Fix serialdump code style

This commit is contained in:
George Oikonomou 2018-05-12 16:18:03 +01:00
parent a8f392ffa7
commit 5c65a07c56
1 changed files with 144 additions and 142 deletions

View File

@ -1,4 +1,5 @@
#define _GNU_SOURCE
/*---------------------------------------------------------------------------*/
#include <stdio.h>
#include <fcntl.h>
#include <termios.h>
@ -9,15 +10,16 @@
#include <string.h>
#include <time.h>
#include <signal.h>
/*---------------------------------------------------------------------------*/
#define BAUDRATE B115200
#define BAUDRATE_S "115200"
/*---------------------------------------------------------------------------*/
#ifdef linux
#define MODEMDEVICE "/dev/ttyS0"
#else
#define MODEMDEVICE "/dev/com1"
#endif /* linux */
/*---------------------------------------------------------------------------*/
#define SLIP_END 0300
#define SLIP_ESC 0333
#define SLIP_ESC_END 0334
@ -38,9 +40,11 @@
#define MODE_SLIP_AUTO 6
#define MODE_SLIP 7
#define MODE_SLIP_HIDE 8
/*---------------------------------------------------------------------------*/
static unsigned char rxbuf[2048];
/*---------------------------------------------------------------------------*/
static int
usage(int result)
{
@ -54,7 +58,7 @@ usage(int result)
printf(" (see man page for strftime() for format description)\n");
return result;
}
/*---------------------------------------------------------------------------*/
static void
print_hex_line(char *prefix, unsigned char *outbuf, int index)
{
@ -82,13 +86,13 @@ print_hex_line(char *prefix, unsigned char *outbuf, int index)
}
}
}
/*---------------------------------------------------------------------------*/
static void
intHandler(int sig)
{
exit(0);
}
/*---------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
@ -111,57 +115,57 @@ main(int argc, char **argv)
while(index < argc) {
if(argv[index][0] == '-') {
switch(argv[index][1]) {
case 'b':
/* set speed */
if(strcmp(&argv[index][2], "38400") == 0) {
speed = B38400;
speedname = "38400";
} else if(strcmp(&argv[index][2], "19200") == 0) {
speed = B19200;
speedname = "19200";
} else if(strcmp(&argv[index][2], "57600") == 0) {
speed = B57600;
speedname = "57600";
} else if(strcmp(&argv[index][2], "115200") == 0) {
speed = B115200;
speedname = "115200";
} else {
fprintf(stderr, "unsupported speed: %s\n", &argv[index][2]);
return usage(1);
}
break;
case 'x':
mode = MODE_HEX;
break;
case 'i':
mode = MODE_INT;
break;
case 's':
switch(argv[index][2]) {
case 'n':
mode = MODE_SLIP_HIDE;
break;
case 'o':
mode = MODE_SLIP;
break;
default:
mode = MODE_SLIP_AUTO;
break;
}
break;
case 'T':
if(strlen(&argv[index][2]) == 0) {
timeformat = "%Y-%m-%d %H:%M:%S";
} else {
timeformat = &argv[index][2];
}
mode = MODE_START_DATE;
break;
case 'h':
return usage(0);
default:
fprintf(stderr, "unknown option '%c'\n", argv[index][1]);
case 'b':
/* set speed */
if(strcmp(&argv[index][2], "38400") == 0) {
speed = B38400;
speedname = "38400";
} else if(strcmp(&argv[index][2], "19200") == 0) {
speed = B19200;
speedname = "19200";
} else if(strcmp(&argv[index][2], "57600") == 0) {
speed = B57600;
speedname = "57600";
} else if(strcmp(&argv[index][2], "115200") == 0) {
speed = B115200;
speedname = "115200";
} else {
fprintf(stderr, "unsupported speed: %s\n", &argv[index][2]);
return usage(1);
}
break;
case 'x':
mode = MODE_HEX;
break;
case 'i':
mode = MODE_INT;
break;
case 's':
switch(argv[index][2]) {
case 'n':
mode = MODE_SLIP_HIDE;
break;
case 'o':
mode = MODE_SLIP;
break;
default:
mode = MODE_SLIP_AUTO;
break;
}
break;
case 'T':
if(strlen(&argv[index][2]) == 0) {
timeformat = "%Y-%m-%d %H:%M:%S";
} else {
timeformat = &argv[index][2];
}
mode = MODE_START_DATE;
break;
case 'h':
return usage(0);
default:
fprintf(stderr, "unknown option '%c'\n", argv[index][1]);
return usage(1);
}
index++;
} else {
@ -174,8 +178,6 @@ main(int argc, char **argv)
}
fprintf(stderr, "connecting to %s (%s)", device, speedname);
