Revision 10:c10d1337d754, committed 2017-12-30

Comitter:

dnonoo

Date:

Sat Dec 30 18:55:22 2017 +0000

Parent:

9:b838c5787ed7

Child:

11:19135c83c208

Commit message:

Added pin CD on SD Card to PE_10 (digitalIn) to check if SD card is inserted and Help command in Serial Thread;

Changed in this revision

--- a/main.cpp	Sat Dec 30 15:12:09 2017 +0000
+++ b/main.cpp	Sat Dec 30 18:55:22 2017 +0000
@@ -44,6 +44,7 @@
 volatile double PRES = 0;
 volatile double TEMP = 0;
 
+volatile int sampleTime = 15;
 // int to hold current switch state
 int userButtonState = FallingEdge;
 
@@ -82,6 +83,7 @@
     pc.attach(&Rx_interrupt, Serial::RxIrq);
     POST();
     
+    pc.printf("\n\n\nType HELP for list of available Commands\n\n\n\r");
     _serialCMD.start(serialCMD);
     _PrintLCD.start(PrintLCD);
     _sensorRead.start(sensorRead);
@@ -90,8 +92,7 @@
     _Network1.start(Network1);
     
     userButton.rise(&userButtonRise);
-    read.attach(readISR, SAMPLING_PERIOD);
-    
+    read.attach(&readISR, sampleTime);
     
     while (1) {
         Yellow_ext = ON;
@@ -101,6 +102,7 @@
         }// End While
 } // End Main
 /*--------------------------------------------------------------------*/
+/*-----------------Circular Buffer------------------------------------*/
 void circBuff () {
     
     while(1) { 
@@ -141,9 +143,9 @@
             }
             //Unlock data buffer
             DataBuffer.unlock();
-    }
-}
-
+    }// End While
+}// End Circular buffer
+/*-------------------------------------------------------------*/
 /*---------------------Read Sensors ---------------------------*/
 
 void readISR () { // Ticker interrupt defined in main
@@ -177,7 +179,7 @@
         Thread::signal_wait(SENSOR_UPDATE); // Wait for the Timer interrupt
     }
 }
-    
+/*--------------------------------------------------------------------*/    
 
 /*--------------------------------LCD---------------------------------*/
 void PrintLCD () {
@@ -205,21 +207,21 @@
                     mail_box.free(mail);
                 }
                
-                lcd.Write("Light Level:");
+                lcd.Write("Light:");
                 lcd.RowSelect(1);
                 lcd.Write(lightString);
                 i++;                
             break;
             }
             case 1:
-                lcd.Write("Temperature:");
+                lcd.Write("Temperature(C):");
                 lcd.RowSelect(1);
                 lcd.Write(tempString);
                 i++;
             break;
         
             case 2:
-                lcd.Write("Pressure:");
+                lcd.Write("Pressure(mBar):");
                 lcd.RowSelect(1);
                 lcd.Write(pressString);
                 i =0;                
@@ -410,6 +412,10 @@
 /*----SETT----------------------------------*/
         else if(strstr(rx_buffer, "SETT")){
             pc.puts(" SETT\n\r");
+           // read.detach();
+           // sampleTime = atoi(rx_buffer);
+           // pc.printf("Sample Time %d\n\r", sampleTime);
+           // read.attach(&readISR, sampleTime);
         }
 /*----STATE----------------------------------*/
         else if(strstr(rx_buffer, "STATE")){
@@ -419,6 +425,15 @@
         else if(strstr(rx_buffer, "LOGGING")){
             pc.puts(" LOGGING\n\r");
         }
+/*----HELP--------------------------------------*/
+        else if (strstr(rx_buffer, "HELP")) {
+            pc.puts("\n\n\nCurrently Available Commands:\n\r");
+            pc.puts("\tREAD n   - Read n previous samples\n\r");
+            pc.puts("\tREAD ALL - Read All previous samples held in memory\n\r");
+            pc.puts("\tSETTIME hh:mm::ss  - Set time in 24hr format\n\r");
+            pc.puts("\tSETDATE dd/mm/yyyy - Set time in specified format\n\r");
+            pc.puts("\tDELETE ALL   - Delete all sampled held in internal memory\n\n\n\r");
+        } 
 /*----ERROR---*/
         else{
             pc.puts("####ERROR####\n\r");    
@@ -435,7 +450,160 @@
     }
 }
 /*------------------------------------------------*/
+/*---------------SD THread------------------------*/
+void writeRemove_SD() {
+    
+    while(1) {
+        Thread::signal_wait(USER_BUTTON_PRESSED); //wait for debounce signal
+        int sd_state = sdIn;
+        switch (sd_state) {
+            case 1:
+                pc.printf("SD Card not inserted!\n\r");
+                pc.printf("Insert SD Card and press User button again\n\r");
+                break;
+             default:
+                pc.printf("This should never happen\n\r");
+                break;
+            case 0:
+                pc.printf("Initalising SD Card\n\r");
 
