bool MySkype::SetupAudioDevices(uint micIdx, uint spkIdx){
SEStringList spkHandles, spkNames, spkProductIDs;
SEStringList micHandles, micNames, micProductIDs;
if (!GetAvailableOutputDevices (spkHandles, spkNames, spkProductIDs)) throw SkypeException("Can't obtain available output devices.\n");
if (!GetAvailableRecordingDevices (micHandles, micNames, micProductIDs)) throw SkypeException("Can't obtain available recording revices.\n");
if (micIdx > (micHandles.size() + 1))
{
printf("[SKYPE]: Invalid mic device no. (%d) passed to MySkype::SetupAudioDevices\n", micIdx);
throw SkypeException("Invalid mic device passed to MySkype::SetupAudioDevices.\n");
};
if (spkIdx > (spkHandles.size() + 1))
{
printf("[SKYPE]: Invalid speaker device no. (%d) passed to MySkype::SetupAudioDevices\n", spkIdx);
throw SkypeException("Invalid speaker device passed to MySkype::SetupAudioDevices.\n");
};
printf("[SKYPE]: Setting mic to %s\n", (const char*)micNames[micIdx]);
printf("[SKYPE]: Setting speakers to %s\n", (const char*)spkNames[spkIdx]);
if (!SelectSoundDevices(micHandles[micIdx], spkHandles[spkIdx], spkHandles[spkIdx])) throw SkypeException("Can't select sound devices.\n");
if (!SetSpeakerVolume(100)) throw SkypeException("Can't set speker volume.\n");
return true;
}
/**********************************************************
Method decreases speaker volume
return:
ERROR ret. val:
---------------
-1 - comm. line to the GSM module is not free
-2 - GSM module did not answer in timeout
-3 - GSM module has answered "ERROR" string
OK ret val:
-----------
0..100 current speaker volume
**********************************************************/
char GSM::DecSpeakerVolume(void)
{
char ret_val;
byte current_speaker_value;
current_speaker_value = last_speaker_volume;
if (current_speaker_value > 0) {
current_speaker_value--;
ret_val = SetSpeakerVolume(current_speaker_value);
}
else ret_val = 0;
return (ret_val);
}
/**********************************************************
Method increases speaker volume
return:
ERROR ret. val:
---------------
-1 - comm. line to the GSM module is not free
-2 - GSM module did not answer in timeout
-3 - GSM module has answered "ERROR" string
OK ret val:
-----------
0..100 current speaker volume
**********************************************************/
char GSM::IncSpeakerVolume(void)
{
char ret_val;
byte current_speaker_value;
current_speaker_value = last_speaker_volume;
if (current_speaker_value < 100) {
current_speaker_value++;
ret_val = SetSpeakerVolume(current_speaker_value);
}
else ret_val = 100;
return (ret_val);
}
/**********************************************************
Sends parameters for initialization of GSM module
group: 0 - parameters of group 0 - not necessary to be registered in the GSM
1 - parameters of group 1 - it is necessary to be registered
**********************************************************/
void GSM::InitParam(byte group)
{
switch (group) {
case PARAM_SET_0:
// check comm line
if (CLS_FREE != GetCommLineStatus()) return;
SetCommLineStatus(CLS_ATCMD);
// Reset to the factory settings
SendATCmdWaitResp("AT&F1", 1000, 20, "OK", 5);
// switch off echo
SendATCmdWaitResp("ATE0", 500, 20, "OK", 5);
// setup fixed baud rate
SendATCmdWaitResp("AT+IPR=115200", 500, 20, "OK", 5);
// setup mode
SendATCmdWaitResp("AT#SELINT=1", 500, 20, "OK", 5);
// Switch ON User LED - just as signalization we are here
SendATCmdWaitResp("AT#GPIO=8,1,1", 500, 20, "OK", 5);
// Sets GPIO9 as an input = user button
SendATCmdWaitResp("AT#GPIO=9,0,0", 500, 20, "OK", 5);
// allow audio amplifier control
SendATCmdWaitResp("AT#GPIO=5,0,2", 500, 20, "OK", 5);
// Switch OFF User LED- just as signalization we are finished
SendATCmdWaitResp("AT#GPIO=8,0,1", 500, 20, "OK", 5);
SetCommLineStatus(CLS_FREE);
break;
case PARAM_SET_1:
// check comm line
if (CLS_FREE != GetCommLineStatus()) return;
SetCommLineStatus(CLS_ATCMD);
// Audio codec - Full Rate (for DTMF usage)
SendATCmdWaitResp("AT#CODEC=1", 500, 20, "OK", 5);
// Hands free audio path
SendATCmdWaitResp("AT#CAP=1", 500, 20, "OK", 5);
// Echo canceller enabled
SendATCmdWaitResp("AT#SHFEC=1", 500, 20, "OK", 5);
// Ringer tone select (0 to 32)
SendATCmdWaitResp("AT#SRS=26,0", 500, 20, "OK", 5);
// Microphone gain (0 to 7) - response here sometimes takes
// more than 500msec. so 1000msec. is more safety
SendATCmdWaitResp("AT#HFMICG=7", 1000, 20, "OK", 5);
// set the SMS mode to text
SendATCmdWaitResp("AT+CMGF=1", 500, 20, "OK", 5);
// Auto answer after first ring enabled
// auto answer is not used
//SendATCmdWaitResp("ATS0=1", 500, 20, "OK", 5);
// select ringer path to handsfree
SendATCmdWaitResp("AT#SRP=1", 500, 20, "OK", 5);
// select ringer sound level
SendATCmdWaitResp("AT+CRSL=2", 500, 20, "OK", 5);
// we must release comm line because SetSpeakerVolume()
// checks comm line if it is free
SetCommLineStatus(CLS_FREE);
// select speaker volume (0 to 14)
SetSpeakerVolume(9);
// init SMS storage
InitSMSMemory();
// select phonebook memory storage
SendATCmdWaitResp("AT+CPBS=\"SM\"", 1000, 20, "OK", 5);
break;
}
}
