ARMmbed · 0xc0170 · Nov 25, 2018 · Nov 15, 2018 · Nov 17, 2018 · Nov 16, 2018
diff --git a/TESTS/netsocket/tcp/tcpsocket_echotest.cpp b/TESTS/netsocket/tcp/tcpsocket_echotest.cpp
@@ -26,7 +26,7 @@ using namespace utest::v1;
 
 namespace {
 static const int SIGNAL_SIGIO = 0x1;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 
 static const int BUFF_SIZE = 1200;
 static const int PKTS = 22;

diff --git a/TESTS/netsocket/tcp/tcpsocket_echotest_burst.cpp b/TESTS/netsocket/tcp/tcpsocket_echotest_burst.cpp
@@ -26,7 +26,7 @@ using namespace utest::v1;
 
 namespace {
 static const int SIGNAL_SIGIO = 0x1;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 
 static const int BURST_CNT = 100;
 static const int BURST_SIZE = 1220;

diff --git a/TESTS/netsocket/tcp/tcpsocket_endpoint_close.cpp b/TESTS/netsocket/tcp/tcpsocket_endpoint_close.cpp
@@ -26,7 +26,7 @@ using namespace utest::v1;
 
 namespace {
 static const int SIGNAL_SIGIO = 0x1;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 }
 
 static void _sigio_handler(osThreadId id)

diff --git a/TESTS/netsocket/tcp/tcpsocket_recv_timeout.cpp b/TESTS/netsocket/tcp/tcpsocket_recv_timeout.cpp
@@ -26,7 +26,7 @@ using namespace utest::v1;
 
 namespace {
 static const int SIGNAL_SIGIO = 0x1;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 }
 
 static void _sigio_handler(osThreadId id)

diff --git a/TESTS/netsocket/tcp/tcpsocket_thread_per_socket_safety.cpp b/TESTS/netsocket/tcp/tcpsocket_thread_per_socket_safety.cpp
@@ -27,7 +27,7 @@ using namespace utest::v1;
 namespace {
 static const int SIGNAL_SIGIO1 = 0x1;
 static const int SIGNAL_SIGIO2 = 0x2;
-static const int SIGIO_TIMEOUT = 5000; //[ms]
+static const int SIGIO_TIMEOUT = 20000; //[ms]
 
 Thread thread(osPriorityNormal, tcp_global::TCP_OS_STACK_SIZE);
 volatile bool running = true;

diff --git a/components/802.15.4_RF/stm-s2lp-rf-driver/source/NanostackRfPhys2lp.cpp b/components/802.15.4_RF/stm-s2lp-rf-driver/source/NanostackRfPhys2lp.cpp
diff --git a/features/cellular/framework/API/CellularNetwork.h b/features/cellular/framework/API/CellularNetwork.h
@@ -230,7 +230,7 @@ class CellularNetwork {
      */
     virtual nsapi_error_t get_attach(AttachStatus &status) = 0;
 
-    /** Request detach from a network.
+    /** Request detach and deregister from a network.
      *
      *  @return         NSAPI_ERROR_OK on success
      *                  NSAPI_ERROR_DEVICE_ERROR on failure

diff --git a/features/cellular/framework/AT/ATHandler.cpp b/features/cellular/framework/AT/ATHandler.cpp
@@ -72,7 +72,6 @@ ATHandler::ATHandler(FileHandle *fh, EventQueue &queue, int timeout, const char
     _previous_at_timeout(timeout),
     _at_send_delay(send_delay),
     _last_response_stop(0),
-    _fh_sigio_set(false),
     _processing(false),
     _ref_count(1),
     _is_fh_usable(true),
@@ -109,9 +108,7 @@ ATHandler::ATHandler(FileHandle *fh, EventQueue &queue, int timeout, const char
     set_tag(&_info_stop, CRLF);
     set_tag(&_elem_stop, ")");
 
-    _fileHandle->set_blocking(false);
-
-    set_filehandle_sigio();
+    set_file_handle(fh);
 }
 
 void ATHandler::set_debug(bool debug_on)
@@ -154,6 +151,8 @@ FileHandle *ATHandler::get_file_handle()
 void ATHandler::set_file_handle(FileHandle *fh)
 {
     _fileHandle = fh;
+    _fileHandle->set_blocking(false);
+    set_filehandle_sigio();
 }
 
 void ATHandler::set_is_filehandle_usable(bool usable)
@@ -312,11 +311,7 @@ void ATHandler::process_oob()
 
 void ATHandler::set_filehandle_sigio()
 {
-    if (_fh_sigio_set) {
-        return;
-    }
     _fileHandle->sigio(mbed::Callback<void()>(this, &ATHandler::event));
-    _fh_sigio_set = true;
 }
 
