Diff: main.cpp

Revision:

9:c216d7b63f92

Parent:

8:39172c01c0f1

diff -r 39172c01c0f1 -r c216d7b63f92 main.cpp
--- a/main.cpp	Tue Mar 15 19:36:01 2016 +0000
+++ b/main.cpp	Sat Apr 30 19:47:54 2016 +0000
@@ -2,16 +2,23 @@
 #include <mpr121.h>
 #include <string>
 #include "Shiftbrite.h"
+#include "Servo.h"
+#include "Motor.h"
+
 //Print output to pc via usb
 RawSerial  pc(USBTX, USBRX);
 //Print output to Bluetooth device
-RawSerial  dev(p9,p10);
+RawSerial  dev(p13,p14);
+Serial esp(p9, p10); // tx, rx
 //LEDs
 DigitalOut led1(LED1);
 DigitalOut led2(LED2);
 DigitalOut led3(LED3);
 DigitalOut led4(LED4);
-
+Motor doorPulley(p22, p5, p6); // pwm, fwd, rev
+Motor mailFeed(p21, p11, p12); // pwm, fwd, rev
+Servo lock(p24);
+AnalogIn   ds(p16);
 //Interrupt for Touchpad
 InterruptIn interrupt(p26);
 //I2C for Touchpad 
@@ -19,7 +26,6 @@
 //Touchpad 
 Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
 //Shiftbrite
-Shiftbrite myShiftbrite(p16, p15, p11, p12, p13);
 
 //Code Combinations
 int code1[] = {1,1,1,1};
@@ -30,6 +36,44 @@
 volatile int inNdx = 0;//to place combination in input
 bool codeIn = false; //determine if code is being entered via bluetooth
 
+//Webserver variables
+char gotMail[10];
+char audio1[255];
+
+// things for sending/receiving data over serial
+volatile int tx_in=0;
+volatile int tx_out=0;
+volatile int rx_in=0;
+volatile int rx_out=0;
+const int buffer_size = 4095;
+char tx_buffer[buffer_size+1];
+char rx_buffer[buffer_size+1];
+void Tx_interrupt();
+void Rx_interrupt();
+void send_line();
+void read_line();
+int DataRX;
+int update;
+int count;
+char cmdbuff[1024];
+char replybuff[4096];
+char webdata[4096]; // This may need to be bigger depending on WEB browser used
+char webbuff[4096];     // Currently using 1986 characters, Increase this if more web page data added
+char timebuf[30];
+void SendCMD(),getreply(),ReadWebData(),startserver();
+void gettime(),setRTC(), getDS();
+char rx_line[1024];
+int port        =80;  // set server port
+int SERVtimeout =5;    // set server timeout in seconds in case link breaks.
+struct tm t;
+float DSin = 0.0;
+// manual set RTC values
+int minute      =00;    // 0-59
+int hour        =12;    // 2-23
+int dayofmonth  =26;    // 1-31
+int month       =8;     // 1-12
+int year        =15;    // last 2 digits
+
 
 //Interrupt method to read from touchpad
 void fallInterrupt() {
@@ -92,10 +136,22 @@
 
 int main()
 {
+    lock = 0.3;
     //reset Shiftbrite
-    myShiftbrite.write(0,0,0);
     pc.baud(9600);
     dev.baud(9600);
+    esp.baud(9600);
+    led1=1,led2=0,led3=0,led4=0;
+    // Setup a serial interrupt function to receive data
+    esp.attach(&Rx_interrupt, Serial::RxIrq);
+    // Setup a serial interrupt function to transmit data
+    esp.attach(&Tx_interrupt, Serial::TxIrq);
+    if (time(NULL) < 1420070400) {
+        setRTC();
+    }
+    startserver();
+    DataRX=0;
+    count=0;
     //Set up interrupt
     interrupt.fall(&fallInterrupt);
     interrupt.mode(PullUp);
@@ -107,8 +163,35 @@
     dev.printf("To unlock the device remotely, send 'a'.\n");
 
