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7 changed files with 354 additions and 185 deletions

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@ -15,7 +15,6 @@ stm32h7xx-hal = {version = "0.6.0", features = [ "stm32h743v", "rt", "unproven"
stm32h7-ethernet = { version = "0.2.0", features = [ "phy_lan8742a", "stm32h743v" ] }
smoltcp = { version = "0.6.0", default-features = false, features = [ "ethernet", "proto-ipv4", "proto-ipv6", "socket-raw" ] }
nb = "1.0.0"
# scpi = {path = "../scpi-rs/scpi", version = "0.3.4"}
scpi = { git = "https://github.com/occheung/scpi-rs", branch = "issue-4" }
lexical-core = { version="0.7.1", features=["radix"], default-features=false }
libm = { version = "0.2.0" }

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@ -24,9 +24,12 @@ extern crate smoltcp;
extern crate stm32h7_ethernet as ethernet;
use stm32h7xx_hal::gpio::Speed;
use stm32h7xx_hal::hal::digital::v2::OutputPin;
use stm32h7xx_hal::hal::digital::v2::{
OutputPin,
InputPin,
};
use stm32h7xx_hal::rcc::CoreClocks;
use stm32h7xx_hal::{pac, prelude::*, stm32, stm32::interrupt};
use stm32h7xx_hal::{pac, prelude::*, spi, stm32, stm32::interrupt};
use Speed::*;
use libm::round;
@ -55,7 +58,24 @@ use smoltcp::socket::SocketSet;
use smoltcp::socket::{SocketHandle, TcpSocket, TcpSocketBuffer};
use smoltcp::time::{Duration, Instant};
use firmware::scpi::{MyDevice, TREE};
use firmware;
use firmware::{
attenuator::Attenuator,
config_register::{
ConfigRegister,
CFGMask,
StatusMask,
},
dds::{
DDS,
DDSCFRMask,
},
cpld::{
CPLD,
},
scpi::TREE,
Urukul,
};
use scpi::prelude::*;
/// Configure SYSTICK for 1ms timebase
@ -111,6 +131,7 @@ fn main() -> ! {
.sys_ck(200.mhz())
.hclk(200.mhz())
.pll1_r_ck(100.mhz()) // for TRACECK
.pll1_q_ck(48.mhz())
.freeze(vos, &dp.SYSCFG);
// Get the delay provider.
@ -127,14 +148,65 @@ fn main() -> ! {
let gpioa = dp.GPIOA.split(ccdr.peripheral.GPIOA);
let gpiob = dp.GPIOB.split(ccdr.peripheral.GPIOB);
let gpioc = dp.GPIOC.split(ccdr.peripheral.GPIOC);
let gpioe = dp.GPIOE.split(ccdr.peripheral.GPIOE);
let gpiod = dp.GPIOD.split(ccdr.peripheral.GPIOD);
let gpioe = dp.GPIOE.split(ccdr.peripheral.GPIOE);
let gpiof = dp.GPIOF.split(ccdr.peripheral.GPIOF);
let gpiog = dp.GPIOG.split(ccdr.peripheral.GPIOG);
let mut link_led = gpiob.pb0.into_push_pull_output(); // LED1, green
let mut status_led = gpioe.pe1.into_push_pull_output(); // LD2, yellow
let mut listen_led = gpiob.pb14.into_push_pull_output(); // LD3, red
link_led.set_low().ok();
status_led.set_low().ok();
listen_led.set_low().ok();
// let mut link_led = gpiob.pb0.into_push_pull_output(); // LED1, green
// let mut status_led = gpioe.pe1.into_push_pull_output(); // LD2, yellow
// let mut listen_led = gpiob.pb14.into_push_pull_output(); // LD3, red
// link_led.set_low().ok();
// status_led.set_low().ok();
// listen_led.set_low().ok();
// Setup CDONE for checking
let fpga_cdone = gpiod.pd15.into_pull_up_input();
match fpga_cdone.is_high() {
Ok(true) => hprintln!("FPGA is ready."),
