Tom Lamond / Mbed 2 deprecated Server_Interrupts

Server and Interrupts

Dependencies:   mbed mbed-rtos C12832_lcd EthernetInterface

main.cpp@0:fe9e5099378a, 2020-11-01 (annotated)

Committer:
lamondt
Date:
Sun Nov 01 13:46:36 2020 +0000
Revision:
0:fe9e5099378a
CW2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lamondt 0:fe9e5099378a 1 #include "mbed.h" // Incluide the main Mbed library
lamondt 0:fe9e5099378a 2 #include "C12832_lcd.h" // Include the LCD library
lamondt 0:fe9e5099378a 3 #include <EthernetInterface.h> // Include the Ethernet Library
lamondt 0:fe9e5099378a 4 #include "mbed_debug.h" // Include the Mbed debug library
lamondt 0:fe9e5099378a 5
lamondt 0:fe9e5099378a 6 DigitalOut RedLed (p23);
lamondt 0:fe9e5099378a 7 DigitalOut BlueLed (p25); // Declare digital outs for the RGB located on the application board
lamondt 0:fe9e5099378a 8 DigitalOut GreenLed (p24);
lamondt 0:fe9e5099378a 9
lamondt 0:fe9e5099378a 10 C12832_LCD lcd; // Declare object called LCD from the C12832_LCD Class
lamondt 0:fe9e5099378a 11
lamondt 0:fe9e5099378a 12 Ticker StrobeRoutine; // Declare ticker object called StrobeRoutine
lamondt 0:fe9e5099378a 13
lamondt 0:fe9e5099378a 14 DigitalOut SecurityLightFront (LED1); // Declare object and define pin as a digital output
lamondt 0:fe9e5099378a 15 DigitalOut SecurityLightBack (LED2); // Declare object and define pin as a digital output
lamondt 0:fe9e5099378a 16 DigitalOut IndoorStrobe (LED4); // Declare object and define pin as a digital output
lamondt 0:fe9e5099378a 17
lamondt 0:fe9e5099378a 18 InterruptIn Button (p13); // Declare button to send data
lamondt 0:fe9e5099378a 19 InterruptIn Reset (p14); // Declare object and define pin as an input with interrupt functionality
lamondt 0:fe9e5099378a 20 InterruptIn FrontDoorPIR(p21); // Declare object and define pin as an input with interrupt functionality
lamondt 0:fe9e5099378a 21 InterruptIn BackDoorPIR(p22); // Declare object and define pin as an input with interrupt functionality
lamondt 0:fe9e5099378a 22
lamondt 0:fe9e5099378a 23 #define Success 0
lamondt 0:fe9e5099378a 24 #define Failure -1 // Defining terms to logical values in order to
lamondt 0:fe9e5099378a 25 #define On Success // make programming more intuitive later on
lamondt 0:fe9e5099378a 26 #define Off 1
lamondt 0:fe9e5099378a 27
lamondt 0:fe9e5099378a 28
lamondt 0:fe9e5099378a 29 int FrontDoorCounter = 0; // Creating counter variables to store the
lamondt 0:fe9e5099378a 30 int BackDoorCounter = 0; // number of times the sensor has been activated
lamondt 0:fe9e5099378a 31
lamondt 0:fe9e5099378a 32 bool StartProcessing = 0;
lamondt 0:fe9e5099378a 33 bool Setup = 1;
lamondt 0:fe9e5099378a 34 bool FrontDoorStatus =0; // Declaring various varibales and setting their starting values
lamondt 0:fe9e5099378a 35 bool BackDoorStatus = 0;
lamondt 0:fe9e5099378a 36 bool ResetButtonStatus = 0;
lamondt 0:fe9e5099378a 37
lamondt 0:fe9e5099378a 38