 void ATHandler::reset_buffer()
@@ -1230,3 +1225,26 @@ void ATHandler::debug_print(const char *p, int len)
     }
 #endif // MBED_CONF_CELLULAR_DEBUG_AT
 }
+
+bool ATHandler::sync(int timeout_ms)
+{
+    tr_debug("AT sync");
+    // poll for 10 seconds
+    for (int i = 0; i < 10; i++) {
+        lock();
+        set_at_timeout(timeout_ms, false);
+        // For sync use an AT command that is supported by all modems and likely not used frequently,
+        // especially a common response like OK could be response to previous request.
+        cmd_start("AT+CMEE?");
+        cmd_stop();
+        resp_start("+CMEE:");
+        resp_stop();
+        restore_at_timeout();
+        unlock();
+        if (!_last_err) {
+            return true;
+        }
+    }
+    tr_error("AT sync failed");
+    return false;
+}
diff --git a/features/cellular/framework/AT/ATHandler.h b/features/cellular/framework/AT/ATHandler.h
@@ -181,6 +181,13 @@ class ATHandler {
      */
     void set_is_filehandle_usable(bool usable);
 
+    /** Synchronize AT command and response handling to modem.
+     *
+     *  @param timeout_ms ATHandler timeout when trying to sync. Will be restored when function returns.
+     *  @return true is synchronization was successful, false in case of failure
+     */
+    bool sync(int timeout_ms);
+
 protected:
     void event();
 #ifdef AT_HANDLER_MUTEX
@@ -211,8 +218,6 @@ class ATHandler {
     uint16_t _at_send_delay;
     uint64_t _last_response_stop;
 
-    bool _fh_sigio_set;
-
     bool _processing;
     int32_t _ref_count;
     bool _is_fh_usable;

diff --git a/features/cellular/framework/AT/AT_CellularContext.cpp b/features/cellular/framework/AT/AT_CellularContext.cpp
@@ -28,6 +28,7 @@
 #define DEVICE_TIMEOUT 5 * 60 * 1000 // 5 minutes
 
 #if NSAPI_PPP_AVAILABLE
+#define AT_SYNC_TIMEOUT 1000 // 1 second timeout
 #include "nsapi_ppp.h"
 #endif
 
@@ -557,6 +558,8 @@ void AT_CellularContext::do_connect()
             tr_error("Failed to open data channel!");
             call_network_cb(NSAPI_STATUS_DISCONNECTED);
             _is_connected = false;
+        } else {
+            _is_context_activated = true;
         }
     }
 #else
@@ -630,13 +633,17 @@ nsapi_error_t AT_CellularContext::disconnect()
     _at.lock();
     _at.set_file_handle(_at.get_file_handle());
     _at.set_is_filehandle_usable(true);
-    //_at.sync(); // consume extra characters after ppp disconnect, also it may take a while until modem listens AT commands
+    if (!_at.sync(AT_SYNC_TIMEOUT)) { // consume extra characters after ppp disconnect, also it may take a while until modem listens AT commands
+        tr_error("AT sync failed after PPP Disconnect");
+    }
     _at.unlock();
 #endif // NSAPI_PPP_AVAILABLE
     _at.lock();
 
     // deactivate a context only if we have activated
     if (_is_context_activated) {
+        // CGACT and CGATT commands might take up to 3 minutes to respond.
+        _at.set_at_timeout(180 * 1000);
         _is_context_active = false;
         size_t active_contexts_count = 0;
         _at.cmd_start("AT+CGACT?");
@@ -662,17 +669,27 @@ nsapi_error_t AT_CellularContext::disconnect()
         // 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 && (rat < CellularNetwork::RAT_E_UTRAN || active_contexts_count > 1)) {
+            _at.clear_error();
             _at.cmd_start("AT+CGACT=0,");
             _at.write_int(_cid);
             _at.cmd_stop_read_resp();
         }
-    }
 
-    if (!_at.get_last_error()) {
-        _is_connected = false;
-        call_network_cb(NSAPI_STATUS_DISCONNECTED);
+        if (_new_context_set) {
+            _at.clear_error();
+            _at.cmd_start("AT+CGDCONT=");
+            _at.write_int(_cid);
+            _at.cmd_stop_read_resp();
+        }
+        _at.clear_error();
+        _at.cmd_start("AT+CGATT=0");
+        _at.cmd_stop_read_resp();
+        _at.restore_at_timeout();
     }
 
