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-rw-r--r--tools/firmware-utils/src/nec-enc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/firmware-utils/src/nec-enc.c b/tools/firmware-utils/src/nec-enc.c
index 3c4e38721e..a2be378586 100644
--- a/tools/firmware-utils/src/nec-enc.c
+++ b/tools/firmware-utils/src/nec-enc.c
@@ -47,7 +47,7 @@ static unsigned char buf_pattern[4096], buf[4096];
int main(int argc, char **argv)
{
- int k_off = 0, ptn = 0, c, ret = EXIT_SUCCESS;
+ int k_off = 0, ptn = 1, c, ret = EXIT_SUCCESS;
char *ifn = NULL, *ofn = NULL, *key = NULL;
size_t n, k_len;
FILE *out, *in;
@@ -99,11 +99,11 @@ int main(int argc, char **argv)
while ((n = fread(buf, 1, sizeof(buf), in)) > 0) {
for (int i = 0; i < n; i++) {
- buf_pattern[i] = ptn + 1;
+ buf_pattern[i] = ptn;
ptn++;
- if (ptn > 250)
- ptn = 0;
+ if (ptn > PATTERN_LEN)
+ ptn = 1;
}
k_off = xor_pattern(buf_pattern, n, key, k_len, k_off);