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at_command.c
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at_command.c
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/*
Copyright (C) 2009 - 2010
Artem Makhutov <[email protected]>
http:https://www.makhutov.org
Dmitry Vagin <[email protected]>
bg <[email protected]>
*/
/*
Copyright (C) 2009 - 2010 Artem Makhutov
Artem Makhutov <[email protected]>
http:https://www.makhutov.org
*/
#include "ast_config.h"
#include <asterisk/utils.h>
#include "at_command.h"
//#include ".h"
#include "at_queue.h"
#include "char_conv.h" /* char_to_hexstr_7bit() */
#include "chan_dongle.h" /* struct pvt */
#include "pdu.h" /* build_pdu() */
static const char cmd_at[] = "AT\r";
static const char cmd_chld1x[] = "AT+CHLD=1%d\r";
static const char cmd_chld2[] = "AT+CHLD=2\r";
static const char cmd_clcc[] = "AT+CLCC\r";
static const char cmd_ddsetex2[] = "AT^DDSETEX=2\r";
/*!
* \brief Format and fill generic command
* \param cmd -- the command structure
* \param format -- printf format string
* \param ap -- list of arguments
* \return 0 on success
*/
static int at_fill_generic_cmd_va (at_queue_cmd_t * cmd, const char * format, va_list ap)
{
char buf[4096];
cmd->length = vsnprintf (buf, sizeof(buf)-1, format, ap);
buf[cmd->length] = 0;
cmd->data = ast_strdup(buf);
if(!cmd->data)
return -1;
cmd->flags &= ~ATQ_CMD_FLAG_STATIC;
return 0;
}
/*!
* \brief Format and fill generic command
* \param cmd -- the command structure
* \param format -- printf format string
* \return 0 on success
*/
static int __attribute__ ((format(printf, 2, 3)))
at_fill_generic_cmd (at_queue_cmd_t * cmd, const char * format, ...)
{
va_list ap;
int rv;
va_start(ap, format);
rv = at_fill_generic_cmd_va(cmd, format, ap);
va_end(ap);
return rv;
}
/*!
* \brief Enque generic command
* \param pvt -- pvt structure
* \param cmd -- at command
* \param prio -- queue priority of this command
* \param format -- printf format string including AT command text
* \return 0 on success
*/
static int __attribute__ ((format(printf, 4, 5)))
at_enque_generic (struct cpvt* cpvt, at_cmd_t cmd, int prio, const char * format, ...)
{
va_list ap;
int rv;
at_queue_cmd_t at_cmd = ATQ_CMD_DECLARE_DYN(cmd);
va_start(ap, format);
rv = at_fill_generic_cmd_va(&at_cmd, format, ap);
va_end(ap);
if(!rv)
rv = at_queue_insert(cpvt, &at_cmd, 1, prio);
return rv;
}
static int at_enque_init_gsm(struct cpvt* cpvt, at_cmd_t from_command)
{
static const char cmd2[] = "ATZ\r";
static const char cmd3[] = "ATE0\r";
static const char cmd5[] = "AT+CGMI\r";
static const char cmd6[] = "AT+CSCA?\r";
static const char cmd7[] = "AT+CGMM\r";
static const char cmd8[] = "AT+CGMR\r";
static const char cmd9[] = "AT+CMEE=0\r";
static const char cmd10[] = "AT+CGSN\r";
static const char cmd11[] = "AT+CIMI\r";
static const char cmd12[] = "AT+CPIN?\r";
static const char cmd13[] = "AT+COPS=0,0\r";
static const char cmd14[] = "AT+CREG=2\r";
static const char cmd15[] = "AT+CREG?\r";
static const char cmd16[] = "AT+CNUM\r";
static const char cmd17[] = "AT^CVOICE?\r";
// static const char cmd18[] = "AT+CLIP=0\r";
static const char cmd19[] = "AT+CSSN=1,1\r";
static const char cmd21[] = "AT+CSCS=\"UCS2\"\r";
