Manan Mittal / Mbed 2 deprecated BaseStation

Basestation code for portable breathalyzer

Dependencies:   GP-20U7 PinDetect Servo mbed nRF24L01P

Fork of GP20U7_HelloWorld by Wesley Schon

Files at this revision

API Documentation at this revision

Revision 6:97dfabad83aa, committed 2016-12-05

Comitter:
mmittal8
Date:
Mon Dec 05 16:35:26 2016 +0000
Parent:
5:a5b817198f1a
Commit message:
Basestation for Breathalyzer

Changed in this revision

PinDetect.lib Show annotated file Show diff for this revision Revisions of this file
Servo.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
nRF24L01P.lib Show annotated file Show diff for this revision Revisions of this file 
diff -r a5b817198f1a -r 97dfabad83aa PinDetect.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PinDetect.lib	Mon Dec 05 16:35:26 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/AjK/code/PinDetect/#cb3afc45028b

diff -r a5b817198f1a -r 97dfabad83aa Servo.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Servo.lib	Mon Dec 05 16:35:26 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/Servo/#36b69a7ced07

diff -r a5b817198f1a -r 97dfabad83aa main.cpp
--- a/main.cpp	Thu Mar 17 19:33:05 2016 +0000
+++ b/main.cpp	Mon Dec 05 16:35:26 2016 +0000
@@ -1,45 +1,201 @@
 #include "mbed.h"
 #include "GPS.h"
+#include "Servo.h"
+#include "PinDetect.h"
+#include "nRF24L01P.h"
+
+nRF24L01P myTransceiver(p5, p6, p7, p8, p9, p10);    // mosi, miso, sck, csn, ce, irq
 
 Serial pc(USBTX, USBRX);
 GPS gps(p13, p14);
+PinDetect pb1(p19);
+PinDetect pb2(p20);
+Servo servo(p21);
+
+Serial esp(p28, p27); // tx, rx
+DigitalOut reset(p26);
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+Timer t;
+
+bool drunk = true;
+
+int  count,ended,timeout,killSwitch = 0,Sig = 0;
+char buf[2024];
+char snd[1024];
+ 
+char ssid[32] = "AndroidAP";     // enter WiFi router ssid inside the quotes
+char pwd [32] = "ece4180a"; // enter WiFi router password inside the quotes
+
+void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate(),ESPServerSetup();
+
+void signal(void){
+    Sig = 1;
+}
+
+void kill_switch(void){
+    if (killSwitch == 0){
+        killSwitch = 1;
+    }
+}
 
 int main() {
-    //pc.printf("start main\r\n");
-    while(1) {
-        //wait(0.1);
-        //pc.printf("\nHello world\n\r");
-        //printf ("\n\r the value of GPS sample is : %d\n\r", gps.sample());
-        if(gps.sample()) {
-            //pc.printf("\r\nsampled\r\n");
-            pc.printf("Longitude: %f degrees %c\n\rLatitude: %f degrees %c\n\rAltitude: %f meters \n\rUTC time: %f\n\r", gps.longitude, gps.ns, gps.latitude, gps.ew, gps.alt, gps.time);
-            //pc.printf("good\r\n");
-        } else {
-            pc.printf("Oh Dear! No lock :(\n\r");
-            //pc.printf("bad\r\n");
+    pb1.mode(PullUp);
+    pb2.mode(PullUp);
+    
+    reset=0; //hardware reset for 8266
+    pc.baud(9600);
+    wait(0.5);
+    reset=1;
+    
+    esp.baud(9600);
+    
+    pb1.attach_deasserted(&kill_switch);
+    pb1.setSampleFrequency();
+    
+    pb2.attach_deasserted(&signal);
+    pb2.setSampleFrequency();
+    
+    led1 = 0;
+    led2 = 0;
+    servo = 0;
+    while (1){
+        if (killSwitch == 1){
+            led2 = 1;
+            led1 = 1;
+            servo = 1.0;
+            ESPconfig();
+            killSwitch = 2;
+            led1 = 0;
         }
+        if (Sig){
+            if(drunk){
+                servo = 1.0;
+                led3 = 1;
+                //wait(120);
+                if (drunk)
+                    ESPServerSetup();
+            }
+            else{
+                servo = 0;
+                led2 = 0;
+            }
+            killSwitch = 0;
+            Sig = 0;
+        }
+        sleep();
     }
 }
 
+void ESPsetbaudrate()
+{
+    strcpy(snd, "AT+CIOBAUD=115200\r\n");   // change the numeric value to the required baudrate
+    SendCMD();
+}
 
