Sampling, Timestamp storage

Dependencies:   SDFileSystem mbed

Revision:
0:79ed1a99225f
Child:
1:8e8aa4dc0788
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DNDDemoCode161114.cpp	Sun Nov 16 12:23:22 2014 +0000
@@ -0,0 +1,329 @@
+#include "mbed.h"
+#include "SDFileSystem.h"
+
+#define freq 1
+#define time_interval_sec 30
+
+#define dur_sec 1
+Ticker int1;
+Ticker int2;
+Ticker int3;
+Ticker int4;
+
+Serial pc(USBTX, USBRX);
+Serial gsm(D1, D0); //tx,rx
+DigitalOut dtr(D2);
+DigitalOut pwr_key(D3);
+SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS
+AnalogIn AC_input(A0);
+AnalogIn DC_input(A2);
+AnalogIn TC_RLY(A3);
+AnalogIn TC_50(A4);
+AnalogIn TC_33(A5);
+
+
+union Data
+    {
+    unsigned short datai[50000];
+    char datac[100000];
+    };
+union Data ACdata;
+union Data DCdata;
+
+union Temp
+    {
+    unsigned short tempi;
+    char tempc;
+    };
+char sitename[100] ="MOD2";
+char filename[100] = "";
+char timestamp[100]="";
+char timestampold[100]="";
+char main_dir[100] ="";
+char month_dir[100]="";
+char date_dir[100] ="";
+char hour_dir[100] ="";
+char pathAC[100]   ="";
+char pathDC[100]   ="";
+char pathTC[100]   ="";
+char response[100] ="";
+char command[100] ="";
+char result[100] ="";
+char FTP_File_Name[100] ="";
+char FTPPUT_File_Name[100] ="";
+char FTP_Path_Name[100] ="";
+
+int dateu = 0;
+int datet = 0;
+int monthu = 0;
+int montht = 0;
+int year = 0;
+int houru = 0;
+int hourt = 0;
+int minuteu = 0;
+int minutet = 0;
+int secondu = 0;
+int secondt = 0;
+
+int time_stamp = 0;
+int temp = 0;
+int ftp_update_flag = 1;
+int data_update_flag = 1;
+int name_update_flag = 1;
+int c,i;
+
+unsigned long var = 0;
+unsigned long currentMillis = 0;
+uint8_t x=0,z=0,  answer=0;
+
+time_t previous;
+float tempC;
+uint32_t dataLength = dur_sec*freq*1000;
+unsigned long j=0;
+
+
+//----------------------------------------------------------------------------------------------------------------------------------
+
+int8_t sendATcommandclk(char* ATcommand, char* expected_answer, unsigned int timeout)
+{
+    uint8_t x=0,answer=0;//x=0 and answer=0, if not put, AT+CCLK?\r is not executed
+    char response[100];
+    memset(response, '\0', 100);    // Initialize the string
+    wait_ms(100);
+    while( gsm.readable() > 0) gsm.getc();    // Clean the input buffer
+    gsm.printf("%s \r", ATcommand);    // Send the AT command 
+    pc.printf("..@");
+    x = 0;
+    previous = time(NULL);
+    
+    // this loop waits for the answer
+    do{ 
+        if(gsm.readable() != 0){    
+            
+            // if there are data in the UART input buffer, reads it and checks for the asnwer
+          
+            response[x] = gsm.getc();
+            pc.putc(response[x]);
+            x++;
+            sprintf(timestamp,response);//copies response to timestamp for further processing
+            
+            // check if the desired answer  is in the response of the module
+            if (strstr(response, expected_answer) != NULL)    
+            {
+            answer = 1;
+            } 
+        }
+  
+         // Waits for the asnwer with time out
+    }while((answer == 0) && ((time(NULL) - previous) < timeout));
