Diff: main.cpp

Revision:

0:4dcc14de1899

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Dec 09 00:10:29 2014 +0000
@@ -0,0 +1,150 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "Websocket.h"
+#include "stdio.h"
+#include "string.h"
+
+//Used to Log to the PC
+Serial pc(USBTX,USBRX);
+
+//Input Pin for the Paddle Wheel Flow Meter
+DigitalIn pulse(p8);
+
+// Pin Outs for Solenoids
+DigitalOut Ctrl(p9);
+DigitalOut Ctrl2(p10);
+
+//
+#define PULSE_VOL 4.50 // More flow due to angle of paddle wheel Pour 1
+#define PULSE_VOL2 6.75 // Less flow due to angle of paddle wheel Pour 2
+
+//Function Declarations
+void pourOne(float milliliters);
+void pourTwo(float milliliters);
+
+/*
+    The main function opens a web socket client and listens for a preset series
+    of recipies. If one is found, it calls functions to pour liquid.
+*/
+int main() {
+    pc.printf("Starting BarBot!\r\n");
+    
+    // Close Both Solenoids
+    Ctrl = 0;
+    Ctrl2 = 0;
+    
+    // Receive Buffer
+    char recv[30];
+    char recipe[] = "Rum & Coke";
+    char recipe2[] = "Whiskey Ginger";
+    char recipe3[] = "Whiskey Neat";
+    
+    // Ethernet Interfacing
+    EthernetInterface eth;
+    eth.init(); //Use DHCP
+    eth.connect();
+    pc.printf("IP Address is %s\n\r", eth.getIPAddress());
+ 
+    // Open a Websocket
+    Websocket ws("ws://sockets.mbed.org:443/ws/sid/ro"); //This Websocket server is provided by MBED for prototyping
+    ws.connect();
+    
+    // Wait to receive an order from websocket
+    while (1) {
+        
+        if(ws.read(recv)) {
+            pc.printf("%s\r\n", recv);
+
+            // Recipe based process
+            if(strcmp(recv, recipe) == 0) {
+                pourOne(132);
+                pourTwo(44);    
+            }
+            else if(strcmp(recv, recipe2) == 0) {
+                pourOne(0);
+                pourTwo(88);   
+            }
+            else if(strcmp(recv, recipe3) == 0) {
+                pourOne(88);
+                pourTwo(0);
+            }
+        } 
+        
+        wait(1.0);
+    }
+    
+}
+
+void pourOne(float milliliters) {
+    
+    pc.printf("Pour One\r\n");
+    
+    //pouring an empty amount (neat drinks)
+    if(milliliters <= 0) {
+        return;    
+    } 
+    
+    int pulses = 0;
+    bool lastPulse = pulse;
+    bool thisPulse;
+    float volume = 0;
+    
+    //open solenoid one
+    Ctrl = 1;
+    
+    while(volume < milliliters) {
+        thisPulse = pulse;
+        
+        //check to see if pulse has changed since the last time
+        if(thisPulse != lastPulse) {
+            pulses += 1;    
+        }
+        lastPulse = thisPulse;
+        
+        //increase the volume
+        volume = pulses * PULSE_VOL;
+        
+        pc.printf("Poured %f From First Bottle\r\n", volume);    
+    }
+    
+    
+    //close solenoid one
+    Ctrl = 0;    
+}
+
+void pourTwo(float milliliters) {
+    
+    pc.printf("Pour Two\r\n");
+    
+    //pouring an empty amount (neat drinks)
+    if(milliliters <= 0) {
+        return;    
+    } 
+    
+    int pulses = 0;
+    bool lastPulse = pulse;
+    bool thisPulse;
+    float volume = 0;
+    
+    //open solenoid two
+    Ctrl2 = 1;
+    
+    while(volume < milliliters) {
+        thisPulse = pulse;
+        
+        //check to see if pulse has changed since last time
+        if(thisPulse != lastPulse) {
+            pulses += 1;    
+        }
+        
+        lastPulse = thisPulse;
+        
+        //increase the volume
+        volume = pulses * PULSE_VOL2;
+        
+        pc.printf("Poured %f From Second Bottle\r\n", volume);    
+    }
+    
+    //close solenoid two
+    Ctrl2 = 0;
+}
\ No newline at end of file