fatfs_read_corruption.cpp

fatfs_read_corruption.cpp

#include <stdio.h>
#include <string.h>
#include "daisy_pod.h"
#include "fatfs.h"

#define TEST_FILE_NAME "/output.bin"
// #define TEST_FILE_NAME "/samples/100_A_PrismSynth_01_850.wav"
// #define TEST_FILE_NAME "/samples/125_FirefightDrums_850.wav"

using namespace daisy;

static DaisyPod hw;
SdmmcHandler    sd;
FatFSInterface  fsi;
FIL             SDFile;

static DSY_SDRAM_BSS char inbuff[2048];

int main(void)
{
    // Vars and buffs.
    size_t byteswritten;

    // auto f_offset = 654;
    auto f_offset = 843;
    auto length   = 1321; // 881 is the last size without corruption.

    // Init hardware
    hw.Init();

    hw.seed.StartLog(true);

    // Init SD Card
    SdmmcHandler::Config sd_cfg;
    sd_cfg.Defaults();
    sd.Init(sd_cfg);

    fsi.Init(FatFSInterface::Config::MEDIA_SD);
    f_mount(&fsi.GetSDFileSystem(), "/", 1);

    if(f_open(&SDFile, TEST_FILE_NAME, FA_READ) == FR_OK)
    {
        f_lseek(&SDFile, f_offset);
        f_read(&SDFile, inbuff, length, &byteswritten);
        f_close(&SDFile);
    }

    hw.seed.PrintLine("Starting from offset: %d", f_offset);

    for(size_t i = 0; i < byteswritten; i++)
    {
        hw.seed.Print("%x ", inbuff[i]);
    }

    while(1)
    {
        //
    }
}