static int Dolphin_set_device (int device)
{
reset_watchdog();
switch (device)
{
case NO_DEVICE:
if (voice_write("AT+VLS=0") != OK)
return(FAIL);
if (voice_command("", "AT+VLS=0|OK") == VMA_USER_1)
voice_command("", "OK");
return(OK);
case DIALUP_LINE:
voice_command("AT+VLS=2", "VCON");
return(OK);
case INTERNAL_SPEAKER:
voice_command("AT+VLS=16", "VCON");
return(OK);
};
lprintf(L_WARN, "%s: Unknown output device (%d)", voice_modem_name,
device);
return(FAIL);
}
void Multitech_2834_fix_modem(int expect_error)
{
char buffer[VOICE_BUF_LEN];
int result = VMA_FAIL;
if (!cvd.enable_command_echo.d.i) {
/* Multitech 2834 ZDXV modem (ROM 0416A NORTH AMERICAN)
* -- [email protected]
* As I understand the problem -- some Multitech 2834 ZDXv
* modems garble the command echo at certain points. To counter
* this, a dummy command is sent at those points (just AT)
* and the echo is ignored: this is the purpose of
* Multitech_2834_fix_modem(). If echo is off, there is
* no need to prevent garbled commands echos, and thus no need
* for Multitech_2834_fix_modem() (in fact, it would fail).
*/
return;
}
/* my ZDXv with 0416A firmware seems to exhibit a bug here -
* if you send the modem 'AT', it echos 'TA'. If you send it
* 'ATI', it echos 'TIA'!
*/
voice_write("AT");
do {
if (voice_read(buffer) != OK) {
voice_flush(1);
break;
}
result = voice_analyze(buffer, "AT", TRUE);
if (result == VMA_FAIL) {
voice_flush(1);
break;
}
if (result == VMA_ERROR) {
lprintf(L_WARN, "%s: Modem returned ERROR",
program_name);
voice_flush(1);
break;
}
} while (result != VMA_USER_1);
if (result == VMA_USER_1 && expect_error)
lprintf(L_WARN, "%s: Modem answered correctly - mail [email protected]",
program_name);
if (result != VMA_USER_1 && !expect_error)
lprintf(L_WARN, "%s: Modem answered incorrectly - mail [email protected]",
program_name);
}
static int ISDN4Linux_set_device(int device)
{
int result;
reset_watchdog();
switch (device)
{
case NO_DEVICE:
voice_write("AT+VLS=0");
result = voice_command("", "OK|NO CARRIER|AT+VLS=0");
if (result == VMA_USER_3)
result = voice_command("", "OK|NO CARRIER");
switch(result)
{
case VMA_USER_2:
queue_event(create_event(NO_CARRIER));
/* Fall through */
case VMA_USER_1:
return (OK);
}
return(FAIL);
case DIALUP_LINE:
switch (voice_command("AT+VLS=2", "VCON|OK|NO CARRIER"))
{
case VMA_USER_3:
queue_event(create_event(NO_CARRIER));
/* Fall through */
case VMA_USER_1:
case VMA_USER_2:
return(OK);
}
return(FAIL);
}
lprintf(L_WARN, "ISDN4Linux handle event: Unknown output device (%d)",
device);
return(FAIL);
}