Revision 24:e26a6ab0dd75, committed 2019-05-28

Comitter:

wajahat.abbas@u-blox.com

Date:

Tue May 28 15:39:51 2019 +0500

Parent:

23:eaab8e812a5d

Child:

25:e67d3d9d2e7e

Commit message:

+CFUN support

Changed in this revision

--- a/UbloxCellularBase.cpp	Fri May 03 13:43:49 2019 +0500
+++ b/UbloxCellularBase.cpp	Tue May 28 15:39:51 2019 +0500
@@ -802,29 +802,35 @@
             if (pin != NULL) {
                 _pin = pin;
             }
-            if (initialise_sim_card()) {
+#ifdef TARGET_UBLOX_C027
+            if (set_functionality_mode(FUNC_MIN)) {
+#else
+            if (set_functionality_mode(FUNC_AIRPLANE)) {
+#endif
+                if (initialise_sim_card()) {
 #ifdef TARGET_UBLOX_C030_R412M
-                if (_psm_status ==  false) { //psm is not enabled by application yet so disable it at start-up
-                    set_power_saving_mode(0, 0);
-                }
+                    if (_psm_status ==  false) { //psm is not enabled by application yet so disable it at start-up
+                        set_power_saving_mode(0, 0);
+                    }
 #endif
-                if (set_device_identity(&_dev_info.dev) && // Set up device identity
-                    device_init(_dev_info.dev)) {// Initialise this device
-                    // Get the integrated circuit ID of the SIM
-                    if (get_iccid()) {
-                        // Try a few times to get the IMSI (since on some modems this can
-                        // take a while to be retrieved, especially if a SIM PIN
-                        // was set)
-                        for (x = 0; (x < 3) && !get_imsi(); x++) {
-                            wait_ms(1000);
-                        }
-                        
-                        if (x < 3) { // If we got the IMSI, can get the others
-                            if (get_imei() && // Get international mobile equipment identifier
-                                get_meid() && // Probably the same as the IMEI
-                                set_sms()) { // And set up SMS
-                                // The modem is initialised.
-                                _modem_initialised = true;
+                    if (set_device_identity(&_dev_info.dev) && // Set up device identity
+                        device_init(_dev_info.dev)) {// Initialise this device
+                        // Get the integrated circuit ID of the SIM
+                        if (get_iccid()) {
+                            // Try a few times to get the IMSI (since on some modems this can
+                            // take a while to be retrieved, especially if a SIM PIN
+                            // was set)
+                            for (x = 0; (x < 3) && !get_imsi(); x++) {
+                                wait_ms(1000);
+                            }
+
+                            if (x < 3) { // If we got the IMSI, can get the others
+                                if (get_imei() && // Get international mobile equipment identifier
+                                    get_meid() && // Probably the same as the IMEI
+                                    set_sms()) { // And set up SMS
+                                    // The modem is initialised.
+                                    _modem_initialised = true;
+                                }
                             }
                         }
                     }
@@ -850,58 +856,60 @@
     MBED_ASSERT(_at != NULL);
 
     if (!is_registered_psd() && !is_registered_csd() && !is_registered_eps()) {
-        tr_info("Searching Network...");
-        // Enable the packet switched and network registration unsolicited result codes
-        if (_at->send("AT+CREG=1") && _at->recv("OK") &&
-            _at->send("AT+CGREG=1") && _at->recv("OK")) {
-            atSuccess = true;
-            if (_at->send("AT+CEREG=1")) {
-                _at->recv("OK");
-                // Don't check return value as this works for LTE only
-            }
-
-            if (atSuccess) {
-                // See if we are already in automatic mode
-                if (_at->send("AT+COPS?") && _at->recv("+COPS: %d", &status) &&
-                    _at->recv("OK")) {
-                    // If not, set it
-                    if (status != 0) {
-                        // Don't check return code here as there's not much
-                        // we can do if this fails.
-                        _at->send("AT+COPS=0") && _at->recv("OK");
-                    }
-                }
-
-                // Query the registration status directly as well,
-                // just in case
-                if (_at->send("AT+CREG?") && _at->recv("OK")) {
-                    // Answer will be processed by URC
-                }
-                if (_at->send("AT+CGREG?") && _at->recv("OK")) {
-                    // Answer will be processed by URC
-                }
-                if (_at->send("AT+CEREG?")) {
+        if (set_functionality_mode(FUNC_FULL)) {
+            tr_info("Searching Network...");
+            // Enable the packet switched and network registration unsolicited result codes
+            if (_at->send("AT+CREG=1") && _at->recv("OK") &&
+                _at->send("AT+CGREG=1") && _at->recv("OK")) {
+                atSuccess = true;
+                if (_at->send("AT+CEREG=1")) {
                     _at->recv("OK");
                     // Don't check return value as this works for LTE only
                 }
+
+                if (atSuccess) {
+                    // See if we are already in automatic mode
+                    if (_at->send("AT+COPS?") && _at->recv("+COPS: %d", &status) &&
+                        _at->recv("OK")) {
+                        // If not, set it
+                        if (status != 0) {
+                            // Don't check return code here as there's not much
+                            // we can do if this fails.
+                            _at->send("AT+COPS=0") && _at->recv("OK");
+                        }
+                    }
+
+                    // Query the registration status directly as well,
+                    // just in case
+                    if (_at->send("AT+CREG?") && _at->recv("OK")) {
+                        // Answer will be processed by URC
+                    }
+                    if (_at->send("AT+CGREG?") && _at->recv("OK")) {
+                        // Answer will be processed by URC
+                    }
+                    if (_at->send("AT+CEREG?")) {
+                        _at->recv("OK");
+                        // Don't check return value as this works for LTE only
+                    }
+                }
             }
-        }
-        // Wait for registration to succeed
-        at_set_timeout(1000);
-        for (int waitSeconds = 0; !registered && (waitSeconds < 180); waitSeconds++) {
-            registered = is_registered_psd() || is_registered_csd() || is_registered_eps();
-            _at->recv(UNNATURAL_STRING);
-        }
-        at_set_timeout(at_timeout);
-
-        if (registered) {
-            // This should return quickly but sometimes the status field is not returned
-            // so make the timeout short
+            // Wait for registration to succeed
             at_set_timeout(1000);
-            if (_at->send("AT+COPS?") && _at->recv("+COPS: %*d,%*d,\"%*[^\"]\",%d\n", &status)) {
-                set_rat(status);
+            for (int waitSeconds = 0; !registered && (waitSeconds < 180); waitSeconds++) {
+                registered = is_registered_psd() || is_registered_csd() || is_registered_eps();
+                _at->recv(UNNATURAL_STRING);
             }
             at_set_timeout(at_timeout);
+
+            if (registered) {
+                // This should return quickly but sometimes the status field is not returned
+                // so make the timeout short
+                at_set_timeout(1000);
+                if (_at->send("AT+COPS?") && _at->recv("+COPS: %*d,%*d,\"%*[^\"]\",%d\n", &status)) {
+                    set_rat(status);
+                }
+                at_set_timeout(at_timeout);
+            }
         }
     } else {
         registered = true;
@@ -1190,6 +1198,11 @@
 //application should call init() or connect() in order to initialize the modem
 bool UbloxCellularBase::reboot_modem()
 {
+    return (set_functionality_mode(FUNC_RESET));
+}
+
+bool UbloxCellularBase::set_functionality_mode(FunctionalityMode mode)
+{
     bool return_val = false;
     int at_timeout;
     LOCK();
@@ -1198,23 +1211,40 @@
 
