Anthony Phillips / Mbed OS ATT_AWS_IoT_demo

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

WNCInterface/WNCInterface.cpp@15:6f2798e45099, 2016-12-01 (annotated)

Committer:
ampembeng
Date:
Thu Dec 01 18:05:38 2016 +0000
Revision:
15:6f2798e45099
Child:
23:b9ff83dc965f
Initial commit.  Demo works with both the FRDM wired Ethernet and the Avnet Shield wireless modem.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ampembeng 15:6f2798e45099 1 /* =====================================================================
ampembeng 15:6f2798e45099 2 Copyright © 2016, Avnet (R)
ampembeng 15:6f2798e45099 3
ampembeng 15:6f2798e45099 4 Contributors:
ampembeng 15:6f2798e45099 5 * James M Flynn, www.em.avnet.com
ampembeng 15:6f2798e45099 6
ampembeng 15:6f2798e45099 7 Licensed under the Apache License, Version 2.0 (the "License");
ampembeng 15:6f2798e45099 8 you may not use this file except in compliance with the License.
ampembeng 15:6f2798e45099 9 You may obtain a copy of the License at
ampembeng 15:6f2798e45099 10
ampembeng 15:6f2798e45099 11 http://www.apache.org/licenses/LICENSE-2.0
ampembeng 15:6f2798e45099 12
ampembeng 15:6f2798e45099 13 Unless required by applicable law or agreed to in writing,
ampembeng 15:6f2798e45099 14 software distributed under the License is distributed on an
ampembeng 15:6f2798e45099 15 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
ampembeng 15:6f2798e45099 16 either express or implied. See the License for the specific
ampembeng 15:6f2798e45099 17 language governing permissions and limitations under the License.
ampembeng 15:6f2798e45099 18
ampembeng 15:6f2798e45099 19 @file WNCInterface.cpp
ampembeng 15:6f2798e45099 20 @version 1.0
ampembeng 15:6f2798e45099 21 @date Sept 2016
ampembeng 15:6f2798e45099 22 @author James Flynn
ampembeng 15:6f2798e45099 23
ampembeng 15:6f2798e45099 24 ======================================================================== */
ampembeng 15:6f2798e45099 25
ampembeng 15:6f2798e45099 26
ampembeng 15:6f2798e45099 27 #ifndef __MODULE__
ampembeng 15:6f2798e45099 28 #define __MODULE__ "WNCInterface.cpp"
ampembeng 15:6f2798e45099 29 #endif
ampembeng 15:6f2798e45099 30
ampembeng 15:6f2798e45099 31 #include "WNCInterface.h"
ampembeng 15:6f2798e45099 32
ampembeng 15:6f2798e45099 33 /////////////////////////////////////////////////////
ampembeng 15:6f2798e45099 34 // NXP GPIO Pins that are used to initialize the WNC Shield
ampembeng 15:6f2798e45099 35 /////////////////////////////////////////////////////
ampembeng 15:6f2798e45099 36 DigitalOut mdm_uart2_rx_boot_mode_sel(PTC17); // on powerup, 0 = boot mode, 1 = normal boot
ampembeng 15:6f2798e45099 37 DigitalOut mdm_power_on(PTB9); // 0 = turn modem on, 1 = turn modem off (should be held high for >5 seconds to cycle modem)
ampembeng 15:6f2798e45099 38 DigitalOut mdm_wakeup_in(PTC2); // 0 = let modem sleep, 1 = keep modem awake -- Note: pulled high on shield
ampembeng 15:6f2798e45099 39 DigitalOut mdm_reset(PTC12); // active high
ampembeng 15:6f2798e45099 40 DigitalOut shield_3v3_1v8_sig_trans_ena(PTC4); // 0 = disabled (all signals high impedence, 1 = translation active
ampembeng 15:6f2798e45099 41 DigitalOut mdm_uart1_cts(PTD0);
ampembeng 15:6f2798e45099 42
ampembeng 15:6f2798e45099 43 char * _fatal_err_loc; //GLOBAL::holds any error location info
ampembeng 15:6f2798e45099 44 MODSERIAL * _dbgout;
ampembeng 15:6f2798e45099 45 Mutex _WNCLock;
ampembeng 15:6f2798e45099 46
ampembeng 15:6f2798e45099 47 using namespace WncControllerK64F_fk; // namespace for the controller class use
ampembeng 15:6f2798e45099 48
ampembeng 15:6f2798e45099 49 // Define pin associations for the controller class to use be careful to
ampembeng 15:6f2798e45099 50 // keep the order of the pins in the initialization list.
