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@3:f20e114eb2ee, 2016-10-04 (annotated)

Committer:
defrost
Date:
Tue Oct 04 16:20:14 2016 +0000
Revision:
3:f20e114eb2ee
Parent:
2:7abdaa5a9209
Child:
5:0c7d131e6089
- Works well with server

Who changed what in which revision?

UserRevisionLine numberNew contents of line
defrost 1:4403f2ed1c1f 1 // ***************
defrost 1:4403f2ed1c1f 2 // * globals.cpp *
defrost 1:4403f2ed1c1f 3 // ***************
defrost 1:4403f2ed1c1f 4 //
defrost 1:4403f2ed1c1f 5 // Created: 2015/03/19
defrost 1:4403f2ed1c1f 6 // By: Damien Frost
defrost 1:4403f2ed1c1f 7
defrost 1:4403f2ed1c1f 8 #include "mbed.h"
defrost 1:4403f2ed1c1f 9 #include "globals.h"
defrost 1:4403f2ed1c1f 10
defrost 1:4403f2ed1c1f 11 //#define DEBUG
defrost 1:4403f2ed1c1f 12 #define INFOMESSAGES
defrost 1:4403f2ed1c1f 13 #define WARNMESSAGES
defrost 1:4403f2ed1c1f 14 #define ERRMESSAGES
defrost 1:4403f2ed1c1f 15 #define FUNCNAME "GBL"
defrost 1:4403f2ed1c1f 16 #include "messages.h"
defrost 1:4403f2ed1c1f 17
defrost 1:4403f2ed1c1f 18 char* wifissid = "SC";
defrost 1:4403f2ed1c1f 19 char* wifipassword = "smartcellshield";
defrost 1:4403f2ed1c1f 20
defrost 1:4403f2ed1c1f 21 Serial pc(USBTX, USBRX);
defrost 1:4403f2ed1c1f 22 InterruptIn UIBut1(USER_BUTTON);
defrost 1:4403f2ed1c1f 23 Timer DisplayTimer;
defrost 2:7abdaa5a9209 24 DigitalOut Led(LED1);
defrost 1:4403f2ed1c1f 25
defrost 3:f20e114eb2ee 26 WiflyInterface eth(D8, D2, D6, D5, wifissid, wifipassword, WPA2);
defrost 1:4403f2ed1c1f 27
defrost 1:4403f2ed1c1f 28 int ReconnectAttempts = 0;
defrost 1:4403f2ed1c1f 29 int SendCounter = 0;
defrost 1:4403f2ed1c1f 30 extern int IoT_ID = 0;
defrost 1:4403f2ed1c1f 31 float TempSensor = 0.0f;
defrost 1:4403f2ed1c1f 32
defrost 1:4403f2ed1c1f 33 Websocket ws;
defrost 1:4403f2ed1c1f 34
defrost 1:4403f2ed1c1f 35
defrost 1:4403f2ed1c1f 36 int SetupNetwork(int Tries){
defrost 1:4403f2ed1c1f 37 // Initialize the interface.
defrost 1:4403f2ed1c1f 38 // If no param is passed to init() then DHCP will be used on connect()
defrost 1:4403f2ed1c1f 39 int s = eth.init();
defrost 1:4403f2ed1c1f 40 int attempts = 1;
defrost 1:4403f2ed1c1f 41
defrost 1:4403f2ed1c1f 42 wait(1);
defrost 1:4403f2ed1c1f 43 if (s != NULL) {
defrost 1:4403f2ed1c1f 44 ERR("Could not initialise. Halting!");
defrost 1:4403f2ed1c1f 45 exit(0);
defrost 1:4403f2ed1c1f 46 }
defrost 1:4403f2ed1c1f 47
defrost 1:4403f2ed1c1f 48 INFO("Connecting to: %s", wifissid);
defrost 1:4403f2ed1c1f 49 DBG("Getting IP address...");
defrost 1:4403f2ed1c1f 50
defrost 1:4403f2ed1c1f 51 while (1) {
defrost 1:4403f2ed1c1f 52 // Connect to network:
defrost 1:4403f2ed1c1f 53 s = eth.connect();
defrost 1:4403f2ed1c1f 54 // If connection fails, retry for 5 attempts:
defrost 1:4403f2ed1c1f 55 if (s == false || s < 0) {
defrost 1:4403f2ed1c1f 56 INFO("Could not connect to network. Retrying!");
defrost 1:4403f2ed1c1f 57 attempts++;
defrost 1:4403f2ed1c1f 58 wait(1);
