danog/libdvb
1
0
Fork 0
mirror of https://github.com/danog/libdvb.git synced 2024-11-26 20:04:39 +01:00
Code Issues Projects Releases Wiki Activity

tune: FE_GET_EVENT

Browse Source
This commit is contained in:
Andrey Dyldin 2018-10-25 03:09:49 +05:00
parent e0446ddf14
commit 655a8aba18
1 changed files with 59 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
src/tune.rs
View File

@ -4,6 +4,7 @@ use std::{io, mem};
use std::os::unix::io::RawFd;
pub const FE_GET_INFO: libc::c_ulong = 2158522173; /* _IOR('o', 61, sizeof(dvb_frontend_info)) */
pub const FE_GET_EVENT: libc::c_ulong = 2150133582; /* _IOR('o', 78, struct dvb_frontend_event) */
pub const FE_SET_PROPERTY: libc::c_ulong = 1074818898; /* _IOW('o', 82, struct dtv_properties) */
//
@ -59,13 +60,65 @@ pub struct dvb_frontend_info {
pub caps: fe_caps,
}
unsafe fn get_dvb_frontend_info(fd: RawFd) -> io::Result<dvb_frontend_info> {
let mut feinfo: dvb_frontend_info = mem::zeroed();
let x = libc::ioctl(fd, FE_GET_INFO, &mut feinfo as *mut dvb_frontend_info as *mut libc::c_void);
impl dvb_frontend_info {
pub fn new() -> dvb_frontend_info {
unsafe { mem::zeroed::<dvb_frontend_info>() }
}
}
fn get_dvb_frontend_info(fd: RawFd, info: &mut dvb_frontend_info) -> io::Result<()> {
let x = unsafe {
libc::ioctl(fd, FE_GET_INFO, info as *mut dvb_frontend_info as *mut libc::c_void)
};
if x == -1 {
Err(io::Error::last_os_error())
} else {
Ok(feinfo)
Ok(())
}
}
//
#[repr(C, packed)]
pub struct dvb_frontend_parameters {
pub frequency: u32,
reserved: [u8; 32],
}
bitflags! {
pub struct fe_status: u32 {
const FE_NONE = 0x00;
const FE_HAS_SIGNAL = 0x01;
const FE_HAS_CARRIER = 0x02;
const FE_HAS_VITERBI = 0x04;
const FE_HAS_SYNC = 0x08;
const FE_HAS_LOCK = 0x10;
const FE_TIMEDOUT = 0x20;
const FE_REINIT = 0x40;
}
}
#[repr(C, packed)]
pub struct dvb_frontend_event {
pub status: fe_status,
pub parameters: dvb_frontend_parameters,
}
impl dvb_frontend_event {
pub fn new() -> dvb_frontend_event {
unsafe { mem::zeroed::<dvb_frontend_event>() }
}
}
fn get_dvb_frontend_event(fd: RawFd, event: &mut dvb_frontend_event) -> io::Result<()> {
let x = unsafe {
libc::ioctl(fd, FE_GET_INFO, event as *mut dvb_frontend_event as *mut libc::c_void)
};
if x == -1 {
Err(io::Error::last_os_error())
} else {
Ok(())
}
}
@ -267,9 +320,8 @@ impl DvbTune {
DvbOptions::DVB_S2(v) => {
let fd = v.adapter.open()?;
let feinfo = unsafe {
get_dvb_frontend_info(fd)?
};
let mut feinfo = dvb_frontend_info::new();
get_dvb_frontend_info(fd, &mut feinfo)?;
// TODO: continue here...
// DvbS::tune(v)?;