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restructure a block to reduce nesting

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@48750 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
2006-12-21 18:35:22 +00:00
parent 1ce6943f4f
commit 067573020d
1 changed files with 98 additions and 99 deletions
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59
apps/app_sms.c
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@@ -189,8 +189,7 @@ static const unsigned short escapes[] = {
#define SMSLEN 160 /*!< max SMS length */ #define SMSLEN 160 /*!< max SMS length */
typedef struct sms_s typedef struct sms_s {
{
unsigned char hangup; /*!< we are done... */ unsigned char hangup; /*!< we are done... */
unsigned char err; /*!< set for any errors */ unsigned char err; /*!< set for any errors */
unsigned char smsc:1; /*!< we are SMSC */ unsigned char smsc:1; /*!< we are SMSC */
@@ -1558,20 +1557,41 @@ static int sms_generate (struct ast_channel *chan, void *data, int len, int samp
*/ */
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 int bit;
/* Do we really need to remain deaf while a packet is
* being transmitted ? /*
* 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) if (h->obyten || h->osync)
return; /* sending */ return;
#endif for ( ; samples-- ; data++) {
while (samples--) {
unsigned long long m0, m1; unsigned long long m0, m1;
if (abs (*data) > h->imag) if (abs (*data) > h->imag)
h->imag = abs (*data); h->imag = abs (*data);
else else
h->imag = h->imag * 7 / 8; 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; h->idle = 0;
/* multiply signal by the two carriers. */ /* 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; h->ips1 -= 80;
if ((h->ipc1 += 13) >= 80) if ((h->ipc1 += 13) >= 80)
h->ipc1 -= 80; h->ipc1 -= 80;
{
char bit;
/* set new bit to 1 or 0 depending on which value is stronger */ /* set new bit to 1 or 0 depending on which value is stronger */
h->ibith <<= 1; 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 = { static struct ast_generator smsgen = {