lamondt 0:fe9e5099378a 39 void Flash() // Declare function called flash
lamondt 0:fe9e5099378a 40 {
lamondt 0:fe9e5099378a 41 IndoorStrobe=!IndoorStrobe; // Alternate the indoor strobe state
lamondt 0:fe9e5099378a 42 }
lamondt 0:fe9e5099378a 43
lamondt 0:fe9e5099378a 44 void ISR_BackDoorPIR() // Interrupt service routine (ISR) to
lamondt 0:fe9e5099378a 45 { // run when back door PIR is activated
lamondt 0:fe9e5099378a 46 BackDoorStatus = 1; // ISR creates and sets variable to logic 1
lamondt 0:fe9e5099378a 47 }
lamondt 0:fe9e5099378a 48
lamondt 0:fe9e5099378a 49 void ISR_FrontDoorPIR() // ISR to run when front door PIR is activated
lamondt 0:fe9e5099378a 50 {
lamondt 0:fe9e5099378a 51 FrontDoorStatus = 1; // ISR creates and sets variable to logic 1
lamondt 0:fe9e5099378a 52 }
lamondt 0:fe9e5099378a 53
lamondt 0:fe9e5099378a 54 void ISR_Reset() // ISR to run when reset button is activated
lamondt 0:fe9e5099378a 55 {
lamondt 0:fe9e5099378a 56 ResetButtonStatus = 1; // ISR creates and sets variable to logic 1
lamondt 0:fe9e5099378a 57 }
lamondt 0:fe9e5099378a 58
lamondt 0:fe9e5099378a 59 void ISR_Data (void) // ISR to run when data transfer is required
lamondt 0:fe9e5099378a 60 {
lamondt 0:fe9e5099378a 61 StartProcessing = 1; // ISR creates and sets variable to logic 1
lamondt 0:fe9e5099378a 62 }
lamondt 0:fe9e5099378a 63
lamondt 0:fe9e5099378a 64
lamondt 0:fe9e5099378a 65
lamondt 0:fe9e5099378a 66 int main()
lamondt 0:fe9e5099378a 67 {
lamondt 0:fe9e5099378a 68 RedLed = BlueLed = GreenLed = 1; // Using inverse logic on RBG LED sets to off
lamondt 0:fe9e5099378a 69 lcd.cls ();
lamondt 0:fe9e5099378a 70 lcd.locate (0,0); // Print text
lamondt 0:fe9e5099378a 71 lcd.printf("Starting");
lamondt 0:fe9e5099378a 72
lamondt 0:fe9e5099378a 73 int ConnectionStatus = 0; // Creating variable to hold connection status values when returned
lamondt 0:fe9e5099378a 74
lamondt 0:fe9e5099378a 75 EthernetInterface myEthernetInterface; // Creating objects from the ethernet and TCP classes
lamondt 0:fe9e5099378a 76 TCPSocketConnection myTCPSocketConnection;
lamondt 0:fe9e5099378a 77
lamondt 0:fe9e5099378a 78 ConnectionStatus = myEthernetInterface.init(); // Initialise the interface and stores return value in ConnectionStatus
lamondt 0:fe9e5099378a 79 ConnectionStatus = myEthernetInterface.connect(10000); // Bring up the interface and store return value in ConnectionStatus
lamondt 0:fe9e5099378a 80
lamondt 0:fe9e5099378a 81 lcd.cls ();
lamondt 0:fe9e5099378a 82 lcd.locate (0,10);
lamondt 0:fe9e5099378a 83
lamondt 0:fe9e5099378a 84 if (ConnectionStatus == Failure){
lamondt 0:fe9e5099378a 85 lcd.printf("Connection Error"); // Displaying the connection status of the ethernetInterface
lamondt 0:fe9e5099378a 86 wait(2); // if a failure value is returned for the ".init" or ".connect" functions
lamondt 0:fe9e5099378a 87 } // then connecton error is displayed on the LCD else Connected is displayed.