Ok(_) => hprintln!("FPGA is in reset state."),
Err(_) => hprintln!("Error: Cannot read C_DONE"),
}.unwrap();
// Setup Urukul
/*
* Using SPI1, AF5
* SCLK -> PA5
* MOSI -> PB5
* MISO -> PA6
* CS -> 0: PB12, 1: PA15, 2: PC7
*/
let sclk = gpioa.pa5.into_alternate_af5();
let mosi = gpiob.pb5.into_alternate_af5();
let miso = gpioa.pa6.into_alternate_af5();
let (cs0, cs1, cs2) = (
gpiob.pb12.into_push_pull_output(),
gpioa.pa15.into_push_pull_output(),
gpioc.pc7.into_push_pull_output(),
);
/*
* I/O_Update -> PB15
*/
let io_update = gpiob.pb15.into_push_pull_output();
let spi = dp.SPI1.spi(
(sclk, miso, mosi),
spi::MODE_0,
3.mhz(),
ccdr.peripheral.SPI1,
&ccdr.clocks,
);
let switch = CPLD::new(spi, (cs0, cs1, cs2), io_update);
let parts = switch.split();
let mut urukul = Urukul::new(
parts.spi1, parts.spi2, parts.spi3, parts.spi4, parts.spi5, parts.spi6, parts.spi7,
[25_000_000, 25_000_000, 25_000_000, 25_000_000]
);
// Setup ethernet pins
setup_ethernet_pins(
@ -192,18 +264,17 @@ fn main() -> ! {
.finalize();
// SCPI configs
let mut my_device = MyDevice {};
// Device was declared in prior
let mut errors = ArrayErrorQueue::<[Error; 10]>::new();
let mut context = Context::new(&mut my_device, &mut errors, TREE);
let mut context = Context::new(&mut urukul, &mut errors, TREE);
//Response bytebuffer
let mut buf = ArrayVecFormatter::<[u8; 256]>::new();
// SCPI configs END
// TODO: Need Iinitialize TCP socket storage?
// Yes cannot into vectors
// TCP socket buffers
let mut rx_storage = [0; BUFFER_SIZE];
let mut tx_storage = [0; BUFFER_SIZE];
@ -242,11 +313,9 @@ fn main() -> ! {
match iface.poll(&mut sockets, Instant::from_millis(_time as i64)) {
Ok(_) => {
eth_up = true;
link_led.set_high().unwrap();
},
Err(e) => {
eth_up = false;
link_led.set_low().unwrap();
},
};
@ -258,16 +327,6 @@ fn main() -> ! {
socket.set_timeout(Some(Duration::from_millis(5000)));
}
match socket.is_listening() {
false => listen_led.set_low().unwrap(),
_ => listen_led.set_high().unwrap(),
};
match socket.is_active() {
true => status_led.set_high().unwrap(),
_ => status_led.set_low().unwrap(),
};
if socket.can_recv() && receive_and_not_send {
let data = socket.recv(|buffer| {
(buffer.len(), buffer)
@ -292,12 +351,8 @@ fn main() -> ! {
socket.listen(7000).unwrap();
socket.set_timeout(Some(Duration::from_millis(1000000)));
}
if socket.can_recv() {
// hprintln!("{:?}", socket.recv(|buffer| {
// (buffer.len(), str::from_utf8(buffer).unwrap())
// })).unwrap();
let result = context.run(socket.recv(|buffer| {
(buffer.len(), buffer)
}).unwrap(), &mut buf);
@ -305,7 +360,6 @@ fn main() -> ! {
writeln!(socket, "{}", str::from_utf8(err.get_message()).unwrap());
} else {
write!(socket, "{}", str::from_utf8(buf.as_slice()).unwrap());
//break;
}
}
}

165
src/cpld.rs Normal file
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@ -0,0 +1,165 @@
use crate::Error;
use crate::spi_slave::Parts;
use embedded_hal::{
digital::v2::OutputPin,
blocking::spi::Transfer,
};
use core::cell;
