AWS IoT demonstration using the Avnet Shield (AT&T LTE) and the FRDM-K64F target board.

Dependencies:   K64F_FATFileSystem

Fork of mbed-os-example-tls-tls-client by mbed-os-examples

Revision:
15:6f2798e45099
Child:
23:b9ff83dc965f
diff -r 339320b096c5 -r 6f2798e45099 WNCInterface/WNCInterface.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WNCInterface/WNCInterface.cpp	Thu Dec 01 18:05:38 2016 +0000
@@ -0,0 +1,192 @@
+/* =====================================================================
+   Copyright © 2016, Avnet (R)
+
+   Contributors:
+     * James M Flynn, www.em.avnet.com 
+ 
+   Licensed under the Apache License, Version 2.0 (the "License"); 
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, 
+   software distributed under the License is distributed on an 
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
+   either express or implied. See the License for the specific 
+   language governing permissions and limitations under the License.
+
+    @file          WNCInterface.cpp
+    @version       1.0
+    @date          Sept 2016
+    @author        James Flynn
+
+======================================================================== */
+
+
+#ifndef __MODULE__
+#define __MODULE__ "WNCInterface.cpp"
+#endif
+
+#include "WNCInterface.h"
+
+/////////////////////////////////////////////////////
+// NXP GPIO Pins that are used to initialize the WNC Shield
+/////////////////////////////////////////////////////
+DigitalOut  mdm_uart2_rx_boot_mode_sel(PTC17);  // on powerup, 0 = boot mode, 1 = normal boot
+DigitalOut  mdm_power_on(PTB9);                 // 0 = turn modem on, 1 = turn modem off (should be held high for >5 seconds to cycle modem)
+DigitalOut  mdm_wakeup_in(PTC2);                // 0 = let modem sleep, 1 = keep modem awake -- Note: pulled high on shield
+DigitalOut  mdm_reset(PTC12);                   // active high
+DigitalOut  shield_3v3_1v8_sig_trans_ena(PTC4); // 0 = disabled (all signals high impedence, 1 = translation active
+DigitalOut  mdm_uart1_cts(PTD0);
+
+char * _fatal_err_loc;                          //GLOBAL::holds any error location info
+MODSERIAL * _dbgout;
+Mutex _WNCLock;
+
+using namespace WncControllerK64F_fk;       // namespace for the controller class use
+
+// Define pin associations for the controller class to use be careful to 
+//  keep the order of the pins in the initialization list.
+WncGpioPinListK64F wncPinList = { 
+    &mdm_uart2_rx_boot_mode_sel,
+    &mdm_power_on,
+    &mdm_wakeup_in,
+    &mdm_reset,
+    &shield_3v3_1v8_sig_trans_ena,
+    &mdm_uart1_cts
+};
+
+static MODSERIAL mdmUart(PTD3,PTD2,256,4096);       //UART for WNC Module
+
+WncControllerK64F *WNCInterface::_pwnc;
+WncIpStats WNCInterface::myNetStats;
+string WNCInterface::mac;
+    
+WNCInterface::WNCInterface() {
+    _dbgout = NULL;
+}
+
+void WNCInterface::doDebug( int v ) {
+    //basic debug = 0x01
+    //more debug  = 0x02
+    //all debug   = 0x03
+    M_LOCK;
+    _pwnc->enableDebug( (v&1), (v&2) );
+    M_ULOCK;
+}
+    
+//
+// Power-up the WNC module.  The caller can optionally configure.
+// Inputs:
+//    apn - Caller can specify an APN. If none is provided will use "m2m.com.attz"
+//   debug- specify the amount of debug the WNC controller should output:
+//          1 - Basic Debug output
+//          2 - Verbose Debug output
+//          3 - Full Debug output
+// Returns: 0 if unable to initialize the WNC module
+//         -1 if successfully initialized
+//
+int WNCInterface::init(const char* apn, MODSERIAL * debug) {
+    int ret = 0;
+    
+    M_LOCK;
+    if( debug ) {
+        _dbgout = debug;
+        _pwnc = new WncControllerK64F_fk::WncControllerK64F::WncControllerK64F(&wncPinList, &mdmUart, debug);
+#if WNC_DEBUG == 1
+    _pwnc->enableDebug(1,1);
+#endif
+        }
+    else
+        _pwnc = new WncControllerK64F_fk::WncControllerK64F::WncControllerK64F(&wncPinList, &mdmUart, NULL);
+
+    if( apn==NULL )
+        apn = APN_DEFAULT;
+
+    ret =  ( _pwnc->powerWncOn(apn,40) )? 2:0;
+    ret |= ( _pwnc->setApnName(apn) )? 1:0;
+    ret |= ( _pwnc->getWncNetworkingStats(&myNetStats) )? 4:0;
+    M_ULOCK;
+    
+    return ret;
+}
+
+//
+// check to see if we are connected to the internet or not. The 
+// connection is supposed to happen during init.  If we are
+// connected to the internet return 0 otherwise return -1
+//
+int WNCInterface::connect(void) {
+    return ( _pwnc->getWncStatus() == WNC_GOOD )? 0 : -1;
+}
+
+//
+// ok, the user wants to disconnect.  At present, this isn't possible
+// with the WNC, so just fake it and say we did...
+//
+int WNCInterface::disconnect() {
+    return 0;
+}
+
+//
+// update the networking stats and return the IP Address
+//
+char * WNCInterface::getIPAddress() {
+    M_LOCK;
+    if ( _pwnc->getWncNetworkingStats(&myNetStats) ) {
+        CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), null);
+        M_ULOCK;
+        return &myNetStats.ip[0];
+    }
+    M_ULOCK;
+    return NULL;
+}
+
+//
+// update the networking stats and return the Gateway Address
+//
+char * WNCInterface::getGateway() {
+    M_LOCK;
+    if ( _pwnc->getWncNetworkingStats(&myNetStats) ) {
+        CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), null);
+        M_ULOCK;
+        return &WNCInterface::myNetStats.gateway[0];
+    }
+    M_ULOCK;
+    return NULL;
+}
+
+//
+// update the networking stats and return the Network Mask
+//
+char * WNCInterface::getNetworkMask() {
+    M_LOCK;
+    if ( _pwnc->getWncNetworkingStats(&myNetStats) ) {
+        CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), null);
+        M_ULOCK;    
+        return &WNCInterface::myNetStats.mask[0];
+    }
+    M_ULOCK;    
+    return NULL;
+}
+
+//
+// return a pesudo-MAC address created from the ICCID
+//
+char* WNCInterface::getMACAddress( void ) {
+    string str;
+    
+    M_LOCK;
+    if( _pwnc->getICCID(&str) ) {
+        CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), null);
+        mac = str.substr(3,20);
+        mac[2]=mac[5]=mac[8]=mac[11]=mac[14]=':';
+        M_ULOCK;
+        return (char*)mac.c_str();
+    }
+    M_ULOCK;
+    return NULL;
+}
+
+