-/*
-$GPRMC,000115.039,V,,,,,,,291006,,*2C
-$GPGGA,000116.031,,,,,0,00,,,M,0.0,M,,0000*52
-$GPGSA,A,1,,,,,,,,,,,,,,,*1E
-$GPGSV,3,1,12,20,00,000,,10,00,000,,31,00,000,,27,00,000,*7C
-$GPGSV,3,2,12,19,00,000,,07,00,000,,04,00,000,,24,00,000,*76
-$GPGSV,3,3,12,16,00,000,,28,00,000,,26,00,000,,29,00,000,*78
-$GPRMC,000116.031,V,,,,,,,291006,,*27
-$GPGGA,000117.035,,,,,0,00,,,M,0.0,M,,0000*57
-$GPGSA,A,1,,,,,,,,,,,,,,,*1E
-$GPRMC,000117.035,V,,,,,,,291006,,*22
-$GPGGA,000118.039,,,,,0,00,,,M,0.0,M,,0000*54
-$GPGSA,A,1,,,,,,,,,,,,,,,*1E
-$GPRMC,000118.039,V,,,,,,,291006,,*21
-$GPGGA,000119.035,,,,,0,00,,,M,0.0,M,,0000*59
-$GPGSA,A,1,,,,,,,,,,,,,,,*1E
-$GPRMC,000119.035,V,,,,,,,291006,,*2C
-$GPGGA,000120.037,,,,,0,00,,,M,0.0,M,,0000*51
-$GPGSA,A,1,,,,,,,,,,,,,,,*1E
-$GPRMC,000120.037,V,,,,,,,291006,,*24
-*/
\ No newline at end of file
+void ESPconfig()
+{
+    pc.printf("---------- Reset & get Firmware ----------\r\n");
+    strcpy(snd,"node.restart()\r\n");
+    SendCMD();
+    timeout=5;
+    getreply();
+    
+    wait(2);
+ 
+    pc.printf("\n---------- Connecting to AP ----------\r\n");
+    pc.printf("ssid = %s   pwd = %s\r\n",ssid,pwd);
+    strcpy(snd, "wifi.sta.config(\"");
+    strcat(snd, ssid);
+    strcat(snd, "\",\"");
+    strcat(snd, pwd);
+    strcat(snd, "\")\r\n");
+    SendCMD();
+    timeout=10;
+    getreply();
+    pc.printf(buf);
+ 
+    wait(5);
+ 
+    pc.printf("\n---------- Get IP's ----------\r\n");
+    strcpy(snd, "print(wifi.sta.getip())\r\n");
+    SendCMD();
+    timeout=3;
+    getreply();
+    pc.printf(buf);
+ 
+    wait(1);       
+}
+
+void ESPServerSetup(){
+    while (!gps.sample()){
+        wait(0.1);
+    }
+    pc.printf("\n---------- Setting up http server ----------\r\n");
+        strcpy(snd, "srv=net.createServer(net.TCP)\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "srv:listen(80,function(conn)\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "conn:on(\"receive\",function(conn,payload)\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "print(payload)\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "conn:send(\"<!DOCTYPE html>\")\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "conn:send(\"<html>\")\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "conn:send(\"<h1> Come Pick Me up, I'm Drunk</h1>\")\r\n");
+        SendCMD();
+        wait(0.2);
+        gps.sample();
+        int n = sprintf(snd, "conn:send(\"<h2>I'm at Longitude: %f degrees %c, Latitude %f degrees %c</h2>\")\r\n", gps.longitude, gps.ew, gps.latitude, gps.ns);
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "conn:send(\"</html>\")\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "end)\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "conn:on(\"sent\",function(conn) conn:close() end)\r\n");
+        SendCMD();
+        wait(0.2);
+        strcpy(snd, "end)\r\n");
+        SendCMD();
+        wait(0.2);
+        timeout=5;
+        getreply();
+        pc.printf(buf);
+        pc.printf("\r\nDONE");
+}
+
+void SendCMD()
+{
+    esp.printf("%s", snd);
+}
+ 
+void getreply()
+{
+    memset(buf, '\0', sizeof(buf));
+    t.start();
+    ended=0;
+    count=0;
+    while(!ended) {
+        if(esp.readable()) {
+            buf[count] = esp.getc();
+            count++;
+        }
+        if(t.read() > timeout) {
+            ended = 1;
+            t.stop();
+            t.reset();
+        }
+    }
+}
\ No newline at end of file

diff -r a5b817198f1a -r 97dfabad83aa nRF24L01P.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nRF24L01P.lib	Mon Dec 05 16:35:26 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/pabloamr/code/nRF24L01P/#8d55f1f49a33