     while(1) {
-         wait(5);
-        //If three characters have been entered, attempt to unlock
+         if(DataRX==1) {
+            ReadWebData();
+            esp.attach(&Rx_interrupt, Serial::RxIrq);
+        }
+        if(update==1) // update time, hit count, and analog levels in the HUZZAH chip
+        {
+            // get new values
+            gettime();
+            getDS();
+            count++;
+            // send new values
+            pc.printf("\n\n\n\n%f\r\n\n\n\n", DSin );
+            if (DSin <= 0.5) {
+                strcpy(gotMail, "yes");
+                strcpy(audio1, "http://192.168.43.91/img/youGotmail.mp3");
+                sprintf(cmdbuff, "count,time,yesorno, audio1=%d,\"%s\",\"%s\",\"%s\"\r\n",count,timebuf,gotMail, audio1);
+                SendCMD();
+                getreply();
+               // continue;
+            } else {
+                strcpy(gotMail, "no");
+                strcpy(audio1, "#");
+            }
+            sprintf(cmdbuff, "count,time,yesorno,audio1=%d,\"%s\",\"%s\",\"%s\"\r\n",count,timebuf,gotMail, audio1);
+            SendCMD();
+            getreply();
+            update=0;   
+        }
+        //If four characters have been entered, attempt to unlock
         if (inNdx > 3) {
             dev.printf("Attempting to Unlock\n");
             codeIn = false;
@@ -129,19 +212,59 @@
             if(c1){
                 //Send welcome user 1 to bluetooth
                 dev.printf("Welcome User 1\n");
-                myShiftbrite.write(0,255,0);
+                lock = 1.0;
+                wait(1.0);
+                doorPulley.speed(-0.8);
+                wait(2.0);
+                doorPulley.speed(0.0);
+                wait(.3);
+                mailFeed.speed(-0.8);
+                wait(2);
+                mailFeed.speed(0.0);
+                doorPulley.speed(0.3);
+                wait(1.0);
+                doorPulley.speed(0.0);
             } else if(c2) {
                 //Send welcome user 2 to bluetooth
                 dev.printf("Welcome User 2\n");
-                myShiftbrite.write(0,255,0);
+                lock = 1.0;
+                wait(1.0);
+                doorPulley.speed(-0.8);
+                wait(2.0);
+                doorPulley.speed(0.0);
+                wait(.3);
+                mailFeed.speed(-0.8);
+                wait(2);
+                mailFeed.speed(0.0);
+                doorPulley.speed(0.3);
+                wait(1.0);
+                doorPulley.speed(0.0);
+                doorPulley.speed(.3);
+                wait(.8);
+                doorPulley.speed(0.0);
+                
+
             } else if(c3) {
                 //Send welcome user 3 to bluetooth
                 dev.printf("Welcome User 3\n");
-                myShiftbrite.write(0,255,0);
+                lock = 1.0;
+                wait(1.0);
+                doorPulley.speed(-0.8);
+                wait(2.0);
+                doorPulley.speed(0.0);
+                wait(.3);
+                mailFeed.speed(-0.8);
+                wait(2);
+                mailFeed.speed(0.0);
+                doorPulley.speed(0.3);
+                wait(1.0);
+                doorPulley.speed(0.0);
+
             } else {
                 //Send welcome Try Again message to bluetooth
                 dev.printf("Try Again\n");
-                myShiftbrite.write(255,0,0); 
+                lock = 0.3;
+
  
             }
             //reset indexing variable when checking is complete
@@ -151,3 +274,310 @@
     }
     