#ifndef O_SYNC
#define O_SYNC 0
#endif
@ -184,7 +186,7 @@ main(int argc, char **argv)
/* Some systems do not support certain parameters (e.g. raspbian)
* Just do some random testing. Not sure whether there is a better way
* of doing this. */
if(fd < 0 && errno == EINVAL){
if(fd < 0 && errno == EINVAL) {
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY | O_SYNC);
}
#else
@ -241,7 +243,7 @@ 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");
@ -260,7 +262,7 @@ main(int argc, char **argv)
exit(-1);
} else if(n > 0) {
/* because commands might need parameters, lines needs to be
separated which means the terminating LF must be sent */
separated which means the terminating LF must be sent */
/* while(n > 0 && buf[n - 1] < 32) { */
/* n--; */
/* } */
@ -298,103 +300,103 @@ main(int argc, char **argv)
for(i = 0; i < n; i++) {
switch(mode) {
case MODE_START_TEXT:
case MODE_TEXT:
printf("%c", buf[i]);
break;
case MODE_START_DATE: {
time_t t;
t = time(&t);
strftime(outbuf, HCOLS, timeformat, localtime(&t));
printf("%s|", outbuf);
mode = MODE_DATE;
case MODE_START_TEXT:
case MODE_TEXT:
printf("%c", buf[i]);
break;
case MODE_START_DATE: {
time_t t;
t = time(&t);
strftime(outbuf, HCOLS, timeformat, localtime(&t));
printf("%s|", outbuf);
mode = MODE_DATE;
}
/* continue into the MODE_DATE */
case MODE_DATE:
printf("%c", buf[i]);
if(buf[i] == '\n') {
mode = MODE_START_DATE;
}
/* continue into the MODE_DATE */
case MODE_DATE:
break;
case MODE_INT:
printf("%03d ", buf[i]);
if(++index >= ICOLS) {
index = 0;
printf("\n");
}
break;
case MODE_HEX:
rxbuf[index++] = buf[i];
if(index >= HCOLS) {
print_hex_line("", rxbuf, index);
index = 0;
printf("\n");
}
break;
case MODE_SLIP_AUTO:
case MODE_SLIP_HIDE:
if(!flags && (buf[i] != SLIP_END)) {
/* Not a SLIP packet? */
printf("%c", buf[i]);
if(buf[i] == '\n') {
mode = MODE_START_DATE;
}
break;
case MODE_INT:
printf("%03d ", buf[i]);
if(++index >= ICOLS) {
}
/* continue to slip only mode */
case MODE_SLIP:
switch(buf[i]) {
case SLIP_ESC:
lastc = SLIP_ESC;
break;
case SLIP_END:
if(index > 0) {
if(flags != 2 && mode != MODE_SLIP_HIDE) {
/* not overflowed: show packet */
print_hex_line("SLIP: ", rxbuf, index > HCOLS ? HCOLS : index);
printf("\n");
}
lastc = '\0';
index = 0;
printf("\n");
flags = 0;
} else {
flags = !flags;
}
break;
case MODE_HEX:
default:
if(lastc == SLIP_ESC) {
lastc = '\0';
/* Previous read byte was an escape byte, so this byte will be
interpreted differently from others. */
switch(buf[i]) {
case SLIP_ESC_END:
buf[i] = SLIP_END;
break;
case SLIP_ESC_ESC:
buf[i] = SLIP_ESC;
break;
}
}
rxbuf[index++] = buf[i];
if(index >= HCOLS) {
print_hex_line("", rxbuf, index);
if(index >= sizeof(rxbuf)) {
fprintf(stderr, "**** slip overflow\n");
index = 0;
printf("\n");
}
break;
case MODE_SLIP_AUTO:
case MODE_SLIP_HIDE:
if(!flags && (buf[i] != SLIP_END)) {
/* Not a SLIP packet? */
printf("%c", buf[i]);
break;
}
/* continue to slip only mode */
case MODE_SLIP:
switch(buf[i]) {
case SLIP_ESC:
lastc = SLIP_ESC;
break;
case SLIP_END:
if(index > 0) {
if(flags != 2 && mode != MODE_SLIP_HIDE) {
/* not overflowed: show packet */
print_hex_line("SLIP: ", rxbuf, index > HCOLS ? HCOLS : index);
printf("\n");
}
lastc = '\0';
index = 0;
flags = 0;
} else {
flags = !flags;
}
break;
default:
if(lastc == SLIP_ESC) {
lastc = '\0';
/* Previous read byte was an escape byte, so this byte will be
interpreted differently from others. */
switch(buf[i]) {
case SLIP_ESC_END:
buf[i] = SLIP_END;
break;
case SLIP_ESC_ESC:
buf[i] = SLIP_ESC;
break;
}
}
rxbuf[index++] = buf[i];
if(index >= sizeof(rxbuf)) {
fprintf(stderr, "**** slip overflow\n");
index = 0;
flags = 2;
}
break;
flags = 2;
}
break;
}
break;
}
}
/* after processing for some output modes */
if(index > 0) {
switch(mode) {
case MODE_HEX:
print_hex_line("", rxbuf, index);
break;
case MODE_HEX:
print_hex_line("", rxbuf, index);
break;
}
}
fflush(stdout);