Diff: main.cpp

Revision:

76:2d5afdb54c5f

Parent:

72:47ae7d8d7321

diff -r 1e3673a86f39 -r 2d5afdb54c5f main.cpp
--- a/main.cpp	Thu Sep 12 16:00:11 2019 +0100
+++ b/main.cpp	Sun Apr 26 09:47:43 2020 +0000
@@ -1,10 +1,133 @@
 #include "mbed.h"
+#include <string> 
+#include "ultrasonic.h"
+#include "uLCD_4DGL.h"
+#include "wave_player.h"
+
+Serial pc(USBTX, USBRX);
 
 // Network interface
 NetworkInterface *net;
 
-// Socket demo
+Thread threadLED, threadGame; //thread to update game and LED
+Mutex mtx; //mutex lock
+Timer t, delay;
+//AnalogOut DACout(p18);    // Speaker
+PwmOut speaker(p26);
+//wave_player waver(&DACout);
+
+
+PwmOut RGBLed_r(p21);
+PwmOut RGBLed_b(p24);
+PwmOut RGBLed_g(p25);
+
+uLCD_4DGL uLCD(p28,p27,p30);
+void dist(int distance);
+ultrasonic mu(p9, p10, .1, 1, &dist); //call dist when distance changes
+
+//Global thread variables and flags
+volatile int points = 0;
+volatile int prevPoints = -1;
+volatile int game = 1; //game flag 
+volatile int endGame = 0;
+std::string url = "99a86ea0.ngrok.io";
+
+//method to get sonar distance
+void dist(int distance)
+{
+	delay.start();
+    //printf("Game: %d", game);
+    mtx.lock();
+    if(distance < 70 && game == 1 && delay.read() > 1) { //range to be within and add point
+    	delay.reset();
+        prevPoints = points;
+        ++points; //incrememnt points 
+        speaker.period(1.0/550.0); // 500hz period
+	    speaker =0.1; //50% duty cycle - max volume
+	    wait(0.25);
+	    speaker=0.0;
+	    speaker.period(1.0/850.0); // 500hz period
+	    speaker =0.1; //50% duty cycle - max volume
+	    wait(0.25);
+	    speaker=0.0;
+    }
+
+    mtx.unlock();
+
+}
+
+/*
+void rgbLED(void) - thread function
+Inputs: Uses global Game flag to set the correct color to indicate if 
+the game is happening or not
+Outputs: LED color, green for game, purple for game over
+*/
+void rgbLED(void) 
+{
+    while(1) {
+        //printf("In RGB\n");
+        mtx.lock(); //mtx lock for global variables
+        if(game == 1) {
+            //printf("In if");
+            RGBLed_r = 0; //set color to green for game start
+            RGBLed_g = 255;
+            RGBLed_b = 0;
+        } else {
+            //printf("Not in If\n");
+            RGBLed_r = 200; //set color to purple for game over
+            RGBLed_g = 0;
+            RGBLed_b = 255;
+        }
+        //game = !game;
+        mtx.unlock();
+        Thread::wait(500);
+    }
+}
+
+/*
+void updateScore(void) - thread function
+Inputs: Global game flag, int prevPoints, int points
+Outputs: Calls distance sensor function if the game is active (1)
+  Adjusts the uLCD screen to display the number of points. 
+  Timer checks for if 30 seconds have passed to end the game (game = 0). 
+  When the game ends, prints out Game over and score. 
+*/
+void updateScore(void)
+{
+    while(1) {
+        mtx.lock();
+        if(game == 1) {
+            t.start();
+            mu.checkDistance();
+            //wait(100); 
+            if(prevPoints != points) {
+                uLCD.locate(0,0);
+                uLCD.text_width(5);
+                uLCD.text_height(5);
+                uLCD.printf("%d", points);
+
+            }
+            if(t.read() > 30) {
+                game = 0;
+                uLCD.locate(0,0);
+                uLCD.text_width(3); 
+                uLCD.text_height(3); 
+                uLCD.printf("Game\n over.\nScore: %d", points);
+                t.stop();
+                t.reset();
+            }
+            //printf("Game: %d, Time: %f \n", game, t.read()); 
+        }
+        mtx.unlock();
+        //Thread::wait(500);
+    }
+}
+
+// Socket + wait for game trigger
 int main() {
+    //run repeatedly
+	while(1) {
+    	
     int remaining;
     int rcount;
     char *p;
@@ -12,14 +135,14 @@
     nsapi_size_or_error_t result;
 
