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scpi: adopt rust standard on result/option handling

This commit is contained in:
occheung 2020-09-14 15:36:03 +08:00
parent b11891e57f
commit 43ccb86697
12 changed files with 577 additions and 234 deletions
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7
Cargo.toml
View File

@ -20,10 +20,8 @@ heapless = "0.5.5"
# Logging and Panicking
panic-itm = "0.4.1"
panic-semihosting = { version = "0.5.3", features = [ "exit" ] }
cortex-m-rtic = "0.5.3"
cortex-m-log = { version = "0.6.2", features = [ "itm", "log-integration", "semihosting" ] }
cortex-m-semihosting = "0.3.3"
cortex-m-log = { version = "0.6.2", features = [ "itm", "log-integration" ] }
log = {version = "0.4.11"}
lazy_static = { version = "1.4.0", features = ["spin_no_std"] }
@ -45,6 +43,9 @@ name = "tcp_client"
[[example]]
name = "mqtt_client"
[[example]]
name = "mqtt_hello_world"
# Uncomment for the allocator example.
# alloc-cortex-m = "0.3.5"

9
examples/ethernet.rs
View File

@ -1,28 +1,19 @@
#![no_main]
#![no_std]
// extern crate cortex_m_rt as rt;
use core::sync::atomic::{AtomicU32, Ordering};
#[macro_use]
extern crate log;
// extern crate cortex_m;
use panic_semihosting as _;
use cortex_m;
use cortex_m::asm::nop;
use cortex_m_rt::{
entry,
exception,
};
use cortex_m_semihosting::hprintln;
extern crate smoltcp;
// Ethernet crate for STM32H7 has been merged into HAL in the latest commit
// extern crate stm32h7_ethernet as ethernet;
use stm32h7xx_hal::ethernet;
use stm32h7xx_hal::gpio::Speed;
use stm32h7xx_hal::hal::digital::v2::{

3
examples/fpga_config.rs
View File

@ -3,9 +3,6 @@
#[macro_use]
extern crate log;
use panic_semihosting as _;
use stm32h7xx_hal::hal::digital::v2::{
InputPin,
OutputPin,

