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#include "project.h"
#define DIGIT_TIMEOUT 4000
static char dialstr[32] = "ATDT";
static unsigned dialstr_ptr = 4;
static int dialstr_timeout;
void
dialstr_clear (void)
{
dialstr_ptr = 4;
dialstr[dialstr_ptr] = ';';
dialstr[dialstr_ptr + 1] = 0;
dialstr_timeout = 0;
}
static void redial(void)
{
if (in_call)
terminate_call();
dialstr_timeout = 1;
}
static void dialstr_hook(char digit)
{
switch (digit) {
case '1':
ringer_enable();
ringer_ring(400);
break;
case '2':
ringer_disable();
break;
case '0':
for (;;) scb_reset_system();
break;
}
}
static void dialstr_call(char digit)
{
static char cmd[]={'A','T','+','V','T','S','=','"','{','0',',','3','}','"',0};
switch (digit) {
case 'R':
redial();
break;
case 'M':
modem_cmd("AT+CMUT=1");
break;
case 'U':
modem_cmd("AT+CMUT=0");
break;
default:
cmd[9]=digit;
modem_cmd(cmd);
break;
}
}
void
dialstr_digit (char digit)
{
dialtone_off ();
printf ("Dialed %c\r\n",digit);
if (hook) {
dialstr_timeout=0;
dialstr_hook(digit);
return;
}
if (in_call) {
dialstr_timeout=0;
dialstr_call(digit);
return;
}
switch(digit) {
case 'R':
redial();
break;
case 'M':
break;
case 'U':
break;
default:
if (!dialstr_timeout)
dialstr_clear ();
if (dialstr_ptr >= (sizeof (dialstr) - 2))
break;
dialstr[dialstr_ptr] = digit;
dialstr_ptr++;
dialstr[dialstr_ptr] = ';';
dialstr[dialstr_ptr + 1] = 0;
dialstr_timeout = DIGIT_TIMEOUT;
}
}
void
dialstr_dial (void)
{
printf ("Dialing %s\r\n", dialstr + 4);
modem_tone(17);
modem_dial (dialstr);
}
void
dialstr_tick (void)
{
if (!dialstr_timeout)
return;
dialstr_timeout--;
if (dialstr_timeout)
return;
if (!hook)
dialstr_dial ();
}
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