static const char cmd22[] = "AT+CPMS=\"SM\",\"SM\",\"SM\"\r";
static const char cmd23[] = "AT+CNMI=2,1,0,0,0\r";
static const char cmd24[] = "AT+CSQ\r";
static const at_queue_cmd_t st_cmds[] = {
ATQ_CMD_DECLARE_ST(CMD_AT, cmd_at),
ATQ_CMD_DECLARE_ST(CMD_AT_Z, cmd2), /* optional, reload configuration */
ATQ_CMD_DECLARE_ST(CMD_AT_E, cmd3), /* disable echo */
ATQ_CMD_DECLARE_DYN(CMD_AT_U2DIAG), /* optional, Enable or disable some devices */
ATQ_CMD_DECLARE_ST(CMD_AT_CGMI, cmd5), /* Getting manufacturer info */
ATQ_CMD_DECLARE_ST(CMD_AT_CGMM, cmd7), /* Get Product name */
ATQ_CMD_DECLARE_ST(CMD_AT_CGMR, cmd8), /* Get software version */
ATQ_CMD_DECLARE_ST(CMD_AT_CMEE, cmd9), /* set MS Error Report to 'ERROR' only TODO: change to 1 or 2 and add support in response handlers */
ATQ_CMD_DECLARE_ST(CMD_AT_CGSN, cmd10), /* IMEI Read */
ATQ_CMD_DECLARE_ST(CMD_AT_CIMI, cmd11), /* IMSI Read */
ATQ_CMD_DECLARE_ST(CMD_AT_CPIN, cmd12), /* check is password authentication requirement and the remainder validation times */
ATQ_CMD_DECLARE_ST(CMD_AT_COPS_INIT, cmd13), /* Read operator name */
ATQ_CMD_DECLARE_STI(CMD_AT_CREG_INIT,cmd14), /* GSM registration status setting */
ATQ_CMD_DECLARE_ST(CMD_AT_CREG, cmd15), /* GSM registration status */
ATQ_CMD_DECLARE_ST(CMD_AT_CNUM, cmd16), /* Get Subscriber number */
ATQ_CMD_DECLARE_ST(CMD_AT_CVOICE, cmd17), /* read the current voice mode, and return sampling rate、data bit、frame period */
ATQ_CMD_DECLARE_ST(CMD_AT_CSCA, cmd6), /* Get SMS Service center address */
// ATQ_CMD_DECLARE_ST(CMD_AT_CLIP, cmd18), /* disable Calling line identification presentation in unsolicited response +CLIP: <number>,<type>[,<subaddr>,<satype>[,[<alpha>][,<CLI validitity>]] */
ATQ_CMD_DECLARE_ST(CMD_AT_CSSN, cmd19), /* activate Supplementary Service Notification with CSSI and CSSU */
ATQ_CMD_DECLARE_DYN(CMD_AT_CMGF), /* Set Message Format */
ATQ_CMD_DECLARE_STI(CMD_AT_CSCS, cmd21), /* UCS-2 text encoding */
ATQ_CMD_DECLARE_ST(CMD_AT_CPMS, cmd22), /* SMS Storage Selection */
/* pvt->initialized = 1 after successful of CMD_AT_CNMI */
ATQ_CMD_DECLARE_ST(CMD_AT_CNMI, cmd23), /* New SMS Notification Setting +CNMI=[<mode>[,<mt>[,<bm>[,<ds>[,<bfr>]]]]] */
ATQ_CMD_DECLARE_ST(CMD_AT_CSQ, cmd24), /* Query Signal quality */
};
unsigned in, out;
int begin = -1;
int err;
char * ptmp1 = NULL;
char * ptmp2 = NULL;
pvt_t * pvt = cpvt->pvt;
at_queue_cmd_t cmds[ITEMS_OF(st_cmds)];
/* customize list */
for(in = out = 0; in < ITEMS_OF(st_cmds); in++)
{
if(begin == -1)
{
if(st_cmds[in].cmd == from_command)
begin = in;
else
continue;
}
if(st_cmds[in].cmd == CMD_AT_Z && !CONF_SHARED(pvt, resetdongle))
continue;
if(st_cmds[in].cmd == CMD_AT_U2DIAG && CONF_SHARED(pvt, u2diag) == -1)
continue;
memcpy(&cmds[out], &st_cmds[in], sizeof(st_cmds[in]));
if(cmds[out].cmd == CMD_AT_U2DIAG)
{
err = at_fill_generic_cmd(&cmds[out], "AT^U2DIAG=%d\r", CONF_SHARED(pvt, u2diag));
if(err)
goto failure;
ptmp1 = cmds[out].data;
}
else if(cmds[out].cmd == CMD_AT_CMGF)
{
err = at_fill_generic_cmd(&cmds[out], "AT+CMGF=%d\r", CONF_SHARED(pvt, smsaspdu) ? 0 : 1);
if(err)
goto failure;
ptmp2 = cmds[out].data;
}
if(cmds[out].cmd == from_command)
begin = out;
