Plymouth ELEC351 Group T / Mbed OS ELEC351

Time: 17:33 Date: 10/12/2017 Description: Task 1,7,8 Currently Functioning

Dependencies:   BME280 BMP280 TextLCD

Working Repository

SD_CARD.cpp@50:3d61ca637399, 2018-01-09 (annotated)

Committer:
thomasmorris
Date:
Tue Jan 09 12:19:12 2018 +0000
Revision:
50:3d61ca637399
Parent:
49:d51f96a46cc3 
Dynamic Dating 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 bool SD_Write = 1;
thomasmorris 47:6d128e500875 7 void SD_Init()//Initialised the SD CARD
thomasmorris 47:6d128e500875 8 {
thomasmorris 47:6d128e500875 9
thomasmorris 47:6d128e500875 10 }
thomasmorris 48:244d6d81bb52 11 void SD_Card_Eject()
thomasmorris 49:d51f96a46cc3 12 {/*
thomasmorris 48:244d6d81bb52 13 SD_Write = 0;
thomasmorris 48:244d6d81bb52 14 if(Log_Value==5){pc.printf("Closing File Ejecting SD Card\n");}
thomasmorris 49:d51f96a46cc3 15 //fclose(fp);//Close File
thomasmorris 48:244d6d81bb52 16 sd.deinit();//Close down
thomasmorris 48:244d6d81bb52 17 LCD.Display_Clear();
thomasmorris 48:244d6d81bb52 18 LCD.DDRAM_Address(0x00);
thomasmorris 48:244d6d81bb52 19 LCD.Write_String("SD Card");
thomasmorris 48:244d6d81bb52 20 LCD.DDRAM_Address(0x40);
thomasmorris 48:244d6d81bb52 21 LCD.Write_String("Unmounted");
thomasmorris 48:244d6d81bb52 22 LCD.DDRAM_Address(0x00);
thomasmorris 48:244d6d81bb52 23 pc.printf("SD Card Unmounted\n");
thomasmorris 49:d51f96a46cc3 24 */
thomasmorris 48:244d6d81bb52 25 }
thomasmorris 47:6d128e500875 26 void SD_Card_Write()
thomasmorris 47:6d128e500875 27 {
thomasmorris 48:244d6d81bb52 28 if(SD_Write == 0)
thomasmorris 48:244d6d81bb52 29 {
thomasmorris 48:244d6d81bb52 30 if(Log_Value==5){pc.printf("SD Has Been Ejected Please do a Hardware Restart\n");}
thomasmorris 48:244d6d81bb52 31 return;
thomasmorris 48:244d6d81bb52 32 }
thomasmorris 47:6d128e500875 33 if(Write_Pointer == mailsize - 1)
thomasmorris 47:6d128e500875 34 {
thomasmorris 48:244d6d81bb52 35 if(Log_Value==5){pc.printf("In SD_Card Thread\n");}
thomasmorris 50:3d61ca637399 36
thomasmorris 50:3d61ca637399 37 FATFileSystem fs("sd", &sd);
thomasmorris 50:3d61ca637399 38
thomasmorris 47:6d128e500875 39
thomasmorris 50:3d61ca637399 40 time_t File_Time = Data_Buffer[Write_Pointer - 1].get_time();
thomasmorris 50:3d61ca637399 41 tm* File_Time_Pointer = localtime(&File_Time);
thomasmorris 50:3d61ca637399 42 int File_temp_day = File_Time_Pointer->tm_mday;
thomasmorris 50:3d61ca637399 43 int File_temp_month = (File_Time_Pointer->tm_mon+1);//Set to current month
thomasmorris 50:3d61ca637399 44 int File_temp_year = (File_Time_Pointer->tm_year+1900);//Set to current year
thomasmorris 50:3d61ca637399 45
thomasmorris 50:3d61ca637399 46 char FileToOpen[50] = {};
thomasmorris 50:3d61ca637399 47 snprintf (FileToOpen, sizeof(char) * sizeof(FileToOpen), "/sd/%d_%02d_%02d.csv",File_temp_year,File_temp_month,File_temp_day);
thomasmorris 50:3d61ca637399 48
thomasmorris 50:3d61ca637399 49 fp = fopen(FileToOpen,"wb");
