int check_tira(void)
{
logprintf(LOG_ERR, "Searching for Tira");
if(!tty_reset(hw.fd) ||
!tty_setbaud(hw.fd, 9600) ||
!tty_setrtscts(hw.fd, 1)) return 0;
usleep (50000);
return tira_setup();
}
static int irlink_open(const char * portName)
{
int port = -1;
if(!tty_create_lock((char*)portName))
{
logprintf(LOG_ERR,"could not create lock files");
return -1;
}
if((port=open(portName,O_RDWR | O_NOCTTY | O_NDELAY))<0)
{
logprintf(LOG_ERR,"could not open %s",hw.device);
tty_delete_lock();
return -1;
}
if(tty_reset(port) < 0 ||
tty_setbaud(port , 115200) < 0 ||
tty_setcsize(port , 8) < 0 ||
tty_setrtscts(port , 0) < 0 )
{
irlink_close(port);
port = -1;
}
return port;
}
static int uirt2_raw_init(void)
{
int version;
if (!tty_create_lock(hw.device)) {
logprintf(LOG_ERR, "uirt2_raw: could not create lock files");
return (0);
}
if ((hw.fd = open(hw.device, O_RDWR | O_NONBLOCK | O_NOCTTY)) < 0) {
logprintf(LOG_ERR, "uirt2_raw: could not open %s", hw.device);
tty_delete_lock();
return (0);
}
if (!tty_reset(hw.fd)) {
logprintf(LOG_ERR, "uirt2_raw: could not reset tty");
close(hw.fd);
tty_delete_lock();
return (0);
}
/* Wait for UIRT device to power up */
usleep(100 * 1000);
if (!tty_setbaud(hw.fd, 115200)) {
logprintf(LOG_ERR, "uirt2_raw: could not set baud rate");
close(hw.fd);
tty_delete_lock();
return (0);
}
if (!tty_setcsize(hw.fd, 8)) {
logprintf(LOG_ERR, "uirt2_raw: could not set csize");
close(hw.fd);
tty_delete_lock();
return (0);
}
if (!tty_setrtscts(hw.fd, 1)) {
logprintf(LOG_ERR, "uirt2_raw: could not enable hardware flow");
close(hw.fd);
tty_delete_lock();
return (0);
}
if ((dev = uirt2_init(hw.fd)) == NULL) {
logprintf(LOG_ERR, "uirt2_raw: No UIRT2 device found at %s", hw.device);
close(hw.fd);
tty_delete_lock();
return (0);
}
if (uirt2_setmoderaw(dev) < 0) {
logprintf(LOG_ERR, "uirt2_raw: could not set raw mode");
uirt2_raw_deinit();
return (0);
}
if (uirt2_getversion(dev, &version) < 0) {
uirt2_raw_deinit();
return (0);
}
if (version >= 0x0905) {
if (!tty_setdtr(hw.fd, 0)) {
logprintf(LOG_ERR, "uirt2_raw: could not set DTR");
uirt2_raw_deinit();
return (0);
}
}
init_rec_buffer();
init_send_buffer();
rec_rptr = 0;
rec_wptr = 0;
rec_size = sizeof(rec_buf) / sizeof(rec_buf[0]);
return (1);
}