lamondt 0:fe9e5099378a 88 else {
lamondt 0:fe9e5099378a 89 lcd.printf("Connected"); // If Connection is successful connected is displayed
lamondt 0:fe9e5099378a 90 wait(2); // Wait to make message visible to user
lamondt 0:fe9e5099378a 91 }
lamondt 0:fe9e5099378a 92
lamondt 0:fe9e5099378a 93 int TramissionStatus; // Variable created to store socket connection status
lamondt 0:fe9e5099378a 94
lamondt 0:fe9e5099378a 95 const char* GroupName = "Group 7";
lamondt 0:fe9e5099378a 96 const char* ClientIPAddress = myEthernetInterface.getIPAddress (); // Data required for trasnsmission is defined
lamondt 0:fe9e5099378a 97 const char* ClientMacAddress = myEthernetInterface.getMACAddress ();
lamondt 0:fe9e5099378a 98 const char* ServerIPAddress = "192.168.0.21";
lamondt 0:fe9e5099378a 99 const int PortNumber = 29;
lamondt 0:fe9e5099378a 100
lamondt 0:fe9e5099378a 101
lamondt 0:fe9e5099378a 102 TramissionStatus = myTCPSocketConnection.connect (ServerIPAddress,PortNumber); // Connect the TCP socket to the server and store result in variable
lamondt 0:fe9e5099378a 103 lcd.locate (0,10);
lamondt 0:fe9e5099378a 104 lcd.printf("Transmission: %d",TramissionStatus); // Result of socket conection printed to LCD
lamondt 0:fe9e5099378a 105
lamondt 0:fe9e5099378a 106 if (TramissionStatus == Success) // Green LED activated if connection is successful
lamondt 0:fe9e5099378a 107 {
lamondt 0:fe9e5099378a 108 GreenLed = On;
lamondt 0:fe9e5099378a 109 }
lamondt 0:fe9e5099378a 110
lamondt 0:fe9e5099378a 111 Button.rise (&ISR_Data); // Interrupt for data transfe to server
lamondt 0:fe9e5099378a 112 Button.enable_irq ();
lamondt 0:fe9e5099378a 113 FrontDoorPIR.rise(&ISR_FrontDoorPIR); // Interrupt for Front Door PIR detection on the rise of the signal and calls the ISR
lamondt 0:fe9e5099378a 114 BackDoorPIR.rise(&ISR_BackDoorPIR); // Interrupt for Back Door PIR detection on the rise of the signal and calls the ISR
lamondt 0:fe9e5099378a 115 Reset.rise(&ISR_Reset); // Interrupt for Reset button activation on the rise of the signal and calls the ISR
lamondt 0:fe9e5099378a 116
lamondt 0:fe9e5099378a 117
lamondt 0:fe9e5099378a 118 while(1)
lamondt 0:fe9e5099378a 119 {
lamondt 0:fe9e5099378a 120 if (Setup == 1) // Statement activated only on start up or reset
lamondt 0:fe9e5099378a 121 {
lamondt 0:fe9e5099378a 122 IndoorStrobe = 0;
lamondt 0:fe9e5099378a 123 SecurityLightFront = 0; // Set lights initial state to off
lamondt 0:fe9e5099378a 124 SecurityLightBack = 0;
lamondt 0:fe9e5099378a 125 lcd.cls(); // Clear LCD
lamondt 0:fe9e5099378a 126 lcd.locate(0,0); // Set text position
lamondt 0:fe9e5099378a 127 lcd.printf ("System Active"); // Print text to LCD
lamondt 0:fe9e5099378a 128 Setup = 0; // Clear Setup variable so statement does not run again
lamondt 0:fe9e5099378a 129 goto Start; // Exits the if statement
lamondt 0:fe9e5099378a 130 }
lamondt 0:fe9e5099378a 131
lamondt 0:fe9e5099378a 132 Start:
lamondt 0:fe9e5099378a 133
lamondt 0:fe9e5099378a 134 if (FrontDoorStatus ==1) // If statement acitvated by Front Door PIR activation
lamondt 0:fe9e5099378a 135 {
lamondt 0:fe9e5099378a 136 FrontDoorCounter ++; // Incease counter value by 1 to keep record of total activations
lamondt 0:fe9e5099378a 137 lcd.locate (0,0);
