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Include the file name to open and the fail error number #12

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merged 1 commit into from
Jan 12, 2020
Merged

Include the file name to open and the fail error number #12

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16 changes: 9 additions & 7 deletions examples/sx127x_demo/sx127x_demo.c
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Original file line number Diff line number Diff line change
Expand Up @@ -182,7 +182,7 @@ static void parse_args(FAR struct args_s *args, int argc, FAR char **argv)
int nargs;
int i_value;

for (index = 1; index < argc;)
for (index = 1; index < argc; )
{
ptr = argv[index];
if (ptr[0] != '-')
Expand Down Expand Up @@ -346,22 +346,23 @@ static void print_hex(uint8_t *data, int len)
{
int i;

if(len == 0)
if (len == 0)
{
printf("empty buffer!\n");
}
else
{
for(i = 0 ; i < len ; i += 1)
for (i = 0 ; i < len ; i += 1)
{
printf("0x%02x ", data[i]);

if((i+1)%10 == 0)
if ((i + 1) % 10 == 0)
{
printf("\n");
}
}
}

printf("\n");
}

Expand Down Expand Up @@ -447,7 +448,7 @@ int main(int argc, FAR char *argv[])

/* Initialize buffer with data */

for (i = 0; i < TX_BUFFER_MAX; i+=1)
for (i = 0; i < TX_BUFFER_MAX; i += 1)
{
buffer[i] = i;
}
Expand Down Expand Up @@ -483,7 +484,8 @@ int main(int argc, FAR char *argv[])
fd = open(DEV_NAME, O_RDWR);
if (fd < 0)
{
printf("ERROR: Failed to open device!\n");
int errcode = errno;
printf("ERROR: Failed to open device %s: %d\n", DEV_NAME, errcode);
goto errout;
}

Expand Down Expand Up @@ -522,7 +524,7 @@ int main(int argc, FAR char *argv[])

clock_gettime(CLOCK_REALTIME, &tstart);

while(1)
while (1)
{
switch (args->app_mode)
{
Expand Down