out++;
}
if(out > 0)
return at_queue_insert(cpvt, cmds, out, 0);
return 0;
failure:
if(ptmp1)
ast_free(ptmp1);
if(ptmp2)
ast_free(ptmp2);
return err;
}
static int at_enque_init_cdma(struct cpvt* cpvt, at_cmd_t from_command)
{
static const char cmd2[] = "ATZ\r";
static const char cmd3[] = "ATE0\r";
static const char cmd5[] = "AT+CGMI\r";
static const char cmd7[] = "AT+CGMM\r";
static const char cmd8[] = "AT+CGMR\r";
static const char cmd9[] = "AT+CMEE=0\r";
static const char cmd10[] = "AT+CGSN\r";
static const char cmd12[] = "AT+CPIN?\r";
static const char cmd17[] = "AT^CVOICE?\r";
static const char cmd22[] = "AT+CPMS=\"SM\",\"SM\",\"SM\"\r";
static const char cmd23[] = "AT+CNMI=1,1,0,0,0\r";
static const char cmd24[] = "AT+CSQ\r";
static const at_queue_cmd_t st_cmds[] = {
ATQ_CMD_DECLARE_ST(CMD_AT, cmd_at),
ATQ_CMD_DECLARE_ST(CMD_AT_Z, cmd2), /* optional, reload configuration */
ATQ_CMD_DECLARE_ST(CMD_AT_E, cmd3), /* disable echo */
ATQ_CMD_DECLARE_DYN(CMD_AT_U2DIAG), /* optional, Enable or disable some devices */
ATQ_CMD_DECLARE_ST(CMD_AT_CGMI, cmd5), /* Getting manufacturer info */
ATQ_CMD_DECLARE_ST(CMD_AT_CGMM, cmd7), /* Get Product name */
ATQ_CMD_DECLARE_ST(CMD_AT_CGMR, cmd8), /* Get software version */
/*
* set MS Error Report to 'ERROR' only
* TODO: change to 1 or 2 and add support in response handlers
*/
ATQ_CMD_DECLARE_ST(CMD_AT_CMEE, cmd9),
ATQ_CMD_DECLARE_ST(CMD_AT_CGSN, cmd10), /* IMEI Read */
/*
* check is password authentication requirement
* and the remainder validation times
*/
ATQ_CMD_DECLARE_ST(CMD_AT_CPIN, cmd12),
/*
* read the current voice mode,
* and return sampling rate、data bit、frame period
*/
ATQ_CMD_DECLARE_ST(CMD_AT_CVOICE, cmd17),
ATQ_CMD_DECLARE_DYN(CMD_AT_CMGF), /* Set Message Format */
ATQ_CMD_DECLARE_ST(CMD_AT_CPMS, cmd22), /* SMS Storage Selection */
/*
* pvt->initialized = 1 after successful of CMD_AT_CNMI
*
* New SMS Notification Setting
* +CNMI=[<mode>[,<mt>[,<bm>[,<ds>[,<bfr>]]]]]
*/
ATQ_CMD_DECLARE_ST(CMD_AT_CNMI, cmd23),
/*
* Query Signal quality
*/
ATQ_CMD_DECLARE_ST(CMD_AT_CSQ, cmd24),
};
unsigned in, out;
int begin = -1;
int err;
char * ptmp1 = NULL;
char * ptmp2 = NULL;
pvt_t * pvt = cpvt->pvt;
at_queue_cmd_t cmds[ITEMS_OF(st_cmds)];
pvt->gsm_reg_status = 1;
pvt->gsm_registered = 1;
/* customize list */
for(in = out = 0; in < ITEMS_OF(st_cmds); in++)
{
if(begin == -1)
{
if(st_cmds[in].cmd == from_command)
begin = in;
else
continue;
}
if(st_cmds[in].cmd == CMD_AT_Z && !CONF_SHARED(pvt, resetdongle))
continue;
if(st_cmds[in].cmd == CMD_AT_U2DIAG && CONF_SHARED(pvt, u2diag) == -1)
continue;
memcpy(&cmds[out], &st_cmds[in], sizeof(st_cmds[in]));
if(cmds[out].cmd == CMD_AT_U2DIAG)
{
err = at_fill_generic_cmd(&cmds[out], "AT^U2DIAG=%d\r", CONF_SHARED(pvt, u2diag));
if(err)
goto failure;
ptmp1 = cmds[out].data;
}
else if(cmds[out].cmd == CMD_AT_CMGF)
{
err = at_fill_generic_cmd(&cmds[out], "AT+CMGF=%d\r", CONF_SHARED(pvt, smsaspdu) ? 0 : 1);
if(err)
goto failure;
ptmp2 = cmds[out].data;
}
if(cmds[out].cmd == from_command)
begin = out;
out++;
}
if(out > 0)
return at_queue_insert(cpvt, cmds, out, 0);
return 0;
failure:
if(ptmp1)
ast_free(ptmp1);
if(ptmp2)
ast_free(ptmp2);
return err;
}
/*!