     // Bring up the ethernet interface
-    printf("Mbed OS Socket example\n");
+    //printf("Mbed OS Socket via ethernet\n");
 
 #ifdef MBED_MAJOR_VERSION
     printf("Mbed OS version: %d.%d.%d\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
 #endif
-
+	
     net = NetworkInterface::get_default_instance();
-
+	
     if (!net) {
         printf("Error! No network inteface found.\n");
         return 0;
@@ -32,17 +155,35 @@
     }
 
     // Show the network address
+    //printf("before hang\n");
     const char *ip = net->get_ip_address();
     const char *netmask = net->get_netmask();
     const char *gateway = net->get_gateway();
+    //printf("after hang\n");
     printf("IP address: %s\n", ip ? ip : "None");
     printf("Netmask: %s\n", netmask ? netmask : "None");
     printf("Gateway: %s\n", gateway ? gateway : "None");
 
     // Open a socket on the network interface, and create a TCP connection to ifconfig.io
     TCPSocket socket;
+    
+    
     // Send a simple http request
-    char sbuffer[] = "GET / HTTP/1.1\r\nHost: ifconfig.io\r\nConnection: close\r\n\r\n";
+    std::string strbuffer;
+    const char * sbuffer;
+    if (endGame) {
+    	char s[21];
+    	sprintf(s, "%d", points);
+    	std::string temp1 = s;
+    	char x[21];
+    	sprintf(x, "%d", strlen(s));
+    	std::string temp2 = x;
+		//sprintf(sbuffer, "POST /game?score=%d HTTP/1.1\r\nHost: %s\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-Length: %d\r\nConnection: close\r\n\r\n", points, url, strlen(s));
+    	strbuffer = "POST /game?score=" + temp1 + " HTTP/1.1\r\nHost: " + url + "\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-Length: "+ temp2 +"\r\nConnection: close\r\n\r\n";
+    } else {
+    	strbuffer = "GET / HTTP/1.1\r\nHost: " + url + "\r\nConnection: close\r\n\r\n";
+    }
+    sbuffer = strbuffer.c_str();
     nsapi_size_t size = strlen(sbuffer);
 
     result = socket.open(net);
@@ -50,12 +191,12 @@
         printf("Error! socket.open() returned: %d\n", result);
     }
 
-    result = socket.connect("ifconfig.io", 80);
+    result = socket.connect(url.c_str(), 80);
     if (result != 0) {
         printf("Error! socket.connect() returned: %d\n", result);
         goto DISCONNECT;
     }
-
+    
     // Loop until whole request sent
     while(size) {
         result = socket.send(sbuffer+result, size);
@@ -66,7 +207,7 @@
         size -= result;
         printf("sent %d [%.*s]\n", result, strstr(sbuffer, "\r\n")-sbuffer, sbuffer);
     }
-
+	if (endGame) break;
     // Receieve an HTTP response and print out the response line
     remaining = 256;
     rcount = 0;
@@ -82,7 +223,20 @@
     }
 	// the HTTP response code
     printf("recv %d [%.*s]\n", rcount, strstr(buffer, "\r\n")-buffer, buffer);
-
+	int resp_body = buffer[199] - '0';
+	printf("\nResponse Body: %d\n", resp_body);
+	//start game if value was 1
+	if (resp_body == 1) {
+		mu.startUpdates();
+    
+    	threadGame.start(updateScore); //start updating the score
+    	threadLED.start(rgbLED); //start checking LED lights
+    	wait(30); //wati for game to run
+	    //strbuffer = "POST /game?score=11 HTTP/1.1\r\nHost: " + url + "\r\nContent-Type: application/x-www-form-urlencoded\r\nContent-Length: 0\r\nConnection: close\r\n\r\n";
+		endGame = 1;
+    	//break;
+    	
+	}
     delete[] buffer;
 
 DISCONNECT:
@@ -92,4 +246,11 @@
     // Bring down the ethernet interface
     net->disconnect();
     printf("Done\n");
-}
+    wait(5.0);
+    }
+    wait(5.0);
+    //send score before restarting
+    //sendScore(points);
+    //restart system
+    NVIC_SystemReset();
+}
\ No newline at end of file