/*
* Basic structure for CPLD signal multiplexing
*/
#[derive(Debug)]
pub struct CPLDData<SPI, CS0, CS1, CS2, GPIO> {
pub(crate) spi: SPI,
pub(crate) chip_select: (CS0, CS1, CS2),
pub(crate) io_update: GPIO,
}
#[derive(Debug)]
pub struct CPLD<SPI, CS0, CS1, CS2, GPIO> {
pub(crate) data: cell::RefCell<CPLDData<SPI, CS0, CS1, CS2, GPIO>>,
}
pub trait SelectChip {
type Error;
fn select_chip(&mut self, chip: u8) -> Result<(), Self::Error>;
}
impl<SPI, CS0, CS1, CS2, GPIO, E> SelectChip for CPLDData<SPI, CS0, CS1, CS2, GPIO>
where
SPI: Transfer<u8, Error = E>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin,
{
type Error = Error<E>;
fn select_chip(&mut self, chip: u8) -> Result<(), Self::Error> {
match chip & (1 << 0) {
0 => self.chip_select.0.set_low(),
_ => self.chip_select.0.set_high(),
}.map_err(|_| Error::CSError)?;
match chip & (1 << 1) {
0 => self.chip_select.1.set_low(),
_ => self.chip_select.1.set_high(),
}.map_err(|_| Error::CSError)?;
match chip & (1 << 2) {
0 => self.chip_select.2.set_low(),
_ => self.chip_select.2.set_high(),
}.map_err(|_| Error::CSError)?;
Ok(())
}
}
pub trait IssueIOUpdate {
type Error;
fn issue_io_update(&mut self) -> Result<(), Self::Error>;
}
impl<SPI, CS0, CS1, CS2, GPIO, E> IssueIOUpdate for CPLDData<SPI, CS0, CS1, CS2, GPIO>
where
SPI: Transfer<u8>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin<Error = E>,
{
type Error = Error<E>;
fn issue_io_update(&mut self) -> Result<(), Self::Error> {
self.io_update.set_high().map_err(|_| Error::IOUpdateError)?;
self.io_update.set_low().map_err(|_| Error::IOUpdateError)
}
}
pub trait DoOnGetRefMutData<SPI, CS0, CS1, CS2, GPIO> {
fn do_on_get_ref_mut_data<R, E>(
&self,
f: impl FnOnce(cell::RefMut<CPLDData<SPI, CS0, CS1, CS2, GPIO>>) -> Result<R, Error<E>>,
) -> Result<R, Error<E>>;
}
impl<SPI, CS0, CS1, CS2, GPIO> DoOnGetRefMutData<SPI, CS0, CS1, CS2, GPIO> for CPLD<SPI, CS0, CS1, CS2, GPIO> {
fn do_on_get_ref_mut_data<R, E>(
&self,
f: impl FnOnce(cell::RefMut<CPLDData<SPI, CS0, CS1, CS2, GPIO>>) -> Result<R, Error<E>>,
) -> Result<R, Error<E>> {
let dev = self
.data
.try_borrow_mut()
.map_err(|_| Error::GetRefMutDataError)?;
f(dev)
}
}
impl<SPI, CS0, CS1, CS2, GPIO, E> Transfer<u8> for CPLD<SPI, CS0, CS1, CS2, GPIO>
where
SPI: Transfer<u8, Error = E>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin,
{
type Error = Error<E>;
fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
self.do_on_get_ref_mut_data(move |mut dev| dev.spi.transfer(words).map_err(Error::SPI))
}
}
impl<SPI, CS0, CS1, CS2, GPIO, E> CPLD<SPI, CS0, CS1, CS2, GPIO> where
SPI: Transfer<u8, Error = E>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin
{
// Constructor for CPLD
pub fn new(spi: SPI, chip_select: (CS0, CS1, CS2), io_update: GPIO) -> Self {
// Init data
let data = CPLDData {
spi,
chip_select,
io_update,
};
// Init CPLD
CPLD {
data: cell::RefCell::new(data),
}
}
// Destroy the wrapper, return the CPLD data
pub fn destroy(self) -> (SPI, (CS0, CS1, CS2), GPIO) {
