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On passing, fix the bogus datalen on outgoing frames
just fixed in 1.4 rev.48583



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@48588 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
2006-12-19 21:29:55 +00:00
parent fa5931d0c3
commit 8a26d19b7c
1 changed files with 28 additions and 11 deletions
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37
apps/app_sms.c
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@@ -80,6 +80,12 @@ static char *descrip =
"smsq (a separate software) is a command to generate message\n" "smsq (a separate software) is a command to generate message\n"
"queues and send messages.\n"; "queues and send messages.\n";
/*
* 80 samples of a single period of the wave. At 8000 Hz, it means these
* are the samples of a 100 Hz signal.
* To pick the two carriers (1300Hz for '1' and 2100 Hz for '0') used by
* the modulation, we should take one every 13 and 21 samples respectively.
*/
static signed short wave[] = { static signed short wave[] = {
0, 392, 782, 1167, 1545, 1913, 2270, 2612, 2939, 3247, 3536, 3802, 4045, 4263, 4455, 4619, 4755, 4862, 4938, 4985, 0, 392, 782, 1167, 1545, 1913, 2270, 2612, 2939, 3247, 3536, 3802, 4045, 4263, 4455, 4619, 4755, 4862, 4938, 4985,
5000, 4985, 4938, 4862, 4755, 4619, 4455, 4263, 4045, 3802, 3536, 3247, 2939, 2612, 2270, 1913, 1545, 1167, 782, 392, 5000, 4985, 4938, 4862, 4755, 4619, 4455, 4263, 4045, 3802, 3536, 3247, 2939, 2612, 2270, 1913, 1545, 1167, 782, 392,
@@ -168,11 +174,11 @@ typedef struct sms_s
unsigned char iphasep; /*!< bit phase (0-79) for 1200 bps */ unsigned char iphasep; /*!< bit phase (0-79) for 1200 bps */
unsigned char ibitn; /*!< bit number in byte being received */ unsigned char ibitn; /*!< bit number in byte being received */
unsigned char ibytev; /*!< byte value being received */ unsigned char ibytev; /*!< byte value being received */
unsigned char ibytep; /*!< byte pointer in messafe */ unsigned char ibytep; /*!< byte pointer in message */
unsigned char ibytec; /*!< byte checksum for message */ unsigned char ibytec; /*!< byte checksum for message */
unsigned char ierr; /*!< error flag */ unsigned char ierr; /*!< error flag */
unsigned char ibith; /*!< history of last bits */ unsigned char ibith; /*!< history of last bits */
unsigned char ibitt; /* total of 1's in last 3 bites */ unsigned char ibitt; /*!< total of 1's in last 3 bytes */
/* more to go here */ /* more to go here */
} sms_t; } sms_t;
@@ -1105,7 +1111,7 @@ static void sms_messagerx(sms_t * h)
{ {
sms_debug ("RX", h->imsg); sms_debug ("RX", h->imsg);
/* testing */ /* testing */
switch (h->imsg[0]) { switch (h->imsg[0]) { /* PROTOCOL version 1 */
case 0x91: /* SMS_DATA */ case 0x91: /* SMS_DATA */
{ {
unsigned char cause = sms_handleincoming (h); unsigned char cause = sms_handleincoming (h);
@@ -1157,9 +1163,11 @@ static void sms_messagerx(sms_t * h)
static void sms_messagetx(sms_t * h) static void sms_messagetx(sms_t * h)
{ {
unsigned char c = 0, p; unsigned char c = 0, p;
for (p = 0; p < h->omsg[1] + 2; p++) int len = h->omsg[1] + 2; /* total message length excluding checksum */
for (p = 0; p < len; p++) /* compute checksum */
c += h->omsg[p]; c += h->omsg[p];
h->omsg[h->omsg[1] + 2] = 0 - c; h->omsg[len] = 0 - c; /* actually, (256 - (c & 0fxx)) & 0xff) */
sms_debug ("TX", h->omsg); sms_debug ("TX", h->omsg);
h->obyte = 1; h->obyte = 1;
h->opause = 200; h->opause = 200;
@@ -1167,8 +1175,9 @@ static void sms_messagetx(sms_t * h)
h->opause = 2400; /* initial message delay 300ms (for BT) */ h->opause = 2400; /* initial message delay 300ms (for BT) */
h->obytep = 0; h->obytep = 0;
h->obitp = 0; h->obitp = 0;
h->osync = 80; /* Note - setting osync triggers the generator */
h->obyten = h->omsg[1] + 3; h->osync = 80; /* 80 sync bits */
h->obyten = len + 1; /* bytes to send (including checksum) */
} }
static int sms_generate (struct ast_channel *chan, void *data, int len, int samples) static int sms_generate (struct ast_channel *chan, void *data, int len, int samples)
@@ -1198,7 +1207,7 @@ static int sms_generate (struct ast_channel *chan, void *data, int len, int samp
#else #else
f.subclass = AST_FORMAT_SLINEAR; f.subclass = AST_FORMAT_SLINEAR;
#endif #endif
f.datalen = len; f.datalen = samples * SAMPLE2LEN;
f.offset = AST_FRIENDLY_OFFSET; f.offset = AST_FRIENDLY_OFFSET;
f.mallocd = 0; f.mallocd = 0;
f.data = buf; f.data = buf;
@@ -1490,8 +1499,16 @@ static int sms_exec (struct ast_channel *chan, void *data)
} }
/* Do our thing here */ /* Do our thing here */
while (ast_waitfor (chan, -1) > -1 && !h.hangup) for (;;) {
{ int i = ast_waitfor(chan, -1);
if (i < 0) {
ast_log(LOG_NOTICE, "waitfor failed\n");
break;
}
if (h.hangup) {
ast_log(LOG_NOTICE, "channel hangup\n");
break;
}
f = ast_read (chan); f = ast_read (chan);
if (!f) if (!f)
break; break;