91
examples/mqtt_client.rs
View File

@ -19,10 +19,6 @@ use cortex_m_rt::{
entry,
exception,
};
use cortex_m_semihosting::hprintln;
// use panic_halt as _;
use rtic::cyccnt::{Instant, U32Ext};
use minimq::{
@ -67,8 +63,6 @@ macro_rules! add_socket {
#[entry]
fn main() -> ! {
// logger::semihosting_init();
let mut cp = cortex_m::Peripherals::take().unwrap();
let dp = pac::Peripherals::take().unwrap();
@ -84,15 +78,17 @@ fn main() -> ! {
let rcc = dp.RCC.constrain();
let ccdr = rcc
.use_hse(16.mhz())
.use_hse(8.mhz())
.sysclk(400.mhz())
.hclk(200.mhz())
.per_ck(100.mhz())
.pll1_q_ck(48.mhz()) // for SPI
.pll2_p_ck(100.mhz())
.pll2_q_ck(100.mhz())
.pll1_r_ck(400.mhz()) // for TRACECK
.freeze(vos, &dp.SYSCFG);
unsafe {
logger::enable_itm(&dp.DBGMCU, &mut cp.DCB, &mut cp.ITM);
}
logger::init();
let mut delay = cp.SYST.delay(ccdr.clocks);
let gpioa = dp.GPIOA.split(ccdr.peripheral.GPIOA);
@ -103,13 +99,6 @@ fn main() -> ! {
let gpiof = dp.GPIOF.split(ccdr.peripheral.GPIOF);
let gpiog = dp.GPIOG.split(ccdr.peripheral.GPIOG);
let mut yellow_led = gpioe.pe1.into_push_pull_output();
yellow_led.set_low().unwrap();
let mut red_led = gpiob.pb14.into_push_pull_output();
red_led.set_high().unwrap();
let mut green_led = gpiob.pb0.into_push_pull_output();
green_led.set_low().unwrap();
// Configure ethernet IO
{
let _rmii_refclk = gpioa.pa1.into_alternate_af11().set_speed(Speed::VeryHigh);
@ -125,7 +114,7 @@ fn main() -> ! {
// Configure ethernet
let mac_addr = net::wire::EthernetAddress([0xAC, 0x6F, 0x7A, 0xDE, 0xD6, 0xC8]);
let (eth_dma, _eth_mac) = unsafe {
let (eth_dma, mut eth_mac) = unsafe {
ethernet::new_unchecked(
dp.ETHERNET_MAC,
dp.ETHERNET_MTL,
@ -143,15 +132,10 @@ fn main() -> ! {
let neighbor_cache = net::iface::NeighborCache::new(&mut store.neighbor_cache[..]);
let default_v4_gw = net::wire::Ipv4Address::new(192, 168, 1, 1);
let mut routes = net::iface::Routes::new(&mut store.routes_cache[..]);
routes.add_default_ipv4_route(default_v4_gw).unwrap();
let mut net_interface = net::iface::EthernetInterfaceBuilder::new(eth_dma)
.ethernet_addr(mac_addr)
.neighbor_cache(neighbor_cache)
.ip_addrs(&mut store.ip_addrs[..])
// .routes(routes)
.finalize();
/*
@ -192,13 +176,13 @@ fn main() -> ! {
cp.SCB.invalidate_icache();
cp.SCB.enable_icache();
// cp.SCB.clean_dcache(&mut cp.CPUID);
// cp.SCB.disable_dcache(&mut cp.CPUID);
// cp.SCB.enable_dcache(&mut cp.CPUID);
// Time unit in ms
let mut time: u32 = 0;
let mut next_ms = Instant::now();
// Cycle counter for 1 ms
// This effectively provides a conversion from rtic unit to ms
let mut next_ms = Instant::now();
next_ms += 400_000.cycles();
let mut socket_set_entries: [_; 8] = Default::default();
@ -212,50 +196,33 @@ fn main() -> ! {
tcp_stack,
)
.unwrap();
delay.delay_ms(1000_u16);
client.network_stack.update(time);
green_led.set_high().unwrap();
let mut tick = false;
loop {
let tick = Instant::now() > next_ms;
if tick {
next_ms += 400_000.cycles();
// Update time accumulator in ms
// Tick once every ms
if Instant::now() > next_ms {
tick = true;
time += 1;
next_ms += 400_000.cycles();
}
client.network_stack.update(time);
// Poll if necessary
if tick && client.network_stack.update_delay(time) == 0 && eth_mac.phy_poll_link() {
client.network_stack.update(time);
}
client
let connection = client
.poll(|_client, topic, message, _properties| match topic {
_ => info!("On '{:?}', received: {:?}", topic, message),
})
.unwrap();
}).is_ok();
match client.is_connected() {
true => {
yellow_led.set_high().unwrap();
red_led.set_low().unwrap();
},
_ => {
yellow_led.set_low().unwrap();
red_led.set_high().unwrap();
},
};
if tick && (time % 1000) == 0 {
client
.publish("nucleo", "Hello, World!".as_bytes(), QoS::AtMostOnce, &[])
.unwrap();
if connection && tick && (time % 3000) == 0 {
info!("Feedback from print publish: {:?}", client
.publish("Channel1/Switch", "Hello, World!".as_bytes(), QoS::AtMostOnce, &[]));
}
// Update the TCP stack.
// let sleep = client.network_stack.update(time);
// if sleep {
// //cortex_m::asm::wfi();
// cortex_m::asm::nop();
// }
// Reset tick flag
tick = false;
}
}
}