ampembeng 15:6f2798e45099 51 WncGpioPinListK64F wncPinList = {
ampembeng 15:6f2798e45099 52 &mdm_uart2_rx_boot_mode_sel,
ampembeng 15:6f2798e45099 53 &mdm_power_on,
ampembeng 15:6f2798e45099 54 &mdm_wakeup_in,
ampembeng 15:6f2798e45099 55 &mdm_reset,
ampembeng 15:6f2798e45099 56 &shield_3v3_1v8_sig_trans_ena,
ampembeng 15:6f2798e45099 57 &mdm_uart1_cts
ampembeng 15:6f2798e45099 58 };
ampembeng 15:6f2798e45099 59
ampembeng 15:6f2798e45099 60 static MODSERIAL mdmUart(PTD3,PTD2,256,4096); //UART for WNC Module
ampembeng 15:6f2798e45099 61
ampembeng 15:6f2798e45099 62 WncControllerK64F *WNCInterface::_pwnc;
ampembeng 15:6f2798e45099 63 WncIpStats WNCInterface::myNetStats;
ampembeng 15:6f2798e45099 64 string WNCInterface::mac;
ampembeng 15:6f2798e45099 65
ampembeng 15:6f2798e45099 66 WNCInterface::WNCInterface() {
ampembeng 15:6f2798e45099 67 _dbgout = NULL;
ampembeng 15:6f2798e45099 68 }
ampembeng 15:6f2798e45099 69
ampembeng 15:6f2798e45099 70 void WNCInterface::doDebug( int v ) {
ampembeng 15:6f2798e45099 71 //basic debug = 0x01
ampembeng 15:6f2798e45099 72 //more debug = 0x02
ampembeng 15:6f2798e45099 73 //all debug = 0x03
ampembeng 15:6f2798e45099 74 M_LOCK;
ampembeng 15:6f2798e45099 75 _pwnc->enableDebug( (v&1), (v&2) );
ampembeng 15:6f2798e45099 76 M_ULOCK;
ampembeng 15:6f2798e45099 77 }
ampembeng 15:6f2798e45099 78
ampembeng 15:6f2798e45099 79 //
ampembeng 15:6f2798e45099 80 // Power-up the WNC module. The caller can optionally configure.
ampembeng 15:6f2798e45099 81 // Inputs:
ampembeng 15:6f2798e45099 82 // apn - Caller can specify an APN. If none is provided will use "m2m.com.attz"
ampembeng 15:6f2798e45099 83 // debug- specify the amount of debug the WNC controller should output:
ampembeng 15:6f2798e45099 84 // 1 - Basic Debug output
ampembeng 15:6f2798e45099 85 // 2 - Verbose Debug output
ampembeng 15:6f2798e45099 86 // 3 - Full Debug output
ampembeng 15:6f2798e45099 87 // Returns: 0 if unable to initialize the WNC module
ampembeng 15:6f2798e45099 88 // -1 if successfully initialized
ampembeng 15:6f2798e45099 89 //
ampembeng 15:6f2798e45099 90 int WNCInterface::init(const char* apn, MODSERIAL * debug) {
ampembeng 15:6f2798e45099 91 int ret = 0;
ampembeng 15:6f2798e45099 92
ampembeng 15:6f2798e45099 93 M_LOCK;
ampembeng 15:6f2798e45099 94 if( debug ) {
ampembeng 15:6f2798e45099 95 _dbgout = debug;
ampembeng 15:6f2798e45099 96 _pwnc = new WncControllerK64F_fk::WncControllerK64F::WncControllerK64F(&wncPinList, &mdmUart, debug);
ampembeng 15:6f2798e45099 97 #if WNC_DEBUG == 1
ampembeng 15:6f2798e45099 98 _pwnc->enableDebug(1,1);
ampembeng 15:6f2798e45099 99 #endif
ampembeng 15:6f2798e45099 100 }
ampembeng 15:6f2798e45099 101 else
ampembeng 15:6f2798e45099 102 _pwnc = new WncControllerK64F_fk::WncControllerK64F::WncControllerK64F(&wncPinList, &mdmUart, NULL);
ampembeng 15:6f2798e45099 103
ampembeng 15:6f2798e45099 104 if( apn==NULL )
ampembeng 15:6f2798e45099 105 apn = APN_DEFAULT;
ampembeng 15:6f2798e45099 106
ampembeng 15:6f2798e45099 107 ret = ( _pwnc->powerWncOn(apn,40) )? 2:0;
ampembeng 15:6f2798e45099 108 ret |= ( _pwnc->setApnName(apn) )? 1:0;
ampembeng 15:6f2798e45099 109 ret |= ( _pwnc->getWncNetworkingStats(&myNetStats) )? 4:0;
ampembeng 15:6f2798e45099 110 M_ULOCK;
ampembeng 15:6f2798e45099 111
ampembeng 15:6f2798e45099 112 return ret;
ampembeng 15:6f2798e45099 113 }
ampembeng 15:6f2798e45099 114
ampembeng 15:6f2798e45099 115 //
ampembeng 15:6f2798e45099 116 // check to see if we are connected to the internet or not. The
ampembeng 15:6f2798e45099 117 // connection is supposed to happen during init. If we are
ampembeng 15:6f2798e45099 118 // connected to the internet return 0 otherwise return -1
ampembeng 15:6f2798e45099 119 //
ampembeng 15:6f2798e45099 120 int WNCInterface::connect(void) {
ampembeng 15:6f2798e45099 121 return ( _pwnc->getWncStatus() == WNC_GOOD )? 0 : -1;
ampembeng 15:6f2798e45099 122 }
ampembeng 15:6f2798e45099 123
ampembeng 15:6f2798e45099 124 //
ampembeng 15:6f2798e45099 125 // ok, the user wants to disconnect. At present, this isn't possible
ampembeng 15:6f2798e45099 126 // with the WNC, so just fake it and say we did...