let cpld = self.data.into_inner();
(cpld.spi, cpld.chip_select, cpld.io_update)
}
// Split SPI into chips, wrapped by Parts struct
pub fn split<'a>(&'a self) -> Parts<'a, CPLD<SPI, CS0, CS1, CS2, GPIO>, SPI, CS0, CS1, CS2, GPIO> {
Parts::new(&self)
}
// Select Chip
pub fn select_chip(&mut self, channel: u8) -> Result<(), Error<E>> {
self.do_on_get_ref_mut_data(|mut dev| dev.select_chip(channel))
}
}
impl<SPI, CS0, CS1, CS2, GPIO, E> CPLD<SPI, CS0, CS1, CS2, GPIO>
where
SPI: Transfer<u8>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin<Error = E>
{
// Issue I/O Update
pub fn issue_io_update(&mut self) -> Result<(), Error<E>> {
self.do_on_get_ref_mut_data(|mut dev| dev.issue_io_update())
}
}

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@ -4,9 +4,10 @@ use embedded_hal::{
digital::v2::OutputPin,
blocking::spi::Transfer,
};
use core::cell;
use core::{
cell,
marker::PhantomData,
};
use cortex_m;
use cortex_m_semihosting::hprintln;
@ -14,11 +15,24 @@ use cortex_m_semihosting::hprintln;
pub mod bitmask_macro;
pub mod spi_slave;
use crate::spi_slave::Parts;
use crate::spi_slave::{
Parts,
SPISlave,
};
pub mod cpld;
use crate::cpld::CPLD;
use crate::cpld::DoOnGetRefMutData;
pub mod config_register;
use crate::config_register::ConfigRegister;
pub mod attenuator;
use crate::attenuator::Attenuator;
pub mod dds;
use crate::dds::DDS;
pub mod scpi;
/*
@ -35,158 +49,86 @@ pub enum Error<E> {
}
/*
* Basic structure for CPLD signal multiplexing
* Struct for Urukul master device
*/
#[derive(Debug)]
pub struct CPLDData<SPI, CS0, CS1, CS2, GPIO> {
pub(crate) spi: SPI,
pub(crate) chip_select: (CS0, CS1, CS2),
pub(crate) io_update: GPIO,
pub struct Urukul<SPI> {
config_register: ConfigRegister<SPI>,
attenuator: Attenuator<SPI>,
dds: [DDS<SPI>; 4],
}
#[derive(Debug)]
pub struct CPLD<SPI, CS0, CS1, CS2, GPIO> {
pub(crate) data: cell::RefCell<CPLDData<SPI, CS0, CS1, CS2, GPIO>>,
}
pub trait SelectChip {
type Error;
fn select_chip(&mut self, chip: u8) -> Result<(), Self::Error>;
}
impl<SPI, CS0, CS1, CS2, GPIO, E> SelectChip for CPLDData<SPI, CS0, CS1, CS2, GPIO>
impl<SPI, E> Urukul<SPI>
where
SPI: Transfer<u8, Error = E>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin,
{
type Error = Error<E>;
fn select_chip(&mut self, chip: u8) -> Result<(), Self::Error> {
match chip & (1 << 0) {
0 => self.chip_select.0.set_low(),
_ => self.chip_select.0.set_high(),
}.map_err(|_| Error::CSError)?;
match chip & (1 << 1) {
0 => self.chip_select.1.set_low(),
_ => self.chip_select.1.set_high(),
}.map_err(|_| Error::CSError)?;
match chip & (1 << 2) {
0 => self.chip_select.2.set_low(),
_ => self.chip_select.2.set_high(),
}.map_err(|_| Error::CSError)?;
Ok(())
}
}
trait IssueIOUpdate {
type Error;
fn issue_io_update(&mut self) -> Result<(), Self::Error>;
}
impl<SPI, CS0, CS1, CS2, GPIO, E> IssueIOUpdate for CPLDData<SPI, CS0, CS1, CS2, GPIO>
where
SPI: Transfer<u8>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin<Error = E>,
{
type Error = Error<E>;
