/// @cond debug
//****************************************************************************
// Only internal use:
// cTCPStatus callback function
//****************************************************************************
int cTCPStatus()
{
char cmdReply[200];
char msg2send[200];
int resCheck = 0;
DWORD tick;
int countData;
int chars2read;
switch(smInternal)
{
case 0:
// Check if Buffer is free
if(GSMBufferSize() > 0)
{
// Parse Unsol Message
mainGSMStateMachine = SM_GSM_CMD_PENDING;
return -1;
}
else
smInternal++;
case 1:
// Send first AT command
// ---------- TCP Status Update ----------
sprintf(msg2send, "AT+KTCPSTAT=%d\r",xSocket->number);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 60;
smInternal++;
case 2:
vTaskDelay(20);
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 3:
// Get reply "\r\n+KTCPSTAT: <status>,<tcp_notif>,<rem_data>,<rcv_data>\r\n"
vTaskDelay(20);
sprintf(msg2send, "+KTCPSTAT");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>+KTCPSTAT: <status>,<tcp_notif>,<rem_data>,<rcv_data><CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
else
{
// Get status
char temp[25];
int res = getfield(':', ',', 5, 1, cmdReply, temp, 500);
if(res != 1)
{
// Execute Error Handler
gsmDebugPrint( "Error in getfield for +KTCP_DATA socket\r\n");
break;
}
else
{
xSocket->status = atoi(temp);
}
// Get tcp_notif
res = getfield(',', ',', 5, 1, cmdReply, temp, 500);
if(res != 1)
{
// Execute Error Handler
gsmDebugPrint( "Error in getfield for +KTCP_DATA socket\r\n");
break;
}
else
{
xSocket->notif = atoi(temp);
}
// Get rcv_data
res = getfield(',', '\r', 6, 3, cmdReply, temp, 500);
if(res != 1)
{
// Execute Error Handler
gsmDebugPrint( "Error in getfield for +KTCP_DATA socket\r\n");
break;
}
else
{
xSocket->rxLen = atoi(temp);
}
}
case 4:
// Get reply (\r\nOK\r\n)
vTaskDelay(1);
// Get OK
sprintf(msg2send, "OK");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
default:
break;
}
smInternal = 0;
// Cmd = 0 only if the last command successfully executed
mainOpStatus.ExecStat = OP_SUCCESS;
mainOpStatus.Function = 0;
mainOpStatus.ErrorCode = 0;
mainGSMStateMachine = SM_GSM_IDLE;
return -1;
}
/* Play some music from a URI */
void TestPlayUri( SLObjectItf sl, const char* path)
{
SLEngineItf EngineItf;
SLint32 numOutputs = 0;
SLuint32 deviceID = 0;
SLresult res;
SLDataSource audioSource;
SLDataLocator_URI uri;
SLDataFormat_MIME mime;
SLDataSink audioSink;
SLDataLocator_OutputMix locator_outputmix;
SLObjectItf player;
SLPlayItf playItf;
SLVolumeItf volItf;
SLPrefetchStatusItf prefetchItf;
SLObjectItf OutputMix;
SLboolean required[MAX_NUMBER_INTERFACES];
SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
/* Get the SL Engine Interface which is implicit */
res = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void*)&EngineItf);
CheckErr(res);
/* Initialize arrays required[] and iidArray[] */
for (int i=0 ; i < MAX_NUMBER_INTERFACES ; i++) {
required[i] = SL_BOOLEAN_FALSE;
iidArray[i] = SL_IID_NULL;
}
// Set arrays required[] and iidArray[] for VOLUME and PREFETCHSTATUS interface
required[0] = SL_BOOLEAN_TRUE;
iidArray[0] = SL_IID_VOLUME;
required[1] = SL_BOOLEAN_TRUE;
iidArray[1] = SL_IID_PREFETCHSTATUS;
// Create Output Mix object to be used by player
res = (*EngineItf)->CreateOutputMix(EngineItf, &OutputMix, 0,
iidArray, required); CheckErr(res);
// Realizing the Output Mix object in synchronous mode.