+    //pc.printf("%s \r\n",response);  
+    FILE *fp=fopen("/sd/TeraTerm.txt","a");
+        if(fp == NULL)
+        {
+        error("Could not open file for write\n\r");
+        }
+        fprintf(fp,"%s",response);
+        fclose(fp);
+      return answer;
+}
+
+//----------------------------------------------------------------------------------------------------------------------------------
+    
+void GetFileDir()
+{
+    
+    sendATcommandclk("AT+CCLK?\r", "OK", 5);  
+    sprintf(response,timestamp);
+    x=20;
+    int gsmerr;
+    year = 10*(timestamp[x+1]-48) + (timestamp[x+2]-48);
+    while(year!=14)
+    {
+    wait(1);
+        GetFileDir();
+        pc.printf("\r\ncurrent timestamp %s\r\n",timestamp);
+        
+    }
+    sprintf(timestampold,response);
+    pc.printf("\r\nold time stamp is%s\r\n",timestampold);
+    //month onwards all parameters are processed in both 'unit' and 'ten' position separately, else for numbers<10, only unit digit is printed e.g 09 is shown as 9 only
+    montht = (timestamp[x+4]-48); 
+    monthu = (timestamp[x+5]-48);
+    datet = (timestamp[x+7]-48);
+    dateu = (timestamp[x+8]-48);
+    hourt = (timestamp[x+10]-48);
+    houru = (timestamp[x+11]-48);
+    minutet = (timestamp[x+13]-48); 
+    minuteu = (timestamp[x+14]-48);
+    secondt = (timestamp[x+16]-48);
+    secondu = (timestamp[x+17]-48); 
+    sprintf(main_dir,"/sd/%s",sitename);
+    sprintf(month_dir,"%s/%s%d%d%d",main_dir,sitename,year,montht,monthu);
+    sprintf(date_dir,"%s/%s%d%d%d%d%d",month_dir,sitename,year,montht,monthu,datet,dateu);
+    sprintf(hour_dir,"%s/%s%d%d%d%d%d%d%d",date_dir,sitename,year,montht,monthu,datet,dateu,hourt,houru);
+    if(timestamp==timestampold)
+    {
+    sprintf(filename,"%s/%s%d%d%d%d%d%d%d%d%d%d%dErr%d",hour_dir,sitename,year,montht,monthu,datet,dateu,hourt,houru,minutet,minuteu,secondt,secondu,gsmerr);
+    gsmerr++;
+    }
+    else
+    {
+    sprintf(filename,"%s/%s%d%d%d%d%d%d%d%d%d%d%d",hour_dir,sitename,year,montht,monthu,datet,dateu,hourt,houru,minutet,minuteu,secondt,secondu);
+    gsmerr=0;
+    }
+    mkdir(main_dir,0777);
+    mkdir(month_dir,0777);
+    mkdir(date_dir,0777);
+    mkdir(hour_dir,0777);
+    
+    //pc.printf("dir are\r\nmain_dir\t%s\r\nmonth_dir\t%s\r\ndate_dir\t%s\r\nhour_dir\t%s\r\nfilename\t%s\r\n",main_dir,month_dir,date_dir,hour_dir,filename);   
+}
+
+//-------------------------------------------------------------------------------------------------------------------------------------
+
+void temp_val()
+{
+union Temp TC33temp;
+union Temp TC50temp;
+union Temp TCRLtemp;
+
+TC33temp.tempi=TC_33.read_u16();
+TC50temp.tempi=TC_50.read_u16();
+TCRLtemp.tempi=TC_RLY.read_u16();
+
+
+GetFileDir();
+
+sprintf(pathTC,"%sTC.txt",hour_dir);
+pc.printf("\r\nFilename-TC\t%s", pathTC);
+FILE *fp = fopen(pathTC, "a");
+    
+if(fp == NULL)
+    {
+    error("Could not open file for write\n\r");
+    }
+    
+fprintf(fp, "\r\n20%d/%d%d/%d%d-%d%d:%d%d:%d%d",year,montht,monthu,datet,dateu,hourt,houru,minutet,minuteu,secondt,secondu);
+fprintf(fp, "\r\n3.3V-%d C",TC33temp.tempi );  
+fprintf(fp, "\r\n5.0V-%d C",TC50temp.tempi );  
