Revision 0:526edf64eda3, committed 2018-04-09

Comitter:

vishnu001

Date:

Mon Apr 09 05:33:19 2018 +0000

Commit message:

final accelerometer data to thingspeak using esp8266

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C12832.lib	Mon Apr 09 05:33:19 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/askksa12543/code/C12832/#990d5eec2ef6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FreescaleIAP.lib	Mon Apr 09 05:33:19 2018 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/Sissors/code/FreescaleIAP/#ab8a833a25eb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8451Q.lib	Mon Apr 09 05:33:19 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/emilmont/code/MMA8451Q/#c4d879a39775

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Apr 09 05:33:19 2018 +0000
@@ -0,0 +1,374 @@
+#pragma once
+#include "mbed.h"
+//https://developer.mbed.org/users/4180_1/notebook/using-the-esp8266-with-the-mbed-lpc1768/
+//modified to run on KL25Z using serial port at PTA2,PTA1 (tx,rx) and PTD4 as RST pin
+#include "MMA8451Q.h"
+#include "C12832.h"
+#include "FreescaleIAP.h"
+
+PinName const SDA = PTE25;
+PinName const SCL = PTE24;
+
+#define IP "api.thingspeak.com"
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+char cDataBuffer[100];
+double latitude, longitude;
+double lat_ch,long_ch;
+//int i = 0;
+
+
+void Init();
+void parse(char *cmd, int n);
+void check();
+
+Serial pc(USBTX,USBRX);
+Serial gps(PTD3, PTD2);//tx,rx
+Serial esp(PTC4,PTC3); // tx, rx
+DigitalOut reset(PTD4);
+DigitalOut alert(PTD5);
+//C12832 lcd(D11, D13, D12, D7, D10);
+
+
+Timer timer1;
+//Timer time;
+
+int  count,ended,timeout;
+char buf='0';
+char snd[255];
+
+char ssid[32] = "praveena";     // enter WiFi router ssid inside the quotes
+char pwd [32] = "12345678"; // enter WiFi router password inside the quotes
+int t;
+void record(void);
+//void check(void);
+
+void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate();
+int main(void) {
+    int flag=0;
+    pc.baud(115200);
+    esp.baud(115200);   // change this to the new ESP8266 baudrate if it is changed at any time.
+    gps.baud(9600);
+    int over = 1;
+    char c;
+    MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
+     //lcd.cls();
+      timer1.start();
+      reset=0; //hardware reset for 8266
+      // set what you want here depending on your terminal program speed
+    pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r");
+    wait(0.5);
+    reset=1;
+    timeout=2;
+    getreply();
+
+    
+
+    //ESPsetbaudrate();   //******************  include this routine to set a different ESP8266 baudrate  ******************
+
+    ESPconfig();        //******************  include Config to set the ESP8266 configuration  ***********************
+
+   
+   
+
+    while (true) 
+    { 
+        over = 1;
+         //lcd.locate(0,3);
+        while(over){
+         if(gps.readable())
+        { 
+            pc.printf("hi\n\r");
+            if(gps.getc() == '$');           // wait a $
+            {
+                for(int i=0; i<sizeof(cDataBuffer); i++)
+                {
+                    c = gps.getc();
+                    if( c == '\r' )
+                    {
+                        pc.printf("hi\n\r");
+                        parse(cDataBuffer, i);
+                        i = sizeof(cDataBuffer);
+                        over = 0;
+                    }
+                    else
+                    {
+                        cDataBuffer[i] = c;
+                    }                 
+                }
+            }
+         }
+         } 
+         pc.printf("GPS: latitude: %.6f :: longitude: %.6f\n\r", latitude/100.0 , longitude/100.0);
+        check();
+        float z;
+
+        z = (acc.getAccZ())*10;
+        wait(0.1);
+        //check();
+        if(z<=8.0 || z>= 10.5)
+        { flag++;
+            if(flag == 1){
+                 t= timer1.read();
+                 }
+                if( (timer1.read() - t) >= 2.5 && (timer1.read() - t) < 4.5 && flag>2){