thomasmorris 49:d51f96a46cc3 50 if (fp == NULL)
thomasmorris 49:d51f96a46cc3 51 {
thomasmorris 50:3d61ca637399 52 error("Could not open file for write in SD_Card\n");
thomasmorris 50:3d61ca637399 53 LCD.Display_Clear();
thomasmorris 50:3d61ca637399 54 LCD.Write_String("CANNOT OPEN FILE");
thomasmorris 50:3d61ca637399 55 errorCode(FATAL);
thomasmorris 50:3d61ca637399 56 } //Open to WRITE
thomasmorris 50:3d61ca637399 57
thomasmorris 48:244d6d81bb52 58 if(Log_Value==5){pc.printf("File Opened\n");}
thomasmorris 47:6d128e500875 59
thomasmorris 47:6d128e500875 60 for(int SD_Card_Data_Pointer = 0; SD_Card_Data_Pointer != mailsize; SD_Card_Data_Pointer++)
thomasmorris 47:6d128e500875 61 {
thomasmorris 49:d51f96a46cc3 62 if(Log_Value==5){pc.printf("Copying from address: %d\n", SD_Card_Data_Pointer);}
thomasmorris 49:d51f96a46cc3 63
thomasmorris 49:d51f96a46cc3 64 //ofstream outfile ("Hello Tom.txt");
thomasmorris 47:6d128e500875 65 time_t Time = Data_Buffer[SD_Card_Data_Pointer].get_time();
thomasmorris 47:6d128e500875 66 tm* Time_Pointer = localtime(&Time);
thomasmorris 47:6d128e500875 67 int temp_day = Time_Pointer->tm_mday;
thomasmorris 47:6d128e500875 68 int temp_month = (Time_Pointer->tm_mon+1);//Set to current month
thomasmorris 47:6d128e500875 69 int temp_year = (Time_Pointer->tm_year+1900);//Set to current year
thomasmorris 47:6d128e500875 70
thomasmorris 49:d51f96a46cc3 71 int temp_hours = Time_Pointer->tm_hour;
thomasmorris 47:6d128e500875 72 int temp_minute = Time_Pointer->tm_min;
thomasmorris 47:6d128e500875 73 int temp_seconds = Time_Pointer->tm_sec;
thomasmorris 47:6d128e500875 74
thomasmorris 47:6d128e500875 75 float temp_temperature = Data_Buffer[SD_Card_Data_Pointer].get_temperature();
thomasmorris 47:6d128e500875 76 float temp_pressure = Data_Buffer[SD_Card_Data_Pointer].get_pressure();
thomasmorris 47:6d128e500875 77 float temp_light = Data_Buffer[SD_Card_Data_Pointer].get_light();
thomasmorris 47:6d128e500875 78
thomasmorris 50:3d61ca637399 79
thomasmorris 47:6d128e500875 80 fprintf(fp, "Date: %02d/%02d/%d,",temp_day,temp_month,temp_year);//Date
thomasmorris 47:6d128e500875 81 fprintf(fp, "Time: %02d:%02d:%02d,",temp_hours,temp_minute, temp_seconds);//Time
thomasmorris 47:6d128e500875 82 fprintf(fp, "Temperature: %1.1f,",temp_temperature);//Temperature
thomasmorris 47:6d128e500875 83 fprintf(fp, "Pressure: %1.1f,",temp_pressure);//Pressure
thomasmorris 47:6d128e500875 84 fprintf(fp, "Light: %5.3f,",temp_light);//Light
thomasmorris 47:6d128e500875 85 fprintf(fp, "End of Data \n");//End of data
thomasmorris 47:6d128e500875 86 }
thomasmorris 50:3d61ca637399 87
thomasmorris 47:6d128e500875 88 //Close File
thomasmorris 47:6d128e500875 89 fclose(fp);
thomasmorris 50:3d61ca637399 90 if(Log_Value==5){pc.printf("Dumped data to SD Card\n");}
thomasmorris 50:3d61ca637399 91
thomasmorris 47:6d128e500875 92 }
thomasmorris 47:6d128e500875 93 }
thomasmorris 49:d51f96a46cc3 94