Damien Frost / Mbed 2 deprecated BatteryModelTester

Skeleton program for Federico's 4YP project.

Dependencies:   WebSocketClient WiflyInterface mbed messages

Fork of IoT_Ex by Damien Frost

source/globals.cpp@6:424e225d2a91, 2016-10-06 (annotated)

Committer:
defrost
Date:
Thu Oct 06 08:04:34 2016 +0000
Revision:
6:424e225d2a91
Parent:
5:0c7d131e6089
Child:
7:bd21c60b5dd2
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Who changed what in which revision?

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defrost 5:0c7d131e6089 1 /**
defrost 5:0c7d131e6089 2 * @author Damien Frost
defrost 5:0c7d131e6089 3 *
defrost 5:0c7d131e6089 4 * @section LICENSE
defrost 5:0c7d131e6089 5 *
defrost 5:0c7d131e6089 6 * Copyright (c) 2016 Damien Frost
defrost 5:0c7d131e6089 7 *
defrost 5:0c7d131e6089 8 * Permission is hereby granted, free of charge, to any person obtaining a copy
defrost 5:0c7d131e6089 9 * of this software and associated documentation files (the "Software"), to deal
defrost 5:0c7d131e6089 10 * in the Software without restriction, including without limitation the rights
defrost 5:0c7d131e6089 11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
defrost 5:0c7d131e6089 12 * copies of the Software, and to permit persons to whom the Software is
defrost 5:0c7d131e6089 13 * furnished to do so, subject to the following conditions:
defrost 5:0c7d131e6089 14 *
defrost 5:0c7d131e6089 15 * The above copyright notice and this permission notice shall be included in
defrost 5:0c7d131e6089 16 * all copies or substantial portions of the Software.
defrost 5:0c7d131e6089 17 *
defrost 5:0c7d131e6089 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
defrost 5:0c7d131e6089 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
defrost 5:0c7d131e6089 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
defrost 5:0c7d131e6089 21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
defrost 5:0c7d131e6089 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
defrost 5:0c7d131e6089 23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
defrost 5:0c7d131e6089 24 * THE SOFTWARE.
defrost 5:0c7d131e6089 25 *
defrost 5:0c7d131e6089 26 * @file "globals.cpp"
defrost 5:0c7d131e6089 27 *
defrost 5:0c7d131e6089 28 * @section DESCRIPTION
defrost 5:0c7d131e6089 29 * Global definitions for the IoT example program.
defrost 5:0c7d131e6089 30 *
defrost 5:0c7d131e6089 31 */
defrost 1:4403f2ed1c1f 32
defrost 1:4403f2ed1c1f 33 #include "mbed.h"
defrost 1:4403f2ed1c1f 34 #include "globals.h"
defrost 1:4403f2ed1c1f 35
defrost 1:4403f2ed1c1f 36 //#define DEBUG
defrost 1:4403f2ed1c1f 37 #define INFOMESSAGES
defrost 1:4403f2ed1c1f 38 #define WARNMESSAGES
defrost 1:4403f2ed1c1f 39 #define ERRMESSAGES
defrost 1:4403f2ed1c1f 40 #define FUNCNAME "GBL"
defrost 1:4403f2ed1c1f 41 #include "messages.h"
defrost 1:4403f2ed1c1f 42
defrost 5:0c7d131e6089 43 // Hardware declarations:
defrost 1:4403f2ed1c1f 44 Serial pc(USBTX, USBRX);
defrost 1:4403f2ed1c1f 45 InterruptIn UIBut1(USER_BUTTON);
defrost 1:4403f2ed1c1f 46 Timer DisplayTimer;
defrost 2:7abdaa5a9209 47 DigitalOut Led(LED1);
defrost 1:4403f2ed1c1f 48
defrost 5:0c7d131e6089 49 // Global variable declarations:
defrost 1:4403f2ed1c1f 50 int ReconnectAttempts = 0;
defrost 1:4403f2ed1c1f 51 int SendCounter = 0;
defrost 1:4403f2ed1c1f 52 extern int IoT_ID = 0;
defrost 1:4403f2ed1c1f 53 float TempSensor = 0.0f;
defrost 6:424e225d2a91 54 char* wifissid = "SC";
defrost 6:424e225d2a91 55 char* wifipassword = "smartcellshield";
defrost 1:4403f2ed1c1f 56
defrost 5:0c7d131e6089 57 // Wifily interface declaration:
defrost 5:0c7d131e6089 58 WiflyInterface eth(D8, D2, D6, D5, wifissid, wifipassword, WPA2);
defrost 5:0c7d131e6089 59 // WebSocket declaration:
defrost 1:4403f2ed1c1f 60 Websocket ws;
defrost 1:4403f2ed1c1f 61
defrost 1:4403f2ed1c1f 62
defrost 1:4403f2ed1c1f 63 int SetupNetwork(int Tries){
defrost 1:4403f2ed1c1f 64 // Initialize the interface.