+    _is_connected = false;
+    call_network_cb(NSAPI_STATUS_DISCONNECTED);
+
     return _at.unlock_return_error();
 }
 

diff --git a/features/cellular/framework/AT/AT_CellularNetwork.cpp b/features/cellular/framework/AT/AT_CellularNetwork.cpp
@@ -361,6 +361,9 @@ nsapi_error_t AT_CellularNetwork::detach()
     _at.cmd_start("AT+CGATT=0");
     _at.cmd_stop_read_resp();
 
+    _at.cmd_start("AT+COPS=2");
+    _at.cmd_stop_read_resp();
+
     call_network_cb(NSAPI_STATUS_DISCONNECTED);
 
     return _at.unlock_return_error();

diff --git a/features/cellular/framework/targets/QUECTEL/BC95/QUECTEL_BC95_CellularNetwork.cpp b/features/cellular/framework/targets/QUECTEL/BC95/QUECTEL_BC95_CellularNetwork.cpp
@@ -36,8 +36,8 @@ AT_CellularNetwork::RegistrationMode QUECTEL_BC95_CellularNetwork::has_registrat
 nsapi_error_t QUECTEL_BC95_CellularNetwork::set_access_technology_impl(RadioAccessTechnology opRat)
 {
     if (opRat != RAT_NB1) {
-        //TODO: Set as unknown or force to NB1?
-        _op_act = RAT_UNKNOWN;
+        // only rat that is supported by this modem
+        _op_act = RAT_NB1;
         return NSAPI_ERROR_UNSUPPORTED;
     }
 

diff --git a/targets/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/PinNames.h b/targets/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F030R8/PinNames.h
@@ -117,7 +117,6 @@ typedef enum {
     // ADC internal channels
     ADC_TEMP = 0xF0,
     ADC_VREF = 0xF1,
-    ADC_VBAT = 0xF2,
 
     // Arduino connector namings
     A0          = PA_0,

diff --git a/targets/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/PinNames.h b/targets/TARGET_STM/TARGET_STM32F0/TARGET_NUCLEO_F070RB/PinNames.h
@@ -115,7 +115,6 @@ typedef enum {
     // ADC internal channels
     ADC_TEMP = 0xF0,
     ADC_VREF = 0xF1,
-    ADC_VBAT = 0xF2,
 
     // Arduino connector namings
     A0          = PA_0,

diff --git a/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_DISCO_F746NG/system_clock.c b/targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F746xG/TARGET_DISCO_F746NG/system_clock.c
@@ -30,6 +30,7 @@
 **/
 
 #include "stm32f7xx.h"
+#include "nvic_addr.h"
 #include "mbed_error.h"
 
 /*!< Uncomment the following line if you need to relocate your vector Table in
@@ -92,7 +93,7 @@ void SystemInit(void)
 #ifdef VECT_TAB_SRAM
     SCB->VTOR = RAMDTCM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
 #else
-    SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
+    SCB->VTOR = NVIC_FLASH_VECTOR_ADDRESS; /* Vector Table Relocation in Internal FLASH */
 #endif
 
 }

diff --git a/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L072xZ/TARGET_DISCO_L072CZ_LRWAN1/PinNames.h b/targets/TARGET_STM/TARGET_STM32L0/TARGET_STM32L072xZ/TARGET_DISCO_L072CZ_LRWAN1/PinNames.h
@@ -100,7 +100,6 @@ typedef enum {
     // ADC internal channels
     ADC_TEMP = 0xF0,
     ADC_VREF = 0xF1,
-    ADC_VBAT = 0xF2,
 
     // Arduino connector namings
     A0          = PA_0,

diff --git a/targets/targets.json b/targets/targets.json
@@ -3460,6 +3460,7 @@
         ],
         "release_versions": ["2", "5"],
         "device_name": "STM32F746NG",
+        "bootloader_supported": true,
         "overrides": {
             "network-default-interface-type": "ETHERNET"
         }
@@ -7299,7 +7300,7 @@
             "USTICKER"
         ],
         "device_name": "TMPM4G9F15FG",
-        "detect_code": ["7016"],
+        "detect_code": ["7015"],
         "release_versions": ["5"],
         "bootloader_supported": true
     },

diff --git a/tools/export/iar/iar_definitions.json b/tools/export/iar/iar_definitions.json
@@ -129,6 +129,9 @@
     "STM32F439ZI": {
         "OGChipSelectEditMenu": "STM32F439ZI\tST STM32F439ZI"
     },
+    "STM32F439VI": {
+        "OGChipSelectEditMenu": "STM32F439VI\tST STM32F439VI"
+    },
     "LPC1768": {
         "OGChipSelectEditMenu": "LPC1768\tNXP LPC1768"
     },