wat_status_t telit_start(wat_span_t *span)
{
wat_log_span(span, WAT_LOG_DEBUG, "Starting Telit module\n");
/* Section 2.1 of Telit AT Commands reference Guide recommends these options to be enabled */
wat_cmd_enqueue(span, "AT#SELINT=2", wat_response_selint, NULL, span->config.timeout_command);
wat_cmd_enqueue(span, "AT#SMSMODE=1", wat_response_smsmode, NULL, span->config.timeout_command);
/* From Telit AT commands reference guide, page 105: Set AT#REGMODE=1
* makes CREG behavior more formal */
wat_cmd_enqueue(span, "AT#REGMODE=1", NULL, NULL, span->config.timeout_command);
wat_cmd_enqueue(span, "AT#DVI=1,1,0", wat_response_dvi, NULL, span->config.timeout_command);
/* Enable Echo cancellation */
wat_cmd_enqueue(span, "AT#SHFEC=1", NULL, NULL, span->config.timeout_command);
wat_cmd_enqueue(span, "AT#SHSEC=1", NULL, NULL, span->config.timeout_command);
/* Disable Sidetone as it sounds like echo on calls with long delay (e.g SIP calls) */
wat_cmd_enqueue(span, "AT#SHSSD=0", wat_response_shssd, NULL, span->config.timeout_command);
/* I guess we want full CPU power! */
wat_cmd_enqueue(span, "AT#CPUMODE=1", NULL, NULL, span->config.timeout_command);
/* Enable codec notifications
* (format = 1 is text, mode 2 is short mode to get notifications only including the codec in use) */
wat_cmd_enqueue(span, "AT#CODECINFO=1,2", wat_response_codecinfo, NULL, span->config.timeout_command);
wat_cmd_register(span, "#CODECINFO", wat_notify_codec_info);
/* Make sure the DIALMODE is set to 0 to receive an OK code as soon as possible
* the option of using DIALMODE=2 is tempting as provides progress status
* notifications (DIALING, RINGING, CONNECTED, RELEASED, DISCONNECTED), but the modem
* will not accept any further commands in the meantime, which is not convenient */
wat_cmd_enqueue(span, "AT#DIALMODE=0", NULL, NULL, span->config.timeout_command);
/* Enable automatic Band selection */
wat_cmd_enqueue(span, "AT+COPS=0", NULL, NULL, span->config.timeout_command);
switch (span->config.band) {
case WAT_BAND_900_1800:
wat_cmd_enqueue(span, "AT#BND=0", NULL, NULL, span->config.timeout_command);
break;
case WAT_BAND_900_1900:
wat_cmd_enqueue(span, "AT#BND=1", NULL, NULL, span->config.timeout_command);
break;
case WAT_BAND_850_1800:
wat_cmd_enqueue(span, "AT#BND=2", NULL, NULL, span->config.timeout_command);
break;
case WAT_BAND_850_1900:
wat_cmd_enqueue(span, "AT#BND=3", NULL, NULL, span->config.timeout_command);
break;
default:
wat_log_span(span, WAT_LOG_CRIT, "Unsupported band value:%d\n", span->config.band);
case WAT_BAND_AUTO:
wat_cmd_enqueue(span, "AT#AUTOBND=2", NULL, NULL, span->config.timeout_command);
break;
}
return WAT_SUCCESS;
}
wat_status_t telit_wait_sim(wat_span_t *span)
{
wat_log_span(span, WAT_LOG_INFO, "Waiting for SIM acccess...\n");
wat_cmd_register(span, "#QSS", wat_notify_qss);
wat_cmd_enqueue(span, "AT#QSS=2", wat_response_qss, NULL, span->config.timeout_command);
wat_cmd_enqueue(span, "AT#QSS?", wat_response_qss, NULL, span->config.timeout_command);
return WAT_SUCCESS;
}
static wat_status_t wat_span_perform_start(wat_span_t *span)
{
memset(span->calls, 0, sizeof(span->calls));
memset(span->notifys, 0, sizeof(span->notifys));
memset(&span->net_info, 0, sizeof(span->net_info));
if (wat_queue_create(&span->event_queue, WAT_EVENT_QUEUE_SZ) != WAT_SUCCESS) {
wat_log_span(span, WAT_LOG_CRIT, "Failed to create queue\n");
return WAT_FAIL;
}
if (wat_queue_create(&span->cmd_queue, WAT_CMD_QUEUE_SZ) != WAT_SUCCESS) {
wat_log_span(span, WAT_LOG_CRIT, "Failed to create queue\n");
return WAT_FAIL;
}
if (wat_queue_create(&span->sms_queue, WAT_MAX_SMSS_PER_SPAN) != WAT_SUCCESS) {
wat_log_span(span, WAT_LOG_CRIT, "Failed to create queue\n");
return WAT_FAIL;
}
if (wat_buffer_create(&span->buffer, WAT_BUFFER_SZ) != WAT_SUCCESS) {
wat_log_span(span, WAT_LOG_CRIT, "Failed to create buffer\n");
return WAT_FAIL;
}
if (wat_sched_create(&span->sched, "span_schedule") != WAT_SUCCESS) {
wat_log_span(span, WAT_LOG_CRIT, "Failed to create scheduler\n");
return WAT_FAIL;
}
wat_log_span(span, WAT_LOG_DEBUG, "Starting span\n");
wat_cmd_register(span, "+CRING", wat_notify_cring);
wat_cmd_register(span, "+CMT", wat_notify_cmt);
wat_cmd_register(span, "+CLIP", wat_notify_clip);
wat_cmd_register(span, "+CREG", wat_notify_creg);
#if 0
wat_cmd_register(span, "+CDIP", wat_notify_cdip);
wat_cmd_register(span, "+CNAP", wat_notify_cnap);
wat_cmd_register(span, "+CCWA", wat_notify_ccwa);
#endif
/* Module soft reset */
wat_cmd_enqueue(span, "ATZ", wat_response_atz, NULL, 60000);
/* Disable echo mode */
wat_cmd_enqueue(span, "ATE0", wat_response_ate, NULL, span->config.timeout_command);
wat_cmd_enqueue(span, "ATX4", NULL, NULL, span->config.timeout_command);
/* Enable Mobile Equipment Error Reporting, numeric mode */
wat_cmd_enqueue(span, "AT+CMEE=1", NULL, NULL, span->config.timeout_command);
/* Enable extended format reporting */
wat_cmd_enqueue(span, "AT+CRC=1", NULL, NULL, span->config.timeout_command);
if (wat_test_flag(&span->module, WAT_MODFLAG_IS_CDMA)) {
/* This is a CDMA module, no SIM here */
wat_log_span(span, WAT_LOG_DEBUG, "CDMA module does not require waiting for SIM ...\n");
if (span->state < WAT_SPAN_STATE_POST_START) {
wat_span_set_state(span, WAT_SPAN_STATE_POST_START);
}
} else {
span->module.wait_sim(span);
wat_sched_timer(span->sched, "wait_sim", span->config.timeout_wait_sim, wat_scheduled_wait_sim, (void *) span, &span->timeouts[WAT_TIMEOUT_WAIT_SIM]);
}
return WAT_SUCCESS;
}