+                //check init
+                if (sd.init() != 0) {
+                    pc.printf(" ERROR - SD card failed to initialise.\n\rRestart board\n\r");
+                }
+
+                // Create Filing system for SD Card
+                FATFileSystem fs("sd", &sd);
+
+                //OpenFiles to write/append to
+                pc.printf("Writing to SDC\n\r");
+
+                FILE* fp = fopen("/sd/TheChamberOfSecrets.txt", "w"); //"w" to overwrite file ftb
+
+                // Check for error in opening file
+                if (fp == NULL) {
+                    pc.printf("*****ERROR - Could not open file for write*****\n\r");
+                }
+                //HERE IS WHERE TO PRINT DATA TO SD CARD FROM BUFFER (REMEMBER TO EMPTY BUFFER???)
+                //Lock data buffer
+                DataBuffer.lock();
+                dataLock.lock();
+                //Print all samples to SD
+                for(int n=data_t; n<=MAX_SAMPLES; n++) {
+                    fputs(data_buffer[n], fp);
+                    fprintf(fp, "\n\r");
+                }
+                if(data_t>data_h) {
+                    for(int n=0; n<=(data_t-1); n++) {
+                        fputs(data_buffer[n], fp);
+
+                    }
+                }
+
+                //Lock data buffer
+                DataBuffer.unlock();
+                dataLock.unlock();
+                //fprintf(fp, "dd/mm/yy hh:mm:ss, TEMPERATURE, PRESSURE, LIGHT\n\r");
+
+                fclose(fp);
+
+                pc.printf("Write Sucessful!\n\r");
+
+                sd.deinit();
+                pc.printf("SD Card Ready to Remove\n\r");
+                Green_ext = 1;
+                Thread::wait(500);
+                Green_ext = 0;
+                Thread::wait(500);
+                Green_ext = 1;
+                Thread::wait(500);
+                Green_ext = 0;
+                Thread::wait(500);
+                Green_ext = 1;
+                Thread::wait(500);
+                Green_ext = 0;
+                Thread::wait(500);
+                Green_ext = 1;
+                Thread::wait(500);
+                Green_ext = 0;
+                Thread::wait(500);
+        }//End Switch
+    }// End While
+}// End Thread
+/*--------------------------------------------------------------------------*/
+
+/*---------------------------Networking Thread------------------------------*/
+void Network1 () {
+    
+    printf("Setting up server\n\r");
+    
+    //Configure an ethernet connection
+    EthernetInterface eth;
+    eth.set_network(IP, NETMASK, GATEWAY);
+    eth.connect();
+    printf("The target IP address is '%s'\n\r", eth.get_ip_address());
+    
+    //Now setup a web server
+    TCPServer srv;           //TCP/IP Server
+    
+    SocketAddress clt_addr;  //Address of incoming connection
+    
+    /* Open the server on ethernet stack */
+    srv.open(&eth);
+    
+    /* Bind the HTTP port (TCP 80) to the server */
+    srv.bind(eth.get_ip_address(), 80);
+    
+    /* Can handle 5 simultaneous connections */
+    srv.listen(5);
+    
+    while (true) {
+        
+        TCPSocket clt_sock;      //Socket for communication
+        using namespace std;
+        //Block and wait on an incoming connection
+        srv.accept(&clt_sock, &clt_addr);
+        //printf("accept %s:%d\n\r", clt_addr.get_ip_address(), clt_addr.get_port());
+        
+        //Uses a C++ string to make it easier to concatinate
+        string response;
+        string strL = "LDR:";
+        string strP = ",  Pressure(mBar): ";
+        string strT = ",  Temp(C): ";
+        //This is a C string
+        char l_str[64];
+        char p_str[64];
+        char t_str[64];
+        
+        //Read the LDR value
+        dataLock.lock();
+        float L = LDR ;
+        float T = TEMP;
+        float P = PRES;
+        dataLock.unlock();
+        
+        //Convert to a C String
+        sprintf(l_str, "%1.3f", L );
+        sprintf(t_str, "%2.2f", T);
+        sprintf(p_str, "%4.2f", P);
+        
+        
+        //Build the C++ string response
+        response = HTTP_MESSAGE_BODY1;
+       // response += strL;
+        response += l_str;
+        response += strT;
+        response += t_str;
+        response += strP;
+        response += p_str;
+        response += HTTP_MESSAGE_BODY2;
+        
+        //Send static HTML response (as a C string)
+        clt_sock.send(response.c_str(), response.size()+6);  
+          
+    }
+}
+/*---------------------------POST--------------------------------------------*/
 void POST () {
     
