Diff: main.cpp

Revision:

0:da6d7d20a81a

Child:

1:32ac32201889

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Apr 24 20:15:26 2016 +0000
@@ -0,0 +1,176 @@
+#include "mbed.h"
+#include "cmsis_os.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <iostream>
+#include <string>
+
+/*
+Master firmware
+Description: Baud rate - 115200
+
+Priority: (1)Master requests
+          (2)Send data to slave
+          (3)Confirmation data from slave
+
+*/
+//RawSerial object_name(PinName tx, PinName rx)
+RawSerial XBEE(p37, p31); //Master to slave communication
+
+RawSerial pc(USBTX,USBRX); //UART monitor from pc
+RawSerial wifi(p9, p10); // master to wifi UART
+
+AnalogIn m_pot(p15);
+
+float m_pot_val = 0.0;
+float s_pot_val = 0.0;
+
+PwmOut pwm(p27);
+
+bool master_manual = false;
+bool slave_manual = false;
+string received = ""; //from slave 
+string sent = ""; //to slave
+
+string feather_receive = ""; //data recieved from Feather
+string feather_sent = ""; //data sent to the Feather
+
+int convert_val = 0;
+int s_dim_amt = 0;
+int m_dim_amt = 0;
+int s_temp = 0;
+int m_temp = 0;
+float dim_percent = 0.0;
+
+int i = 0; //intialize
+int j = 0;
+char box;
+
+void wifi_communication_action(void const *args)
+{
+    while(1){
+        // Data frame[18]: G S | M A | 000 | 000 | S | A | 000 | 000 
+        // 'GWDM' 0-100 Master Light Level, OR 'GWDS' 0-100 Slave Light Level
+        char wifi_message [18] = {'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'};
+        string message = ""; // Empty Message String
+        int i = 0; // Iterator
+        
+        while(wifi.readable()) { // Receive Webapp Data from Adafruit Feather
+            wifi_message[i] = wifi.getc(); // Get each character WiFi Message.
+            i = i+1; // Iterate
+            osDelay(10); // Delay the OS 10ms WILL MOST LIKELY ADJUST TIMING FOR LAST 10% COMPLETION
+        }
+        
+        //message = wifi_message; // Save the character array as a string. USELESS
+        pc.printf(wifi_message); //Echo to terminal
+        i = 0; // Reset the iterator
+        // ------------------------------Data parsing --------------------------------------------------------
+        
+        if ( toupper(wifi_message [0]) == "G" && wifi_message [2] == "M" && wifi_message [10] == "S" )
+        {
+            m_dim_amt = atoi(wifi_message[4:6]);
+            m_temp = atoi(wifi_message[7:9]);
+            s_dim_amt = atoi(wifi_message[12:14]);
+            s_temp = aoti(wifi_message[15:17]);
+            
+            if (wifi_message [1] == "S") //Print status
+            {
+                pc.printf(wifi_message); //Echo to terminal
+            }
+            
+            else if (wifi_message [1] == "D") //Dim
+            {
+              m_dim_amt = atoi(wifi_message[4:6]);
+              m_temp = atoi(wifi_message[7:9]);
+              s_dim_amt = atoi(wifi_message[12:14]);
+              s_temp = aoti(wifi_message[15:17]);
+                    
+            }           
+                    
+        }         
+        
+        // ----------------------------- Prioritize Wireless/Manual Mode -----------------------------------
+        
+        if ( m_pot.read() > 0.0 )
+        {
+            if (wifi_message [3] == "0" ) // Check: Manual mode for Master
+            {
+                master_manual = true;
+                m_pot_val = m_pot.read(); //read in value from potentiometer
+                pwm.write(m_pot_val); //output potentiometer value to pwm
+            } 
+        
+            else if (wifi_message [3] == "1" ) //Check: Wireless for master
+            {
+                pwm.write((float)(m_dim_amt/100)); //Send out dim value from parsed data wirelessly    
+            
+            }
+        }
+          
+        if ( s_pot.read() > 0.0)
+        {  
+            if (wifi_message [11] == "0") // Check: Manual mode for Slave
+            {
+                slave_manual = true;
+                s_pot_val = s_pot.read();
+                pwm.write(s_pot_val);
+            }   
+            else if (wifi_message [11] == "1" ) //Check: Wireless for slave
+            {
+                pwm.write((float)(s_dim_amt/100)); //Send out dim value from parsed data wirelessly    
+                        
+            }
+        }            
+        
+        /*     
+        if (wifi_message [2] == 'D') { // if Dimming check if slave
+            if(wifi_message[3] == 'S') { // if slave print message
+                pc.printf(wifi_message);
+            } else if (wifi_message[3] == 'M') { // else if master, parse message
+                int temp1, temp2, temp3; // temp values convert char to int
+                temp1 = (int)wifi_message[4] - 48;//100's place || CHAR '0' IS 48 IN DEC
+                temp2 = (int)wifi_message[5] - 48;//10's place  || CHAR '0' IS 48 IN DEC
+                temp3 = (int)wifi_message[6] - 48;//1's place   || CHAR '0' IS 48 IN DEC
+                M_Dim = (temp1*100)+(temp2*10)+(temp3); // create int value || ABILITY TO GO OVER 100%???
+                Dim_amount = (float)M_Dim/100; // get dim percentage
+                Master_signal.write(Dim_amount); // write dim level to PWM
+                //pc.printf("%0.3f dimval",Dim_amount);
+            }
+        }
+        */
+    } //end superloop
+}//end thread
+
+
+// Send WiFi Status
+void wifi_status_send(void const *args)
+{
+    // Send Dim level message from GSM (General Status Master)
+    while(1){
+    wifi.printf("GSM%03d000S000000",M_Dim);
+    // Delay the OS by 3 seconds
+    osDelay(3000); // updating status every 3 seconds
+    }
+}
+
+// Define OS Thread to handle Communication between the master and the slave.
+osThreadDef(wifi_communication_action, osPriorityNormal, DEFAULT_STACK_SIZE);
+// Define OS Thread for sending Status
+osThreadDef(wifi_status_send, osPriorityNormal, DEFAULT_STACK_SIZE);
+
+int main ()
+{    
+    //Receive message - Slave light receiving message from Master
+    while (master_uart4.readable() != 0) //determines if there is a character to read
+    {
+        char buf; 
+        buf = master_uart4.getc(); //reads a char from the serial port and places into temp mailbox
+        received[i] = buf; //stores the read char
+        i++; //traverse through array
+        osStatus.wait(0.5); //Check this value ~ 0.5 ms
+    
+    } //Note: May have to reset counter to 0
+    
+     
+        
+}
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