forked from M-Labs/humpback-dds
scpi: customise scpi tree macro
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4c88c31aca
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@ -76,8 +76,9 @@ use firmware::{
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cpld::{
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CPLD,
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},
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scpi::{ HelloWorldCommand, Channel1SwitchCommand },
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scpi::{ HelloWorldCommand, Channel1SwitchCommand},
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Urukul,
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scpi_root, recursive_scpi_tree
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};
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use scpi::prelude::*;
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use scpi::ieee488::commands::*;
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@ -99,7 +100,6 @@ use scpi::{
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scpi_crate_version,
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scpi_status,
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scpi_system,
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scpi_tree,
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};
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/// Configure SYSTICK for 1ms timebase
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@ -295,63 +295,10 @@ fn main() -> ! {
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.finalize();
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// SCPI configs
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// TODO: String for *idn? mandated command
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// SCPI tree
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let tree = scpi_tree![
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// Create default IEEE488 mandated commands
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ieee488_cls!(),
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ieee488_ese!(),
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ieee488_esr!(),
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// ieee488_idn!(b"manufacturer", b"model", b"serial", "0.1.2".as_bytes()),
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ieee488_opc!(),
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ieee488_rst!(),
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ieee488_sre!(),
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ieee488_stb!(),
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ieee488_tst!(),
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ieee488_wai!(),
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// Create default SCPI mandated STATus subsystem
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scpi_status!(),
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// Create default SCPI mandated SYSTem subsystem
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scpi_system!(),
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//
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scpi_crate_version!(),
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//Test
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Node {
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name: b"EXAMple",
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optional: true,
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handler: None,
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sub: &[
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Node {
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name: b"HELLO",
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optional: false,
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handler: None,
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sub: &[
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Node {
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name: b"WORLD",
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optional: true,
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handler: Some(&HelloWorldCommand {}),
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sub: &[],
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}
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],
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},
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],
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},
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Node {
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name: b"CHANNEL1",
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optional: false,
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handler: None,
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sub: &[
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Node {
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name: b"SWitch",
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optional: false,
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handler: Some(&Channel1SwitchCommand {}),
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sub: &[],
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}
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],
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}
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];
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let tree = scpi_root!(
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["EXAMple"] => {"HELLO" => {"WORLD" => HelloWorldCommand}};
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"CHANNEL1" => {"SWitch" => Channel1SwitchCommand}
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);
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// Device was declared in prior
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let mut errors = ArrayErrorQueue::<[Error; 10]>::new();
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95
src/scpi.rs
95
src/scpi.rs
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@ -6,6 +6,7 @@ use scpi::prelude::*;
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use scpi::NumericValues;
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use core::convert::{TryFrom, TryInto};
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use core::str;
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use scpi::ieee488::commands::*;
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use scpi::scpi::commands::*;
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use scpi::{
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@ -25,7 +26,6 @@ use scpi::{
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scpi_crate_version,
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scpi_status,
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scpi_system,
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scpi_tree,
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};
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use embedded_hal::blocking::spi::Transfer;
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@ -33,7 +33,89 @@ use cortex_m_semihosting::hprintln;
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use crate::{Urukul, UrukulTraits, Error as UrukulError};
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// pub struct MyDevice;
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#[macro_export]
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macro_rules! recursive_scpi_tree {
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// Handle optional headers (end-node)
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([$header_name: expr] => $handler: ident) => {
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Node {
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name: str::as_bytes($header_name),
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handler: Some(&$handler{}),
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sub: &[],
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optional: true,
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}
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};
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// Handle non-optinal header (end-node)
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($header_name: expr => $handler: ident) => {
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Node {
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name: str::as_bytes($header_name),
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handler: Some(&$handler{}),
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sub: &[],
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optional: false,
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}
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};
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// Handle optional header with sub-commands
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([$header_name: expr] => {$($($rest: tt)=>*);*}) => {
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Node {
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name: str::as_bytes($header_name),
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handler: None,
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sub: &[
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$(
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recursive_scpi_tree!($($rest)=>*),
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)*
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],
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optional: true,
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}
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};
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// Handle non-optional header with sub-commands
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($header_name: expr => {$($($rest: tt)=>*);*}) => {
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Node {
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name: str::as_bytes($header_name),
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handler: None,
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sub: &[
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$(
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recursive_scpi_tree!($($rest)=>*),
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)*
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],
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optional: false,
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}
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};
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}
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#[macro_export]
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macro_rules! scpi_root {
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($($($node: tt)=>*);*) => {
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&Node {
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name: b"ROOT",
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optional: false,
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handler: None,
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sub: &[
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// Create default IEEE488 mandated commands
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ieee488_cls!(),
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ieee488_ese!(),
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ieee488_esr!(),
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ieee488_idn!(b"manufacturer", b"model", b"serial", b"0.1.2"),
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ieee488_opc!(),
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ieee488_rst!(),
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ieee488_sre!(),
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ieee488_stb!(),
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ieee488_tst!(),
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ieee488_wai!(),
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// Create default SCPI mandated STATus subsystem
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scpi_status!(),
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// Create default SCPI mandated SYSTem subsystem
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scpi_system!(),
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//
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scpi_crate_version!(),
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$(
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recursive_scpi_tree!($($node)=>*),
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)*
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]
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}
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};
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}
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pub struct HelloWorldCommand {}
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impl<T: Device> Command<T> for HelloWorldCommand {
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@ -72,15 +154,6 @@ impl<T: Device + UrukulTraits> Command<T> for Channel1SwitchCommand {
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}
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}
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// pub struct SwitchCnannelCommand {}
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// impl<T: Device + UrukulTraits> Command<T> for SwitchChannelCommand {
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// nquery!();
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// fn event(&self, context: &mut Context<T>, args: &mut Tokenizer) -> Result<()> {
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// }
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// }
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/*
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* Implement "Device" trait from SCPI
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* TODO: Implement mandatory commands
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