* \brief Enque initialization commands
* \param cpvt -- cpvt structure
* \param from_command -- begin initialization from this command in list
* \return 0 on success
*/
EXPORT_DEF int at_enque_initialization(struct cpvt* cpvt, at_cmd_t from_command)
{
pvt_t * pvt = cpvt->pvt;
if (CONF_SHARED(pvt, cdma))
return at_enque_init_cdma(cpvt, from_command);
else
return at_enque_init_gsm(cpvt, from_command);
}
/*!
* \brief Enque the AT+COPS? command
* \param cpvt -- cpvt structure
* \return 0 on success
*/
EXPORT_DEF int at_enque_cops (struct cpvt* cpvt)
{
static const char cmd[] = "AT+COPS?\r";
static at_queue_cmd_t at_cmd = ATQ_CMD_DECLARE_ST(CMD_AT_COPS, cmd);
return at_queue_insert_const(cpvt, &at_cmd, 1, 0);
}
/* SMS sending */
EXPORT_DEF int at_enque_pdu(struct cpvt * cpvt, const char * pdu, attribute_unused const char * u1, attribute_unused unsigned u2, attribute_unused int u3, void ** id)
{
char * ptr = (char *) pdu;
char buf[8+25+1];
at_queue_cmd_t at_cmd[] = {
{ CMD_AT_CMGS, RES_SMS_PROMPT, ATQ_CMD_FLAG_DEFAULT, { ATQ_CMD_TIMEOUT_MEDIUM, 0}, NULL, 0 },
{ CMD_AT_SMSTEXT, RES_OK, ATQ_CMD_FLAG_DEFAULT, { ATQ_CMD_TIMEOUT_LONG, 0}, NULL, 0 }
};
size_t length = strlen(pdu);
size_t pdulen = length;
int scalen = pdu_parse_sca(&ptr, &pdulen);
if(scalen < 2 || length % 2 != 0)
{
return -EINVAL;
}
at_cmd[1].data = ast_malloc(length + 2);
if(!at_cmd[1].data)
{
return -ENOMEM;
}
at_cmd[1].length = length + 1;
memcpy(at_cmd[1].data, pdu, length);
at_cmd[1].data[length] = 0x1A;
at_cmd[1].data[length+1] = 0x0;
at_cmd[0].length = snprintf(buf, sizeof(buf), "AT+CMGS=%d\r", (int)(pdulen / 2));
at_cmd[0].data = ast_strdup(buf);
if(!at_cmd[0].data)
{
ast_free(at_cmd[1].data);
return -ENOMEM;
}
/* ast_debug (5, "[%s] PDU Head '%s'\n", PVT_ID(pvt), buf);
ast_debug (5, "[%s] PDU Body '%s'\n", PVT_ID(pvt), at_cmd[1].data);
*/
return at_queue_insert_task(cpvt, at_cmd, ITEMS_OF(at_cmd), 0, (struct at_queue_task **)id);
}
static int at_enque_sms_gsm (struct cpvt* cpvt, const char* destination, const char* msg,
unsigned validity_minutes, int report_req, void ** id)
{
ssize_t res;
char buf[1024] = "AT+CMGS=\"";
char pdu_buf[2048];
pvt_t* pvt = cpvt->pvt;
at_queue_cmd_t at_cmd[] = {
{ CMD_AT_CMGS, RES_SMS_PROMPT, ATQ_CMD_FLAG_DEFAULT, { ATQ_CMD_TIMEOUT_MEDIUM, 0}, NULL, 0 },
{ CMD_AT_SMSTEXT, RES_OK, ATQ_CMD_FLAG_DEFAULT, { ATQ_CMD_TIMEOUT_LONG, 0}, NULL, 0 }
};
if(pvt->use_pdu)
{
/* set default validity period */
if(validity_minutes <= 0)
validity_minutes = 3 * 24 * 60;
/* res = pdu_build(pdu_buf, sizeof(pdu_buf), pvt->sms_scenter, destination, msg, validity_minutes, report_req);
*/
res = pdu_build(pdu_buf, sizeof(pdu_buf), "", destination, msg, validity_minutes, report_req);
if(res <= 0)
{
if(res == -E2BIG)
{
ast_verb (3, "[%s] SMS Message too long, PDU has limit 140 octets\n", PVT_ID(pvt));
ast_log (LOG_WARNING, "[%s] SMS Message too long, PDU has limit 140 octets\n", PVT_ID(pvt));
}
/* TODO: complain on other errors */
return res;
}
if(res > (int)(sizeof(pdu_buf) - 2))
return -1;
return at_enque_pdu(cpvt, pdu_buf, NULL, 0, 0, id);
}
else
{
at_cmd[0].length = 9;
res = str_recode (RECODE_ENCODE, STR_ENCODING_UCS2_HEX, destination, strlen (destination), buf + at_cmd[0].length, sizeof(buf) - at_cmd[0].length - 3);
if(res <= 0)
{
