Revision 34:869b2f035721, committed 2019-09-05

Comitter:

wajahat.abbas@u-blox.com

Date:

Thu Sep 05 15:38:21 2019 +0500

Parent:

33:093da9fe13ed

Commit message:

read PSM status only if not known

Changed in this revision

--- a/UbloxCellularBase.cpp	Thu Sep 05 11:16:16 2019 +0500
+++ b/UbloxCellularBase.cpp	Thu Sep 05 15:38:21 2019 +0500
@@ -494,7 +494,7 @@
     _dev_info.reg_status_eps = EPS_NOT_REGISTERED_NOT_SEARCHING;
 #ifdef TARGET_UBLOX_C030_R412M
     _dev_info.modem_psm_state = AWAKE;
-    _psm_status = false;
+    _psm_status = UNKNOWN;
     _cb_param_psm_going_in = NULL;
     _func_psm_going_in = NULL;
     _cb_param_psm_coming_out = NULL;
@@ -618,7 +618,7 @@
 
     for (int retry_count = 0; !success && (retry_count < 20); retry_count++) {
         //In case of SARA-R4, modem takes a while to turn on, constantly toggling the power pin every ~2 secs causes the modem to never power up.
-        if ( (retry_count % 5) == 0) { 
+        if ( (retry_count % 5) == 0) {
             modem_power_up();
         }
         wait_ms(500);
@@ -825,17 +825,21 @@
                     }
 #ifdef TARGET_UBLOX_C030_R412M
                     int status = 0, periodic_time = 0, active_time = 0;
-                    if (get_power_saving_mode(&status, &periodic_time, &active_time)) {
-                        if (status) { //PSM is already enabled either by a previous run or MNO profile
-                            tr_info("PSM is already enabled, periodic_time %d, active_time %d", periodic_time, active_time);
-                            _psm_status = true;
-                            if ( !(set_psm_urcs(true)) ) { //enable PSM URCs
-                                tr_error("Modem does not support PSM URCs, disabling PSM");
-                                set_power_saving_mode(0, 0);
-                            } else if (!_func_psm_going_in){
-                                tr_critical("!!PSM IS ENABLED, CALLBACK NOT ATTACHED. PLEASE REGISTER ONE!!");
+                    if (_psm_status == UNKNOWN) {
+                        if (get_power_saving_mode(&status, &periodic_time, &active_time)) {
+                            if (status) { //PSM is already enabled either by a previous run or MNO profile
+                                tr_info("PSM is already enabled, periodic_time %d, active_time %d", periodic_time, active_time);
+                                _psm_status = ENABLED;
+                                if ( !(set_psm_urcs(true)) ) { //enable PSM URCs
+                                    tr_error("Modem does not support PSM URCs, disabling PSM");
+                                    set_power_saving_mode(0, 0);
+                                } else if (!_func_psm_going_in){
+                                    tr_critical("!!PSM IS ENABLED, CALLBACK NOT ATTACHED. PLEASE REGISTER ONE!!");
+                                }
                             }
                         }
+                    } else if (_psm_status == ENABLED && !_func_psm_going_in){
+                        tr_critical("!!PSM IS ENABLED, CALLBACK NOT ATTACHED. PLEASE REGISTER ONE!!");
                     }
 #endif
                     if (_at->is_idle_mode_enabled() == false) {
@@ -1369,7 +1373,7 @@
 bool UbloxCellularBase::set_idle_mode(bool enable)
 {
 #ifdef TARGET_UBLOX_C030_R412M
-    if (_psm_status == true && enable == true) {
+    if (_psm_status == ENABLED && enable == true) {
         return false;
     }
 #endif
@@ -1720,7 +1724,7 @@
                     //de-register the callback
                     detach_cb_psm_going_in();
                     detach_cb_psm_coming_out();
-                    _psm_status = false;
+                    _psm_status = DISABLED;
                     return_val = true;
                 }
             }
@@ -1824,7 +1828,7 @@
             if (_at->send("AT+CPSMS=1,,,\"%s\",\"%s\"", pt, at) && _at->recv("OK")) {
                 if (set_psm_urcs(true)) {//enable the PSM URC
                     tr_info("PSM enabled successfully!");
-                    _psm_status = true;
+                    _psm_status = ENABLED;
                     return_val = true;
                 } else {
                     tr_error("PSM URCs not supported");

--- a/UbloxCellularBase.h	Thu Sep 05 11:16:16 2019 +0500
+++ b/UbloxCellularBase.h	Thu Sep 05 15:38:21 2019 +0500
@@ -775,9 +775,14 @@
     void CEREG_URC();
     void UMWI_URC();
 #ifdef TARGET_UBLOX_C030_R412M
+    typedef enum {
+       DISABLED = 0,
+       ENABLED = 1,
+       UNKNOWN = 2
+    } PSMStatus;
     bool set_psm_urcs(bool enable);
     void UUPSMR_URC();
-    bool _psm_status;
+    PSMStatus _psm_status;
     void *_cb_param_psm_going_in;
     Callback<void(void*)>    _func_psm_going_in;  /**< Callback. */
     void *_cb_param_psm_coming_out;