266
examples/mqtt_hello_world.rs Normal file
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@ -0,0 +1,266 @@
#![no_std]
#![no_main]
#[macro_use]
extern crate log;
use smoltcp as net;
// use stm32h7_ethernet as ethernet;
use stm32h7xx_hal::{gpio::Speed, prelude::*, ethernet};
use heapless::{consts, String};
// use si7021::Si7021;
use cortex_m;
use panic_halt as _;
// use serde::{Deserialize, Serialize};
use rtic::cyccnt::{Instant, U32Ext};
mod tcp_stack;
#[path = "util/logger.rs"]
mod logger;
use minimq::{
embedded_nal::{IpAddr, Ipv4Addr},
MqttClient, QoS,
};
use tcp_stack::NetworkStack;
pub struct NetStorage {
ip_addrs: [net::wire::IpCidr; 1],
neighbor_cache: [Option<(net::wire::IpAddress, net::iface::Neighbor)>; 8],
}
static mut NET_STORE: NetStorage = NetStorage {
// Placeholder for the real IP address, which is initialized at runtime.
ip_addrs: [net::wire::IpCidr::Ipv6(
net::wire::Ipv6Cidr::SOLICITED_NODE_PREFIX,
)],
neighbor_cache: [None; 8],
};
#[link_section = ".sram3.eth"]
static mut DES_RING: ethernet::DesRing = ethernet::DesRing::new();
// #[derive(Serialize, Deserialize)]
// struct Temperature {
// temperature_c: f32,
// }
type NetworkInterface =
net::iface::EthernetInterface<'static, 'static, 'static, ethernet::EthernetDMA<'static>>;
macro_rules! add_socket {
($sockets:ident, $tx_storage:ident, $rx_storage:ident) => {
let mut $rx_storage = [0; 4096];
let mut $tx_storage = [0; 4096];
let tcp_socket = {
let tx_buffer = net::socket::TcpSocketBuffer::new(&mut $tx_storage[..]);
let rx_buffer = net::socket::TcpSocketBuffer::new(&mut $rx_storage[..]);
net::socket::TcpSocket::new(tx_buffer, rx_buffer)
};
let _handle = $sockets.add(tcp_socket);
};
}
// #[cfg(not(feature = "semihosting"))]
// fn init_log() {}
// #[cfg(feature = "semihosting")]
// fn init_log() {
// use cortex_m_log::log::{init as init_log, Logger};
// use cortex_m_log::printer::semihosting::{hio::HStdout, InterruptOk};
// use log::LevelFilter;
// static mut LOGGER: Option<Logger<InterruptOk<HStdout>>> = None;
// let logger = Logger {
// inner: InterruptOk::<_>::stdout().unwrap(),
// level: LevelFilter::Info,
// };
// let logger = unsafe { LOGGER.get_or_insert(logger) };
// init_log(logger).unwrap();
// }
#[rtic::app(device = stm32h7xx_hal::stm32, peripherals = true, monotonic = rtic::cyccnt::CYCCNT)]
const APP: () = {
struct Resources {
net_interface: NetworkInterface,
// si7021: Si7021<stm32h7xx_hal::i2c::I2c<stm32h7xx_hal::stm32::I2C2>>,
}
#[init]
fn init(c: init::Context) -> init::LateResources {
let mut cp = unsafe {
cortex_m::Peripherals::steal()
};
cp.DWT.enable_cycle_counter();
// Enable SRAM3 for the descriptor ring.
c.device.RCC.ahb2enr.modify(|_, w| w.sram3en().set_bit());
let rcc = c.device.RCC.constrain();
let pwr = c.device.PWR.constrain();
let vos = pwr.freeze();
let ccdr = rcc
.sysclk(400.mhz())
.hclk(200.mhz())
.per_ck(100.mhz())
.pll1_r_ck(400.mhz()) // for TRACECK
.pll2_p_ck(100.mhz())
.pll2_q_ck(100.mhz())
.freeze(vos, &c.device.SYSCFG);
unsafe {
logger::enable_itm(&c.device.DBGMCU, &mut cp.DCB, &mut cp.ITM);
}
logger::init();
let gpioa = c.device.GPIOA.split(ccdr.peripheral.GPIOA);
let gpiob = c.device.GPIOB.split(ccdr.peripheral.GPIOB);
let gpioc = c.device.GPIOC.split(ccdr.peripheral.GPIOC);
let gpiof = c.device.GPIOF.split(ccdr.peripheral.GPIOF);
let gpiog = c.device.GPIOG.split(ccdr.peripheral.GPIOG);
// Configure ethernet IO
{
let _rmii_refclk = gpioa.pa1.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_mdio = gpioa.pa2.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_mdc = gpioc.pc1.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_crs_dv = gpioa.pa7.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_rxd0 = gpioc.pc4.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_rxd1 = gpioc.pc5.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_tx_en = gpiog.pg11.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_txd0 = gpiog.pg13.into_alternate_af11().set_speed(Speed::VeryHigh);
let _rmii_txd1 = gpiob.pb13.into_alternate_af11().set_speed(Speed::VeryHigh);
}
// Configure ethernet
let net_interface = {
let mac_addr = net::wire::EthernetAddress([0xAC, 0x6F, 0x7A, 0xDE, 0xD6, 0xC8]);
let (eth_dma, mut _eth_mac) = unsafe {
ethernet::new_unchecked(
c.device.ETHERNET_MAC,
c.device.ETHERNET_MTL,
c.device.ETHERNET_DMA,
&mut DES_RING,
mac_addr.clone(),
)
};
while !_eth_mac.phy_poll_link() {}
unsafe { ethernet::enable_interrupt() }
let store = unsafe { &mut NET_STORE };
store.ip_addrs[0] = net::wire::IpCidr::new(net::wire::IpAddress::v4(192, 168, 1, 200), 24);
let neighbor_cache = net::iface::NeighborCache::new(&mut store.neighbor_cache[..]);
net::iface::EthernetInterfaceBuilder::new(eth_dma)
.ethernet_addr(mac_addr)
.neighbor_cache(neighbor_cache)
.ip_addrs(&mut store.ip_addrs[..])
.finalize()
};
// Configure I2C
// let si7021 = {
// let i2c_sda = gpiof.pf0.into_open_drain_output().into_alternate_af4();
// let i2c_scl = gpiof.pf1.into_open_drain_output().into_alternate_af4();
// let i2c = c.device.I2C2.i2c(
// (i2c_scl, i2c_sda),
// 100.khz(),
// ccdr.peripheral.I2C2,
// &ccdr.clocks,
// );
// Si7021::new(i2c)
// };
cp.SCB.enable_icache();
init::LateResources {
net_interface: net_interface,
// si7021: si7021,
}
}
#[idle(resources=[net_interface])]
fn idle(c: idle::Context) -> ! {
let mut time: u32 = 0;
let mut next_ms = Instant::now();
next_ms += 400_00.cycles();
let mut socket_set_entries: [_; 8] = Default::default();
let mut sockets = net::socket::SocketSet::new(&mut socket_set_entries[..]);
add_socket!(sockets, rx_storage, tx_storage);
let tcp_stack = NetworkStack::new(c.resources.net_interface, sockets);
let mut client = MqttClient::<consts::U256, _>::new(
IpAddr::V4(Ipv4Addr::new(192, 168, 1, 125)),
"nucleo",
tcp_stack,
)
.unwrap();
loop {
let tick = Instant::now() > next_ms;
if tick {
next_ms += 400_000.cycles();
time += 1;
}
if tick && (time % 1000) == 0 {
client
.publish("nucleo", "Hello, World!".as_bytes(), QoS::AtMostOnce, &[])
.unwrap();
// let temperature = Temperature {
// temperature_c: c.resources.si7021.temperature_celsius().unwrap(),
// };
// let temperature: String<consts::U256> =
// serde_json_core::to_string(&temperature).unwrap();
// client
// .publish(
// "temperature",
// &temperature.into_bytes(),
// QoS::AtMostOnce,
// &[],
// )
// .unwrap();
}
client
.poll(|_client, topic, message, _properties| match topic {
_ => info!("On '{:?}', received: {:?}", topic, message),
});
// .unwrap();
// Update the TCP stack.
let sleep = client.network_stack.update(time);
if sleep {
//cortex_m::asm::wfi();
cortex_m::asm::nop();
}
}
}
#[task(binds=ETH)]
fn eth(_: eth::Context) {
unsafe { ethernet::interrupt_handler() }
}
};

