adapt to new heapless/serde-json-core after const-generics

Cargo.lock

@@ -200,7 +200,7 @@ dependencies = [
 [[package]]
 name = "derive_miniconf"
 version = "0.1.0"
-source = "git+https://github.com/quartiq/miniconf.git?rev=c6f2b28#c6f2b28f735e27b337eaa986846536e904c6f2bd"
+source = "git+https://github.com/quartiq/miniconf.git?rev=2750533#275053396f0334e9efefa1ab2aae4c19b95a9a53"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -413,11 +413,11 @@ dependencies = [
 [[package]]
 name = "miniconf"
 version = "0.1.0"
-source = "git+https://github.com/quartiq/miniconf.git?rev=c6f2b28#c6f2b28f735e27b337eaa986846536e904c6f2bd"
+source = "git+https://github.com/quartiq/miniconf.git?rev=2750533#275053396f0334e9efefa1ab2aae4c19b95a9a53"
 dependencies = [
  "derive_miniconf",
  "serde",
- "serde-json-core 0.3.0",
+ "serde-json-core",
 ]
 
 [[package]]
@@ -706,17 +706,6 @@ dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde-json-core"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39af17f40c2a28d2c9a7918663ddc8a10f54cc6f109ead5c3f010869761df186"
-dependencies = [
- "heapless 0.6.1",
- "ryu",
- "serde",
-]
-
 [[package]]
 name = "serde-json-core"
 version = "0.4.0"
@@ -793,7 +782,7 @@ dependencies = [
  "rtt-logger",
  "rtt-target",
  "serde",
- "serde-json-core 0.4.0",
+ "serde-json-core",
  "shared-bus",
  "smoltcp-nal",
  "stm32h7xx-hal",

Cargo.toml

@@ -67,7 +67,7 @@ rev = "a2e3ad5"
 
 [patch.crates-io.miniconf]
 git = "https://github.com/quartiq/miniconf.git"
-rev = "c6f2b28"
+rev = "2750533"
 
 [dependencies.smoltcp-nal]
 git = "https://github.com/quartiq/smoltcp-nal.git"

src/hardware/configuration.rs

@@ -9,7 +9,7 @@ use stm32h7xx_hal::{
 
 const NUM_SOCKETS: usize = 4;
 
-use heapless::{consts, Vec};
+use heapless::Vec;
 use smoltcp_nal::smoltcp;
 
 use embedded_hal::digital::v2::{InputPin, OutputPin};
@@ -642,7 +642,7 @@ pub fn setup(
             let mut sockets =
                 smoltcp::socket::SocketSet::new(&mut store.sockets[..]);
 
-            let mut handles: Vec<smoltcp::socket::SocketHandle, consts::U64> =
+            let mut handles: Vec<smoltcp::socket::SocketHandle, 64> =
                 Vec::new();
             for storage in store.socket_storage.iter_mut() {
                 let tcp_socket = {

src/net/messages.rs

@@ -1,4 +1,4 @@
-use heapless::{consts, String, Vec};
+use heapless::{String, Vec};
 use serde::Serialize;
 
 use core::fmt::Write;
@@ -12,15 +12,15 @@ pub enum SettingsResponseCode {
 /// Represents a generic MQTT message.
 pub struct MqttMessage<'a> {
     pub topic: &'a str,
-    pub message: Vec<u8, consts::U128>,
-    pub properties: Vec<minimq::Property<'a>, consts::U1>,
+    pub message: Vec<u8, 128>,
+    pub properties: Vec<minimq::Property<'a>, 1>,
 }
 
 /// The payload of the MQTT response message to a settings update request.
 #[derive(Serialize)]
 pub struct SettingsResponse {
     code: u8,
-    msg: String<heapless::consts::U64>,
+    msg: String<64>,
 }
 
 impl<'a> MqttMessage<'a> {
@@ -48,8 +48,7 @@ impl<'a> MqttMessage<'a> {
             .unwrap_or(&default_response);
 
         // Associate any provided correlation data with the response.
-        let mut correlation_data: Vec<minimq::Property<'a>, consts::U1> =
-            Vec::new();
+        let mut correlation_data: Vec<minimq::Property<'a>, 1> = Vec::new();
         if let Some(data) = properties
             .iter()
             .find(|prop| matches!(prop, minimq::Property::CorrelationData(_)))

src/net/miniconf_client.rs

@@ -10,7 +10,7 @@
 ///!
 ///! Respones to settings updates are sent without quality-of-service guarantees, so there's no
 ///! guarantee that the requestee will be informed that settings have been applied.
-use heapless::{consts, String};
+use heapless::String;
 
