Diff: main.cpp

Revision:

4:061755016e24

Parent:

3:409108394e75

--- a/main.cpp	Sat Nov 25 20:53:09 2017 +0000
+++ b/main.cpp	Sun Nov 26 02:23:40 2017 +0000
@@ -13,6 +13,7 @@
 //----------------------------------------------------------------------------
 #include <sstream>
 #include <string>
+#include <time.h>
 
 #include "mbed.h"
 #include "OdinWiFiInterface.h"
@@ -30,12 +31,6 @@
  
 #define USE_I2C_2V8
 
-struct vector {
-    public:
-        double x, y, z;
-    vector (double xval, double yval, double zval) : x(xval), y(yval), z(zval) {};
-};
-
 // GLOBAL VARIABLES HERE
 C12832  lcd(PE_14, PE_12, PD_12, PD_11, PE_9);
 DigitalOut  led(PB_6, 1);
@@ -173,14 +168,6 @@
 
 int main() {
 
-    // Initialize reading variables
-    int var=1, measure=0;
-    int ave=0, sum=0;
-    double * acc;
-    int * light;
-    uint16_t * air;
-    float * temp;
-
     // Setup Laser
     VL53L0X_Dev_t MyDevice;
     VL53L0X_Dev_t *pMyDevice = &MyDevice;
@@ -192,7 +179,6 @@
     pMyDevice->comms_type      =  1;
     pMyDevice->comms_speed_khz =  400;
     
-    
     VL53L0X_RdWord(&MyDevice, VL53L0X_REG_OSC_CALIBRATE_VAL,0);
     VL53L0X_DataInit(&MyDevice); 
     uint32_t refSpadCount;
@@ -217,14 +203,36 @@
         return -1;
     }
     lcd_print("Successfully connected!");
-    //char ipaddress[] = "http://10.25.1.118:5000";
+    
+    // Initialize reading variables
+    int var=1, measure=0;
+    int ave=0, sum=0;
+    double * acc;
+    int * light;
+    uint16_t * air;
+    float * temp;
+    //auto time0 = chrono::steady_clock::now();
+    
+    int counter = 0;
+    int buffer_size = 10;
+    int buffer_time[buffer_size];
+    double buffer_acc[buffer_size][3];
+    int buffer_dist[buffer_size];
+    int buffer_light[buffer_size][2];
+    uint16_t buffer_air[buffer_size][2];
+    float buffer_temp[buffer_size][2];
     
     post_button.rise(&send_post);
     get_put_button.rise(&send_put);
+    
+    Timer t;
+    
+    t.start();
+    
     while (true) {
         
         // Get laser measurement
-           while(var<=4){
+           while(var<=2){
                 WaitMeasurementDataReady(pMyDevice);
                 VL53L0X_GetRangingMeasurementData(pMyDevice, pRangingMeasurementData);
                 measure=pRangingMeasurementData->RangeMilliMeter;
@@ -236,49 +244,117 @@
         ave=sum/var; // This is the measurement value
         var=1;
         sum=0; 
+
+        // TIMINGS
+        int now_time = t.read_ms();
         
+        std::ostringstream timestr;
+        timestr << "Elapsed time: " << now_time/1000 << "\n Press SW1 to send data";
+        std::string tstr = timestr.str();
+        
+        //std::ostringstream timestr;
+        //timestr << counter;
+        //std:string tstr = timestr.str();
+        //lcd_print(tstr.c_str());
+        
+        //buffer is sent via http when it is full
+        buffer_time[counter] = now_time;
+        //buffer_time[counter] = 0;
+        buffer_dist[counter] = ave;
         // Get accelerometer measurement
         acc = read_accel();
-        
+        buffer_acc[counter][0] = acc[0];
+        buffer_acc[counter][1] = acc[1];
+        buffer_acc[counter][2] = acc[2];
         light = read_light();
-        
+        buffer_light[counter][0] = light[0];
+        buffer_light[counter][1] = light[1];
         //temp = read_temp();
-        temp[0] = 0;
-        temp[1] = 1;
+        //buffer_temp[counter][0] = temp[0];
+        //buffer_temp[counter][0] = temp[1];
+        //air = read_air();
+        //buffer_air[counter][0] = air[0];
+        //buffer_air[counter][0] = air[1];
         
-        //air = read_air();
-        air[0] = 0;
-        air[1] = 0;
+        counter += 1;
+        
+        if (counter >= buffer_size) {
+            counter = 0;
+            lcd_print(tstr.c_str());
         