32
examples/tcp_client.rs
View File

@ -85,7 +85,7 @@ fn main() -> ! {
let ccdr = rcc
.use_hse(8.mhz())
.sysclk(400.mhz())
// .hclk(200.mhz())
.hclk(200.mhz())
// .per_ck(100.mhz())
.pll1_q_ck(48.mhz()) // for SPI
.pll1_r_ck(400.mhz()) // for TRACECK
@ -133,7 +133,7 @@ fn main() -> ! {
// Configure ethernet
let mac_addr = net::wire::EthernetAddress([0xAC, 0x6F, 0x7A, 0xDE, 0xD6, 0xC8]);
let (eth_dma, _eth_mac) = unsafe {
let (eth_dma, mut eth_mac) = unsafe {
ethernet::new_unchecked(
dp.ETHERNET_MAC,
dp.ETHERNET_MTL,
@ -219,12 +219,13 @@ fn main() -> ! {
};
let handle = sockets.add(tcp_socket);
delay.delay_ms(2000_u16);
// delay.delay_ms(2000_u16);
green_led.set_high().unwrap();
{
let mut socket = sockets.get::<net::socket::TcpSocket>(handle);
socket.connect((net::wire::IpAddress::v4(192, 168, 1, 125), 1883), 49500).unwrap();
socket.set_timeout(Some(net::time::Duration::from_millis(2000)));
debug!("connect!");
}
@ -232,14 +233,15 @@ fn main() -> ! {
red_led.set_high().unwrap();
let mut green = true;
// let mut eth_status = 0;
// unsafe {
// eth_status = (*pac::ETHERNET_MAC::ptr()).macdr.read().bits();
// debug!("eth_status: {:X}", eth_status);
// }
let mut connected = false;
debug!("Poll link status: {}", eth_mac.phy_poll_link());
while !eth_mac.phy_poll_link() {}
debug!("Poll link status: {}", eth_mac.phy_poll_link());
loop {
// let timestamp = net::time::Instant::from_millis(TIME.load(Ordering::Relaxed) as i64);
while !eth_mac.phy_poll_link() {}
match net_interface.poll(&mut sockets, clock.elapsed()) {
Ok(_) => {},
Err(e) => {
@ -247,20 +249,11 @@ fn main() -> ! {
}
}
// unsafe {
// // let p = &DES_RING as *const _;
// // let tdeses = core::ptr::read_volatile(p as *const [u32; 16]);
// // debug!("{:X?}", core::ptr::read_volatile(tdeses[0] as *const [u32; 20]))
// let new_eth_status = (*pac::ETHERNET_MAC::ptr()).macdr.read().bits();
// if new_eth_status != eth_status {
// eth_status = new_eth_status;
// debug!("eth_status: {:X}", eth_status);
// }
// }
{
let mut socket = sockets.get::<net::socket::TcpSocket>(handle);
info!("Socket state: {} at time {}", socket.state(), clock.elapsed());
if socket.may_recv() {
yellow_led.set_high().unwrap();
red_led.set_low().unwrap();
@ -281,6 +274,7 @@ fn main() -> ! {
match net_interface.poll_delay(&sockets, clock.elapsed()) {
Some(net::time::Duration {millis :0}) => {
clock.advance(net::time::Duration::from_millis(1));
continue;
}
Some(time_delay) => {

