stx.cpp

00001 /*   ELEC351 COURSEWORK 2018 
00002 DESIGNED USING MBED ONLINE COMPILER IMPORTED TO KEIL
00003 LIAM GRAZIER // DOUG TILLEY // ALEX BARON 
00004  */
00005 #include "mbed.h"
00006 #include "stx.hpp"
00007 #include "components.hpp"
00008 Mutex Sx; //mutex lock for serial tx (Sx) Thread
00009 char buffer[255]; //buffer used for storing scanf data from serial rx
00010 int empty = 0; //empty flag
00011 void welcomemsg(void) //function for welcome msg for the main.
00012 {
00013     printf("WELCOME TO ELEC351 ENVIRONMENTAL SERIAL INTERFACE\n\rFOR ASSISTANCE TYPE HELP\n\r"); //msg that is printed
00014 }
00015 void datain(void) //function for scaning the serial rx input and writing to the Char Buffer 
00016 {
00017     if(empty == 0)
00018     {
00019         Sx.lock(); //locks to protect the scan
00020         scanf("%s", &buffer);
00021         Sx.unlock();
00022     }
00023 }
00024 void printcommandlist() //function for printing the command list to the terminal
00025 {
00026     Sx.lock();
00027     printf("Command List:\n\r READALL\n\r DELETEALL\n\r SETDATE\n\r DISPLAYTIME\n\r SETTIME\n\r SETT\n\r STATEON(Sampling State)\n\r STATEOFF(Sampling State)\n\r LOGGINGON\n\r LOGGINGOFF\n\r COMMANDLIST\n\r" );
00028     Sx.unlock();
00029 }
00030 void readdata() //function for deciding what to do with the data in the buffer
00031 {
00032     if (buffer != "")
00033     {
00034         if (strstr(buffer, "READALL"))
00035         {
00036             printf("COMMAND NOT AVAILABLE\n\r");//command not coded yet
00037         }
00038         else if(strstr(buffer, "COMMANDLIST")) //prints command list to terminal
00039         {
00040             printcommandlist();   
00041         }
00042         else if(strstr(buffer, "DISPLAYTIME")) //displays current RTC time via command 
00043         {
00044             DispTime();  
00045         }
00046         else if(strstr(buffer, "HELP")) //calls help command 
00047         {
00048             help();   
00049         }
00050         else if(strstr(buffer, "DELETEALL"))//calls delete all records (working)
00051         {
00052             deletealldata();
00053         }
00054         else if(strstr(buffer, "SETDATE")) //calls set date function (working)
00055         {
00056             rundate();
00057         }
00058         else if(strstr(buffer, "SETTIME")) //calls set time function (WORKING)
00059         {
00060             runtime();
00061         }
00062         else if(strstr(buffer, "SETT"))
00063         {
00064             printf("ENTER SAMPLING RATE RANGLE 0.1<T<60\n\r");
00065             printf("COMMAND NOT AVAILABLE\n\r"); //command not coded yet
00066         }
00067         else if(strstr(buffer, "STATEON"))
00068         {
00069             printf("COMMAND NOT AVAILABLE\n\r"); //command not coded yet
00070         }
00071             else if(strstr(buffer, "STATEOFF"))
00072         {
00073             printf("COMMAND NOT AVAILABLE\n\r"); //command not coded yet
00074         }
00075         else if(strstr(buffer, "LOGGINGON"))
00076         {
00077             printf("IF YOU ARE SEEING THIS, NO ISSUES"); //command not coded yet, just a bit of a joke
00078         }
00079         else if(strstr(buffer, "LOGGINGOFF"))
00080         {
00081             printf("COMMAND NOT AVAILABLE\n\r"); //command not coded yet
00082         }
00083         else
00084         {
00085             printf("UNRECOGNISED\n\r"); //returns unrecognised for all comments not matching criteria above
00086         }
00087     }
00088 }
00089 void help() //help command 
00090 {
00091     printf("HELP: \n\rFOR COMMAND LIST, type COMMANDLIST\n\r"); //prints this statement when HELP is typed
00092 }    
00093 void readalldata() //command not coded (placeholder for code to be called from
00094 {
00095     printf("read all data\n\r");
00096 } 
00097 void deletealldata()//commadn for wiping the SD (WORKING)
00098 {
00099     sdwipe();
00100 }
00101 void setT()//command not coded (placeholder for code to be called from
00102 {
00103     printf("Set Sampling Period 'T'\n\r");
00104 } 
00105 void stateon()//command not coded (placeholder for code to be called from
00106 {
00107     printf("Set Sampling ON\n\r");
00108 } 
00109 void stateoff()//command not coded (placeholder for code to be called from
00110 {
00111     printf("Set Sampling OFF\n\r");
00112 } 
00113 void loggingon()//command not coded (placeholder for code to be called from
00114 {
00115 printf("Logging On\n\r");
00116 } 
00117 void loggingoff() //command not coded (placeholder for code to be called from
00118 {
00119 printf("Logging Off\n\r");
00120 }    
00121 void useseriel()
00122 {
00123     help(); //prints the help command when serial init. (this prints in terminal)
00124     while(true)
00125     {
00126         Thread::signal_wait(SIG_SX); //this signal triggers on ticker from main
00127         datain(); //getdata
00128         readdata(); //readata and decide what to do with it 
00129     }
00130 }