-        if (post_clicked) {
-            //post_clicked = false;
-            NetworkInterface* net = &wifi;
-            HttpRequest* request = new HttpRequest(net, HTTP_POST, "http://10.25.1.118:5000");
-            request->set_header("Content-Type", "application/json");
-            //const char body[] = "{\"post\":\"request\" , \"message\" : \"hello\"  }";
-            std::ostringstream datastr;
-            datastr << "{ \"dist\" : " << ave << 
-                ", \"acceleration\" : { \"x\" : " << acc[0] << ", \"y\" : " << acc[1] << ", \"z\": " << acc[2] << "}" << \
-                ", \"co2\" : " << air[0] << ", \"voc\" : " << air[1] << \
-                ", \"visible\" : " << light[0] << ", \"infared\" : " << light[1] << \
-                ", \"temperature\" : " << temp[0] << ", \"humidity\" : " << temp[1] << " }";
-            std::string dstr = datastr.str();
-            //const char body[] = dstr.c_str();
-            HttpResponse* response = request->send(dstr.c_str(), strlen(dstr.c_str()));
-            lcd_print(response->get_body_as_string().c_str());
-            delete request;
+            if (post_clicked) {
+                lcd_print("Sending Data... \nPress SW2 to stop.");
+                //post_clicked = false;
+                NetworkInterface* net = &wifi;
+                HttpRequest* request = new HttpRequest(net, HTTP_POST, "http://10.25.1.118:5000");
+                request->set_header("Content-Type", "application/json");
+                std::ostringstream datastr;
+                
+                datastr << "{ \"time\" : [ " << buffer_time[0];
+                for(int i=1; i<buffer_size; i++){
+                    datastr << ", " << buffer_time[i];
+                }
+                datastr << " ], ";
+                
+                datastr << " \"dist\" : [ " << buffer_dist[0];
+                for(int i=1; i<buffer_size; i++){
+                    datastr << ", " << buffer_dist[i];
+                }
+                datastr << " ], ";
+                
+                datastr << " \"acc\" : [ ";
+                datastr << "{ \"x\" : " << buffer_acc[0][0] << ", \"y\" : " << buffer_acc[0][1] << ", \"z\": " << buffer_acc[0][2] << "}" ;
+                for(int i=1; i<buffer_size; i++){
+                    datastr << ", { \"x\" : " << buffer_acc[i][0] << ", \"y\" : " << buffer_acc[i][1] << ", \"z\": " << buffer_acc[i][2] << "}" ;
+                }
+                
+                // Light
+                datastr << "], ";
+                datastr << " \"visible\" : [ " << buffer_light[0][0];
+                for(int i=1; i<buffer_size; i++){
+                    datastr << ", " << buffer_light[i][0];
+                }
+                datastr << " ], ";
+                datastr << " \"infared\" : [ " << buffer_light[0][1];
+                for(int i=1; i<buffer_size; i++){
+                    datastr << ", " << buffer_light[i][1];
+                }    
+                datastr << " ] ";        
+                
+                /*
+                // Temperature
+                datastr << " ], ";
+                datastr << " \"temp\" : [ ";
+                datastr << "{ \"temperature\" : " << buffer_temp[0][0] << ", \"humidity\" : " << buffer_temp[0][1] << "}" ;
+                for(int i=1; i<buffer_size; i++){
+                    datastr << ", { \"visible\" : " << buffer_temp[i][0] << ", \"infared\" : " << buffer_temp[i][1] << "}" ;
+                }
+                
+                // Air
+                datastr << " ], ";
+                datastr << " \"air\" : [ ";
+                datastr << "{ \"eco2\" : " << buffer_air[0][0] << ", \"tvoc\" : " << buffer_air[0][1] << "}" ;
+                for(int i=1; i<buffer_size; i++){
+                    datastr << ", { \"eco2\" : " << buffer_air[i][0] << ", \"tvoc\" : " << buffer_air[i][1] << "}" ;
+                }
+                */
+                
+                datastr << "}";
+                    
+                std::string dstr = datastr.str();
+                HttpResponse* response = request->send(dstr.c_str(), strlen(dstr.c_str())); 
+                
+                //const char body[] = "{ \"key1\" : \"value1\" }";
+                //HttpResponse* response = request->send(body, strlen(body));
+                //lcd_print(response->get_body_as_string().c_str());
+                delete request;
+            }
         }
         
         if (put_clicked) {
+            lcd_print("Stopped Sending Data...");
             put_clicked = false;
             post_clicked = false;
-            NetworkInterface* net = &wifi;
-            HttpRequest* request = new HttpRequest(net, HTTP_PUT, "http://IP_ADDRESS_HERE:8080");
-            request->set_header("Content-Type", "application/json");
-            const char body[] = "{\"put\":\"request\"}";
-            HttpResponse* response = request->send(body, strlen(body));
-            lcd_print(response->get_body_as_string().c_str());
-            delete request;
         }
         
         //wait_ms(10);