libboard_artiq: changed edition to 2018 for async

This commit is contained in:
mwojcik 2021-10-01 11:49:55 +02:00
parent 5f06db8787
commit 2caa48f24b
5 changed files with 32 additions and 27 deletions

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@ -2,6 +2,7 @@
name = "libboard_artiq"
version = "0.0.0"
authors = ["M-Labs"]
edition = "2018"
[lib]
name = "libboard_artiq"
@ -19,9 +20,12 @@ log_buffer = { version = "1.2" }
crc = { version = "1.7", default-features = false }
core_io = { version = "0.1", features = ["collections"] }
embedded-hal = "0.2"
nb = "1.0"
void = { version = "1", default-features = false }
io = { path = "../libio", features = ["byteorder"] }
libboard_zynq = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git"}
libregister = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git" }
libconfig = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git"}
libcortex_a9 = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git" }
libcortex_a9 = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git" }
libasync = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git" }

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@ -1,6 +1,6 @@
use libconfig::Config;
#[cfg(has_drtio_routing)]
use pl::csr;
use crate::pl::csr;
use core::fmt;
use log::{warn, info};

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@ -3,12 +3,12 @@ use crc;
use core_io::{ErrorKind as IoErrorKind, Error as IoError};
use io::{proto::ProtoRead, proto::ProtoWrite, Cursor};
use mem::mem::DRTIOAUX_MEM;
use pl::csr::DRTIOAUX;
use drtioaux_proto::Error as ProtocolError;
use libboard_zynq::{timer::GlobalTimer, time::Milliseconds};
use crate::mem::mem::DRTIOAUX_MEM;
use crate::pl::csr::DRTIOAUX;
use crate::drtioaux_proto::Error as ProtocolError;
pub use drtioaux_proto::Packet;
pub use crate::drtioaux_proto::Packet;
#[derive(Debug)]
pub enum Error {
@ -47,7 +47,7 @@ pub fn reset(linkno: u8) {
}
}
fn has_rx_error(linkno: u8) -> bool {
pub fn has_rx_error(linkno: u8) -> bool {
let linkno = linkno as usize;
unsafe {
let error = (DRTIOAUX[linkno].aux_rx_error_read)() != 0;
@ -58,17 +58,22 @@ fn has_rx_error(linkno: u8) -> bool {
}
}
fn swap_byte_order(buf: &mut [u8]) -> () {
fn copy_with_swap(src: *mut u8, dst: *mut u8, len: isize) {
// for some reason, everything except checksum arrives
// with byte order swapped. and it must be sent as such too.
// call this for a slice without the checksum included.
for i in (0..buf.len()).step_by(4) {
let mut temp = buf[i];
buf[i] = buf[i + 3];
buf[i + 3] = temp;
temp = buf[i + 1];
buf[i + 1] = buf[i + 2];
buf[i + 2] = temp;
unsafe {
for i in (0..(len-4)).step_by(4) {
*dst.offset(i) = *src.offset(i+3);
*dst.offset(i+1) = *src.offset(i+2);
*dst.offset(i+2) = *src.offset(i+1);
*dst.offset(i+3) = *src.offset(i);
}
// checksum untouched
// unrolled for performance
*dst.offset(len-4) = *src.offset(len-4);
*dst.offset(len-3) = *src.offset(len-3);
*dst.offset(len-2) = *src.offset(len-2);
*dst.offset(len-1) = *src.offset(len-1);
}
}
@ -82,10 +87,7 @@ fn receive<F, T>(linkno: u8, f: F) -> Result<Option<T>, Error>
let len = (DRTIOAUX[linkidx].aux_rx_length_read)() as usize;
// work buffer, as byte order will need to be swapped, cannot be in place
let mut buf: [u8; 1024] = [0; 1024];
for i in 0..len {
buf[i] = *(ptr as *mut u8).offset(i as isize);
}
swap_byte_order(&mut buf[0..len-4]);
copy_with_swap(ptr, buf.as_mut_ptr(), len as isize);
let result = f(&buf[0..len]);
(DRTIOAUX[linkidx].aux_rx_present_write)(1);
Ok(Some(result?))
@ -139,14 +141,12 @@ fn transmit<F>(linkno: u8, f: F) -> Result<(), Error>
let linkno = linkno as usize;
unsafe {
while (DRTIOAUX[linkno].aux_tx_read)() != 0 {}
let pointer = DRTIOAUX_MEM[linkno].base as *mut u8;
let ptr = DRTIOAUX_MEM[linkno].base as *mut u8;
let len = DRTIOAUX_MEM[linkno].size / 2;
// work buffer, works with unaligned mem access
let mut buf: [u8; 1024] = [0; 1024];
let len = f(&mut buf[0..len])?;
for i in 0..len {
*pointer.offset(i as isize) = buf[i];
}
copy_with_swap(buf.as_mut_ptr(), ptr, len as isize);
(DRTIOAUX[linkno].aux_tx_length_write)(len as u16);
(DRTIOAUX[linkno].aux_tx_write)(1);
Ok(())
@ -167,8 +167,6 @@ pub fn send(linkno: u8, packet: &Packet) -> Result<(), Error> {
}
let checksum = crc::crc32::checksum_ieee(&writer.get_ref()[0..writer.position()]);
let len = writer.position();
swap_byte_order(&mut writer.get_mut()[0..len]);
writer.write_u32(checksum)?;
Ok(writer.position())

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@ -10,6 +10,7 @@ extern crate libboard_zynq;
extern crate libregister;
extern crate libconfig;
extern crate libcortex_a9;
extern crate libasync;
extern crate log_buffer;
#[path = "../../../build/pl.rs"]
@ -22,6 +23,8 @@ pub mod si5324;
#[cfg(has_drtio)]
pub mod drtioaux;
#[cfg(has_drtio)]
pub mod drtioaux_async;
#[cfg(has_drtio)]
#[path = "../../../build/mem.rs"]
pub mod mem;

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@ -3,7 +3,7 @@ use log::info;
use libboard_zynq::{i2c::I2c, timer::GlobalTimer, time::Milliseconds};
use embedded_hal::blocking::delay::DelayUs;
#[cfg(not(si5324_soft_reset))]
use pl::csr;
use crate::pl::csr;
type Result<T> = result::Result<T, &'static str>;