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Merge pull request #1866 from yschroeder/pull-req/serialdump

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Improved serialdump.c
This commit is contained in:
Antonio Lignan 2016-12-04 13:17:39 +01:00 committed by GitHub
parent 2be999c707 d524211c2a
commit af4f1e1c30
1 changed files with 16 additions and 0 deletions
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16
tools/sky/serialdump.c
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@ -8,6 +8,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <time.h> #include <time.h>
#include <signal.h>
#define BAUDRATE B115200 #define BAUDRATE B115200
#define BAUDRATE_S "115200" #define BAUDRATE_S "115200"
@ -82,9 +83,17 @@ print_hex_line(char *prefix, unsigned char *outbuf, int index)
} }
} }
static void
intHandler(int sig)
{
exit(0);
}
int int
main(int argc, char **argv) main(int argc, char **argv)
{ {
signal(SIGINT, intHandler);
struct termios options; struct termios options;
fd_set mask, smask; fd_set mask, smask;
int fd; int fd;
@ -208,6 +217,8 @@ main(int argc, char **argv)
options.c_cflag |= CS8; options.c_cflag |= CS8;
/* Raw input */ /* Raw input */
options.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP
| INLCR | IGNCR | ICRNL | IXON);
options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
/* Raw output */ /* Raw output */
options.c_oflag &= ~OPOST; options.c_oflag &= ~OPOST;
@ -279,6 +290,11 @@ main(int argc, char **argv)
perror("could not read"); perror("could not read");
exit(-1); exit(-1);
} }
if(n == 0) {
errno = EBADF;
perror("serial device disconnected");
exit(-1);
}
for(i = 0; i < n; i++) { for(i = 0; i < n; i++) {
switch(mode) { switch(mode) {