res = (*OutputMix)->Realize(OutputMix, SL_BOOLEAN_FALSE);
CheckErr(res);
/* Setup the data source structure for the URI */
uri.locatorType = SL_DATALOCATOR_URI;
uri.URI = (SLchar*) path;
mime.formatType = SL_DATAFORMAT_MIME;
mime.mimeType = (SLchar*)NULL;
mime.containerType = SL_CONTAINERTYPE_UNSPECIFIED;
audioSource.pFormat = (void *)&mime;
audioSource.pLocator = (void *)&uri;
/* Setup the data sink structure */
locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
locator_outputmix.outputMix = OutputMix;
audioSink.pLocator = (void *)&locator_outputmix;
audioSink.pFormat = NULL;
/* Create the audio player */
res = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink,
MAX_NUMBER_INTERFACES, iidArray, required); CheckErr(res);
/* Realizing the player in synchronous mode. */
res = (*player)->Realize(player, SL_BOOLEAN_FALSE); CheckErr(res);
fprintf(stdout, "URI example: after Realize\n");
/* Get interfaces */
res = (*player)->GetInterface(player, SL_IID_PLAY, (void*)&playItf);
CheckErr(res);
res = (*player)->GetInterface(player, SL_IID_VOLUME, (void*)&volItf);
CheckErr(res);
res = (*player)->GetInterface(player, SL_IID_PREFETCHSTATUS, (void*)&prefetchItf);
CheckErr(res);
res = (*prefetchItf)->RegisterCallback(prefetchItf, PrefetchEventCallback, &prefetchItf);
CheckErr(res);
res = (*prefetchItf)->SetCallbackEventsMask(prefetchItf,
SL_PREFETCHEVENT_FILLLEVELCHANGE | SL_PREFETCHEVENT_STATUSCHANGE);
CheckErr(res);
/* Configure fill level updates every 5 percent */
(*prefetchItf)->SetFillUpdatePeriod(prefetchItf, 50);
/* Set up the player callback to get events during the decoding */
res = (*playItf)->SetMarkerPosition(playItf, 2000);
CheckErr(res);
res = (*playItf)->SetPositionUpdatePeriod(playItf, 500);
CheckErr(res);
res = (*playItf)->SetCallbackEventsMask(playItf,
SL_PLAYEVENT_HEADATMARKER | SL_PLAYEVENT_HEADATNEWPOS | SL_PLAYEVENT_HEADATEND);
CheckErr(res);
res = (*playItf)->RegisterCallback(playItf, PlayEventCallback, NULL);
CheckErr(res);
/* Display duration */
SLmillisecond durationInMsec = SL_TIME_UNKNOWN;
res = (*playItf)->GetDuration(playItf, &durationInMsec);
CheckErr(res);
if (durationInMsec == SL_TIME_UNKNOWN) {
fprintf(stdout, "Content duration is unknown (before starting to prefetch)\n");
} else {
fprintf(stdout, "Content duration is %u ms (before starting to prefetch)\n",
durationInMsec);
}
/* Set the player volume */
res = (*volItf)->SetVolumeLevel( volItf, -300);
CheckErr(res);
/* Play the URI */
/* first cause the player to prefetch the data */
fprintf(stdout, "Before set to PAUSED\n");
res = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PAUSED );
fprintf(stdout, "After set to PAUSED\n");
CheckErr(res);
usleep(100 * 1000);
/* wait until there's data to play */
//SLpermille fillLevel = 0;
SLuint32 prefetchStatus = SL_PREFETCHSTATUS_UNDERFLOW;
SLuint32 timeOutIndex = 100; // 10s
while ((prefetchStatus != SL_PREFETCHSTATUS_SUFFICIENTDATA) && (timeOutIndex > 0) &&
!prefetchError) {
usleep(100 * 1000);
(*prefetchItf)->GetPrefetchStatus(prefetchItf, &prefetchStatus);
timeOutIndex--;
}
if (timeOutIndex == 0 || prefetchError) {
fprintf(stderr, "We\'re done waiting, failed to prefetch data in time, exiting\n");
goto destroyRes;
}
/* Display duration again, */
res = (*playItf)->GetDuration(playItf, &durationInMsec);
CheckErr(res);
if (durationInMsec == SL_TIME_UNKNOWN) {
fprintf(stdout, "Content duration is unknown (after prefetch completed)\n");
} else {
fprintf(stdout, "Content duration is %u ms (after prefetch completed)\n", durationInMsec);
}
fprintf(stdout, "URI example: starting to play\n");
res = (*playItf)->SetPlayState( playItf, SL_PLAYSTATE_PLAYING );
CheckErr(res);
#ifdef TEST_VOLUME_ITF
usleep(5*1000 * 1000);
fprintf(stdout, "setting vol to 0\n");
(*volItf)->SetVolumeLevel( volItf, 0);
usleep(3*1000 * 1000);
