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Cellular: In LTE mode last PDP context cannot be deactivated

pull/7840/head
Mirela Chirica 2018-08-22 14:38:18 +03:00
parent f15dbf2c3d
commit b5d68b546a
1 changed files with 26 additions and 3 deletions
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29
features/cellular/framework/AT/AT_CellularNetwork.cpp
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@ -421,11 +421,34 @@ nsapi_error_t AT_CellularNetwork::disconnect()
return err;
#else
_at.lock();
_at.cmd_start("AT+CGACT=0,");
_at.write_int(_cid);
_is_context_active = false;
size_t active_contexts_count = 0;
_at.cmd_start("AT+CGACT?");
_at.cmd_stop();
_at.resp_start();
_at.resp_start("+CGACT:");
while (_at.info_resp()) {
int context_id = _at.read_int();
int context_activation_state = _at.read_int();
if (context_activation_state == 1) {
active_contexts_count++;
if (context_id == _cid) {
_is_context_active = true;
}
}
}
_at.resp_stop();
// 3GPP TS 27.007:
// For EPS, if an attempt is made to disconnect the last PDN connection, then the MT responds with ERROR
if (_is_context_active && (_current_act < RAT_E_UTRAN || active_contexts_count > 1)) {
_at.cmd_start("AT+CGACT=0,");
_at.write_int(_cid);
_at.cmd_stop();
_at.resp_start();
_at.resp_stop();
}
_at.restore_at_timeout();
_at.remove_urc_handler("+CGEV:", callback(this, &AT_CellularNetwork::urc_cgev));