180
examples/tcp_stack.rs Normal file
View File

@ -0,0 +1,180 @@
use core::cell::RefCell;
use nb;
use heapless::{consts, Vec};
use super::{net, NetworkInterface};
use minimq::embedded_nal;
#[derive(Debug)]
pub enum NetworkError {
NoSocket,
ConnectionFailure,
ReadFailure,
WriteFailure,
}
// TODO: The network stack likely needs a time-tracking mechanic here to support
// blocking/nonblocking/timeout based operations.
pub struct NetworkStack<'a, 'b, 'c, 'n> {
network_interface: &'n mut NetworkInterface,
sockets: RefCell<net::socket::SocketSet<'a, 'b, 'c>>,
next_port: RefCell<u16>,
unused_handles: RefCell<Vec<net::socket::SocketHandle, consts::U16>>,
}
impl<'a, 'b, 'c, 'n> NetworkStack<'a, 'b, 'c, 'n> {
pub fn new(
interface: &'n mut NetworkInterface,
sockets: net::socket::SocketSet<'a, 'b, 'c>,
) -> Self {
let mut unused_handles: Vec<net::socket::SocketHandle, consts::U16> = Vec::new();
for socket in sockets.iter() {
unused_handles.push(socket.handle()).unwrap();
}
NetworkStack {
network_interface: interface,
sockets: RefCell::new(sockets),
next_port: RefCell::new(49152),
unused_handles: RefCell::new(unused_handles),
}
}
pub fn update(&mut self, time: u32) -> bool {
match self.network_interface.poll(
&mut self.sockets.borrow_mut(),
net::time::Instant::from_millis(time as i64),
) {
Ok(changed) => changed == false,
Err(e) => {
info!("{:?}", e);
true
}
}
}
fn get_ephemeral_port(&self) -> u16 {
// Get the next ephemeral port
let current_port = self.next_port.borrow().clone();
let (next, wrap) = self.next_port.borrow().overflowing_add(1);
*self.next_port.borrow_mut() = if wrap { 49152 } else { next };
return current_port;
}
}
impl<'a, 'b, 'c, 'n> embedded_nal::TcpStack for NetworkStack<'a, 'b, 'c, 'n> {
type TcpSocket = net::socket::SocketHandle;
type Error = NetworkError;
fn open(&self, _mode: embedded_nal::Mode) -> Result<Self::TcpSocket, Self::Error> {
// TODO: Handle mode?
match self.unused_handles.borrow_mut().pop() {
Some(handle) => {
// Abort any active connections on the handle.
let mut sockets = self.sockets.borrow_mut();
let internal_socket: &mut net::socket::TcpSocket = &mut *sockets.get(handle);
internal_socket.abort();
Ok(handle)
}
None => Err(NetworkError::NoSocket),
}
}
fn connect(
&self,
socket: Self::TcpSocket,
remote: embedded_nal::SocketAddr,
) -> Result<Self::TcpSocket, Self::Error> {
// TODO: Handle socket mode?
let mut sockets = self.sockets.borrow_mut();
let internal_socket: &mut net::socket::TcpSocket = &mut *sockets.get(socket);
// If we're already in the process of connecting, ignore the request silently.
if internal_socket.is_open() {
return Ok(socket);
}
match remote.ip() {
embedded_nal::IpAddr::V4(addr) => {
let address = {
let octets = addr.octets();
net::wire::Ipv4Address::new(octets[0], octets[1], octets[2], octets[3])
};
internal_socket
.connect((address, remote.port()), self.get_ephemeral_port())
.map_err(|_| NetworkError::ConnectionFailure)?;
// internal_socket.set_timeout(Some(net::time::Duration::from_millis(2000)));
}
embedded_nal::IpAddr::V6(addr) => {
let address = {
let octets = addr.segments();
net::wire::Ipv6Address::new(
octets[0], octets[1], octets[2], octets[3], octets[4], octets[5],
octets[6], octets[7],
)
};
internal_socket
.connect((address, remote.port()), self.get_ephemeral_port())
.map_err(|_| NetworkError::ConnectionFailure)?;
// internal_socket.set_timeout(Some(net::time::Duration::from_millis(2000)));
}
};
Ok(socket)
}
fn is_connected(&self, socket: &Self::TcpSocket) -> Result<bool, Self::Error> {
let mut sockets = self.sockets.borrow_mut();
let socket: &mut net::socket::TcpSocket = &mut *sockets.get(*socket);
Ok(socket.may_send() && socket.may_recv())
}
fn write(&self, socket: &mut Self::TcpSocket, buffer: &[u8]) -> nb::Result<usize, Self::Error> {
// TODO: Handle the socket mode.
let mut sockets = self.sockets.borrow_mut();
let socket: &mut net::socket::TcpSocket = &mut *sockets.get(*socket);
let result = socket.send_slice(buffer);
match result {
Ok(num_bytes) => Ok(num_bytes),
Err(_) => Err(nb::Error::Other(NetworkError::WriteFailure)),
}
}
fn read(
&self,
socket: &mut Self::TcpSocket,
buffer: &mut [u8],
) -> nb::Result<usize, Self::Error> {
// TODO: Handle the socket mode.
let mut sockets = self.sockets.borrow_mut();
let socket: &mut net::socket::TcpSocket = &mut *sockets.get(*socket);
let result = socket.recv_slice(buffer);
match result {
Ok(num_bytes) => Ok(num_bytes),
Err(_) => Err(nb::Error::Other(NetworkError::ReadFailure)),
}
}
fn close(&self, socket: Self::TcpSocket) -> Result<(), Self::Error> {
// TODO: Free the ephemeral port in use by the socket.
let mut sockets = self.sockets.borrow_mut();
let internal_socket: &mut net::socket::TcpSocket = &mut *sockets.get(socket);
internal_socket.close();
self.unused_handles.borrow_mut().push(socket).unwrap();
Ok(())
}
}