fn issue_io_update(&mut self) -> Result<(), Self::Error> {
self.io_update.set_high().map_err(|_| Error::IOUpdateError)?;
self.io_update.set_low().map_err(|_| Error::IOUpdateError)
}
}
pub trait DoOnGetRefMutData<SPI, CS0, CS1, CS2, GPIO> {
fn do_on_get_ref_mut_data<R, E>(
&self,
f: impl FnOnce(cell::RefMut<CPLDData<SPI, CS0, CS1, CS2, GPIO>>) -> Result<R, Error<E>>,
) -> Result<R, Error<E>>;
}
impl<SPI, CS0, CS1, CS2, GPIO> DoOnGetRefMutData<SPI, CS0, CS1, CS2, GPIO> for CPLD<SPI, CS0, CS1, CS2, GPIO> {
fn do_on_get_ref_mut_data<R, E>(
&self,
f: impl FnOnce(cell::RefMut<CPLDData<SPI, CS0, CS1, CS2, GPIO>>) -> Result<R, Error<E>>,
) -> Result<R, Error<E>> {
let dev = self
.data
.try_borrow_mut()
.map_err(|_| Error::GetRefMutDataError)?;
f(dev)
}
}
impl<SPI, CS0, CS1, CS2, GPIO, E> Transfer<u8> for CPLD<SPI, CS0, CS1, CS2, GPIO>
where
SPI: Transfer<u8, Error = E>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin,
{
type Error = Error<E>;
fn transfer<'w>(&mut self, words: &'w mut [u8]) -> Result<&'w [u8], Self::Error> {
self.do_on_get_ref_mut_data(move |mut dev| dev.spi.transfer(words).map_err(Error::SPI))
}
}
impl<SPI, CS0, CS1, CS2, GPIO, E> CPLD<SPI, CS0, CS1, CS2, GPIO> where
SPI: Transfer<u8, Error = E>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin
{
// Constructor for CPLD
pub fn new(spi: SPI, chip_select: (CS0, CS1, CS2), io_update: GPIO) -> Self {
// Init data
let data = CPLDData {
spi,
chip_select,
io_update,
};
// Init CPLD
CPLD {
data: cell::RefCell::new(data),
/*
* Master constructor for the entire Urukul device
* Supply 7 SPI channels to Urukul and 4 reference clock frequencies
*/
pub fn new(spi1: SPI, spi2: SPI, spi3: SPI, spi4: SPI, spi5: SPI, spi6: SPI, spi7: SPI, f_ref_clks: [u64; 4]) -> Self {
// Construct Urukul
Urukul {
config_register: ConfigRegister::new(spi1),
attenuator: Attenuator::new(spi2),
dds: [
DDS::new(spi4, f_ref_clks[1]),
DDS::new(spi5, f_ref_clks[1]),
DDS::new(spi6, f_ref_clks[2]),
DDS::new(spi7, f_ref_clks[3]),
],
}
}
// Destroy the wrapper, return the CPLD data
pub fn destroy(self) -> (SPI, (CS0, CS1, CS2), GPIO) {
let cpld = self.data.into_inner();
(cpld.spi, cpld.chip_select, cpld.io_update)
}
// Split SPI into chips, wrapped by Parts struct
pub fn split<'a>(&'a self) -> Parts<'a, CPLD<SPI, CS0, CS1, CS2, GPIO>, SPI, CS0, CS1, CS2, GPIO> {
Parts::new(&self)
}
// Select Chip
pub fn select_chip(&mut self, channel: u8) -> Result<(), Error<E>> {
self.do_on_get_ref_mut_data(|mut dev| dev.select_chip(channel))
}
}
impl<SPI, CS0, CS1, CS2, GPIO, E> CPLD<SPI, CS0, CS1, CS2, GPIO>
where
SPI: Transfer<u8>,
CS0: OutputPin,
CS1: OutputPin,
CS2: OutputPin,
GPIO: OutputPin<Error = E>
{
// Issue I/O Update
pub fn issue_io_update(&mut self) -> Result<(), Error<E>> {
self.do_on_get_ref_mut_data(|mut dev| dev.issue_io_update())
}
}
// /*
// * Struct for a better Urukul master device
// */
// pub struct BetterUrukul<'a, SPI, CS0, CS1, CS2, GPIO> {
// cpld: CPLD<SPI, CS0, CS1, CS2, GPIO>,