defrost 1:4403f2ed1c1f 59 } else {
defrost 1:4403f2ed1c1f 60
defrost 1:4403f2ed1c1f 61 break;
defrost 1:4403f2ed1c1f 62 }
defrost 1:4403f2ed1c1f 63 if(attempts > Tries){
defrost 1:4403f2ed1c1f 64 ERR("Network connection failed after %d attempts", Tries);
defrost 1:4403f2ed1c1f 65 return 0;
defrost 1:4403f2ed1c1f 66 }
defrost 1:4403f2ed1c1f 67 }
defrost 1:4403f2ed1c1f 68 INFO("Connected to: %s", wifissid);
defrost 1:4403f2ed1c1f 69 INFO("Got IP address: %s", eth.getIPAddress());
defrost 1:4403f2ed1c1f 70 IotStatus.SetFlag(SF_WIRELESSCONNECTED);
defrost 1:4403f2ed1c1f 71 return 1;
defrost 1:4403f2ed1c1f 72
defrost 1:4403f2ed1c1f 73 }
defrost 1:4403f2ed1c1f 74
defrost 1:4403f2ed1c1f 75 void SendNetworkData(void){
defrost 1:4403f2ed1c1f 76 char msg_buffer[CHARMSGBUFF];
defrost 1:4403f2ed1c1f 77 int intresult;
defrost 1:4403f2ed1c1f 78
defrost 1:4403f2ed1c1f 79 if(IotStatus.CheckFlag(SF_SERVERCONNECTED)){
defrost 1:4403f2ed1c1f 80 sprintf(msg_buffer, "%d,%d,%.5f", IoT_ID, SendCounter,TempSensor);
defrost 1:4403f2ed1c1f 81 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 82 intresult = ws.send(msg_buffer);
defrost 1:4403f2ed1c1f 83 }else{
defrost 1:4403f2ed1c1f 84 intresult = -1;
defrost 1:4403f2ed1c1f 85 }
defrost 1:4403f2ed1c1f 86 DBG("intresult: %d", intresult);
defrost 1:4403f2ed1c1f 87
defrost 1:4403f2ed1c1f 88 if(intresult < 0){
defrost 1:4403f2ed1c1f 89 // Clear a status flag:
defrost 1:4403f2ed1c1f 90 IotStatus.ClearFlag(SF_SERVERCONNECTED);
defrost 1:4403f2ed1c1f 91 // Check to see if the wireless is still connected:
defrost 1:4403f2ed1c1f 92 DBG("Checking network status...");
defrost 1:4403f2ed1c1f 93 if(eth.checkNetworkStatus() != 3){
defrost 1:4403f2ed1c1f 94 IotStatus.ClearFlag(SF_WIRELESSCONNECTED);
defrost 1:4403f2ed1c1f 95 // Connect to the wireless network:
defrost 1:4403f2ed1c1f 96 if(IotStatus.CheckFlag(SF_AUTOCONNECT)){
defrost 1:4403f2ed1c1f 97 INFO("Reconnecting to Network...");
defrost 1:4403f2ed1c1f 98 if(SetupNetwork(1)>0){
defrost 1:4403f2ed1c1f 99 IotStatus.SetFlag(SF_WIRELESSCONNECTED);
defrost 1:4403f2ed1c1f 100 INFO("Connected to Network.");
defrost 1:4403f2ed1c1f 101 }else{
defrost 1:4403f2ed1c1f 102 WARN("Could not re-connect to the wireless network.");
defrost 1:4403f2ed1c1f 103 }
defrost 1:4403f2ed1c1f 104 }
defrost 1:4403f2ed1c1f 105 }else{
defrost 1:4403f2ed1c1f 106 DBG("Network connected.");
defrost 1:4403f2ed1c1f 107 }
defrost 1:4403f2ed1c1f 108
defrost 1:4403f2ed1c1f 109 if(IotStatus.CheckFlag(SF_AUTOCONNECT) && IotStatus.CheckFlag(SF_WIRELESSCONNECTED)){
defrost 1:4403f2ed1c1f 110 // Server connection was closed, try to reconnect:
defrost 1:4403f2ed1c1f 111 INFO("Reconnecting to Websocket Server on ws://%s:%d/ws...", SERVER_IP, WS_PORT);
defrost 1:4403f2ed1c1f 112 if(!ws.connect()){
defrost 1:4403f2ed1c1f 113 WARN("Could not connect to the server again...");
defrost 1:4403f2ed1c1f 114 IotStatus.ClearFlag(SF_SERVERCONNECTED);