 }
+// Reads and processes GET and POST web data
+void ReadWebData()
+{
+    wait_ms(200);
+    esp.attach(NULL,Serial::RxIrq);
+    DataRX=0;
+    memset(webdata, '\0', sizeof(webdata));
+    strcpy(webdata, rx_buffer);
+    memset(rx_buffer, '\0', sizeof(rx_buffer));
+    rx_in = 0;
+    rx_out = 0;
+    // check web data for form information
+    if( strstr(webdata, "check=led1v") != NULL ) {
+        led1=!led1;
+        DSin = 0;
+    }
+    if( strstr(webdata, "check=led2v") != NULL ) {
+        led2=!led2;
+    }
+    if( strstr(webdata, "check=led3v") != NULL ) {
+        led3=!led3;
+    }
+    if( strstr(webdata, "check=led4v") != NULL ) {
+        led4=!led4;
+    }
+    if( strstr(webdata, "POST") != NULL ) { // set update flag if POST request
+        update=1;
+    }
+    if( strstr(webdata, "GET") != NULL && strstr(webdata, "favicon.ico") == NULL ) { // set update flag for GET request but do not want to update for favicon requests
+        update=1;
+    }
+}
+// Starts webserver
+void startserver()
+{
+    gettime();
+    strcpy(audio1, "#");
+    pc.printf("++++++++++ Resetting ESP ++++++++++\r\n");
+    strcpy(cmdbuff,"node.restart()\r\n");
+    SendCMD();
+    wait(2);
+    getreply();
+    
+    pc.printf("\n++++++++++ Starting Server ++++++++++\r\n> ");
+
+    // initial values
+    sprintf(cmdbuff, "count,time,yesorno,audio1=0,\"%s\",\"%s\",\"%s\"\r\n",timebuf,gotMail, audio1);
+    SendCMD();
+    getreply();
+    wait(0.5);
+
+    //create server
+    sprintf(cmdbuff, "srv=net.createServer(net.TCP,%d)\r\n",SERVtimeout);
+    SendCMD();
+    getreply();
+    wait(0.5);
+    strcpy(cmdbuff,"srv:listen(80,function(conn)\r\n");
+    SendCMD();
+    getreply();
+    wait(0.3);
+        strcpy(cmdbuff,"conn:on(\"receive\",function(conn,payload) \r\n");
+        SendCMD();
+        getreply();
+        wait(0.3);
+        
+        //print data to mbed
+        strcpy(cmdbuff,"print(payload)\r\n");
+        SendCMD();
+        getreply();
+        wait(0.2);
+       
+        //web page data
+        strcpy(cmdbuff,"conn:send('<!DOCTYPE html><html><style> h1 {background: #00000;} </style>')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.4);
+        strcpy(cmdbuff, "conn:send('<body><h1>Huzzah Mail Receive Notification Center</h1>')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.4);
+        strcpy(cmdbuff,"conn:send('Hit count: '..count..'')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.2);
+        strcpy(cmdbuff,"conn:send('<br>Last hit (based on mbed RTC time): '..time..'<br><hr>')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.4);
+        strcpy(cmdbuff,"conn:send('<h2>Do you have mail?: '..yesorno..' </h2>')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.3);
+        strcpy(cmdbuff, "conn:send('<audio autoplay src= '..audio1..' ></audio><hr>')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.4);
+
+
+
+        strcpy(cmdbuff,"conn:send('<form name=\"form1\" method=\"POST\"')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.3);
+        strcpy(cmdbuff, "conn:send('<p><input type=\"checkbox\" name=\"check\" value=\"led1v\"> Unlock mailbox?')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.3);
+        strcpy(cmdbuff, "conn:send('<p><input type=\"checkbox\" name=\"check\" value=\"led2v\"> flip LED2')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.3);
+        strcpy(cmdbuff, "conn:send('<p><input type=\"checkbox\" name=\"check\" value=\"led3v\"> flip LED3')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.3);
+        strcpy(cmdbuff, "conn:send('<p><input type=\"checkbox\" name=\"check\" value=\"led4v\"> flip LED4')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.3);
+        strcpy(cmdbuff,"conn:send('<p><input type=\"submit\" value=\"Check Mail\"></form>')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.3);
+        strcpy(cmdbuff, "conn:send('<script type=\"text/javascript\"> window.onload=function(){window.setTimeout(\"document.form1.submit();\", 5000);}</script>')\r\n");
+        SendCMD();
+        wait(0.4);
+        strcpy(cmdbuff, "conn:send('<p><h2>How to use:</h2><ul><li>Data will automatically update every 5 seconds</li><li>Click Check Mail to manually send data and refresh values</li></ul></body></html>')\r\n");
+        SendCMD();
+        getreply();
+        wait(0.5); 
+        // end web page data
+        strcpy(cmdbuff, "conn:on(\"sent\",function(conn) conn:close() end)\r\n"); // close current connection
+        SendCMD();
+        getreply();
+        wait(0.3);
+        strcpy(cmdbuff, "end)\r\n");
+        SendCMD();
+        getreply();
+        wait(0.2);
