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Refactoring ethernet interface

This commit is contained in:
Ryan Summers 2020-06-09 14:16:01 +02:00
parent c8c27b707e
commit 7494ece659
3 changed files with 53 additions and 35 deletions
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2
.cargo/config
View File

@ -1,5 +1,5 @@
[target.'cfg(all(target_arch = "arm", target_os = "none"))']
runner = "gdb-multiarch -q -x bmp.gdb"
runner = "gdb-multiarch -q -x openocd.gdb"
rustflags = ["-C", "link-arg=-Tlink.x"]
[build]

73
stabilizer/src/main.rs
View File

@ -113,47 +113,59 @@ macro_rules! route_request {
($request:ident,
readable_attributes: [$(($read_attribute:tt, $getter:tt)),*],
modifiable_attributes: [$(($write_attribute:tt, $TYPE:ty, $setter:tt)),*]) => {
match $request {
server::Request::Read{attribute} => {
match attribute {
match $request.req {
server::AccessRequest::Read => {
match $request.attribute {
$(
&$read_attribute => {
$read_attribute => {
let value = match $getter() {
Ok(data) => data,
Err(_) => return server::Response::error(attribute,
Err(_) => return server::Response::error($request.attribute,
"Failed to set attribute"),
};
let encoded_data: String<U128> = match serde_json_core::to_string(&value) {
Ok(data) => data,
Err(_) => return server::Response::error(attribute,
Err(_) => return server::Response::error($request.attribute,
"Failed to encode attribute value"),
};
server::Response::success(attribute, &encoded_data)
// Encoding data into a string surrounds it with qutotations. Because this
// value is then serialzed into another string, we remove the double
// quotations because they cannot be properly escaped.
server::Response::success($request.attribute,
&encoded_data[1..encoded_data.len()-1])
},
)*
_ => server::Response::error(attribute, "Unknown attribute")
_ => server::Response::error($request.attribute, "Unknown attribute")
}
},
server::Request::Write{attribute, value} => {
match attribute {
server::AccessRequest::Write => {
match $request.attribute {
$(
&$write_attribute => {
let new_value = match serde_json_core::from_str::<$TYPE>(value) {
$write_attribute => {
// To avoid sending double quotations in the request, they are eliminated on
// the sender side. However, to properly deserialize the data, quotes need
// to be added back.
let mut value: String<U128> = String::new();
value.push('"').unwrap();
value.push_str($request.value).unwrap();
value.push('"').unwrap();
let new_value = match serde_json_core::from_str::<$TYPE>(value.as_str()) {
Ok(data) => data,
Err(_) => return server::Response::error(attribute,
Err(_) => return server::Response::error($request.attribute,
"Failed to decode value"),
};
match $setter(new_value) {
Ok(_) => server::Response::success(attribute, value),
Err(_) => server::Response::error(attribute,
Ok(_) => server::Response::success($request.attribute, $request.value),
Err(_) => server::Response::error($request.attribute,
"Failed to set attribute"),
}
}
)*
_ => server::Response::error(attribute, "Unknown attribute")
_ => server::Response::error($request.attribute, "Unknown attribute")
}
}
}
@ -176,7 +188,7 @@ const APP: () = {
timer: hal::timer::Timer<hal::stm32::TIM2>,
net_interface: net::iface::EthernetInterface<'static, 'static, 'static,
ethernet::EthernetDMA<'static>>,
_eth_mac: ethernet::EthernetMAC,
eth_mac: ethernet::EthernetMAC,