+fprintf(fp, "\r\nRlay-%d C",TCRLtemp.tempi );           
+fprintf(fp, ",");
+fclose(fp);
+pc.printf("\r\n3.3V temp - %c C\t%d",TC33temp.tempc,TC33temp.tempi );  
+pc.printf("\r\n5.0V temp - %c C\t%d",TC50temp.tempc,TC50temp.tempi);  
+pc.printf("\r\nRly temp - %c C\t%d",TCRLtemp.tempc,TCRLtemp.tempi );    
+FILE *fp1=fopen("/sd/TeraTerm.txt","a");
+    if(fp1 == NULL)
+    {
+    error("Could not open file for write\n\r");
+    }
+    fprintf(fp1,"\r\nTemperature writing Done\n\r");
+    fclose(fp1);
+pc.printf("\n\rWriting Temp done \n \r"); 
+ 
+}
+
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+void calculate_ADC()
+{
+
+    Timer t;
+    
+    pc.printf("\n\rStarting Reading \n\r");
+    t.start();
+    while(j<dataLength)
+    {        
+        if((int)(t.read()*100*freq*1000)%100 == 0)
+        {
+            ACdata.datai[j] = AC_input.read_u16();
+            DCdata.datai[j] = DC_input.read_u16();
+            ++j;
+        }
+    }
+    
+    t.stop();
+    pc.printf("Time Taken %f \n\r", t.read());
+    t.reset();
+    pc.printf("Total Samples %d\r\n",j);
+    j=0;
+    
+    GetFileDir();
+    
+    sprintf(pathAC,"%sAC.txt",filename);
+    pc.printf("\r\nFilename-AC\t%s", pathAC);
+    FILE *fp = fopen(pathAC, "w");
+        if(fp == NULL)
+        {
+        error("Could not open file for write\n\r");
+        }
+    for(unsigned long k=0; k<dataLength; ++k)
+        {
+            if (k%4==0)
+                {
+                    fprintf(fp,"\n\n");
+                }
+            fprintf(fp, "%c%c", ACdata.datac[k]);
+        }
+    fprintf(fp, ",");
+    fclose(fp);
+    
+    sprintf(pathDC,"%sDC.txt",filename);
+    FILE *fp1 = fopen(pathDC, "w");
+        if(fp1 == NULL)
+        {
+        error("Could not open file for write\n\r");
+        }
+
+    for(unsigned long k=0; k<dataLength; ++k)
+        {
+            if (k%4==0)
+                {
+                    fprintf(fp,"\n\n");
+                }
+
+            fprintf(fp1, "%c%c", DCdata.datac[k]);
+        }
+    fprintf(fp1, ",");
+    fclose(fp1);
+    FILE *fp2=fopen("/sd/TeraTerm.txt","a");
+        if(fp2 == NULL)
+        {
+        error("Could not open file for write\n\r");
+        }
+    fprintf(fp2,"\r\nSamples writing Done\n\r");
+    fclose(fp2);
+    pc.printf("Writing Samples done \n \r");
+        
+}
+
+//---------------------------------------------------------------------------------------------------------------------------
+
+void reset_mod()
+{
+    pc.printf("\r\nresetting module\n\n\n\r\n");
+    
+    NVIC_SystemReset();     
+}
+
+//---------------------------------------------------------------------------------------------------------------------------
+int main()
+{
+    mkdir("/sd/strtup", 0777);
+    FILE *fp=fopen("/sd/TeraTerm.txt","a");
+        if(fp == NULL)
+        {
+        error("Could not open file for write\n\r");
+        }
+        fprintf(fp,"\nHello-Module\r\n");
+        fclose(fp);
+    
+   
+    pc.printf("Hello\r\n");
+    wait(2);
+    
+    int1.attach(&temp_val,10);
+    int2.attach(&calculate_ADC,179); 
+    int3.attach(&reset_mod,3601);       
+    
+}
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