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restructure a block to reduce nesting 

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@48750 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
rizzo 2006-12-21 18:35:22 +00:00
parent 2ea5003b5b
commit 69f35c5e62
1 changed files with 98 additions and 99 deletions
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61
apps/app_sms.c
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@ -189,8 +189,7 @@ static const unsigned short escapes[] = {
#define SMSLEN 160 /*!< max SMS length */
typedef struct sms_s
{
typedef struct sms_s {
unsigned char hangup; /*!< we are done... */
unsigned char err; /*!< set for any errors */
unsigned char smsc:1; /*!< we are SMSC */
@ -1556,22 +1555,43 @@ static int sms_generate (struct ast_channel *chan, void *data, int len, int samp
* bits in h->ibitt.
* XXX the rest is to be determined.
*/
static void sms_process (sms_t * h, int samples, signed short *data)
static void sms_process(sms_t * h, int samples, signed short *data)
{
#if 1
/* Do we really need to remain deaf while a packet is
* being transmitted ?
int bit;
/*
* Ignore incoming audio while a packet is being transmitted,
* the protocol is half-duplex.
* Unfortunately this means that if the outbound and incoming
* transmission overlap (which is an error condition anyways),
* we may miss some data and this makes debugging harder.
*/
if (h->obyten || h->osync)
return; /* sending */
#endif
while (samples--) {
return;
for ( ; samples-- ; data++) {
unsigned long long m0, m1;
if (abs (*data) > h->imag)
h->imag = abs (*data);
else
h->imag = h->imag * 7 / 8;
if (h->imag > 500) {
if (h->imag <= 500) { /* below [arbitrary] threahold: lost carrier */
if (h->idle++ == 80000) { /* nothing happening */
ast_log (LOG_NOTICE, "No data, hanging up\n");
h->hangup = 1;
h->err = 1;
}
if (h->ierr) { /* error */
ast_log (LOG_NOTICE, "Error %d, hanging up\n", h->ierr);
/* Protocol 1 */
h->err = 1;
h->omsg[0] = 0x92; /* error */
h->omsg[1] = 1;
h->omsg[2] = h->ierr;
sms_messagetx (h); /* send error */
}
h->ierr = h->ibitn = h->ibytep = h->ibytec = 0;
continue;
}
h->idle = 0;
/* multiply signal by the two carriers. */
@ -1592,8 +1612,6 @@ static void sms_process (sms_t * h, int samples, signed short *data)
h->ips1 -= 80;
if ((h->ipc1 += 13) >= 80)
h->ipc1 -= 80;
{
char bit;
/* set new bit to 1 or 0 depending on which value is stronger */
h->ibith <<= 1;
@ -1659,25 +1677,6 @@ static void sms_process (sms_t * h, int samples, signed short *data)
}
}
}
} else { /* lost carrier */
if (h->idle++ == 80000) { /* nothing happening */
ast_log (LOG_NOTICE, "No data, hanging up\n");
h->hangup = 1;
h->err = 1;
}
if (h->ierr) { /* error */
ast_log (LOG_NOTICE, "Error %d, hanging up\n", h->ierr);
/* Protocol 1 */
h->err = 1;
h->omsg[0] = 0x92; /* error */
h->omsg[1] = 1;
h->omsg[2] = h->ierr;
sms_messagetx (h); /* send error */
}
h->ierr = h->ibitn = h->ibytep = h->ibytec = 0;
}
data++;
}
}
static struct ast_generator smsgen = {