state == SMS_SEND_CMD_SENT) + { + char* crPtr = strchr(m_msg, CR); + if(crPtr != NULL) + { + int crPos = crPtr - m_msg; + //Replace m_inputBuf[crPos] with null-terminating char + m_msg[crPos] = '\x0'; + + //If there is a CR char, split message there + + //Do print the message + int ret = pInst->sendData(m_msg); + if(ret) + { + return ret; + } + + char cr[2] = {CR, '\0'}; + ret = pInst->sendData(cr); + if(ret) + { + return ret; + } + + m_msg += crPos; + + if(m_msg[0] == LF) + { + m_msg++; //Discard LF char as well + } + + return NET_MOREINFO; + } + else + { + //Do print the message + pInst->sendData(m_msg); + return OK; + } + } + + return OK; +} + +/*virtual*/ bool GSMSMSInterface::isATCodeHandled(const char* atCode) //Is this AT code handled +{ + DBG("AT code is %s", atCode); + if( strcmp("+CMTI", atCode) == 0 ) + { + return true; + } + + DBG("Not handled"); + return false; +} + +/*virtual*/ void GSMSMSInterface::onDispatchStart() +{ + +} + +/*virtual*/ void GSMSMSInterface::onDispatchStop() +{ + +} + +/*virtual*/ char* GSMSMSInterface::getEventsEnableCommand() +{ + return "AT+CNMI=2,1,0,0,0"; +} + +/*virtual*/ char* GSMSMSInterface::getEventsDisableCommand() +{ + return "AT+CNMI=0,0,0,0,0"; //Indications will be buffered within the modem and flushed back when the former command is executed +} + +/*virtual*/ void GSMSMSInterface::onEvent(const char* atCode, const char* evt) +{ + if( strcmp("+CMTI", atCode) != 0 ) + { + return; //Not supported + } + + DBG("Unsollicited result code: %s - %s", atCode, evt); + + //Get index + int msgRef; + if(( std::sscanf(evt, "\"SM\",%d", &msgRef) == 1 ) || + ( std::sscanf(evt, "\"ME\",%d", &msgRef) == 1 )) + { + DBG("Adding message to list (ref %d)", msgRef); + if(m_inboxMtx.trylock()) + { + //Add message to list + if(m_msgRefListCount < MAX_SM) + { + m_msgRefList[m_msgRefListCount] = msgRef; + } + m_msgRefListCount++; //Always count message + m_inboxMtx.unlock(); + } + else + { + WARN("Could not get lock"); + m_needsUpdate = true; + } + } +} + +int GSMSMSInterface::updateInbox() +{ + //Get memory indexes of unread messages + + DBG("Updating inbox"); + m_msgRefListCount = 0; //Reset list + m_needsUpdate = false; //Assume we won't need update after this routine (can be set to true by an incoming SM event) + + //First list the "REC READ" messages that were not processed in the previous session + m_state = SMS_GET_COUNT_CMD_SENT; + int ret = m_pIf->execute("AT+CMGL=\"REC READ\"", this, NULL, DEFAULT_TIMEOUT); + if( ret != OK ) + { + WARN("AT+CMGL returned %d", ret); + m_state = SMS_IDLE; + m_msgRefListCount = 0; //List could be invalid + m_needsUpdate = true; + return NET_PROTOCOL; + } + + //Now list the "REC UNREAD" messages that were received by the modem since + m_state = SMS_GET_COUNT_CMD_SENT; + ret = m_pIf->execute("AT+CMGL=\"REC UNREAD\"", this, NULL, DEFAULT_TIMEOUT); + if( ret != OK ) + { + WARN("AT+CMGL returned %d", ret); + m_state = SMS_IDLE; + m_msgRefListCount = 0; //List could be invalid + m_needsUpdate = true; + return NET_PROTOCOL; + } + + DBG("%d incoming messages in inbox", m_msgRefListCount); + + m_state = SMS_IDLE; + + return OK; +} + + |