Plymouth ELEC351 Group T / Mbed OS ELEC351_Group_T

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SD_CARD.cpp@49:d51f96a46cc3, 2018-01-09 (annotated)

Committer:
thomasmorris
Date:
Tue Jan 09 11:41:07 2018 +0000
Revision:
49:d51f96a46cc3
Parent:
48:244d6d81bb52
Child:
50:3d61ca637399
SD Card Working;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thomasmorris 47:6d128e500875 1 #include "SD_CARD.hpp"
thomasmorris 48:244d6d81bb52 2 FILE* fp;
thomasmorris 48:244d6d81bb52 3 InterruptIn SD_CARD_DETECT(D0);
thomasmorris 49:d51f96a46cc3 4
thomasmorris 49:d51f96a46cc3 5
thomasmorris 48:244d6d81bb52 6
thomasmorris 48:244d6d81bb52 7 bool SD_Write = 1;
thomasmorris 47:6d128e500875 8 void SD_Init()//Initialised the SD CARD
thomasmorris 47:6d128e500875 9 {
thomasmorris 47:6d128e500875 10
thomasmorris 47:6d128e500875 11 }
thomasmorris 48:244d6d81bb52 12 void SD_Card_Eject()
thomasmorris 49:d51f96a46cc3 13 {/*
thomasmorris 48:244d6d81bb52 14 SD_Write = 0;
thomasmorris 48:244d6d81bb52 15 if(Log_Value==5){pc.printf("Closing File Ejecting SD Card\n");}
thomasmorris 49:d51f96a46cc3 16 //fclose(fp);//Close File
thomasmorris 48:244d6d81bb52 17 sd.deinit();//Close down
thomasmorris 48:244d6d81bb52 18 LCD.Display_Clear();
thomasmorris 48:244d6d81bb52 19 LCD.DDRAM_Address(0x00);
thomasmorris 48:244d6d81bb52 20 LCD.Write_String("SD Card");
thomasmorris 48:244d6d81bb52 21 LCD.DDRAM_Address(0x40);
thomasmorris 48:244d6d81bb52 22 LCD.Write_String("Unmounted");
thomasmorris 48:244d6d81bb52 23 LCD.DDRAM_Address(0x00);
thomasmorris 48:244d6d81bb52 24 pc.printf("SD Card Unmounted\n");
thomasmorris 49:d51f96a46cc3 25 */
thomasmorris 48:244d6d81bb52 26 }
thomasmorris 47:6d128e500875 27 void SD_Card_Write()
thomasmorris 47:6d128e500875 28 {
thomasmorris 48:244d6d81bb52 29 if(SD_Write == 0)
thomasmorris 48:244d6d81bb52 30 {
thomasmorris 48:244d6d81bb52 31 if(Log_Value==5){pc.printf("SD Has Been Ejected Please do a Hardware Restart\n");}
thomasmorris 48:244d6d81bb52 32 return;
thomasmorris 48:244d6d81bb52 33 }
thomasmorris 47:6d128e500875 34 if(Write_Pointer == mailsize - 1)
thomasmorris 47:6d128e500875 35 {
thomasmorris 48:244d6d81bb52 36 if(Log_Value==5){pc.printf("In SD_Card Thread\n");}
thomasmorris 49:d51f96a46cc3 37 //Open to WRITE
thomasmorris 49:d51f96a46cc3 38 FATFileSystem fs("sd", &sd);
thomasmorris 49:d51f96a46cc3 39 fp = fopen("/sd/test.csv","w");
thomasmorris 47:6d128e500875 40
thomasmorris 49:d51f96a46cc3 41 if (fp == NULL)
thomasmorris 49:d51f96a46cc3 42 {
thomasmorris 49:d51f96a46cc3 43 error("Could not open file for write in SD_Card\n");
thomasmorris 49:d51f96a46cc3 44 LCD.Display_Clear();
thomasmorris 49:d51f96a46cc3 45 LCD.Write_String("CANNOT OPEN FILE");
thomasmorris 49:d51f96a46cc3 46 errorCode(FATAL);
thomasmorris 49:d51f96a46cc3 47 }
thomasmorris 49:d51f96a46cc3 48 //FILE* fp = fopen("/sd/hello.csv","w");
thomasmorris 48:244d6d81bb52 49 if(Log_Value==5){pc.printf("File Opened\n");}
thomasmorris 47:6d128e500875 50
thomasmorris 47:6d128e500875 51 for(int SD_Card_Data_Pointer = 0; SD_Card_Data_Pointer != mailsize; SD_Card_Data_Pointer++)
thomasmorris 47:6d128e500875 52 {
thomasmorris 49:d51f96a46cc3 53 if(Log_Value==5){pc.printf("Copying from address: %d\n", SD_Card_Data_Pointer);}
thomasmorris 49:d51f96a46cc3 54
thomasmorris 49:d51f96a46cc3 55 //ofstream outfile ("Hello Tom.txt");
thomasmorris 47:6d128e500875 56 time_t Time = Data_Buffer[SD_Card_Data_Pointer].get_time();
thomasmorris 47:6d128e500875 57 tm* Time_Pointer = localtime(&Time);
thomasmorris 47:6d128e500875 58 int temp_day = Time_Pointer->tm_mday;
thomasmorris 47:6d128e500875 59 int temp_month = (Time_Pointer->tm_mon+1);//Set to current month
thomasmorris 47:6d128e500875 60 int temp_year = (Time_Pointer->tm_year+1900);//Set to current year
thomasmorris 47:6d128e500875 61
thomasmorris 49:d51f96a46cc3 62 int temp_hours = Time_Pointer->tm_hour;
thomasmorris 47:6d128e500875 63 int temp_minute = Time_Pointer->tm_min;
thomasmorris 47:6d128e500875 64 int temp_seconds = Time_Pointer->tm_sec;
thomasmorris 47:6d128e500875 65
thomasmorris 47:6d128e500875 66 float temp_temperature = Data_Buffer[SD_Card_Data_Pointer].get_temperature();
thomasmorris 47:6d128e500875 67 float temp_pressure = Data_Buffer[SD_Card_Data_Pointer].get_pressure();
thomasmorris 47:6d128e500875 68 float temp_light = Data_Buffer[SD_Card_Data_Pointer].get_light();
thomasmorris 47:6d128e500875 69
thomasmorris 47:6d128e500875 70 fprintf(fp, "Date: %02d/%02d/%d,",temp_day,temp_month,temp_year);//Date
thomasmorris 47:6d128e500875 71 fprintf(fp, "Time: %02d:%02d:%02d,",temp_hours,temp_minute, temp_seconds);//Time
thomasmorris 47:6d128e500875 72 fprintf(fp, "Temperature: %1.1f,",temp_temperature);//Temperature
thomasmorris 47:6d128e500875 73 fprintf(fp, "Pressure: %1.1f,",temp_pressure);//Pressure
thomasmorris 47:6d128e500875 74 fprintf(fp, "Light: %5.3f,",temp_light);//Light
thomasmorris 47:6d128e500875 75 fprintf(fp, "End of Data \n");//End of data
thomasmorris 47:6d128e500875 76 }
thomasmorris 48:244d6d81bb52 77 if(Log_Value==5){pc.printf("Dumped data to SD Card\n");}
thomasmorris 47:6d128e500875 78 //Close File
thomasmorris 47:6d128e500875 79 fclose(fp);
thomasmorris 47:6d128e500875 80 }
thomasmorris 47:6d128e500875 81 }
thomasmorris 49:d51f96a46cc3 82