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Add initial simcom sim7600 support #162

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Add initial simcom sim7600 support #162

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9df8296
add sim7600 initialization code
shalzz Jul 9, 2022
7268f64
simcom: update DTMF command
shalzz Jul 9, 2022
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13 changes: 12 additions & 1 deletion at_command.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ 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";
static const char cmd_qpcmv10[] = "AT+QPCMV=1,0\r";
static const char cmd_cpcmreg0[] = "AT+CPCMREG=0\r";

/*!
* \brief Format and fill generic command
Expand Down Expand Up @@ -151,6 +152,7 @@ EXPORT_DEF int at_enqueue_initialization(struct cpvt *cpvt, at_cmd_t from_comman
* rate, data bit, frame period */
ATQ_CMD_DECLARE_STI(CMD_AT_CVOICE, "AT^CVOICE?\r"),
ATQ_CMD_DECLARE_STI(CMD_AT_QPCMV, "AT+QPCMV?\r"), /* for Quectel */
ATQ_CMD_DECLARE_STI(CMD_AT_CPCMREG, "AT+CPCMREG?\r"), /* for Simcom */

/* Get SMS Service center address */
ATQ_CMD_DECLARE_ST(CMD_AT_CSCA, "AT+CSCA?\r"),
Expand Down Expand Up @@ -388,6 +390,7 @@ EXPORT_DEF int at_enqueue_ussd(struct cpvt *cpvt, const char *code)

EXPORT_DEF int at_enqueue_dtmf(struct cpvt *cpvt, char digit)
{
struct pvt *pvt = cpvt->pvt;
switch (digit)
{
/* unsupported, but AT^DTMF=1,22 OK and "2" sent
Expand All @@ -414,7 +417,11 @@ EXPORT_DEF int at_enqueue_dtmf(struct cpvt *cpvt, char digit)

case '*':
case '#':
return at_enqueue_generic(cpvt, CMD_AT_DTMF, 1, "AT^DTMF=%d,%c\r", cpvt->call_idx, digit);
if (pvt->has_voice_simcom) {
return at_enqueue_generic(cpvt, CMD_AT_DTMF, 1, "AT+VTS=%c\r", digit);
} else {
return at_enqueue_generic(cpvt, CMD_AT_DTMF, 1, "AT^DTMF=%d,%c\r", cpvt->call_idx, digit);
}
}
return -1;
}
Expand Down Expand Up @@ -537,6 +544,8 @@ EXPORT_DEF int at_enqueue_dial(struct cpvt *cpvt, const char *number, int clir)

if (pvt->has_voice_quectel) {
ATQ_CMD_INIT_ST(cmds[cmdsno], CMD_AT_DDSETEX, cmd_qpcmv10);
} else if (pvt->has_voice_simcom) {
ATQ_CMD_INIT_ST(cmds[cmdsno], CMD_AT_DDSETEX, cmd_cpcmreg0);
} else {
ATQ_CMD_INIT_ST(cmds[cmdsno], CMD_AT_DDSETEX, cmd_ddsetex2);
}
Expand Down Expand Up @@ -566,6 +575,8 @@ EXPORT_DEF int at_enqueue_answer(struct cpvt *cpvt)
ATQ_CMD_INIT_DYN(cmds[0], CMD_AT_A);
if (pvt->has_voice_quectel) {
ATQ_CMD_INIT_ST(cmds[1], CMD_AT_DDSETEX, cmd_qpcmv10);
} else if (pvt->has_voice_simcom) {
ATQ_CMD_INIT_ST(cmds[1], CMD_AT_DDSETEX, cmd_cpcmreg0);
} else {
ATQ_CMD_INIT_ST(cmds[1], CMD_AT_DDSETEX, cmd_ddsetex2);
}
Expand Down
2 changes: 2 additions & 0 deletions at_command.h
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,8 @@
_( AT_DDSETEX, "AT^DDSETEX") \
/* same, but for Quectel EC25 */ \
_( AT_QPCMV, "AT+QPCMV") \
/* for Simcom SIM7600 */ \
_( AT_CPCMREG, "AT+CPCMREG") \
_( AT_DTMF, "AT^DTMF") \
_( AT_E, "ATE") \
\
Expand Down
14 changes: 13 additions & 1 deletion at_response.c
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Original file line number Diff line number Diff line change
Expand Up @@ -126,11 +126,19 @@ static int at_response_ok (struct pvt* pvt, at_res_t res)
ast_debug (1, "[%s] Dongle has voice support\n", PVT_ID(pvt));
pvt->has_voice = 1;
pvt->has_voice_quectel = 0;
pvt->has_voice_simcom= 0;
break;
case CMD_AT_QPCMV:
ast_debug (1, "[%s] Dongle has Quectel voice support\n", PVT_ID(pvt));
pvt->has_voice = 1;
pvt->has_voice_quectel = 1;
pvt->has_voice_simcom= 0;
break;
case CMD_AT_CPCMREG:
ast_debug (1, "[%s] Dongle has Simcom voice support\n", PVT_ID(pvt));
pvt->has_voice = 1;
pvt->has_voice_quectel = 0;
pvt->has_voice_simcom= 1;
break;
/*
case CMD_AT_CLIP:
Expand Down Expand Up @@ -370,8 +378,12 @@ static int at_response_error (struct pvt* pvt, at_res_t res)
case CMD_AT_QPCMV:
ast_debug(1, "[%s] Dongle has NO (QPCMV) voice support\n", PVT_ID(pvt));
pvt->has_voice_quectel = 0;
break;
case CMD_AT_CPCMREG:
ast_debug(1, "[%s] Dongle has NO (CPCMREG) voice support\n", PVT_ID(pvt));
pvt->has_voice_simcom = 0;

if (pvt->has_voice == 0) {
if (pvt->has_voice == 0 && pvt->has_voice_quectel == 0) {
ast_log(LOG_WARNING, "[%s] Dongle has NO voice support\n", PVT_ID(pvt));
}
break;
Expand Down
1 change: 1 addition & 0 deletions chan_dongle.h
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,7 @@ typedef struct pvt
unsigned int has_sms:1; /*!< device has SMS support */
unsigned int has_voice:1; /*!< device has voice call support */
unsigned int has_voice_quectel:1; /*!< device has Quectel voice call support */
unsigned int has_voice_simcom:1; /*!< device has Simcom voice call support */
unsigned int has_call_waiting:1; /*!< call waiting enabled on device */

unsigned int group_last_used:1; /*!< mark the last used device */
Expand Down
1 change: 1 addition & 0 deletions pdiscovery.c
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Expand Up @@ -69,6 +69,7 @@ static const struct pdiscovery_device device_ids[] = {
{ 0x12d1, 0x1436, { 4, 3, /* 0 */ } }, /* E1750 */
{ 0x12d1, 0x1506, { 3, 2, /* 0 */ } }, /* E171 firmware 21.x : thanks Sergey Ivanov */
{ 0x2c7c, 0x0125, { 1, 4, /* 0 */ } }, /* Dongle EC25-A LTE modem */
{ 0x1e0e, 0x9001, { 2, 4, /* 0 */ } }, /* Simcom Sim7600 */
};

static struct discovery_cache cache;
Expand Down