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serialblaster bugfix

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This commit is contained in:
Adam Kaliszan 2022-06-10 10:32:11 +02:00 committed by Xiang Xiao
parent 1f0ba0db6e
commit 835f43524b
1 changed files with 10 additions and 9 deletions
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19
examples/serialblaster/serialblaster_main.c
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@ -59,7 +59,8 @@ int main(int argc, FAR char *argv[])
int ret;
int fd;
FAR char *devpath;
int size = 0;
const int slength = sizeof(s)-1;
int size = slength;
int rem;
if (argc == 1)
@ -84,25 +85,25 @@ int main(int argc, FAR char *argv[])
fd = open(devpath, O_RDWR);
if (fd < 0)
{
printf("dev_ttyS2: ERROR Failed to open /dev/ttyS2\n");
printf("%s: ERROR Failed to open %s\n", argv[0], devpath);
return -1;
}
rem = size;
while (size > sizeof(s))
printf("Sending %d bytes of data to %s (fd=%d)\n", size, devpath, fd);
while (rem > 0)
{
if (rem > 26)
if (rem > slength)
{
ret = write(fd, s, (sizeof(s)-1));
ret = write(fd, s, slength);
rem = rem - slength;
}
rem = rem - 26;
if (rem < 26)
else
{
ret = write(fd, s, rem);
rem = 0;
}
size = size - 26;
UNUSED(ret);
}