 use super::{MqttMessage, NetworkReference, SettingsResponse, UpdateState};
 use crate::hardware::design_parameters::MQTT_BROKER;
@@ -20,11 +20,11 @@ pub struct MiniconfClient<S>
 where
     S: miniconf::Miniconf + Default + Clone,
 {
-    default_response_topic: String<consts::U128>,
+    default_response_topic: String<128>,
     mqtt: minimq::Minimq<NetworkReference, 256>,
     settings: S,
     subscribed: bool,
-    settings_prefix: String<consts::U64>,
+    settings_prefix: String<64>,
 }
 
 impl<S> MiniconfClient<S>
@@ -41,10 +41,10 @@ where
         let mqtt =
             minimq::Minimq::new(MQTT_BROKER.into(), client_id, stack).unwrap();
 
-        let mut response_topic: String<consts::U128> = String::from(prefix);
+        let mut response_topic: String<128> = String::from(prefix);
         response_topic.push_str("/log").unwrap();
 
-        let mut settings_prefix: String<consts::U64> = String::from(prefix);
+        let mut settings_prefix: String<64> = String::from(prefix);
         settings_prefix.push_str("/settings").unwrap();
 
         Self {
@@ -81,7 +81,7 @@ where
         if !self.subscribed && mqtt_connected {
             // Note(unwrap): We construct a string with two more characters than the prefix
             // strucutre, so we are guaranteed to have space for storage.
-            let mut settings_topic: String<consts::U66> =
+            let mut settings_topic: String<66> =
                 String::from(self.settings_prefix.as_str());
             settings_topic.push_str("/#").unwrap();
 

src/net/mod.rs

@@ -5,7 +5,7 @@
 ///! telemetry (via MQTT), configuration of run-time settings (via MQTT + Miniconf), and live data
 ///! streaming over raw UDP/TCP sockets. This module encompasses the main processing routines
 ///! related to Stabilizer networking operations.
-use heapless::{consts, String};
+use heapless::String;
 use miniconf::Miniconf;
 use serde::Serialize;
 
@@ -134,7 +134,7 @@ fn get_client_id(
     app: &str,
     client: &str,
     mac: smoltcp_nal::smoltcp::wire::EthernetAddress,
-) -> String<consts::U64> {
+) -> String<64> {
     let mut identifier = String::new();
     write!(&mut identifier, "{}-{}-{}", app, mac, client).unwrap();
     identifier
@@ -151,10 +151,10 @@ fn get_client_id(
 pub fn get_device_prefix(
     app: &str,
     mac: smoltcp_nal::smoltcp::wire::EthernetAddress,
-) -> String<consts::U128> {
+) -> String<128> {
     // Note(unwrap): The mac address + binary name must be short enough to fit into this string. If
     // they are defined too long, this will panic and the device will fail to boot.
-    let mut prefix: String<consts::U128> = String::new();
+    let mut prefix: String<128> = String::new();
     write!(&mut prefix, "dt/sinara/{}/{}", app, mac).unwrap();
 
     prefix

src/net/telemetry.rs

@@ -10,7 +10,7 @@
 ///! sampling frequency. Instead, the raw codes are stored and the telemetry is generated as
 ///! required immediately before transmission. This ensures that any slower computation required
 ///! for unit conversion can be off-loaded to lower priority tasks.
-use heapless::{consts, String, Vec};
+use heapless::{String, Vec};
 use minimq::QoS;
 use serde::Serialize;
 
@@ -22,7 +22,7 @@ use crate::hardware::{
 /// The telemetry client for reporting telemetry data over MQTT.
 pub struct TelemetryClient<T: Serialize> {
     mqtt: minimq::Minimq<NetworkReference, 256>,
-    telemetry_topic: String<consts::U128>,
+    telemetry_topic: String<128>,
     _telemetry: core::marker::PhantomData<T>,
 }
 
@@ -99,7 +99,7 @@ impl<T: Serialize> TelemetryClient<T> {
         let mqtt =
             minimq::Minimq::new(MQTT_BROKER.into(), client_id, stack).unwrap();
 
-        let mut telemetry_topic: String<consts::U128> = String::from(prefix);
+        let mut telemetry_topic: String<128> = String::from(prefix);
         telemetry_topic.push_str("/telemetry").unwrap();
 
         Self {
@@ -118,7 +118,7 @@ impl<T: Serialize> TelemetryClient<T> {
     /// # Args
     /// * `telemetry` - The telemetry to report
     pub fn publish(&mut self, telemetry: &T) {
-        let telemetry: Vec<u8, consts::U256> =
+        let telemetry: Vec<u8, 256> =
             serde_json_core::to_vec(telemetry).unwrap();
         self.mqtt
             .client