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plugin, telit: add support for LPWA modem

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- properly identity access technology for Cat-M and NB-IoT RATs
This commit is contained in:
Alexey Orishko
2022-10-02 11:40:29 +02:00
committed by Aleksander Morgado
parent 908ab33328
commit 8ecc0f64e4
1 changed files with 105 additions and 5 deletions
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102
plugins/telit/mm-broadband-modem-telit.c
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@@ -69,7 +69,6 @@ struct _MMBroadbandModemTelitPrivate {
MMModemLocationSource enabled_sources;
};
typedef struct {
MMModemLocationSource source;
guint gps_enable_step;
@@ -1090,6 +1089,106 @@ load_access_technologies_finish (MMIfaceModem *self,
return TRUE;
}
static MMBaseModemAtResponseProcessorResult
response_processor_cops_ignore_at_errors (MMBaseModem *self,
gpointer none,
const gchar *command,
const gchar *response,
gboolean last_command,
const GError *error,
GVariant **result,
GError **result_error)
{
g_autoptr(GMatchInfo) match_info = NULL;
g_autoptr(GRegex) r = NULL;
guint actval = 0;
guint mode = 0;
guint vid;
guint pid;
*result = NULL;
*result_error = NULL;
if (error) {
/* Ignore AT errors (ie, ERROR or CMx ERROR) */
if (error->domain != MM_MOBILE_EQUIPMENT_ERROR || last_command) {
*result_error = g_error_copy (error);
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_FAILURE;
}
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_CONTINUE;
}
vid = mm_base_modem_get_vendor_id (self);
pid = mm_base_modem_get_product_id (self);
if (!(vid == 0x1bc7 && (pid == 0x110a || pid == 0x110b))) {
/* AcT for non-LPWA modems would be checked by other command */
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_CONTINUE;
}
r = g_regex_new ("\\+COPS:\\s*(\\d+),(\\d+),([^,]*)(?:,(\\d+))?(?:\\r\\n)?",
0,
0,
NULL);
g_assert (r != NULL);
if (!g_regex_match (r, response, 0, &match_info)) {
g_set_error (result_error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Can't match +COPS? response: '%s'",
response);
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_FAILURE;
}
if (!mm_get_uint_from_match_info (match_info, 1, &mode)) {
g_set_error (result_error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to parse mode in +COPS? response: '%s'",
response);
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_FAILURE;
}
if (mode == 2) {
g_set_error (result_error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Modem deregistered from the network: aborting AcT query");
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_FAILURE;
}
if (!mm_get_uint_from_match_info (match_info, 4, &actval)) {
g_set_error (result_error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to parse act in +COPS? response: '%s'",
response);
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_FAILURE;
}
switch (actval) {
case 0:
*result = g_variant_new_uint32 (MM_MODEM_ACCESS_TECHNOLOGY_GSM);
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_SUCCESS;
case 8:
*result = g_variant_new_uint32 (MM_MODEM_ACCESS_TECHNOLOGY_LTE_CAT_M);
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_SUCCESS;
case 9:
*result = g_variant_new_uint32 (MM_MODEM_ACCESS_TECHNOLOGY_LTE_NB_IOT);
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_SUCCESS;
default:
break;
}
g_set_error (result_error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Failed to map act in +COPS? response: '%s'",
response);
return MM_BASE_MODEM_AT_RESPONSE_PROCESSOR_RESULT_FAILURE;
}
static MMBaseModemAtResponseProcessorResult
response_processor_psnt_ignore_at_errors (MMBaseModem *self,
gpointer none,
@@ -1208,6 +1307,7 @@ response_processor_service_ignore_at_errors (MMBaseModem *self,
}
static const MMBaseModemAtCommand access_tech_commands[] = {
{ "+COPS?", 3, FALSE, response_processor_cops_ignore_at_errors },
{ "#PSNT?", 3, FALSE, response_processor_psnt_ignore_at_errors },
{ "+SERVICE?", 3, FALSE, response_processor_service_ignore_at_errors },
{ NULL }