public bool Read(string pin)
{
using (
var reader =
new StreamReader(new FileStream(GpioPath.ValuePath(pin), FileMode.Open, FileAccess.Read,
FileShare.ReadWrite)))
{
var rawValue = reader.ReadToEnd();
return(rawValue.StartsWith("1"));
}
}
public int SetupInterrupt(string pin)
{
var pollFd = Syscall.epoll_create(1);
var valueFd = Syscall.open(GpioPath.ValuePath(pin), OpenFlags.O_NONBLOCK | OpenFlags.O_RDONLY);
if (
Syscall.epoll_ctl(pollFd, EpollOp.EPOLL_CTL_ADD, valueFd,
EpollEvents.EPOLLIN | EpollEvents.EPOLLET | EpollEvents.EPOLLPRI) != 0)
{
throw new Exception("Error creating interupt");
}
return(pollFd);
}
public void Write(string pin, bool value)
{
using (var writer = new StreamWriter(GpioPath.ValuePath(pin), false))
writer.Write(value ? "1" : "0");
}
public async Task WriteAsync(string pin, bool value)
{
using (var writer = new StreamWriter(GpioPath.ValuePath(pin), false))
await writer.WriteAsync(value? "1" : "0");
}