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tests/periph_random: fix warnings, conventions

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This commit is contained in:
Ludwig Ortmann 2014-11-19 11:53:40 +01:00
parent adb24b06b8
commit 3d9003f18a
1 changed files with 7 additions and 8 deletions
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15
tests/periph_random/main.c
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@ -20,16 +20,15 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <vtimer.h>
#include <periph/random.h> #include "vtimer.h"
#include <periph_conf.h> #include "periph/random.h"
#define LIMIT (20U) #define LIMIT (20U)
int main(void) int main(void)
{ {
char buf[LIMIT]; char buf[LIMIT];
int count = 0;
puts("\nRandom number generator low-level driver test\n"); puts("\nRandom number generator low-level driver test\n");
printf("This test will print from 1 to %i random bytes about every second\n\n", LIMIT); printf("This test will print from 1 to %i random bytes about every second\n\n", LIMIT);
@ -42,9 +41,9 @@ int main(void)
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
/* create random numbers */ /* create random numbers */
for (int i = 1; i <= LIMIT; i++) { for (unsigned i = 1; i <= LIMIT; i++) {
printf("generating %i random byte(s)\n", i); printf("generating %i random byte(s)\n", i);
count = random_read(buf, i); unsigned count = random_read(buf, i);
if (count != i) { if (count != i) {
printf("Error generating random bytes, got %i instead of %i", count, i); printf("Error generating random bytes, got %i instead of %i", count, i);
@ -52,8 +51,8 @@ int main(void)
} }
printf("Got:"); printf("Got:");
for (int j = 0; j < i; j++) { for (unsigned j = 0; j < i; j++) {
printf(" 0x%02x", buf[j]); printf(" 0x%02x", (unsigned char)buf[j]);
} }
printf("\n"); printf("\n");
} }