fprintf(stdout, "setting vol to -20dB\n");
(*volItf)->SetVolumeLevel( volItf, -2000);
usleep(3*1000 * 1000);
fprintf(stdout, "mute\n");
(*volItf)->SetMute( volItf, SL_BOOLEAN_TRUE);
usleep(3*1000 * 1000);
fprintf(stdout, "setting vol to 0dB while muted\n");
(*volItf)->SetVolumeLevel( volItf, 0);
usleep(3*1000 * 1000);
fprintf(stdout, "unmuting\n");
(*volItf)->SetMute( volItf, SL_BOOLEAN_FALSE);
usleep(3*1000 * 1000);
#endif
#ifndef TEST_COLD_START
usleep(durationInMsec * 1000);
#else
/* Wait as long as the duration of the content before stopping */
/* Experiment: wait for the duration + 200ms: with a cold start of the audio hardware, we */
/* won't see the SL_PLAYEVENT_HEADATEND event, due to hw wake up induced latency, but */
/* with a warm start it will be received. */
usleep((durationInMsec + 200) * 1000);
#endif
/* Make sure player is stopped */
fprintf(stdout, "URI example: stopping playback\n");
res = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED);
CheckErr(res);
destroyRes:
/* Destroy the player */
(*player)->Destroy(player);
/* Destroy Output Mix object */
(*OutputMix)->Destroy(OutputMix);
}
/// @cond debug
//****************************************************************************
// Only internal use:
// cTCPWrite callback function
//****************************************************************************
int cTCPWrite()
{
char cmdReply[200];
char msg2send[200];
int resCheck = 0;
DWORD tick;
int countData;
int chars2read;
switch(smInternal)
{
case 0:
// Check if Buffer is free
if(GSMBufferSize() > 0)
{
// Parse Unsol Message
mainGSMStateMachine = SM_GSM_CMD_PENDING;
return -1;
}
else
smInternal++;
case 1:
// Send first AT command
// ---------- TCP Write Command ----------
sprintf(msg2send, "AT+KTCPSND=%d,%d\r",xSocket->number, tcpWriteBufferCount);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 120;
smInternal++;
case 2:
vTaskDelay(20);
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 3:
// Get reply "\r\nCONNECT\r\n"
vTaskDelay(20);
sprintf(msg2send, "\r\nCONNECT");
chars2read = 2;
countData = 4; // GSM buffer should be: <CR><LF>CONNECT<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
else
{
int counterLen = 0;
while(counterLen < tcpWriteBufferCount)
{
GSMWriteCh(tcpWriteBuffer[counterLen]);
counterLen++;
}
// and write --EOF--Pattern-- (without \r)
GSMWrite("--EOF--Pattern--");
}
case 4:
// Get reply (\r\nOK\r\n)
vTaskDelay(20);
// Get OK
sprintf(msg2send, "OK");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
default:
break;
}
smInternal = 0;
// Cmd = 0 only if the last command successfully executed
mainOpStatus.ExecStat = OP_SUCCESS;
mainOpStatus.Function = 0;
mainOpStatus.ErrorCode = 0;
mainGSMStateMachine = SM_GSM_IDLE;
return -1;
}
/// @cond debug
//****************************************************************************
// Only internal use:
// cTCPRead callback function
//****************************************************************************
int cTCPRead()
{
char cmdReply[200];
char msg2send[200];
int resCheck = 0;
DWORD tick;
int countData;
int chars2read;
switch(smInternal)
{
case 0:
// Check if Buffer is free
if(GSMBufferSize() > 0)
{
// Parse Unsol Message
mainGSMStateMachine = SM_GSM_CMD_PENDING;
return -1;
}
else
smInternal++;
case 1:
// Send first AT command
// ---------- TCP Status Update ----------
sprintf(msg2send, "AT+KTCPSTAT=%d\r",xSocket->number);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 60;
smInternal++;
case 2:
vTaskDelay(20);
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
#if defined (STACK_USE_UART)
char debugStr[100];
sprintf(debugStr, "error on function %d, smInternal %d\r\n", mainOpStatus.Function, smInternal);
gsmDebugPrint( debugStr);
vTaskDelay(20);
#endif
return mainOpStatus.ErrorCode;
}
case 3:
// Get reply "\r\n+KTCPSTAT: <status>,<tcp_notif>,<rem_data>,<rcv_data>\r\n"