mac_addr: net::wire::EthernetAddress,
#[init([[0.; 5]; 2])]
@ -211,6 +223,8 @@ const APP: () = {
clocks.rb.d2ccip1r.modify(|_, w| w.spi123sel().pll2_p().spi45sel().pll2_q());
let mut delay = hal::delay::Delay::new(cp.SYST, clocks.clocks);
let gpioa = dp.GPIOA.split(&mut clocks);
let gpiob = dp.GPIOB.split(&mut clocks);
let gpioc = dp.GPIOC.split(&mut clocks);
@ -326,8 +340,8 @@ const APP: () = {
let mut fp_led_0 = gpiod.pd5.into_push_pull_output();
let mut fp_led_1 = gpiod.pd6.into_push_pull_output();
let mut fp_led_2 = gpiod.pd12.into_push_pull_output();
let mut fp_led_3 = gpiog.pg4.into_push_pull_output();
let mut fp_led_2 = gpiog.pg4.into_push_pull_output();
let mut fp_led_3 = gpiod.pd12.into_push_pull_output();
fp_led_0.set_low().unwrap();
fp_led_1.set_low().unwrap();
@ -344,8 +358,8 @@ const APP: () = {
{
// Reset the PHY before configuring pins.
let mut eth_phy_nrst = gpioe.pe3.into_push_pull_output();
eth_phy_nrst.set_high().unwrap();
eth_phy_nrst.set_low().unwrap();
delay.delay_us(200u8);
eth_phy_nrst.set_high().unwrap();
let _rmii_ref_clk = gpioa.pa1.into_alternate_af11().set_speed(hal::gpio::Speed::VeryHigh);
let _rmii_mdio = gpioa.pa2.into_alternate_af11().set_speed(hal::gpio::Speed::VeryHigh);
@ -377,6 +391,8 @@ const APP: () = {
mac_addr.clone())
};
unsafe { ethernet::enable_interrupt() };
let store = unsafe { &mut NET_STORE };
store.ip_addrs[0] = net::wire::IpCidr::new(net::wire::IpAddress::v4(10, 0, 16, 99), 24);
@ -394,7 +410,6 @@ const APP: () = {
cp.SCB.enable_icache();
init_log();
// info!("Version {} {}", build_info::PKG_VERSION, build_info::GIT_VERSION.unwrap());
// info!("Built on {}", build_info::BUILT_TIME_UTC);
// info!("{} {}", build_info::RUSTC_VERSION, build_info::TARGET);
@ -433,7 +448,7 @@ const APP: () = {
eeprom_i2c: eeprom_i2c,
net_interface: network_interface,
_eth_mac: eth_mac,
eth_mac: eth_mac,
mac_addr: mac_addr,
}
}
@ -468,7 +483,7 @@ const APP: () = {
c.resources.dac1.send(output).unwrap();
}
#[idle(resources=[net_interface, mac_addr, iir_state, iir_ch, afe1, afe2])]
#[idle(resources=[net_interface, mac_addr, eth_mac, iir_state, iir_ch, afe1, afe2])]
fn idle(mut c: idle::Context) -> ! {
let mut socket_set_entries: [_; 8] = Default::default();
@ -566,7 +581,7 @@ const APP: () = {
let sleep = match c.resources.net_interface.poll(&mut sockets,
net::time::Instant::from_millis(time as i64)) {
Ok(changed) => changed,
Ok(changed) => changed == false,
Err(net::Error::Unrecognized) => true,
Err(e) => {
info!("iface poll error: {:?}", e);
@ -580,14 +595,10 @@ const APP: () = {
}
}
/*
#[task(binds = ETH, resources = [net_interface], priority = 1)]
fn eth(c: eth::Context) {
let dma = &c.resources.net_interface.device();
ETHERNET_PENDING.store(true, Ordering::Relaxed);
dma.interrupt_handler()
#[task(binds = ETH, priority = 1)]
fn eth(_: eth::Context) {
unsafe { ethernet::interrupt_handler() }
}
*/
extern "C" {
// hw interrupt handlers for RTFM to use for scheduling tasks

13
stabilizer/src/server.rs
View File

@ -21,9 +21,16 @@ use super::net;
use super::iir;
#[derive(Deserialize, Serialize, Debug)]
pub enum Request<'a, 'b> {
Read{attribute: &'a str},
Write{attribute: &'a str, value: &'b str},
pub enum AccessRequest {
Read,
Write,
}
#[derive(Deserialize, Serialize, Debug)]
pub struct Request<'a, 'b> {
pub req: AccessRequest,
pub attribute: &'a str,
pub value: &'b str,
}
#[derive(Serialize, Deserialize)]