20
examples/util/logger.rs
View File

@ -48,7 +48,7 @@ pub unsafe fn enable_itm(
);
}
// use panic_itm as _;
use panic_itm as _;
use lazy_static::lazy_static;
use log::LevelFilter;
@ -75,22 +75,4 @@ lazy_static! {
pub fn init() {
cortex_m_log::log::init(&LOGGER).unwrap();
}
// use panic_semihosting as _;
use cortex_m_log::printer::semihosting;
use cortex_m_log::printer::semihosting::Semihosting;
use cortex_m_log::modes::InterruptOk;
use cortex_m_semihosting::hio::HStdout;
lazy_static! {
static ref HLOGGER: Logger<Semihosting<InterruptOk, HStdout>> = Logger {
level: LevelFilter::Trace,
inner: semihosting::InterruptOk::<_>::stdout().expect("Get Semihosting stdout"),
};
}
pub fn semihosting_init() {
cortex_m_log::log::init(&HLOGGER).unwrap();
}

2
gdb_config/fpga_config.gdb
View File

@ -12,7 +12,7 @@ break HardFault
break rust_begin_unwind
# break at line 130 to auto quit
break examples/fpga_config.rs:143
break examples/fpga_config.rs:140
# print using semihosting, slow af
# monitor arm semihosting enable

1
src/lib.rs
View File

@ -55,6 +55,7 @@ pub enum Error<E> {
ParameterError,
}
#[derive(Debug)]
pub enum ClockSource {
OSC,
SMA,

7
src/nal_tcp_client.rs
View File

@ -52,6 +52,13 @@ impl<'a, 'b, 'c, 'n> NetworkStack<'a, 'b, 'c, 'n> {
}
}
pub fn update_delay(&mut self, time: u32) -> u32 {
self.network_interface.poll_delay(
&mut self.sockets.borrow_mut(),
net::time::Instant::from_millis(time as i64),
).map_or(1000, |next_poll_time| next_poll_time.total_millis() as u32)
}
pub fn update(&mut self, time: u32) -> bool {
match self.network_interface.poll(
&mut self.sockets.borrow_mut(),

