testflash.c

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#include <stdio.h>
#include <stdlib.h>



int main(int argc, char *argv[])
{
    int i;
    char *p;
    char *name;
    int wf = 0;
    int rf = 0;
    int size = 0;
    int count = 0;
    int errors = 0;
    FILE *FP;
    unsigned int *buffer;

    for(i=1;i<argc;++i)
    {
        p = argv[i];
        if(p == NULL)
            break;
        if(*p == '-')
        {
            ++p;
            if(*p == 'w')
            {
                name = argv[++i];
                wf = 1;
                continue;
            }
            if(*p == 'r')
            {
                name = argv[++i];
                rf = 1;
                continue;
            }
            if(*p == 's')
            {
                ++p;
                if(*p)
                    size = strtol(p, NULL,16);
                else
                    size = strtol(argv[++i], NULL,16);
                continue;
            }
        }
    }

    if(!size || (!rf && !wf))
    {
        fprintf(stderr,"Usage: %s [-w filename ]|[-r filename] -s size\n", argv[0]);
        exit(1);
    }

    buffer = (unsigned int *) calloc(size,1);
    if(!buffer)
    {
        fprintf(stderr,"Can not alocate %d bytes\n", size);
        exit(1);
    }

    if(wf)
    {
        FP = fopen(name,"w");
        if(!FP)
        {
            fprintf(stderr,"Can not open %s for writting\n", name);
            free((void *) buffer);
            exit(1);
        }
        for(i=0;i<size/4;++i)
        {
            buffer[i] = i;
        }
        count = fwrite(buffer, 1, size,FP);
        fclose(FP);
        free((void *) buffer);
        if(count != size)
        {
            fprintf(stderr,"wrote:%08x bytes, expected:%08x bytes\n", count, size);
        }
    }
    if(rf)
    {
        FP = fopen(name,"r");
        if(!FP)
        {
            fprintf(stderr,"Can not open %s for writting\n", name);
            free((void *) buffer);
            exit(1);
        }
        count = fread(buffer, 1, size,FP);
        fclose(FP);
        if(count != size)
        {
            fprintf(stderr,"read:%08x bytes, expected:%08x bytes\n", count, size);
            free((void *) buffer);
            exit(1);
        }
        for(i=0;i<size/4;++i)
        {
            if(buffer[i] != i) 
            {
                fprintf(stderr,"addr:%08x, expected:%08x, got:%08x\n",
                    i * 4, i, buffer[i]);
                ++errors;
            }
        }
        free((void *) buffer);
    }
    if(errors)
        printf("%d errors\n",errors);
    else
        printf("No errors\n");
    return(errors);
}