+                    //lcd.locate(0,15);
+                    //int p=t;
+                    pc.printf("bump detected at latitude: %.6f :: longitude: %.6f\n\r", latitude/100.0 , longitude/100.0);
+                    lat_ch=latitude;
+                    long_ch=longitude;
+                    flag =0;
+                    wait(5);
+                    record();
+                    //lcd.cls();
+                }
+            else if( (timer1.read() - t) >= 5.0 ){
+                    flag =0;
+                }
+            }
+            
+           //lcd.locate(0,15); 
+           pc.printf("good to go\n\r");
+           //wait(0.5);
+             
+    }
+}
+void record()
+{
+    
+
+
+    // continuosly get AP list and IP
+        pc.printf("\n---------- Listing Acces Points ----------\r\n");
+        
+        
+        strcpy(snd,"AT+CIPMODE=0\r\n");//Setting WiFi into MultiChannel mode
+        SendCMD();
+        getreply();
+        pc.printf("       buf  = ##start %s                 ..##end\n",buf);
+        wait(0.5);
+        /*
+        strcpy(snd,"AT+CIPMUX=1");//Setting WiFi into MultiChannel mode
+        SendCMD();
+        getreply();
+        pc.printf("       buf  = ##start %s                 ..##end\n",buf);
+        wait(0.5);
+        */
+        //pc.printf("%s\n\r",buf);
+        strcpy(snd,"AT+CIPSTART=4,\"TCP\",\"api.thingspeak.com\",80\r\n");
+        SendCMD();
+        timeout=5;
+        getreply();
+        wait(1);
+        strcpy(snd,"AT+CIPSEND=4,68\r\n");
+        SendCMD();
+        timeout=1;
+        getreply();
+        wait(1);
+        sprintf(snd,"GET /update?key=DLTFSJQRE1WQTXF3&field1=%.6f&field2=%.6f\r\n",latitude/100.0,longitude/100.0); 
+        SendCMD();
+        timeout=1;
+        getreply();
+        wait(1);
+        pc.printf("length = %d\n\r",strlen(snd));
+        getreply();
+        pc.printf("       buf  = ##start %s                 ..##end\n\r",buf);
+        strcpy(snd,"AT+CIPCLOSE=4\r\n"); 
+        SendCMD();
+        timeout=1;
+        getreply();
+        wait(1);
+        //wait(1);
+
+}
+
+// Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
+void ESPsetbaudrate()
+{
+    strcpy(snd, "AT+CIOBAUD=115200\r\n");   // change the numeric value to the required baudrate
+    SendCMD();
+}
+
+//  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
+void ESPconfig()
+{
+    wait(5);
+    strcpy(snd,"AT\r\n");
+    SendCMD();
+    
+    getreply();
+    wait(1);
+    pc.printf("%s\n\r",buf);
+    strcpy(snd,"AT\r\n");
+    SendCMD();
+    getreply();
+    wait(1);
+    pc.printf("%s\n\r",buf);
+    strcpy(snd,"AT\r\n");
+    SendCMD();
+    timeout=1;
+    getreply();
+    wait(1);
+    pc.printf("%s\n\r",buf);
+    pc.printf("\f---------- Starting ESP Config ----------\r\n");
+
+    pc.printf("---------- Reset & get Firmware ----------\r\n");
+    strcpy(snd,"AT+RST\r\n");
+    SendCMD();
+    timeout=5;
+    getreply();
+    pc.printf("       buf  = ##start %s                 ..##end\n",buf);
+
+    wait(2);
+
+    pc.printf("\n---------- Get Version ----------\r\n");
+    strcpy(snd,"AT+GMR\r\n");
+    SendCMD();
+    timeout=4;
+    getreply();
+    pc.printf("       buf  = ##start %s                 ..##end\n",buf);
+
+    wait(3);
+
+    // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
+    pc.printf("\n---------- Setting Mode ----------\r\n");
+    strcpy(snd, "AT+CWMODE=1\r\n");
+    SendCMD();
+    timeout=4;
+    getreply();
+    pc.printf("       buf  = ##start %s                 ..##end\n",buf);
+
+    wait(2);
+
+    // set CIPMUX to 0=Single,1=Multi
+    pc.printf("\n---------- Setting Connection Mode ----------\r\n");
+    strcpy(snd, "AT+CIPMUX=1\r\n");
+    SendCMD();
+    timeout=4;
+    getreply();
+    pc.printf("       buf  = ##start %s                 ..##end\n",buf);
+
+    wait(2);
+/*
+    pc.printf("\n---------- Listing Access Points ----------\r\n");
+    strcpy(snd, "AT+CWLAP\r\n");