ast_log (LOG_ERROR, "[%s] Error converting SMS number to UCS-2\n", PVT_ID(pvt));
return -4;
}
at_cmd[0].length += res;
buf[at_cmd[0].length++] = '"';
buf[at_cmd[0].length++] = '\r';
buf[at_cmd[0].length] = '\0';
}
at_cmd[0].data = ast_strdup (buf);
if(!at_cmd[0].data)
return -ENOMEM;
res = strlen (msg);
// if(!pvt->use_pdu)
// {
if (pvt->use_ucs2_encoding)
{
/* NOTE: bg: i test limit of no response is 133, but for +CMS ERROR: ? */
/* message limit in 178 octet of TPDU (w/o SCA) Headers: Type(1)+MR(1)+DA(3..12)+PID(1)+DCS(1)+VP(0,1,7)+UDL(1) = 8..24 (usually 14) */
if(res > 70)
{
ast_log (LOG_ERROR, "[%s] SMS message too long, 70 symbols max\n", PVT_ID(pvt));
return -4;
}
res = str_recode (RECODE_ENCODE, STR_ENCODING_UCS2_HEX, msg, res, pdu_buf, sizeof(pdu_buf) - 2);
if (res < 0)
{
ast_free (at_cmd[0].data);
ast_log (LOG_ERROR, "[%s] Error converting SMS to UCS-2: '%s'\n", PVT_ID(pvt), msg);
return -4;
}
pdu_buf[res++] = 0x1a;
pdu_buf[res] = 0;
at_cmd[1].length = res;
}
else
{
if(res > 140)
{
ast_log (LOG_ERROR, "[%s] SMS message too long, 140 symbols max\n", PVT_ID(pvt));
return -4;
}
at_cmd[1].length = snprintf (pdu_buf, sizeof(pdu_buf), "%.160s\x1a", msg);
}
// }
at_cmd[1].data = ast_strdup(pdu_buf);
if(!at_cmd[1].data)
{
ast_free(at_cmd[0].data);
return -ENOMEM;
}
return at_queue_insert_task(cpvt, at_cmd, ITEMS_OF(at_cmd), 0, (struct at_queue_task **)id);
}
static int at_enque_sms_cdma (struct cpvt* cpvt, const char* destination, const char* msg, void ** id)
{
ssize_t res;
char buf[1024] = "AT^HCMGS=\"";
char pdu_buf[2048];
pvt_t* pvt = cpvt->pvt;
at_queue_cmd_t at_cmd[] = {
{ CMD_AT_HSMSSS, RES_OK, ATQ_CMD_FLAG_DEFAULT, { ATQ_CMD_TIMEOUT_MEDIUM, 0}, NULL, 0 },
{ CMD_AT_HCMGS, RES_SMS_PROMPT, ATQ_CMD_FLAG_DEFAULT, { ATQ_CMD_TIMEOUT_MEDIUM, 0}, NULL, 0 },
{ CMD_AT_SMSTEXT, RES_OK, ATQ_CMD_FLAG_DEFAULT, { ATQ_CMD_TIMEOUT_LONG, 0}, NULL, 0 }
};
/*
* AT^HSMSSS
*/
at_cmd[0].data = ast_strdup("AT^HSMSSS=0,0,6,0\r");
at_cmd[0].length = strlen(at_cmd[0].data);
/*
* AT^HCMGS
*/
at_cmd[1].length = 10;
res = str_recode (RECODE_ENCODE, STR_ENCODING_7BIT, destination, strlen (destination),
buf + at_cmd[1].length, sizeof(buf) - at_cmd[1].length - 3);
if(res <= 0)
{
ast_log (LOG_ERROR, "[%s] Error converting SMS number to UCS-2\n", PVT_ID(pvt));
return -4;
}
at_cmd[1].length += res;
buf[at_cmd[1].length++] = '"';
buf[at_cmd[1].length++] = '\r';
buf[at_cmd[1].length] = '\0';
at_cmd[1].data = ast_malloc(at_cmd[1].length);
if(!at_cmd[1].data)
return -ENOMEM;
memcpy(at_cmd[1].data, buf, at_cmd[1].length);
/*
* message
*/
res = strlen (msg);
if(res > 70)
{
ast_log (LOG_ERROR, "[%s] SMS message too long, 70 symbols max\n", PVT_ID(pvt));
return -4;
}
res = str_recode (RECODE_ENCODE, STR_ENCODING_UCS2, msg, res, pdu_buf, sizeof(pdu_buf) - 2);
if (res < 0)
{
ast_free (at_cmd[1].data);
ast_log (LOG_ERROR, "[%s] Error converting SMS to UCS-2: '%s'\n", PVT_ID(pvt), msg);
return -4;
}
pdu_buf[res++] = 0x0;
pdu_buf[res++] = 0x1a;
pdu_buf[res] = 0;
at_cmd[2].length = res;
at_cmd[2].data = ast_malloc(at_cmd[2].length);
if(!at_cmd[2].data)
{
ast_free(at_cmd[1].data);
return -ENOMEM;
}
memcpy(at_cmd[2].data, pdu_buf, at_cmd[2].length);
return at_queue_insert_task(cpvt, at_cmd, ITEMS_OF(at_cmd), 0, (struct at_queue_task **)id);
}
/*!