defrost 1:4403f2ed1c1f 65 // If no param is passed to init() then DHCP will be used on connect()
defrost 1:4403f2ed1c1f 66 int s = eth.init();
defrost 1:4403f2ed1c1f 67 int attempts = 1;
defrost 1:4403f2ed1c1f 68
defrost 1:4403f2ed1c1f 69 wait(1);
defrost 1:4403f2ed1c1f 70 if (s != NULL) {
defrost 1:4403f2ed1c1f 71 ERR("Could not initialise. Halting!");
defrost 1:4403f2ed1c1f 72 exit(0);
defrost 1:4403f2ed1c1f 73 }
defrost 1:4403f2ed1c1f 74
defrost 1:4403f2ed1c1f 75 INFO("Connecting to: %s", wifissid);
defrost 1:4403f2ed1c1f 76 DBG("Getting IP address...");
defrost 1:4403f2ed1c1f 77
defrost 1:4403f2ed1c1f 78 while (1) {
defrost 1:4403f2ed1c1f 79 // Connect to network:
defrost 1:4403f2ed1c1f 80 s = eth.connect();
defrost 1:4403f2ed1c1f 81 // If connection fails, retry for 5 attempts:
defrost 1:4403f2ed1c1f 82 if (s == false || s < 0) {
defrost 1:4403f2ed1c1f 83 INFO("Could not connect to network. Retrying!");
defrost 1:4403f2ed1c1f 84 attempts++;
defrost 1:4403f2ed1c1f 85 wait(1);
defrost 1:4403f2ed1c1f 86 } else {
defrost 1:4403f2ed1c1f 87
defrost 1:4403f2ed1c1f 88 break;
defrost 1:4403f2ed1c1f 89 }
defrost 1:4403f2ed1c1f 90 if(attempts > Tries){
defrost 1:4403f2ed1c1f 91 ERR("Network connection failed after %d attempts", Tries);
defrost 1:4403f2ed1c1f 92 return 0;
defrost 1:4403f2ed1c1f 93 }
defrost 1:4403f2ed1c1f 94 }
defrost 1:4403f2ed1c1f 95 INFO("Connected to: %s", wifissid);
defrost 1:4403f2ed1c1f 96 INFO("Got IP address: %s", eth.getIPAddress());
defrost 1:4403f2ed1c1f 97 IotStatus.SetFlag(SF_WIRELESSCONNECTED);
defrost 1:4403f2ed1c1f 98 return 1;
defrost 1:4403f2ed1c1f 99
defrost 1:4403f2ed1c1f 100 }
defrost 1:4403f2ed1c1f 101
defrost 1:4403f2ed1c1f 102 void SendNetworkData(void){
defrost 1:4403f2ed1c1f 103 char msg_buffer[CHARMSGBUFF];
defrost 1:4403f2ed1c1f 104 int intresult;
defrost 1:4403f2ed1c1f 105
defrost 1:4403f2ed1c1f 106 if(IotStatus.CheckFlag(SF_SERVERCONNECTED)){
defrost 1:4403f2ed1c1f 107 sprintf(msg_buffer, "%d,%d,%.5f", IoT_ID, SendCounter,TempSensor);
defrost 1:4403f2ed1c1f 108 INFO("Sending: %s", msg_buffer); // When this line is commented out, the mbed never tries to reconnect to the server after one try. SUPER. Keeping this here also uses precious CPU time
defrost 1:4403f2ed1c1f 109 intresult = ws.send(msg_buffer);
defrost 1:4403f2ed1c1f 110 }else{