+    SendCMD();
+    timeout=15;
+    getreply();
+    pc.printf("       buf  = ##start %s                 ..##end\n",buf);
+
+    wait(2);
+*/
+    pc.printf("\n---------- Connecting to AP ----------\r\n");
+    pc.printf("ssid = %s   pwd = %s\r\n",ssid,pwd);
+    strcpy(snd, "AT+CWJAP=\"");
+    strcat(snd, ssid);
+    strcat(snd, "\",\"");
+    strcat(snd, pwd);
+    strcat(snd, "\"\r\n");
+    SendCMD();
+    timeout=10;
+    getreply();
+    pc.printf("       buf  = ##start %s                 ..##end\n",buf);
+
+    wait(5);
+    
+
+    pc.printf("\n---------- Get IP's ----------\r\n");
+    strcpy(snd, "AT+CIFSR\r\n");
+    SendCMD();
+    timeout=3;
+    getreply();
+    pc.printf("       buf  = ##start %s                 ..##end\n\r",buf);
+
+    wait(1);
+
+    pc.printf("\n---------- Get Connection Status ----------\r\n");
+    strcpy(snd, "AT+CIPSTATUS\r\n");
+    SendCMD();
+    timeout=2;
+    getreply();
+    pc.printf("       buf  = ##start %s                 ..##end\n\r",buf);
+    /*
+
+    pc.printf("\n\n\n  If you get a valid (non zero) IP, ESP8266 has been set up.\r\n");
+    pc.printf("  Run this if you want to reconfig the ESP8266 at any time.\r\n");
+    pc.printf("  It saves the SSID and password settings internally\r\n");
+    wait(10);*/
+}
+
+void SendCMD()
+{
+    esp.printf("%s", snd);
+}
+
+void getreply()
+{
+    //memset(buf, '\0', sizeof(buf)); // this zeros the array
+    timer1.stop();
+    timer1.reset();
+    timer1.start(); //  start a timer
+    ended=0; 
+    //count=0;
+    while(!ended) {
+        //pc.putc('c');
+        while(esp.readable()) {
+            buf= esp.getc();
+            pc.putc(buf);
+            //count++;
+        }
+       if(timer1.read() > timeout) {
+            //pc.putc('$');
+            ended = 1;
+            //t.stop();
+//            t.reset();
+        }
+    }
+}
+
+inline void parse(char *cmd, int n)
+{
+    
+    char ns, ew, tf, status;
+    int fq, nst, fix, date;                                     // fix quality, Number of satellites being tracked, 3D fix
+    float timefix, speed, altitude;
+    
+    
+    // Global Positioning System Fix Data
+    if(strncmp(cmd,"$GPGGA", 6) == 0) 
+    {
+        sscanf(cmd, "$GPGGA,%f,%lf,%c,%lf,%c,%d,%d,%*f,%f", &timefix, &latitude, &ns, &longitude, &ew, &fq, &nst, &altitude);
+        //pc.printf("GPGGA Fix taken at: %f, Latitude: %f %c, Longitude: %f %c, Fix quality: %d, Number of sat: %d, Altitude: %f M\n", timefix, latitude, ns, longitude, ew, fq, nst, altitude);
+    }
+    
+    // Satellite status
+    if(strncmp(cmd,"$GPGSA", 6) == 0) 
+    {
+        sscanf(cmd, "$GPGSA,%c,%d,%d", &tf, &fix, &nst);
+        //pc.printf("GPGSA Type fix: %c, 3D fix: %d, number of sat: %d\r\n", tf, fix, nst);
+    }
+    
+    // Geographic position, Latitude and Longitude
+    if(strncmp(cmd,"$GPGLL", 6) == 0) 
+    {
+        sscanf(cmd, "$GPGLL,%lf,%c,%lf,%c,%f", &latitude, &ns, &longitude, &ew, &timefix);
+        //pc.printf("GPGLL Latitude: %f %c, Longitude: %f %c, Fix taken at: %f\n\r", latitude/100.0, ns, longitude/100.0, ew, timefix);
+    }
+    
+    // Geographic position, Latitude and Longitude
+    if(strncmp(cmd,"$GPRMC", 6) == 0) 
+    {
+        sscanf(cmd, "$GPRMC,%f,%c,%lf,%c,%lf,%c,%f,,%d", &timefix, &status, &latitude, &ns, &longitude, &ew, &speed, &date);
+        //pc.printf("GPRMC Fix taken at: %f, Status: %c, Latitude: %f %c, Longitude: %f %c, Speed: %f, Date: %d\n", timefix, status, latitude, ns, longitude, ew, speed, date);
+    }
+}
+void check(){
+    if(latitude!=0){
+    if(abs(latitude*1000 - lat_ch*1000) <= 20 && abs(longitude*1000 - long_ch*1000) <=20 ){
+        alert = 1;
+        wait(2);
+        alert = 0;
+        lat_ch = 0;
+        long_ch = 0;
+    }
+    }    
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Apr 09 05:33:19 2018 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/users/mbed_official/code/mbed/builds/093f2bd7b9eb
\ No newline at end of file