     pc.printf(" ALL Leds should be flashing\n\r");
@@ -476,144 +644,6 @@
     lcd.RowSelect(2);
     lcd.Write("******TEST******");
     wait(1);
-    lcd.Clear();    
+    lcd.Clear();
+    pc.printf("Basic POST Pass\n\r");    
 }
-
-void writeRemove_SD() {
-    
-    while(1) {
-        Thread::signal_wait(USER_BUTTON_PRESSED); //wait for debounce signal
-        pc.printf("Initalising SD Card\n\r");
-        
-        //check init
-        if (sd.init() != 0) {
-            pc.printf("******SD Initialise FAIL*******\n\r");
-        }
-        
-        // Create Filing system for SD Card
-        FATFileSystem fs("sd", &sd);
-        
-        //OpenFiles to write/append to
-        pc.printf("Writing to SDC\n\r");
-        
-        FILE* fp = fopen("/sd/TheChamberOfSecrets.txt", "w"); //"w" to overwrite file ftb
-        
-        // Check for error in opening file
-        if (fp == NULL) {
-            pc.printf("*****ERROR - Could not open file for write*****\n\r");
-        }
-         //HERE IS WHERE TO PRINT DATA TO SD CARD FROM BUFFER (REMEMBER TO EMPTY BUFFER???)
-         //Lock data buffer
-        DataBuffer.lock();
-        dataLock.lock();
-        //Print all samples to SD
-        for(int n=data_t; n<=MAX_SAMPLES; n++){
-             fputs(data_buffer[n], fp);
-             fprintf(fp, "\n\r");
-            }
-            if(data_t>data_h){
-                for(int n=0; n<=(data_t-1); n++){
-                    fputs(data_buffer[n], fp);
-                    
-                }
-            }
-            
-            //Lock data buffer
-            DataBuffer.unlock();
-            dataLock.unlock();
-        //fprintf(fp, "dd/mm/yy hh:mm:ss, TEMPERATURE, PRESSURE, LIGHT\n\r");
-        
-        fclose(fp); 
-        
-        pc.printf("Write Sucessful!\n\r");
-        
-        sd.deinit();
-        pc.printf("SD Card Ready to Remove\n\r");
-        Green_ext = 1;
-        Thread::wait(500);
-        Green_ext = 0;
-        Thread::wait(500);
-        Green_ext = 1;
-        Thread::wait(500);
-        Green_ext = 0;
-        Thread::wait(500);
-        Green_ext = 1;
-        Thread::wait(500);
-        Green_ext = 0;
-        Thread::wait(500);
-        Green_ext = 1;
-        Thread::wait(500);
-        Green_ext = 0;
-        Thread::wait(500);
-    }// End While
-}// End Thread
-
-void Network1 () {
-    
-    printf("Basic HTTP server example\n");
-    
-    //Configure an ethernet connection
-    EthernetInterface eth;
-    eth.set_network(IP, NETMASK, GATEWAY);
-    eth.connect();
-    printf("The target IP address is '%s'\n", eth.get_ip_address());
-    
-    //Now setup a web server
-    TCPServer srv;           //TCP/IP Server
-    
-    SocketAddress clt_addr;  //Address of incoming connection
-    
-    /* Open the server on ethernet stack */
-    srv.open(&eth);
-    
-    /* Bind the HTTP port (TCP 80) to the server */
-    srv.bind(eth.get_ip_address(), 80);
-    
-    /* Can handle 5 simultaneous connections */
-    srv.listen(5);
-    
-    while (true) {
-        
-        TCPSocket clt_sock;      //Socket for communication
-        using namespace std;
-        //Block and wait on an incoming connection
-        srv.accept(&clt_sock, &clt_addr);
-        printf("accept %s:%d\n\r", clt_addr.get_ip_address(), clt_addr.get_port());
-        
-        //Uses a C++ string to make it easier to concatinate
-        string response;
-        string strL = "LDR:";
-        string strP = ", Pressure(mBar): ";
-        string strT = ",  Temp(C): ";
-        //This is a C string
-        char l_str[64];
-        char p_str[64];
-        char t_str[64];
-        
-        //Read the LDR value
-        dataLock.lock();
-        float L = LDR ;
-        float T = TEMP;
-        float P = PRES;
-        dataLock.unlock();
-        
-        //Convert to a C String
-        sprintf(l_str, "%1.3f", L );
-        sprintf(t_str, "%2.2f", T);
-        sprintf(p_str, "%4.2f", P);
-        
-        
-        //Build the C++ string response
-        response = HTTP_MESSAGE_BODY1;
-       // response += strL;
-        response += l_str;
-        response += strT;
-        response += t_str;
-        response += strP;
-        response += p_str;
-        response += HTTP_MESSAGE_BODY2;
-        
-        //Send static HTML response (as a C string)
-        clt_sock.send(response.c_str(), response.size()+6);    
-    }
-}

--- a/main.h	Sat Dec 30 15:12:09 2017 +0000
+++ b/main.h	Sat Dec 30 18:55:22 2017 +0000
@@ -65,6 +65,7 @@
 /* Configure Digital In Switches */
 extern DigitalIn SW_L (PE_12);
 extern DigitalIn SW_R (PE_14);
+extern DigitalIn sdIn (PE_10);
 //extern DigitalIn SW_B (USER_BUTTON); //defined as interrupt now for SD
 /* Configure Analogue Pins  */
 /* Analogue IN */