jeena/moxanix
1
0
Fork 0
Code Issues Pull requests Projects Packages Wiki Activity Actions

Adding termios configuration and reading from tty device with some other code refactoring. The character read from serial device are currently only printf-ed to console.

Browse source
This commit is contained in:
Luka Miljak 2014-03-17 23:10:33 +01:00
parent e6775c120d
commit c33bd6ca4e
2 changed files with 46 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

43
tty.c
View file

@ -15,7 +15,27 @@ int tty_open(struct tty_t *tty_dev) {
return -errno;
else
tty_dev->fd = fd;
tty_dev->ttyset.c_iflag &= ~(IGNBRK | BRKINT | ICRNL | INLCR |
PARMRK | INPCK | ISTRIP | IXON);
tty_dev->ttyset.c_oflag &= ~(OCRNL | ONLCR | ONLRET |
ONOCR | OFILL | OLCUC | OPOST);
tty_dev->ttyset.c_lflag &= ~(ECHO | ECHONL | ICANON | IEXTEN | ISIG);
tty_dev->ttyset.c_cflag &= ~(CSIZE | PARENB);
tty_dev->ttyset.c_cflag |= CS8;
tty_dev->ttyset.c_cc[VMIN] = 1;
tty_dev->ttyset.c_cc[VTIME] = 0;
if(cfsetispeed(&(tty_dev->ttyset), B115200) < 0 || cfsetospeed(&(tty_dev->ttyset), B115200) < 0) {
fprintf(stderr, "[%s] error configuring tty device speed\n", NAME);
return -errno;
}
if(tcsetattr(tty_dev->fd, TCSAFLUSH, &(tty_dev->ttyset)) < 0) {
fprintf(stderr, "[%s] error configuring tty device\n", NAME);
return -errno;
}
return 0;
}
@ -46,23 +66,24 @@ int tty_write(struct tty_t *tty_dev, char *databuf, int datalen) {
}
void *tty_thread_func(void *arg) {
int i = 0;
char *str;
str = (char*)arg;
//int i = 0;
char c;
struct tty_t *tty_dev = (struct tty_t*)arg;
fprintf(stderr, "[%s] tty thread started with passed argument: %s\n", NAME, str);
fprintf(stderr, "[%s] tty thread started with passed argument: %s\n", NAME, tty_dev->path);
//while ((i * 10) < TTY_THREAD_TIMEOUT_SEC) {
while (1) {
sleep(10);
fprintf(stderr, "[%s] tty thread reporting ...\n", NAME);
i++;
//sleep(10);
if (read(tty_dev->fd, &c, 1) > 0)
printf("%c", c);
//fprintf(stderr, "[%s] tty thread reporting ...\n", NAME);
//i++;
}
fprintf(stderr, "[%s] tty thread stoped\n", NAME);
strncpy(str, "bye", strlen(str));
return (void *)str;
return (void *)tty_dev;;
}