193
src/scpi.rs
View File

@ -152,20 +152,14 @@ impl<T: Device + UrukulTraits> Command<T> for Channel0SwitchCommand {
nquery!();
fn event(&self, context: &mut Context<T>, args: &mut Tokenizer) -> Result<()> {
match context.device.get_channel_switch_status(0) {
Ok(status) => {
let next_state: bool = match args.next_data(true) {
Ok(Some(token)) => token.try_into()?,
Ok(None) => !status,
Err(_) => return Err(ErrorCode::IllegalParameterValue.into()),
};
match context.device.set_channel_switch(0, next_state) {
Ok(()) => Ok(()),
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
}
},
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
}
let next_state: bool = args.next_data(true)?
.map_or(
context.device.get_channel_switch_status(0)
.map(|current| !current)
.map_err(|_| Error::new(ErrorCode::HardwareError)),
|token| token.try_into()
)?;
context.device.set_channel_switch(0, next_state).map_err(|_| Error::new(ErrorCode::HardwareError))
}
}
@ -173,20 +167,14 @@ impl<T: Device + UrukulTraits> Command<T> for Channel1SwitchCommand {
nquery!();
fn event(&self, context: &mut Context<T>, args: &mut Tokenizer) -> Result<()> {
match context.device.get_channel_switch_status(1) {
Ok(status) => {
let next_state: bool = match args.next_data(true) {
Ok(Some(token)) => token.try_into()?,
Ok(None) => !status,
Err(_) => return Err(ErrorCode::IllegalParameterValue.into()),
};
match context.device.set_channel_switch(1, next_state) {
Ok(()) => Ok(()),
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
}
},
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
}
let next_state: bool = args.next_data(true)?
.map_or(
context.device.get_channel_switch_status(1)
.map(|current| !current)
.map_err(|_| Error::new(ErrorCode::HardwareError)),
|token| token.try_into()
)?;
context.device.set_channel_switch(1, next_state).map_err(|_| Error::new(ErrorCode::HardwareError))
}
}
@ -194,20 +182,14 @@ impl<T: Device + UrukulTraits> Command<T> for Channel2SwitchCommand {
nquery!();
fn event(&self, context: &mut Context<T>, args: &mut Tokenizer) -> Result<()> {
match context.device.get_channel_switch_status(2) {
Ok(status) => {
let next_state: bool = match args.next_data(true) {
Ok(Some(token)) => token.try_into()?,
Ok(None) => !status,
Err(_) => return Err(ErrorCode::IllegalParameterValue.into()),
};
match context.device.set_channel_switch(2, next_state) {
Ok(()) => Ok(()),
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
}
},
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
}
let next_state: bool = args.next_data(true)?
.map_or(
context.device.get_channel_switch_status(2)
.map(|current| !current)
.map_err(|_| Error::new(ErrorCode::HardwareError)),
|token| token.try_into()
)?;
context.device.set_channel_switch(2, next_state).map_err(|_| Error::new(ErrorCode::HardwareError))
}
}
@ -215,74 +197,32 @@ impl<T: Device + UrukulTraits> Command<T> for Channel3SwitchCommand {
nquery!();
fn event(&self, context: &mut Context<T>, args: &mut Tokenizer) -> Result<()> {
match context.device.get_channel_switch_status(3) {
Ok(status) => {
let next_state: bool = match args.next_data(true) {
Ok(Some(token)) => token.try_into()?,
Ok(None) => !status,
Err(_) => return Err(ErrorCode::IllegalParameterValue.into()),
};
match context.device.set_channel_switch(3, next_state) {
Ok(()) => Ok(()),
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
}
},
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
}
let next_state: bool = args.next_data(true)?
.map_or(
context.device.get_channel_switch_status(3)
.map(|current| !current)
.map_err(|_| Error::new(ErrorCode::HardwareError)),
|token| token.try_into()
)?;
context.device.set_channel_switch(3, next_state).map_err(|_| Error::new(ErrorCode::HardwareError))
}
}
// Handle CLOCK:SOURCE command, setup the proper source for the system clock
// Leave clock division to CLOCK:DIVision command
impl<T:Device + UrukulTraits> Command<T> for ClockSourceCommand {