+    strcpy(cmdbuff, "end)\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+
+    strcpy(cmdbuff, "tmr.alarm(0, 1000, 1, function()\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    strcpy(cmdbuff, "if wifi.sta.getip() == nil then\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    strcpy(cmdbuff, "print(\"Connecting to AP...\\n\")\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    strcpy(cmdbuff, "else\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    strcpy(cmdbuff, "ip, nm, gw=wifi.sta.getip()\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    strcpy(cmdbuff,"print(\"IP Address: \",ip)\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    strcpy(cmdbuff,"tmr.stop(0)\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    strcpy(cmdbuff,"end\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    strcpy(cmdbuff,"end)\r\n");
+    SendCMD();
+    getreply();
+    wait(0.2);
+    
+    pc.printf("\n\n++++++++++ Ready ++++++++++\r\n\n");
+}
+
+
+// ESP Command data send
+void SendCMD()
+{
+    int i;
+    char temp_char;
+    bool empty;
+    i = 0;
+// Start Critical Section - don't interrupt while changing global buffer variables
+    NVIC_DisableIRQ(UART1_IRQn);
+    empty = (tx_in == tx_out);
+    while ((i==0) || (cmdbuff[i-1] != '\n')) {
+// Wait if buffer full
+        if (((tx_in + 1) % buffer_size) == tx_out) {
+// End Critical Section - need to let interrupt routine empty buffer by sending
+            NVIC_EnableIRQ(UART1_IRQn);
+            while (((tx_in + 1) % buffer_size) == tx_out) {
+            }
+// Start Critical Section - don't interrupt while changing global buffer variables
+            NVIC_DisableIRQ(UART1_IRQn);
+        }
+        tx_buffer[tx_in] = cmdbuff[i];
+        i++;
+        tx_in = (tx_in + 1) % buffer_size;
+    }
+    if (esp.writeable() && (empty)) {
+        temp_char = tx_buffer[tx_out];
+        tx_out = (tx_out + 1) % buffer_size;
+// Send first character to start tx interrupts, if stopped
+        esp.putc(temp_char);
+    }
+// End Critical Section
+    NVIC_EnableIRQ(UART1_IRQn);
+    return;
+}
+
+// Get Command and ESP status replies
+void getreply()
+{
+    read_line();
+    sscanf(rx_line,replybuff);
+}
+ 
+// Read a line from the large rx buffer from rx interrupt routine
+void read_line() {
+    int i;
+    i = 0;
+// Start Critical Section - don't interrupt while changing global buffer variables
+    NVIC_DisableIRQ(UART1_IRQn);
+// Loop reading rx buffer characters until end of line character
+    while ((i==0) || (rx_line[i-1] != '\r')) {
+// Wait if buffer empty
+        if (rx_in == rx_out) {
+// End Critical Section - need to allow rx interrupt to get new characters for buffer
+            NVIC_EnableIRQ(UART1_IRQn);
+            while (rx_in == rx_out) {
+            }
+// Start Critical Section - don't interrupt while changing global buffer variables
+            NVIC_DisableIRQ(UART1_IRQn);
+        }
+        rx_line[i] = rx_buffer[rx_out];
+        i++;
+        rx_out = (rx_out + 1) % buffer_size;
+    }
+// End Critical Section
+    NVIC_EnableIRQ(UART1_IRQn);
+    rx_line[i-1] = 0;
+    return;
+}
+ 
+ 
+// Interupt Routine to read in data from serial port
+void Rx_interrupt() {
+    DataRX=1;
+    //getDS();
+    //led3=1;
+// Loop just in case more than one character is in UART's receive FIFO buffer
+// Stop if buffer full
+    while ((esp.readable()) && (((rx_in + 1) % buffer_size) != rx_out)) {
+        rx_buffer[rx_in] = esp.getc();
+// Uncomment to Echo to USB serial to watch data flow
+        pc.putc(rx_buffer[rx_in]);
+        rx_in = (rx_in + 1) % buffer_size;
+    }
+    //led3=0;
+    return;
+}
+ 
+ 
+// Interupt Routine to write out data to serial port
+void Tx_interrupt() {
+    //led2=1;
+// Loop to fill more than one character in UART's transmit FIFO buffer
+// Stop if buffer empty
+    while ((esp.writeable()) && (tx_in != tx_out)) {
+        esp.putc(tx_buffer[tx_out]);
+        tx_out = (tx_out + 1) % buffer_size;
+    }
+    //led2=0;
+    return;
+}
+
+void gettime()
+{
+    time_t seconds = time(NULL);
+    strftime(timebuf,50,"%H:%M:%S %a %d %b %y", localtime(&seconds));
+}
+
+void setRTC()
+{
+    t.tm_sec = (0);             // 0-59
+    t.tm_min = (minute);        // 0-59
+    t.tm_hour = (hour);         // 0-23
+    t.tm_mday = (dayofmonth);   // 1-31
+    t.tm_mon = (month-1);       // 0-11  "0" = Jan, -1 added for Mbed RCT clock format
+    t.tm_year = ((year)+100);   // year since 1900,  current DCF year + 100 + 1900 = correct year
+    set_time(mktime(&t));       // set RTC clock
+}
+
+void getDS()
+{
+    DSin = ds.read();
+}
\ No newline at end of file