lamondt 0:fe9e5099378a 138 lcd.printf(" "); // Clear the the screen except for the status of the other PIR activation
lamondt 0:fe9e5099378a 139 lcd.locate (0,20);
lamondt 0:fe9e5099378a 140 lcd.printf(" ");
lamondt 0:fe9e5099378a 141 lcd.locate(0,20); // Set text position
lamondt 0:fe9e5099378a 142 lcd.printf("Intruder at front door!!"); // Print text to LCD
lamondt 0:fe9e5099378a 143 StrobeRoutine.attach(&Flash,1); // Attach the StrobeRoutine object to the flash function to flash the LED at a set frequency
lamondt 0:fe9e5099378a 144 SecurityLightBack = 1; // Turn on security light
lamondt 0:fe9e5099378a 145 SecurityLightFront = 1; // Turn on security light
lamondt 0:fe9e5099378a 146 FrontDoorStatus = 0; // Reset variable so the if statement doesnt run repeatedly
lamondt 0:fe9e5099378a 147 }
lamondt 0:fe9e5099378a 148
lamondt 0:fe9e5099378a 149 if (BackDoorStatus == 1) // If statement acitvated by Front Door PIR activation
lamondt 0:fe9e5099378a 150 {
lamondt 0:fe9e5099378a 151 BackDoorCounter ++; // Incease counter value by 1 to keep record of total activations
lamondt 0:fe9e5099378a 152 lcd.locate (0,0);
lamondt 0:fe9e5099378a 153 lcd.printf(" "); // Clear the the screen except for the status of the other PIR activation
lamondt 0:fe9e5099378a 154 lcd.locate(0,10);
lamondt 0:fe9e5099378a 155 lcd.printf(" ");
lamondt 0:fe9e5099378a 156 lcd.locate(0,10); // Set text position
lamondt 0:fe9e5099378a 157 lcd.printf("Intruder at Back door!! "); // Print text to LCD
lamondt 0:fe9e5099378a 158 StrobeRoutine.attach(&Flash,1); // Attach the stroberoutine object to the flash function to flash the LED at a set frequency
lamondt 0:fe9e5099378a 159 SecurityLightBack = 1; // Turn on security light
lamondt 0:fe9e5099378a 160 SecurityLightFront = 1; // Turn on security light
lamondt 0:fe9e5099378a 161 BackDoorStatus = 0;
lamondt 0:fe9e5099378a 162 }
lamondt 0:fe9e5099378a 163
lamondt 0:fe9e5099378a 164 if (ResetButtonStatus ==1)
lamondt 0:fe9e5099378a 165 {
lamondt 0:fe9e5099378a 166 StrobeRoutine.detach(); // Turn off the indoor StrobeRoutine
lamondt 0:fe9e5099378a 167 IndoorStrobe = 0; // Set the Indoor LED to off(Inverse logic)
lamondt 0:fe9e5099378a 168 SecurityLightBack = 0; // Set the Outdoor security lights to off
lamondt 0:fe9e5099378a 169 SecurityLightFront = 0; // Set the Outdoor security lights to off
lamondt 0:fe9e5099378a 170 lcd.cls(); // Clear LCD display
lamondt 0:fe9e5099378a 171 lcd.locate(0,0); // Set text position
lamondt 0:fe9e5099378a 172 lcd.printf("System Reset"); // Print text to LCD
lamondt 0:fe9e5099378a 173 wait (3); // Wait to allow system stability
lamondt 0:fe9e5099378a 174 ResetButtonStatus = 0;
lamondt 0:fe9e5099378a 175 Setup = 1; // Run the setup function and return system to active status
lamondt 0:fe9e5099378a 176
lamondt 0:fe9e5099378a 177 }
lamondt 0:fe9e5099378a 178
lamondt 0:fe9e5099378a 179 if (StartProcessing)
lamondt 0:fe9e5099378a 180 {
lamondt 0:fe9e5099378a 181 BlueLed = On;
lamondt 0:fe9e5099378a 182 wait (0.5);
lamondt 0:fe9e5099378a 183 char *ReceiveBuffer = new char [256];
lamondt 0:fe9e5099378a 184 char *SendBuffer = new char [256];
lamondt 0:fe9e5099378a 185 int FD = FrontDoorCounter;
lamondt 0:fe9e5099378a 186 int BD = BackDoorCounter; // variables declared including type and size
lamondt 0:fe9e5099378a 187 int WrittenByteCount = 0;