* \brief Enque an SMS message
* \param cpvt -- cpvt structure
* \param number -- the destination of the message
* \param msg -- utf-8 encoded message
*/
EXPORT_DEF int at_enque_sms (struct cpvt* cpvt, const char* destination, const char* msg,
unsigned validity_minutes, int report_req, void ** id)
{
pvt_t* pvt = cpvt->pvt;
if (CONF_SHARED(pvt, cdma))
return at_enque_sms_cdma(cpvt, destination, msg, id);
else
return at_enque_sms_gsm(cpvt, destination, msg, validity_minutes, report_req, id);
}
/*!
* \brief Enque AT+CUSD.
* \param cpvt -- cpvt structure
* \param code the CUSD code to send
*/
EXPORT_DEF int at_enque_ussd (struct cpvt * cpvt, const char * code, attribute_unused const char * u1, attribute_unused unsigned u2, attribute_unused int u3, void ** id)
{
static const char cmd[] = "AT+CUSD=1,\"";
static const char cmd_end[] = "\",15\r";
at_queue_cmd_t at_cmd = ATQ_CMD_DECLARE_DYN(CMD_AT_CUSD); /* TODO: may be increase timeout ? */
str_encoding_t cusd_encoding ;
ssize_t res;
int length;
char buf[4096];
pvt_t* pvt = cpvt->pvt;
memcpy (buf, cmd, STRLEN(cmd));
length = STRLEN(cmd);
if (pvt->cusd_use_7bit_encoding)
cusd_encoding = STR_ENCODING_7BIT_HEX_PAD_0;
else if (pvt->use_ucs2_encoding)
cusd_encoding = STR_ENCODING_UCS2_HEX;
else
cusd_encoding = STR_ENCODING_7BIT;
res = str_recode(RECODE_ENCODE, cusd_encoding, code, strlen (code), buf + STRLEN(cmd), sizeof (buf) - STRLEN(cmd) - STRLEN(cmd_end) - 1);
if (res <= 0)
{
ast_log (LOG_ERROR, "[%s] Error converting USSD code: %s\n", PVT_ID(pvt), code);
return -1;
}
length += res;
memcpy(buf + length, cmd_end, STRLEN(cmd_end)+1);
length += STRLEN(cmd_end);
at_cmd.length = length;
at_cmd.data = ast_strdup (buf);
if(!at_cmd.data)
return -1;
return at_queue_insert_task(cpvt, &at_cmd, 1, 0, (struct at_queue_task **)id);
}
/*!
* \brief Enque a DTMF command
* \param cpvt -- cpvt structure
* \param digit -- the dtmf digit to send
* \return -2 if digis is invalid, 0 on success
*/
EXPORT_DEF int at_enque_dtmf (struct cpvt* cpvt, char digit)
{
switch (digit)
{
/* unsupported, but AT^DTMF=1,22 OK and "2" sent
*/
case 'a':
case 'b':
case 'c':
case 'd':
case 'A':
case 'B':
case 'C':
case 'D':
return -1974;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '*':
case '#':
return at_enque_generic(cpvt, CMD_AT_DTMF, 1, "AT^DTMF=%d,%c\r", cpvt->call_idx, digit);
}
return -1;
}
/*!
* \brief Enque the AT+CCWA command (disable call waiting)
* \param cpvt -- cpvt structure
* \return 0 on success
*/
EXPORT_DEF int at_enque_set_ccwa (struct cpvt* cpvt, attribute_unused const char * unused1, attribute_unused const char * unused2, unsigned call_waiting)
{
static const char cmd_ccwa_get[] = "AT+CCWA=1,2,1\r";
static const char cmd_ccwa_set[] = "AT+CCWA=%d,%d,%d\r";
int err;
call_waiting_t value;
at_queue_cmd_t cmds[] = {
/* Set Call-Waiting On/Off */
ATQ_CMD_DECLARE_DYNIT(CMD_AT_CCWA_SET, ATQ_CMD_TIMEOUT_MEDIUM, 0),
/* Query CCWA Status for Voice Call */
ATQ_CMD_DECLARE_STIT(CMD_AT_CCWA_STATUS, cmd_ccwa_get, ATQ_CMD_TIMEOUT_MEDIUM, 0),
};
at_queue_cmd_t * pcmd = cmds;
unsigned count = ITEMS_OF(cmds);
if(call_waiting == CALL_WAITING_DISALLOWED || call_waiting == CALL_WAITING_ALLOWED)
{
value = call_waiting;
err = call_waiting == CALL_WAITING_ALLOWED ? 1 : 0;
err = at_fill_generic_cmd(&cmds[0], cmd_ccwa_set, err, err, CCWA_CLASS_VOICE);
if(err)
return err;
}
else
{
value = CALL_WAITING_AUTO;
pcmd++;
count--;
}
CONF_SHARED(cpvt->pvt, callwaiting) = value;
return at_queue_insert(cpvt, pcmd, count, 0);
}
/*!
