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satman: process moninj packets

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This commit is contained in:
Sebastien Bourdeauducq 2017-02-23 16:24:05 +08:00
parent 45ac0dcf57
commit b34c6ba6b9
1 changed files with 62 additions and 3 deletions
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65
artiq/firmware/satman/lib.rs
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@ -11,10 +11,69 @@ extern crate logger_artiq;
extern crate board;
extern crate drtioaux;
// FIXME: is there a better way of doing this?
trait FromU16 {
fn from_u16(v: u16) -> Self;
}
fn process_aux_packet(p: drtioaux::Packet) {
match p {
impl FromU16 for u16 {
fn from_u16(v: u16) -> u16 {
v
}
}
impl FromU16 for u8 {
fn from_u16(v: u16) -> u8 {
v as u8
}
}
fn u8_or_u16<T: FromU16>(v: u16) -> T {
FromU16::from_u16(v)
}
fn process_aux_packet(p: &drtioaux::Packet) {
match *p {
drtioaux::Packet::EchoRequest => drtioaux::hw::send(&drtioaux::Packet::EchoReply).unwrap(),
drtioaux::Packet::MonitorRequest { channel, probe } => {
let value;
#[cfg(has_rtio_moninj)]
unsafe {
board::csr::rtio_moninj::mon_chan_sel_write(u8_or_u16(channel));
board::csr::rtio_moninj::mon_probe_sel_write(probe);
board::csr::rtio_moninj::mon_value_update_write(1);
value = board::csr::rtio_moninj::mon_value_read();
}
#[cfg(not(has_rtio_moninj))]
{
value = 0;
}
let reply = drtioaux::Packet::MonitorReply { value: value as u32 };
drtioaux::hw::send(&reply).unwrap();
},
drtioaux::Packet::InjectionRequest { channel, overrd, value } => {
#[cfg(has_rtio_moninj)]
unsafe {
board::csr::rtio_moninj::inj_chan_sel_write(u8_or_u16(channel));
board::csr::rtio_moninj::inj_override_sel_write(overrd);
board::csr::rtio_moninj::inj_value_write(value);
}
},
drtioaux::Packet::InjectionStatusRequest { channel, overrd } => {
let value;
#[cfg(has_rtio_moninj)]
unsafe {
board::csr::rtio_moninj::inj_chan_sel_write(u8_or_u16(channel));
board::csr::rtio_moninj::inj_override_sel_write(overrd);
value = board::csr::rtio_moninj::inj_value_read();
}
#[cfg(not(has_rtio_moninj))]
{
value = 0;
}
let reply = drtioaux::Packet::InjectionStatusReply { value: value };
drtioaux::hw::send(&reply).unwrap();
},
_ => warn!("received unexpected aux packet {:?}", p)
}
}
@ -23,7 +82,7 @@ fn process_aux_packets() {
let pr = drtioaux::hw::recv();
match pr {
Ok(None) => {},
Ok(Some(p)) => process_aux_packet(p),
Ok(Some(p)) => process_aux_packet(&p),
Err(e) => warn!("aux packet error ({})", e)
}
}