vTaskDelay(20);
sprintf(msg2send, "+KTCPSTAT");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>+KTCPSTAT: <status>,<tcp_notif>,<rem_data>,<rcv_data><CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
else
{
// Get status
char temp[25];
int res = getfield(':', ',', 5, 1, cmdReply, temp, 500);
if(res != 1)
{
// Execute Error Handler
gsmDebugPrint( "Error in getfield for +KTCPSTAT socket\r\n");
break;
}
else
{
xSocket->status = atoi(temp);
}
// Get tcp_notif
res = getfield(',', ',', 5, 1, cmdReply, temp, 500);
if(res != 1)
{
// Execute Error Handler
gsmDebugPrint( "Error in getfield for +KTCPSTAT socket\r\n");
break;
}
else
{
xSocket->notif = atoi(temp);
}
// Get rcv_data
res = getfield(',', '\r', 6, 3, cmdReply, temp, 500);
if(res != 1)
{
// Execute Error Handler
gsmDebugPrint( "Error in getfield for +KTCPSTAT socket\r\n");
break;
}
else
{
xSocket->rxLen = atoi(temp);
}
}
case 4:
// Get reply (\r\nOK\r\n)
vTaskDelay(1);
// Get OK
sprintf(msg2send, "OK");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 5:
if(xSocket->rxLen == 0)
{
// Break operation
break;
}
// Send first AT command
// ---------- TCP Read Command ----------
if(tcpReadBufferCount > xSocket->rxLen)
tcpReadBufferCount = xSocket->rxLen;
if(tcpReadBufferCount > GSM_BUFFER_SIZE)
tcpReadBufferCount = GSM_BUFFER_SIZE;
sprintf(msg2send, "AT+KTCPRCV=%d,%d\r",xSocket->number, tcpReadBufferCount);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 60;
smInternal++;
case 6:
vTaskDelay(1);
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 7:
// Get reply "\r\nCONNECT\r\n"
vTaskDelay(1);
sprintf(msg2send, "CONNECT");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>CONNECT<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
else
{
// Read data from TCP Socket
int rxCount = 0;
int retCount = 0;
while(rxCount < tcpReadBufferCount)
{
char tmp[1];
retCount = GSMRead(tmp, 1);
*(tcpReadBuffer+rxCount) = tmp[0];
rxCount += retCount;
if(retCount == 0)
vTaskDelay(1);
}
// Set tcpReadBufferCount as the effective number of BYTEs read
tcpReadBufferCount = rxCount;
}
case 8:
// Get reply (--EOF--Pattern--\r\nOK\r\n)
vTaskDelay(1);
// Get OK
sprintf(msg2send, "--EOF--Pattern--\r\nOK");
chars2read = 2;
countData = 0; // GSM buffer should be: --EOF--Pattern--<CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
default:
break;
}
smInternal = 0;
// Cmd = 0 only if the last command successfully executed
mainOpStatus.ExecStat = OP_SUCCESS;
mainOpStatus.Function = 0;
mainOpStatus.ErrorCode = 0;
mainGSMStateMachine = SM_GSM_IDLE;
return -1;
}
/// @cond debug
//****************************************************************************
// Only internal use:
// cTCPClientClose callback function
//****************************************************************************
int cTCPClientClose()
{
char cmdReply[200];
char msg2send[200];
int resCheck = 0;
DWORD tick;
int countData;
int chars2read;
switch(smInternal)
{
case 0:
// Check if Buffer is free
if(GSMBufferSize() > 0)
{
// Parse Unsol Message
mainGSMStateMachine = SM_GSM_CMD_PENDING;
return -1;
}
else
smInternal++;
case 1:
// Send first AT command
// ---------- TCP Connection Close ----------
sprintf(msg2send, "AT+KTCPCLOSE=%d,1\r",xSocket->number);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 60;
smInternal++;
case 2:
vTaskDelay(20);
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 3:
// Get reply (\r\nOK\r\n)
vTaskDelay(1);
// Get OK
sprintf(msg2send, "OK");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 4:
// Send AT command
// ---------- Delete TCP Socket ----------
sprintf(msg2send, "AT+KTCPDEL=%d\r",xSocket->number);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 2;
smInternal++;
case 5:
vTaskDelay(20);
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 6:
// Get reply (\r\nOK\r\n)