lamondt 0:fe9e5099378a 188 int ReadByteCount = 0;
lamondt 0:fe9e5099378a 189 char ResultBuffer [10];
lamondt 0:fe9e5099378a 190 char *Information = new char [100];
lamondt 0:fe9e5099378a 191
lamondt 0:fe9e5099378a 192 strcat (Information, "Front Door: ");
lamondt 0:fe9e5099378a 193 sprintf(ResultBuffer, "%d ", FD);
lamondt 0:fe9e5099378a 194 strcat (Information, ResultBuffer); // Values to be sent to the database are converted to string format
lamondt 0:fe9e5099378a 195 strcat (Information, "Back Door: ");
lamondt 0:fe9e5099378a 196 sprintf(ResultBuffer, "%d", BD);
lamondt 0:fe9e5099378a 197 strcat (Information, ResultBuffer);
lamondt 0:fe9e5099378a 198
lamondt 0:fe9e5099378a 199 strcat (SendBuffer, GroupName);
lamondt 0:fe9e5099378a 200 strcat (SendBuffer, "|");
lamondt 0:fe9e5099378a 201 strcat (SendBuffer, ClientMacAddress);
lamondt 0:fe9e5099378a 202 strcat (SendBuffer, "|"); // Format and sequence of information to be sent
lamondt 0:fe9e5099378a 203 strcat (SendBuffer, ClientIPAddress);
lamondt 0:fe9e5099378a 204 strcat (SendBuffer, "|");
lamondt 0:fe9e5099378a 205 strcat (SendBuffer, Information);
lamondt 0:fe9e5099378a 206 strcat (SendBuffer, "\r\n");
lamondt 0:fe9e5099378a 207
lamondt 0:fe9e5099378a 208 debug (SendBuffer);
lamondt 0:fe9e5099378a 209
lamondt 0:fe9e5099378a 210 WrittenByteCount = myTCPSocketConnection.send_all (SendBuffer, strlen (SendBuffer)); // Send data
lamondt 0:fe9e5099378a 211
lamondt 0:fe9e5099378a 212 lcd.cls();
lamondt 0:fe9e5099378a 213 lcd.locate (10,10); // Print byte value of data sent to LCD
lamondt 0:fe9e5099378a 214 lcd.printf("Write: %d",WrittenByteCount);
lamondt 0:fe9e5099378a 215
lamondt 0:fe9e5099378a 216 if (WrittenByteCount == Failure)
lamondt 0:fe9e5099378a 217 { // LED to red if data sending failure
lamondt 0:fe9e5099378a 218 RedLed = On; // doesnt reset StartProcessing so the loop repeats.
lamondt 0:fe9e5099378a 219 } // ie it attempts to transfer the data again
lamondt 0:fe9e5099378a 220
lamondt 0:fe9e5099378a 221 else
lamondt 0:fe9e5099378a 222 {
lamondt 0:fe9e5099378a 223 ReadByteCount = myTCPSocketConnection.receive_all (ReceiveBuffer, strlen (ReceiveBuffer));
lamondt 0:fe9e5099378a 224
lamondt 0:fe9e5099378a 225 lcd.locate (20,0);
lamondt 0:fe9e5099378a 226 lcd.printf("Read: %d",ReadByteCount); // Print the read return byte value from the server
lamondt 0:fe9e5099378a 227 if (ReadByteCount == Failure)
lamondt 0:fe9e5099378a 228 {
lamondt 0:fe9e5099378a 229 RedLed = On;
lamondt 0:fe9e5099378a 230 }
lamondt 0:fe9e5099378a 231 else
lamondt 0:fe9e5099378a 232 {
lamondt 0:fe9e5099378a 233 StartProcessing = false; // If data transfer is successful reset variable to false
lamondt 0:fe9e5099378a 234 } // so data isnt sent again
lamondt 0:fe9e5099378a 235 }
lamondt 0:fe9e5099378a 236 BlueLed = Off;
lamondt 0:fe9e5099378a 237
lamondt 0:fe9e5099378a 238 delete[] ReceiveBuffer;
lamondt 0:fe9e5099378a 239 delete[] SendBuffer;
lamondt 0:fe9e5099378a 240 wait(2);
lamondt 0:fe9e5099378a 241 lcd.cls();
lamondt 0:fe9e5099378a 242 lcd.locate(0,0);
lamondt 0:fe9e5099378a 243 lcd.printf ("System Active"); // Print text to LCD
lamondt 0:fe9e5099378a 244 } // End of If (StartProcessing)
lamondt 0:fe9e5099378a 245 } // End of While
lamondt 0:fe9e5099378a 246 } // End of Main
lamondt 0:fe9e5099378a 247