* \brief Enque the device reset command (AT+CFUN Operation Mode Setting)
* \param cpvt -- cpvt structure
* \return 0 on success
*/
EXPORT_DEF int at_enque_reset (struct cpvt* cpvt)
{
static const char cmd[] = "AT+CFUN=1,1\r";
static const at_queue_cmd_t at_cmd = ATQ_CMD_DECLARE_ST(CMD_AT_CFUN, cmd);
return at_queue_insert_const(cpvt, &at_cmd, 1, 0);
}
/*!
* \brief Enque a dial commands
* \param cpvt -- cpvt structure
* \param number -- the called number
* \param clir -- value of clir
* \return 0 on success
*/
EXPORT_DEF int at_enque_dial(struct cpvt* cpvt, const char * number, int clir)
{
struct pvt *pvt = cpvt->pvt;
int err;
int cmdsno = 0;
char * tmp = NULL;
at_queue_cmd_t cmds[6];
if(PVT_STATE(pvt, chan_count[CALL_STATE_ACTIVE]) > 0 && CPVT_TEST_FLAG(cpvt, CALL_FLAG_HOLD_OTHER))
{
ATQ_CMD_INIT_ST(cmds[0], CMD_AT_CHLD_2, cmd_chld2);
/* enable this cause response_clcc() see all calls are held and insert 'AT+CHLD=2'
ATQ_CMD_INIT_ST(cmds[1], CMD_AT_CLCC, cmd_clcc);
*/
cmdsno = 1;
}
if(clir != -1)
{
err = at_fill_generic_cmd(&cmds[cmdsno], "AT+CLIR=%d\r", clir);
if(err)
return err;
tmp = cmds[cmdsno].data;
ATQ_CMD_INIT_DYNI(cmds[cmdsno], CMD_AT_CLIR);
cmdsno++;
}
if (CONF_SHARED(pvt, cdma))
err = at_fill_generic_cmd(&cmds[cmdsno], "AT+CDV%s;\r", number);
else
err = at_fill_generic_cmd(&cmds[cmdsno], "ATD%s;\r", number);
if(err)
{
ast_free(tmp);
return err;
}
if (CONF_SHARED(pvt, cdma))
ATQ_CMD_INIT_DYNI(cmds[cmdsno], CMD_AT_CDV);
else
ATQ_CMD_INIT_DYNI(cmds[cmdsno], CMD_AT_D);
cmdsno++;
/* on failed ATD this up held call */
ATQ_CMD_INIT_ST(cmds[cmdsno], CMD_AT_CLCC, cmd_clcc);
cmdsno++;
ATQ_CMD_INIT_ST(cmds[cmdsno], CMD_AT_DDSETEX, cmd_ddsetex2);
cmdsno++;
err = at_queue_insert(cpvt, cmds, cmdsno, 1);
/* set CALL_FLAG_NEED_HANGUP early because ATD may be still in queue while local hangup called */
if(!err)
CPVT_SET_FLAGS(cpvt, CALL_FLAG_NEED_HANGUP);
return err;
}
/*!
* \brief Enque a answer commands
* \param cpvt -- cpvt structure
* \return 0 on success
*/
EXPORT_DEF int at_enque_answer(struct cpvt* cpvt)
{
at_queue_cmd_t cmds[] = {
ATQ_CMD_DECLARE_DYN(CMD_AT_A),
ATQ_CMD_DECLARE_ST(CMD_AT_DDSETEX, cmd_ddsetex2),
};
int err;
int count = ITEMS_OF(cmds);
const char * cmd1;
if(cpvt->state == CALL_STATE_INCOMING)
{
/* FIXME: channel number? */
cmd1 = "ATA\r";
}
else if(cpvt->state == CALL_STATE_WAITING)
{
cmds[0].cmd = CMD_AT_CHLD_2x;
cmd1 = "AT+CHLD=2%d\r";
/* no need CMD_AT_DDSETEX in this case? */
count--;
}
else
{
ast_log (LOG_ERROR, "[%s] Request answer for call idx %d with state '%s'\n", PVT_ID(cpvt->pvt), cpvt->call_idx, call_state2str(cpvt->state));
return -1;
}
err = at_fill_generic_cmd(&cmds[0], cmd1, cpvt->call_idx);
if(err == 0)
err = at_queue_insert(cpvt, cmds, count, 1);
return err;
}
/*!