// parts: Option<Parts<'a, CPLD<SPI, CS0, CS1, CS2, GPIO>, SPI, CS0, CS1, CS2, GPIO>>,
// config_register: Option<ConfigRegister<SPISlave<'a, CPLD<SPI, CS0, CS1, CS2, GPIO>, SPI, CS0, CS1, CS2, GPIO>>>,
// attenuator: Option<Attenuator<SPISlave<'a, CPLD<SPI, CS0, CS1, CS2, GPIO>, SPI, CS0, CS1, CS2, GPIO>>>,
// dds: [Option<DDS<SPISlave<'a, CPLD<SPI, CS0, CS1, CS2, GPIO>, SPI, CS0, CS1, CS2, GPIO>>>; 4],
// }
// impl<'a, SPI, CS0, CS1, CS2, GPIO> BetterUrukul<'a, SPI, CS0, CS1, CS2, GPIO>
// where
// SPI: Transfer<u8>,
// CS0: OutputPin,
// CS1: OutputPin,
// CS2: OutputPin,
// GPIO: OutputPin,
// {
// pub fn new(spi: SPI, chip_select: (CS0, CS1, CS2), io_update: GPIO) -> Self {
// // let switch = CPLD::new(spi, chip_select, io_update);
// // let parts = switch.split();
// // Construct Urukul
// BetterUrukul {
// cpld: CPLD::new(spi, chip_select, io_update),
// // parts: CPLD::new(spi, chip_select, io_update).split(),
// // config_register: ConfigRegister::new(self.parts.spi1),
// // attenuator: Attenuator::new(self.parts.spi2),
// // dds: [
// // DDS::new(self.parts.spi4, f_ref_clks[1]),
// // DDS::new(self.parts.spi5, f_ref_clks[1]),
// // DDS::new(self.parts.spi6, f_ref_clks[2]),
// // DDS::new(self.parts.spi7, f_ref_clks[3]),
// // ],
// parts: None,
// config_register: None,
// attenuator: None,
// dds: [None, None, None, None],
// }
// }
// pub fn init(&'a mut self, f_ref_clks:[u64; 4]) {
// self.parts = Some(self.cpld.split());
// self.config_register = Some(ConfigRegister::new(self.parts.unwrap().spi1));
// self.attenuator = Some(Attenuator::new(self.parts.unwrap().spi2));
// self.dds[0] = Some(DDS::new(self.parts.unwrap().spi4, f_ref_clks[0]));
// self.dds[1] = Some(DDS::new(self.parts.unwrap().spi5, f_ref_clks[1]));
// self.dds[2] = Some(DDS::new(self.parts.unwrap().spi6, f_ref_clks[2]));
// self.dds[3] = Some(DDS::new(self.parts.unwrap().spi7, f_ref_clks[3]));
// }
// }

View File

@ -15,7 +15,6 @@ use cortex_m_semihosting::hprintln;
use firmware;
use firmware::{
CPLD,
attenuator::Attenuator,
config_register::{
ConfigRegister,
@ -26,6 +25,9 @@ use firmware::{
DDS,
DDSCFRMask,
},
cpld::{
CPLD,
}
};
#[entry]
@ -81,7 +83,7 @@ fn main() -> ! {
);
/*
* I/O_Update -> PB13
* I/O_Update -> PB15
*/
let io_update = gpiob.pb15.into_push_pull_output();

View File

@ -28,7 +28,9 @@ use scpi::{
scpi_tree,
};
pub struct MyDevice;
use crate::Urukul;
// pub struct MyDevice;
pub struct HelloWorldCommand {}
impl Command for HelloWorldCommand {
@ -44,7 +46,11 @@ impl Command for HelloWorldCommand {
}
}
impl Device for MyDevice {
/*
* Implement "Device" trait from SCPI
* TODO: Implement mandatory commands
*/
impl<SPI> Device for Urukul<SPI> {
fn cls(&mut self) -> Result<()> {
Ok(())
}

View File

@ -4,7 +4,8 @@ use embedded_hal::{
};
use core::marker::PhantomData;
use crate::{DoOnGetRefMutData, Error, SelectChip, IssueIOUpdate};
use crate::cpld::{DoOnGetRefMutData, SelectChip, IssueIOUpdate};
use crate::Error;
pub struct SPISlave<'a, DEV: 'a, SPI, CS0, CS1, CS2, GPIO> (
&'a DEV,