defrost 1:4403f2ed1c1f 111 intresult = -1;
defrost 1:4403f2ed1c1f 112 }
defrost 1:4403f2ed1c1f 113 DBG("intresult: %d", intresult);
defrost 1:4403f2ed1c1f 114
defrost 1:4403f2ed1c1f 115 if(intresult < 0){
defrost 1:4403f2ed1c1f 116 // Clear a status flag:
defrost 1:4403f2ed1c1f 117 IotStatus.ClearFlag(SF_SERVERCONNECTED);
defrost 1:4403f2ed1c1f 118 // Check to see if the wireless is still connected:
defrost 1:4403f2ed1c1f 119 DBG("Checking network status...");
defrost 1:4403f2ed1c1f 120 if(eth.checkNetworkStatus() != 3){
defrost 1:4403f2ed1c1f 121 IotStatus.ClearFlag(SF_WIRELESSCONNECTED);
defrost 1:4403f2ed1c1f 122 // Connect to the wireless network:
defrost 1:4403f2ed1c1f 123 if(IotStatus.CheckFlag(SF_AUTOCONNECT)){
defrost 1:4403f2ed1c1f 124 INFO("Reconnecting to Network...");
defrost 1:4403f2ed1c1f 125 if(SetupNetwork(1)>0){
defrost 1:4403f2ed1c1f 126 IotStatus.SetFlag(SF_WIRELESSCONNECTED);
defrost 1:4403f2ed1c1f 127 INFO("Connected to Network.");
defrost 1:4403f2ed1c1f 128 }else{
defrost 1:4403f2ed1c1f 129 WARN("Could not re-connect to the wireless network.");
defrost 1:4403f2ed1c1f 130 }
defrost 1:4403f2ed1c1f 131 }
defrost 1:4403f2ed1c1f 132 }else{
defrost 1:4403f2ed1c1f 133 DBG("Network connected.");
defrost 1:4403f2ed1c1f 134 }
defrost 1:4403f2ed1c1f 135
defrost 1:4403f2ed1c1f 136 if(IotStatus.CheckFlag(SF_AUTOCONNECT) && IotStatus.CheckFlag(SF_WIRELESSCONNECTED)){
defrost 1:4403f2ed1c1f 137 // Server connection was closed, try to reconnect:
defrost 1:4403f2ed1c1f 138 INFO("Reconnecting to Websocket Server on ws://%s:%d/ws...", SERVER_IP, WS_PORT);
defrost 1:4403f2ed1c1f 139 if(!ws.connect()){
defrost 1:4403f2ed1c1f 140 WARN("Could not connect to the server again...");
defrost 1:4403f2ed1c1f 141 IotStatus.ClearFlag(SF_SERVERCONNECTED);
defrost 1:4403f2ed1c1f 142 ReconnectAttempts++;
defrost 1:4403f2ed1c1f 143 if(ReconnectAttempts > 4){
defrost 1:4403f2ed1c1f 144 INFO("Failed after %d reconnect attempts. Resetting the Wifi Shield...", ReconnectAttempts);
defrost 1:4403f2ed1c1f 145 SetupNetwork(1);
defrost 1:4403f2ed1c1f 146 ReconnectAttempts = 0;
defrost 1:4403f2ed1c1f 147 }
defrost 1:4403f2ed1c1f 148 }else{
defrost 1:4403f2ed1c1f 149 INFO("Connected to ws://%s:%d/ws", SERVER_IP, WS_PORT);
defrost 1:4403f2ed1c1f 150 // Set a status flag:
