File content as of revision 53:1c61cadbcb35:

#include "sdcard.h"
#include <stdio.h>
#include <string.h>

Timer timer;

DigitalIn button(PC_13, PullUp);

SDFileSystem sd(PA_7, PA_6, PA_5, PB_6, "sd", PA_8, SDFileSystem::SWITCH_NONE, 25000000);
char buffer[4096];

void writeTest()
{
    //Test write performance by creating a 1MB file
    printf("Testing %iB write performance...", sizeof(buffer));
    FileHandle* file = sd.open("Test File.bin", O_WRONLY | O_CREAT | O_TRUNC);
    if (file != NULL) {
        timer.start();
        for (int i = 0; i < (1048576 / sizeof(buffer)); i++) {
            if (file->write(buffer, sizeof(buffer)) != sizeof(buffer)) {
                timer.stop();
                printf("write error!\n\r");
                timer.reset();
                return;
            }
        }
        timer.stop();
        if (file->close())
            printf("failed to close file!\n\r");
        else
            printf("done!\n\r\tResult: %.2fKB/s\n\r", 1024 / (timer.read_us() / 1000000.0));
        timer.reset();
    } else {
        printf("failed to create file!\n\r");
    }
}

void readTest()
{
    //Test read performance by reading the 1MB file created by writeTest()
    printf("Testing %iB read performance...", sizeof(buffer));
    FileHandle* file = sd.open("Test File.bin", O_RDONLY);
    if (file != NULL) {
        timer.start();
        int iterations = 0;
        while (file->read(buffer, sizeof(buffer)) == sizeof(buffer))
            iterations++;
        timer.stop();
        if (iterations != (1048576 / sizeof(buffer)))
            printf("read error!\n\r");
        else if (file->close())
            printf("failed to close file!\n\r");
        else if (sd.remove("Test File.bin"))
            printf("failed to delete file!\n\r");
        else
            printf("done!\n\r\tResult: %.2fKB/s\n\r", 1024 / (timer.read_us() / 1000000.0));
        timer.reset();
    } else {
        printf("failed to open file!\n\r");
    }
}

void testSd()
{
    //Configure CRC, large frames, and write validation
    sd.crc(true);
    sd.large_frames(true);
    sd.write_validation(true);

    //Fill the buffer with random data for the write test
    srand(time(NULL));
    for (int i = 0; i < sizeof(buffer); i++)
        buffer[i] = rand();


    //Print the start message
    printf("\n\rStarting SD Card test application:");


    //Make sure a card is present
    if (!sd.card_present()) {
        printf("\n\rNo card present!\n\r");
    }

    //Try to mount the SD card
    printf("\n\rMounting SD card...");
    if (sd.mount() != 0) {
        printf("failed!\n\r");
    }
    printf("success!\n\r");

    //Display the card type
    printf("\tCard type: ");
    SDFileSystem::CardType cardType = sd.card_type();
    if (cardType == SDFileSystem::CARD_NONE)
        printf("None\n\r");
    else if (cardType == SDFileSystem::CARD_MMC)
        printf("MMC\n\r");
    else if (cardType == SDFileSystem::CARD_SD)
        printf("SD\n\r");
    else if (cardType == SDFileSystem::CARD_SDHC)
        printf("SDHC\n\r");
    else
        printf("Unknown\n\r");

    //Display the card capacity
    printf("\tSectors: %u\n\r", sd.disk_sectors());
    printf("\tCapacity: %.1fMB\n\r", sd.disk_sectors() / 2048.0);

    /*//Format the card
    printf("Formatting SD card...");
    if (sd.format() != 0) {
        printf("failed!\n\r");
        continue;
    }
    printf("success!\n\r");*/

    //Perform a read/write test
    writeTest();
    readTest();



    printf("write to SD card on a txt file:\n\r");
    printf("\tHello World!\n\r");

    FILE *fp = fopen("/sd/medication/sdtest.txt", "a");
    if(fp == NULL) {
        printf("\tCould not open file for write\n\r");
    } else {
        printf("\tfile opened\n\r");
    }

    fprintf(fp, "Hello fun SD Card World!\n\r");
    fclose(fp);

    printf("\tText written to SD card\n\r");
    printf("\tGoodbye World!\r\n");

    //Unmount the SD card
    sd.unmount();
}

s_user readMedication(int user)
{
    s_user userfile;
    userfile.valid = false;
    char filepath[] = "/sd/medication/medicationUser2.txt";
    if(user==0) {
        strcpy(filepath, "/sd/medication/medicationUser1.txt");
    }

    //Configure CRC, large frames, and write validation
    sd.crc(true);
    sd.large_frames(true);
    sd.write_validation(true);

    //mount SD card
    printf("\n\rMounting SD card...");
    if (sd.mount() != 0) {
        printf("failed!\n\r");
        return userfile;
    }
    printf("success!\n\r");

    //open file for read
    printf("open file %s...",filepath);
    FILE *fp = fopen(filepath, "r");
    if(fp == NULL) {
        printf("failed!\n\r");
        return userfile;
    }
    printf("success!\n\r");

    char string[STR_LEN];
    int linecounter = 1;
    while (fgets(string, STR_LEN, fp) != NULL) {

        switch (linecounter) {
            case 1:
                printf("Reading Line 1...");
                userfile.side = atoi(strtok(string, TOKEN));
                strcpy(userfile.firstName, strtok(NULL, TOKEN));
                strcpy(userfile.secondName, strtok(NULL, TOKEN));
                printf("done!\r\n");
                printf("\tside:\t\t%d \n\r\tFirst Name:\t%s \n\r\tLast Name:\t%s \n\r",userfile.side, userfile.firstName,userfile.secondName);
                break;
            case 2:
                printf("Reading Line 2...");
                int mo = atoi(strtok(string, TOKEN));
                int lu = atoi(strtok(NULL, TOKEN));
                int di = atoi(strtok(NULL, TOKEN));
                int ev = atoi(strtok(NULL, TOKEN));
                printf("done!\r\n");
                printf("\tMedication for Monday:\r\n\tmorning:\t%06d\r\n\tlunch:\t\t%06d\r\n\tdinner:\t\t%06d\r\n\tevening:\t%06d\r\n",mo,lu,di,ev);
                break;
            default:
                break;
        }
        linecounter++;
    }
    userfile.valid = true;
    return userfile;
}