* \brief Enque an activate commands 'Put active calls on hold and activate call x.'
* \param cpvt -- cpvt structure
* \return 0 on success
*/
EXPORT_DEF int at_enque_activate (struct cpvt* cpvt)
{
at_queue_cmd_t cmds[] = {
ATQ_CMD_DECLARE_DYN(CMD_AT_CHLD_2x),
ATQ_CMD_DECLARE_ST(CMD_AT_CLCC, cmd_clcc),
};
int err;
if (cpvt->state == CALL_STATE_ACTIVE)
return 0;
if (cpvt->state != CALL_STATE_ONHOLD && cpvt->state != CALL_STATE_WAITING)
{
ast_log (LOG_ERROR, "[%s] Imposible activate call idx %d from state '%s'\n",
PVT_ID(cpvt->pvt), cpvt->call_idx, call_state2str(cpvt->state));
return -1;
}
err = at_fill_generic_cmd(&cmds[0], "AT+CHLD=2%d\r", cpvt->call_idx);
if(err == 0)
err = at_queue_insert(cpvt, cmds, ITEMS_OF(cmds), 1);
return err;
}
/*!
* \brief Enque an commands for 'Put active calls on hold and activate the waiting or held call.'
* \param pvt -- pvt structure
* \return 0 on success
*/
EXPORT_DEF int at_enque_flip_hold (struct cpvt* cpvt)
{
static const at_queue_cmd_t cmds[] = {
ATQ_CMD_DECLARE_ST(CMD_AT_CHLD_2, cmd_chld2),
ATQ_CMD_DECLARE_ST(CMD_AT_CLCC, cmd_clcc),
};
return at_queue_insert_const(cpvt, cmds, ITEMS_OF(cmds), 1);
}
/*!
* \brief Enque ping command
* \param pvt -- pvt structure
* \return 0 on success
*/
EXPORT_DEF int at_enque_ping (struct cpvt * cpvt)
{
static const at_queue_cmd_t cmds[] = {
ATQ_CMD_DECLARE_STIT(CMD_AT, cmd_at, ATQ_CMD_TIMEOUT_SHORT, 0),
};
return at_queue_insert_const(cpvt, cmds, ITEMS_OF(cmds), 1);
}
/*!
* \brief Enque user-specified command
* \param cpvt -- cpvt structure
* \param input -- user's command
* \return 0 on success
*/
EXPORT_DEF int at_enque_user_cmd(struct cpvt* cpvt, const char * input)
{
return at_enque_generic(cpvt, CMD_USER, 1, "%s\r", input);
}
static int at_enque_retrive_sms_gsm (struct cpvt* cpvt, int index, int delete)
{
int err;
at_queue_cmd_t cmds[] = {
ATQ_CMD_DECLARE_DYN2(CMD_AT_CMGR, RES_CMGR),
ATQ_CMD_DECLARE_DYN(CMD_AT_CMGD)
};
unsigned cmdsno = ITEMS_OF (cmds);
err = at_fill_generic_cmd (&cmds[0], "AT+CMGR=%d\r", index);
if (err)
return err;
if (delete)
{
err = at_fill_generic_cmd (&cmds[1], "AT+CMGD=%d\r\r", index);
if(err)
{
ast_free (cmds[0].data);
return err;
}
}
else
{
cmdsno--;
}
return at_queue_insert (cpvt, cmds, cmdsno, 0);
}
static int at_enque_retrive_sms_cdma (struct cpvt* cpvt, int index, int delete)
{
int err;
at_queue_cmd_t cmds[] = {
ATQ_CMD_DECLARE_DYN2(CMD_AT_HCMGR, RES_HCMGR),
ATQ_CMD_DECLARE_DYN(CMD_AT_CMGD)
};
unsigned cmdsno = ITEMS_OF (cmds);
err = at_fill_generic_cmd (&cmds[0], "AT^HCMGR=%d\r", index);
if (err)
return err;
if (delete)
{
err = at_fill_generic_cmd (&cmds[1], "AT+CMGD=%d\r\r", index);
if(err)
{
ast_free (cmds[0].data);
return err;
}
}
else
{
cmdsno--;
}
return at_queue_insert (cpvt, cmds, cmdsno, 0);
}
/*!
* \brief Enque commands for reading SMS