defrost 1:4403f2ed1c1f 115 ReconnectAttempts++;
defrost 1:4403f2ed1c1f 116 if(ReconnectAttempts > 4){
defrost 1:4403f2ed1c1f 117 INFO("Failed after %d reconnect attempts. Resetting the Wifi Shield...", ReconnectAttempts);
defrost 1:4403f2ed1c1f 118 SetupNetwork(1);
defrost 1:4403f2ed1c1f 119 ReconnectAttempts = 0;
defrost 1:4403f2ed1c1f 120 }
defrost 1:4403f2ed1c1f 121 }else{
defrost 1:4403f2ed1c1f 122 INFO("Connected to ws://%s:%d/ws", SERVER_IP, WS_PORT);
defrost 1:4403f2ed1c1f 123 // Set a status flag:
defrost 1:4403f2ed1c1f 124 IotStatus.SetFlag(SF_SERVERCONNECTED);
defrost 1:4403f2ed1c1f 125 }
defrost 1:4403f2ed1c1f 126 }
defrost 1:4403f2ed1c1f 127 }
defrost 1:4403f2ed1c1f 128
defrost 1:4403f2ed1c1f 129 return;
defrost 1:4403f2ed1c1f 130 }
defrost 1:4403f2ed1c1f 131
defrost 1:4403f2ed1c1f 132 void ReceiveNetworkData(unsigned int * wifi_cmd, unsigned int * var, float * value){
defrost 1:4403f2ed1c1f 133 char msg_buffer[CHARMSGBUFF];
defrost 1:4403f2ed1c1f 134 char msg_buffer2[CHARMSGBUFF];
defrost 2:7abdaa5a9209 135 int resp;
defrost 2:7abdaa5a9209 136 if(IotStatus.CheckFlag(SF_SERVERCONNECTED)){
defrost 2:7abdaa5a9209 137 // Check for data on the websocket:
defrost 2:7abdaa5a9209 138 resp = ws.readmsg(msg_buffer);
defrost 2:7abdaa5a9209 139 if(resp == 1){
defrost 2:7abdaa5a9209 140 INFO("Received: %s", msg_buffer);
defrost 2:7abdaa5a9209 141 sscanf(msg_buffer, "%d,%s", wifi_cmd, msg_buffer2);
defrost 2:7abdaa5a9209 142 if(*wifi_cmd == CHANGEVAR_WIFI_CMD){
defrost 3:f20e114eb2ee 143 // Get one more value:
defrost 2:7abdaa5a9209 144 sscanf(msg_buffer2, "%f", value);
defrost 2:7abdaa5a9209 145 }
defrost 2:7abdaa5a9209 146 }else if(resp == -1){
defrost 2:7abdaa5a9209 147 // Connection to the server is lost:
defrost 2:7abdaa5a9209 148 IotStatus.ClearFlag(SF_SERVERCONNECTED);
defrost 1:4403f2ed1c1f 149 }else{
defrost 2:7abdaa5a9209 150 //DBG("Did not receive anything :(\n\r");
defrost 2:7abdaa5a9209 151 *wifi_cmd = NO_WIFI_CMD;
defrost 2:7abdaa5a9209 152 *var = 0;
defrost 2:7abdaa5a9209 153 *value = 0.0f;
defrost 1:4403f2ed1c1f 154 }
defrost 1:4403f2ed1c1f 155 }
defrost 1:4403f2ed1c1f 156 return;
defrost 1:4403f2ed1c1f 157 }
defrost 1:4403f2ed1c1f 158
defrost 1:4403f2ed1c1f 159 void ModifyVariable(unsigned int wifi_var, float wifi_data){
defrost 1:4403f2ed1c1f 160 // modifies something in the SCS Controller:
defrost 1:4403f2ed1c1f 161 switch(wifi_var){
defrost 1:4403f2ed1c1f 162 case CV_LED:
defrost 3:f20e114eb2ee 163 if(wifi_data > 0){
defrost 3:f20e114eb2ee 164 Led = 1;
defrost 3:f20e114eb2ee 165 }else{
defrost 3:f20e114eb2ee 166 Led = 0;
defrost 3:f20e114eb2ee 167 }
defrost 1:4403f2ed1c1f 168 break;
defrost 1:4403f2ed1c1f 169
defrost 1:4403f2ed1c1f 170 default:
defrost 1:4403f2ed1c1f 171 break;
defrost 1:4403f2ed1c1f 172 }
defrost 1:4403f2ed1c1f 173 return;
defrost 1:4403f2ed1c1f 174 }
defrost 1:4403f2ed1c1f 175
defrost 1:4403f2ed1c1f 176
defrost 1:4403f2ed1c1f 177