     at_timeout = _at_timeout; // Has to be inside LOCK()s
     at_set_timeout(3*60*1000); //command has 3 minutes timeout
-    tr_info("rebooting modem...");
 
-    if (_at->send("AT+CFUN=15") && _at->recv("OK")) {
-        tr_info("reboot successful");
+    if (_at->send("AT+CFUN=%d", mode) && _at->recv("OK")) {
         return_val = true;
     }
 
-    _dev_info.reg_status_csd = CSD_NOT_REGISTERED_NOT_SEARCHING;
-    _dev_info.reg_status_psd = PSD_NOT_REGISTERED_NOT_SEARCHING;
-    _dev_info.reg_status_eps = EPS_NOT_REGISTERED_NOT_SEARCHING;
-    _modem_initialised = false;
+    if (mode == FUNC_RESET || mode == FUNC_RESET_WITH_SIM) {
+        _modem_initialised = false;
+    }
+
     at_set_timeout(at_timeout);
     UNLOCK();
 
     return return_val;
 }
 
+bool UbloxCellularBase::get_functionality_mode(int *mode)
+{
+    bool return_val = false;
+
+    if (mode == NULL) {
+        return false;
+    }
+
+    LOCK();
+    MBED_ASSERT(_at != NULL);
+
+    if ( (_at->send("AT+CFUN?") && _at->recv("+CFUN: %d", mode) && _at->recv("OK")) )  {
+        return_val = true;
+    }
+
+    UNLOCK();
+    return return_val;
+}
+
 #ifdef TARGET_UBLOX_C030_R41XM
 bool UbloxCellularBase::set_mno_profile(MNOProfile profile)
 {

--- a/UbloxCellularBase.h	Fri May 03 13:43:49 2019 +0500
+++ b/UbloxCellularBase.h	Tue May 28 15:39:51 2019 +0500
@@ -199,6 +199,21 @@
         NOT_USED = -1
     } RAT;
 
+    /** Module functionality modes. Ref to section 5.3.3 of UBX-13002752 for details.
+     */
+    typedef enum {
+        FUNC_MIN = 0,
+        FUNC_FULL = 1,
+        FUNC_AIRPLANE = 4,
+        FUNC_EN_SIM_TLKT_DEDICATED = 6,
+        FUNC_DS_SIM_TLKT = 7,
+        FUNC_EN_SIM_TLKT_RAW = 9,
+        FUNC_RESET = 15,
+        FUNC_RESET_WITH_SIM = 16,
+        FUNC_MIN_WITH_SIM = 19,
+        FUNC_HALT = 127
+    } FunctionalityMode;
+
 #ifdef TARGET_UBLOX_C030_R41XM
     /** Supported MNO profiles for SARA-R4.
      */
@@ -264,6 +279,18 @@
      */
     bool get_modem_rat(int *selected_rat, int *preferred_rat, int *second_preferred_rat);
 
+    /** Sets the modem to specified functionality mode.
+     *
+     * @return true if successful, otherwise false.
+     */
+    bool set_functionality_mode(FunctionalityMode mode);
+
+    /** Get the modem functionality mode
+     *
+     * @return true if successful, otherwise false.
+     */
+    bool get_functionality_mode(int *mode);
+
     /** reboot the modem using AT+CFUN=15. Application should call init() or connect() before making any other API calls.
      *
      * @return        true if successful, otherwise false.