defrost 1:4403f2ed1c1f 151 IotStatus.SetFlag(SF_SERVERCONNECTED);
defrost 1:4403f2ed1c1f 152 }
defrost 1:4403f2ed1c1f 153 }
defrost 1:4403f2ed1c1f 154 }
defrost 1:4403f2ed1c1f 155
defrost 1:4403f2ed1c1f 156 return;
defrost 1:4403f2ed1c1f 157 }
defrost 1:4403f2ed1c1f 158
defrost 5:0c7d131e6089 159 void ReceiveNetworkData(unsigned int * wifi_cmd, float * value){
defrost 1:4403f2ed1c1f 160 char msg_buffer[CHARMSGBUFF];
defrost 1:4403f2ed1c1f 161 char msg_buffer2[CHARMSGBUFF];
defrost 2:7abdaa5a9209 162 int resp;
defrost 2:7abdaa5a9209 163 if(IotStatus.CheckFlag(SF_SERVERCONNECTED)){
defrost 2:7abdaa5a9209 164 // Check for data on the websocket:
defrost 2:7abdaa5a9209 165 resp = ws.readmsg(msg_buffer);
defrost 2:7abdaa5a9209 166 if(resp == 1){
defrost 2:7abdaa5a9209 167 INFO("Received: %s", msg_buffer);
defrost 2:7abdaa5a9209 168 sscanf(msg_buffer, "%d,%s", wifi_cmd, msg_buffer2);
defrost 5:0c7d131e6089 169 if(*wifi_cmd == CV_LED_WIFI_CMD){
defrost 3:f20e114eb2ee 170 // Get one more value:
defrost 2:7abdaa5a9209 171 sscanf(msg_buffer2, "%f", value);
defrost 2:7abdaa5a9209 172 }
defrost 2:7abdaa5a9209 173 }else if(resp == -1){
defrost 2:7abdaa5a9209 174 // Connection to the server is lost:
defrost 2:7abdaa5a9209 175 IotStatus.ClearFlag(SF_SERVERCONNECTED);
defrost 1:4403f2ed1c1f 176 }else{
defrost 2:7abdaa5a9209 177 //DBG("Did not receive anything :(\n\r");
defrost 2:7abdaa5a9209 178 *wifi_cmd = NO_WIFI_CMD;
defrost 2:7abdaa5a9209 179 *value = 0.0f;
defrost 1:4403f2ed1c1f 180 }
defrost 1:4403f2ed1c1f 181 }
defrost 1:4403f2ed1c1f 182 return;
defrost 1:4403f2ed1c1f 183 }
defrost 1:4403f2ed1c1f 184
defrost 1:4403f2ed1c1f 185 void ModifyVariable(unsigned int wifi_var, float wifi_data){
defrost 1:4403f2ed1c1f 186 // modifies something in the SCS Controller:
defrost 1:4403f2ed1c1f 187 switch(wifi_var){
defrost 1:4403f2ed1c1f 188 case CV_LED:
defrost 3:f20e114eb2ee 189 if(wifi_data > 0){
defrost 3:f20e114eb2ee 190 Led = 1;
defrost 3:f20e114eb2ee 191 }else{
defrost 3:f20e114eb2ee 192 Led = 0;
defrost 3:f20e114eb2ee 193 }
defrost 1:4403f2ed1c1f 194 break;
defrost 1:4403f2ed1c1f 195
defrost 1:4403f2ed1c1f 196 default:
defrost 1:4403f2ed1c1f 197 break;
defrost 1:4403f2ed1c1f 198 }
defrost 1:4403f2ed1c1f 199 return;
defrost 1:4403f2ed1c1f 200 }
defrost 1:4403f2ed1c1f 201
defrost 1:4403f2ed1c1f 202
defrost 1:4403f2ed1c1f 203