Sampling, Timestamp storage
Dependencies: SDFileSystem mbed
Diff: DNDDemoCode161114.cpp
- 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); + +} \ No newline at end of file