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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
#include <errno.h>
#include "semihosting.h"
#include "stm32f4xx_conf.h"
#include "stm32f4xx.h"
#include "machdep.h"
#define min(a, b) ((a < b) ? (a) : (b))
int main(int argc, char *argv[]) {
semihosting_init();
printf("semihosting test - stdout\n");
fprintf(stderr, "semihosting test - stderr\n");
uint8_t buf[128];
int count;
int i;
FILE *fin = fopen("stm_in.raw", "rb");
if (!fin) {
fprintf(stderr, "Error %d opening fin\n", errno);
}
setbuf(fin, NULL);
FILE *fout = fopen("stm_out.raw", "wb");
if (!fout) {
fprintf(stderr, "Error %d opening fout\n", errno);
}
setbuf(fout, NULL);
// Unrolled while loop for simpler debugging:
// Pass 0: expect 16 bytes 00-0f
printf("Pass 0: feof(fin) = %d\n", feof(fin));
count = fread(&buf[0], 1, 16, fin);
printf("read %d bytes: ", count);
for (i=0; i<count; i++) printf(" %02x", buf[i]);
printf("\nfeof(fin) = %d\n", feof(fin));
for (i=0; i<min(count, 16); i++) buf[i] = ~buf[i];
if (count) count = fwrite(&buf[0], 1, count, fout);
printf("Wrote %d bytes\n\n", count);
// Pass 1: expect 16 bytes 10-1f
printf("Pass 1: feof(fin) = %d\n", feof(fin));
count = fread(&buf[0], 1, 16, fin);
printf("read %d bytes: ", count);
for (i=0; i<count; i++) printf(" %02x", buf[i]);
printf("\nfeof(fin) = %d\n", feof(fin));
for (i=0; i<min(count, 16); i++) buf[i] = ~buf[i];
if (count) count = fwrite(&buf[0], 1, count, fout);
printf("Wrote %d bytes\n\n", count);
// Pass 2: expect 3 bytes 20-22
printf("Pass 2: feof(fin) = %d\n", feof(fin));
count = fread(&buf[0], 1, 16, fin);
printf("read %d bytes: ", count);
for (i=0; i<count; i++) printf(" %02x", buf[i]);
printf("\nfeof(fin) = %d\n", feof(fin));
for (i=0; i<min(count, 16); i++) buf[i] = ~buf[i];
if (count) count = fwrite(&buf[0], 1, count, fout);
printf("Wrote %d bytes\n\n", count);
// Pass 3: expect 0 result (EOF)
printf("Pass 3: feof(fin) = %d\n", feof(fin));
count = fread(&buf[0], 1, 16, fin);
printf("read %d bytes: ", count);
for (i=0; i<count; i++) printf(" %02x", buf[i]);
printf("\nfeof(fin) = %d\n", feof(fin));
for (i=0; i<min(count, 16); i++) buf[i] = ~buf[i];
if (count) count = fwrite(&buf[0], 1, count, fout);
printf("Wrote %d bytes\n\n", count);
fclose(fin);
fclose(fout);
printf("End of test\n");
fflush(stdout);
fflush(stderr);
return 0;
}
/* vi:set ts=4 et sts=4: */
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