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derive debug for Pin and PinPoller, open file instead of creating in read_from_device_file #9

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Merged
merged 2 commits into from
Dec 4, 2015
Merged

derive debug for Pin and PinPoller, open file instead of creating in read_from_device_file #9

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a6deba1
derive Debug for Pin and PinPoller
Dec 4, 2015
2ffd460
use File::open in read_from_device_file
Dec 4, 2015
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4 changes: 3 additions & 1 deletion src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,7 @@ use std::fs::{File};
mod error;
pub use error::Error;

#[derive(Debug)]
pub struct Pin {
pin_num : u64,
}
Expand Down Expand Up @@ -109,7 +110,7 @@ impl Pin {

fn read_from_device_file(&self, dev_file_name: &str) -> io::Result<String> {
let gpio_path = format!("/sys/class/gpio/gpio{}/{}", self.pin_num, dev_file_name);
let mut dev_file = try!(File::create(&gpio_path));
let mut dev_file = try!(File::open(&gpio_path));
let mut s = String::new();
try!(dev_file.read_to_string(&mut s));
Ok(s)
Expand Down Expand Up @@ -325,6 +326,7 @@ impl Pin {
}
}

#[derive(Debug)]
pub struct PinPoller {
pin_num : u64,
epoll_fd : RawFd,
Expand Down