nquery!();
fn event(&self, context: &mut Context<T>, args: &mut Tokenizer) -> Result<()> {
// next_data() fucntion call can never return CharacterProgramData, could be an oversight
let s: &[u8] = match args.next_data(false)? {
Some(Token::CharacterProgramData(s)) => s,
_ => return Err(ErrorCode::IllegalParameterValue.into()),
};
/*
debug!("Converted data: {:?}", data);
if let Ok(str_param) = str::from_utf8(data) {
if let Ok(cmd) = match str_param {
"OSC" => context.device.set_clock_source(ClockSource::OSC),
"MMCX" => context.device.set_clock_source(ClockSource::MMCX),
"SMA" => context.device.set_clock_source(ClockSource::SMA),
_ => {
return Err(ErrorCode::IllegalParameterValue.into());
}
} {
debug!("Finished parsing source");
}
} else {
return Err(ErrorCode::IllegalParameterValue.into());
}
let s: &[u8] = args
.next_data(false)?
.unwrap_or(Token::CharacterProgramData(b"default"))
.try_into()?;
*/
let s_str: &str = str::from_utf8(s)
.map_err(|_| ErrorCode::CharacterDataError)?;
match s_str {
source if source.eq_ignore_ascii_case("OSC") => {
trace!("Changing clock source to OSC");
context.device.set_clock_source(ClockSource::OSC);
},
source if source.eq_ignore_ascii_case("MMCX") => {
trace!("Changing clock source to MMCX");
context.device.set_clock_source(ClockSource::MMCX);
},
source if source.eq_ignore_ascii_case("SMA") => {
trace!("Changing clocksource to SMA");
context.device.set_clock_source(ClockSource::SMA);
},
_ => {
warn!("Clock selection failed! Argument error!");
return Err(ErrorCode::IllegalParameterValue.into());
},
};
.map_err(|_| ErrorCode::CharacterDataError)?;
let frequency: f64::Frequency = args.next_data(true)?
.map_or(Ok(f64::Frequency::new::<hertz>(0.0)), |t| {
@ -291,8 +231,34 @@ impl<T:Device + UrukulTraits> Command<T> for ClockSourceCommand {
_ => Err(ErrorCode::IllegalParameterValue.into()),
})
})?;
debug!("Received frequency: {:?}", frequency);
Ok(())
trace!("Received frequency: {:?}", frequency);
let clock_source = match s_str {
source if source.eq_ignore_ascii_case("OSC") => {
// If clock source is OSC, it must be 100MHz (not configurable)
if frequency.get::<megahertz>() != 100.0 {
warn!("Clock selection failed! OSC must be 100 MHz");
return Err(ErrorCode::IllegalParameterValue.into());
}
ClockSource::OSC
},
source if source.eq_ignore_ascii_case("MMCX") => {
// TODO: Implement frequency check for MMCX
ClockSource::MMCX
},
source if source.eq_ignore_ascii_case("SMA") => {
// TODO: Implement frequency check for SMA
ClockSource::SMA
},
_ => {
warn!("Clock selection failed! Argument error!");
return Err(ErrorCode::IllegalParameterValue.into());
},
};
trace!("Changing clock source to {:?} at {:?}", clock_source, frequency);
context.device.set_clock_source(clock_source)
.map_err(|_| Error::new(ErrorCode::HardwareError))
}
}
@ -300,26 +266,17 @@ impl<T:Device + UrukulTraits> Command<T> for ClockDivisionCommand {
nquery!();
fn event(&self, context: &mut Context<T>, args: &mut Tokenizer) -> Result<()> {
let data :u8 = match args.next_data(false)? {
Some(token) => {
match f32::try_from(token) {
Ok(val) => {
if val == 1.0 || val == 2.0 || val == 4.0 {
val as u8
} else {
return Err(ErrorCode::IllegalParameterValue.into())
}
},
Err(_e) => {
return Err(ErrorCode::IllegalParameterValue.into())
},
}
},
_ => return Err(ErrorCode::IllegalParameterValue.into()),
};
match context.device.set_clock_division(data) {
Ok(()) => Ok(()),
Err(_) => Err(Error::new(ErrorCode::HardwareError)),
let div :f32 = args.next_data(false)?
.map_or(Err(Error::new(ErrorCode::IllegalParameterValue)),
|token| token.try_into())?;
trace!("Received master clock division factor: {}", div);
match div {
1.0 | 2.0 | 4.0 => {
debug!("Set master clock division as {}", div);
context.device.set_clock_division(div as u8)
.map_err(|_| Error::new(ErrorCode::HardwareError))
}
_ => Err(Error::new(ErrorCode::IllegalParameterValue)),
}
}
}