ampembeng 15:6f2798e45099 127 //
ampembeng 15:6f2798e45099 128 int WNCInterface::disconnect() {
ampembeng 15:6f2798e45099 129 return 0;
ampembeng 15:6f2798e45099 130 }
ampembeng 15:6f2798e45099 131
ampembeng 15:6f2798e45099 132 //
ampembeng 15:6f2798e45099 133 // update the networking stats and return the IP Address
ampembeng 15:6f2798e45099 134 //
ampembeng 15:6f2798e45099 135 char * WNCInterface::getIPAddress() {
ampembeng 15:6f2798e45099 136 M_LOCK;
ampembeng 15:6f2798e45099 137 if ( _pwnc->getWncNetworkingStats(&myNetStats) ) {
ampembeng 15:6f2798e45099 138 CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), null);
ampembeng 15:6f2798e45099 139 M_ULOCK;
ampembeng 15:6f2798e45099 140 return &myNetStats.ip[0];
ampembeng 15:6f2798e45099 141 }
ampembeng 15:6f2798e45099 142 M_ULOCK;
ampembeng 15:6f2798e45099 143 return NULL;
ampembeng 15:6f2798e45099 144 }
ampembeng 15:6f2798e45099 145
ampembeng 15:6f2798e45099 146 //
ampembeng 15:6f2798e45099 147 // update the networking stats and return the Gateway Address
ampembeng 15:6f2798e45099 148 //
ampembeng 15:6f2798e45099 149 char * WNCInterface::getGateway() {
ampembeng 15:6f2798e45099 150 M_LOCK;
ampembeng 15:6f2798e45099 151 if ( _pwnc->getWncNetworkingStats(&myNetStats) ) {
ampembeng 15:6f2798e45099 152 CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), null);
ampembeng 15:6f2798e45099 153 M_ULOCK;
ampembeng 15:6f2798e45099 154 return &WNCInterface::myNetStats.gateway[0];
ampembeng 15:6f2798e45099 155 }
ampembeng 15:6f2798e45099 156 M_ULOCK;
ampembeng 15:6f2798e45099 157 return NULL;
ampembeng 15:6f2798e45099 158 }
ampembeng 15:6f2798e45099 159
ampembeng 15:6f2798e45099 160 //
ampembeng 15:6f2798e45099 161 // update the networking stats and return the Network Mask
ampembeng 15:6f2798e45099 162 //
ampembeng 15:6f2798e45099 163 char * WNCInterface::getNetworkMask() {
ampembeng 15:6f2798e45099 164 M_LOCK;
ampembeng 15:6f2798e45099 165 if ( _pwnc->getWncNetworkingStats(&myNetStats) ) {
ampembeng 15:6f2798e45099 166 CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), null);
ampembeng 15:6f2798e45099 167 M_ULOCK;
ampembeng 15:6f2798e45099 168 return &WNCInterface::myNetStats.mask[0];
ampembeng 15:6f2798e45099 169 }
ampembeng 15:6f2798e45099 170 M_ULOCK;
ampembeng 15:6f2798e45099 171 return NULL;
ampembeng 15:6f2798e45099 172 }
ampembeng 15:6f2798e45099 173
ampembeng 15:6f2798e45099 174 //
ampembeng 15:6f2798e45099 175 // return a pesudo-MAC address created from the ICCID
ampembeng 15:6f2798e45099 176 //
ampembeng 15:6f2798e45099 177 char* WNCInterface::getMACAddress( void ) {
ampembeng 15:6f2798e45099 178 string str;
ampembeng 15:6f2798e45099 179
ampembeng 15:6f2798e45099 180 M_LOCK;
ampembeng 15:6f2798e45099 181 if( _pwnc->getICCID(&str) ) {
ampembeng 15:6f2798e45099 182 CHK_WNCFE(( WNCInterface::_pwnc->getWncStatus() == FATAL_FLAG ), null);
ampembeng 15:6f2798e45099 183 mac = str.substr(3,20);
ampembeng 15:6f2798e45099 184 mac[2]=mac[5]=mac[8]=mac[11]=mac[14]=':';
ampembeng 15:6f2798e45099 185 M_ULOCK;
ampembeng 15:6f2798e45099 186 return (char*)mac.c_str();
ampembeng 15:6f2798e45099 187 }
ampembeng 15:6f2798e45099 188 M_ULOCK;
ampembeng 15:6f2798e45099 189 return NULL;
ampembeng 15:6f2798e45099 190 }
ampembeng 15:6f2798e45099 191
ampembeng 15:6f2798e45099 192