vTaskDelay(1);
// Get OK
sprintf(msg2send, "OK");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
else
{
xSocket->number = INVALID_SOCKET;
}
default:
break;
}
smInternal = 0;
// Cmd = 0 only if the last command successfully executed
mainOpStatus.ExecStat = OP_SUCCESS;
mainOpStatus.Function = 0;
mainOpStatus.ErrorCode = 0;
mainGSMStateMachine = SM_GSM_IDLE;
return -1;
}
/// @cond debug
//****************************************************************************
// Only internal use:
// cTCPClientOpen callback function
//****************************************************************************
int cTCPClientOpen()
{
char cmdReply[200];
char msg2send[200];
int resCheck = 0;
DWORD tick;
int countData;
int chars2read;
switch(smInternal)
{
case 0:
// Check if Buffer is free
if(GSMBufferSize() > 0)
{
// Parse Unsol Message
mainGSMStateMachine = SM_GSM_CMD_PENDING;
return -1;
}
else
smInternal++;
case 1:
// Send first AT command
// ---------- TCP Connection Configuration ----------
sprintf(msg2send, "AT+KTCPCFG=0,0,\"%s\",%d\r",xIPAddress, xTCPPort);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 2;
smInternal++;
case 2:
vTaskDelay(1);
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 3:
// Get reply "+KTCPCFG: <socket>"
vTaskDelay(1);
sprintf(msg2send, "+KTCPCFG");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>+KTCPCFG: <socket><CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
else
{
// Get socket number
char temp[25];
int res = getfield(':', '\r', 5, 1, cmdReply, temp, 500);
if(res != 1)
{
// Execute Error Handler
gsmDebugPrint( "Error in getfield\r\n");
break;
}
else
{
xSocket->number = atoi(temp);
}
}
case 4:
// Get reply (\r\nOK\r\n)
vTaskDelay(1);
// Get OK
sprintf(msg2send, "OK");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 5:
// ---------- Initiate TCP Connection ----------
sprintf(msg2send, "AT+KTCPCNX=%d\r",xSocket->number);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 180;
smInternal++;
case 6:
vTaskDelay(1);
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
xSocket->number = INVALID_SOCKET;
return mainOpStatus.ErrorCode;
}
case 7:
// Get reply (\r\nOK\r\n)
vTaskDelay(1);
// Get OK
sprintf(msg2send, "\r\nOK");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
xSocket->number = INVALID_SOCKET;
return mainOpStatus.ErrorCode;
}
default:
break;
}
smInternal = 0;
// Cmd = 0 only if the last command successfully executed
mainOpStatus.ExecStat = OP_SUCCESS;
mainOpStatus.Function = 0;
mainOpStatus.ErrorCode = 0;
mainGSMStateMachine = SM_GSM_IDLE;
return -1;
}
/// @cond debug
int cCALLVoiceStart()
{
char cmdReply[200];
char msg2send[200];
int resCheck = 0;
DWORD tick;
int countData;
int chars2read;
switch (smInternal)
{
case 0:
// Check if Buffer is free
if(GSMBufferSize() > 0)
{
// Parse Unsol Message
mainGSMStateMachine = SM_GSM_CMD_PENDING;
return -1;
}
else
smInternal++;
case 1:
// Send first AT command
sprintf(msg2send, "ATD=\"%s\";\r", mainCall.CallerID);
GSMWrite(msg2send);
// Start timeout count
tick = TickGetDiv64K(); // 1 tick every seconds
maxtimeout = 60;
smInternal++;
case 2:
// Check ECHO
countData = 0;
resCheck = CheckEcho(countData, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
case 3:
// Get reply (OK, BUSY, ERROR, etc...)
vTaskDelay(1);
// Get OK
sprintf(msg2send, "OK");
chars2read = 2;
countData = 2; // GSM buffer should be: <CR><LF>OK<CR><LF>
resCheck = CheckCmd(countData, chars2read, tick, cmdReply, msg2send, maxtimeout);
CheckErr(resCheck, &smInternal, &tick);
if(resCheck)
{
return mainOpStatus.ErrorCode;
}
default:
break;
}
mainCall.Status = CALL_IN_PROG;
smInternal = 0;
// Cmd = 0 only if the last command successfully executed
mainOpStatus.ExecStat = OP_SUCCESS;
mainOpStatus.Function = 0;
mainOpStatus.ErrorCode = 0;
mainGSMStateMachine = SM_GSM_IDLE;
return -1;
}
