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Merge pull request #1048 from cmorty/pull/serialdump 

Fix and clean up serialdump.c
This commit is contained in:
Simon Duquennoy 2015-05-15 20:12:58 +02:00
parent 402eabecca 23d6250584
commit f45c6ad1b0
3 changed files with 219 additions and 215 deletions
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2
tools/sky/Makefile
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@ -22,4 +22,4 @@ endif
all: $(SERIALDUMP)
$(SERIALDUMP): serialdump.c
$(CC) -o $@ $<
$(CC) -O2 -o $@ $<

BIN
tools/sky/serialdump-linux
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Binary file not shown.

22
tools/sky/serialdump.c
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@ -1,3 +1,4 @@
#define _GNU_SOURCE
#include <stdio.h>
#include <fcntl.h>
#include <termios.h>
@ -6,9 +7,10 @@
#include <sys/time.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#define BAUDRATE B57600
#define BAUDRATE_S "57600"
#define BAUDRATE B115200
#define BAUDRATE_S "115200"
#ifdef linux
#define MODEMDEVICE "/dev/ttyS0"
#else
@ -80,7 +82,8 @@ print_hex_line(unsigned char *prefix, unsigned char *outbuf, int index)
}
}
int main(int argc, char **argv)
int
main(int argc, char **argv)
{
struct termios options;
fd_set mask, smask;
@ -161,14 +164,17 @@ int main(int argc, char **argv)
}
fprintf(stderr, "connecting to %s (%s)", device, speedname);
#ifndef __APPLE__
#ifdef O_SYNC
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY | O_DIRECT | O_SYNC);
if(fd < 0 && errno == EINVAL){ // O_SYNC not supported (e.g. raspberian)
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY | O_DIRECT);
}
#else
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY | O_SYNC );
#endif
if(fd < 0) {
fprintf(stderr, "\n");
perror(device);
perror("open");
exit(-1);
}
fprintf(stderr, " [OK]\n");
@ -215,8 +221,7 @@ int main(int argc, char **argv)
index = 0;
for(;;) {
smask = mask;
nfound = select(FD_SETSIZE, &smask, (fd_set *) 0, (fd_set *) 0,
(struct timeval *) 0);
nfound = select(FD_SETSIZE, &smask, (fd_set *) 0, (fd_set *) 0, (struct timeval *) 0);
if(nfound < 0) {
if(errno == EINTR) {
fprintf(stderr, "interrupted system call\n");
@ -320,8 +325,7 @@ int main(int argc, char **argv)
if(index > 0) {
if(flags != 2 && mode != MODE_SLIP_HIDE) {
/* not overflowed: show packet */
print_hex_line("SLIP: ", rxbuf,
index > HCOLS ? HCOLS : index);
print_hex_line("SLIP: ", rxbuf, index > HCOLS ? HCOLS : index);
printf("\n");
}
lastc = '\0';