first tnetplug version
parent
91c27d2499
commit
8b35c4260a
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@ -1,23 +1,5 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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[[package]]
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name = "adc2tcp"
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version = "0.0.0"
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dependencies = [
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"bare-metal 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"cortex-m 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"cortex-m-log 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"cortex-m-rt 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"embedded-hal 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"hash2hwaddr 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"panic-abort 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"panic-semihosting 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"stm32-eth 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"stm32f4xx-hal 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "aligned"
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version = "0.3.1"
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@ -300,6 +282,24 @@ dependencies = [
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"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "tnetplug"
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version = "0.1.0"
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dependencies = [
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"bare-metal 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"cortex-m 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"cortex-m-log 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"cortex-m-rt 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"embedded-hal 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"hash2hwaddr 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"panic-abort 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"panic-semihosting 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"stm32-eth 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"stm32f4xx-hal 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "typenum"
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version = "1.10.0"
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15
Cargo.toml
15
Cargo.toml
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@ -1,18 +1,13 @@
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[package]
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categories = ["embedded", "no-std"]
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name = "adc2tcp"
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description = "Poll ADC pin, report over TCP"
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name = "tnetplug"
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description = "Trivial network-controlled plugs"
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license = "GPL-3.0-only"
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authors = ["Astro <astro@spaceboyz.net>"]
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version = "0.0.0"
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keywords = ["ethernet", "eth", "stm32", "adc", "tcp"]
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repository = "https://github.com/m-labs/adc2tcp"
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authors = ["Sebastien Bourdeauducq <sb@m-labs.hk>"]
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version = "0.1.0"
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keywords = ["ethernet", "eth", "stm32", "smartplug", "internetofshit"]
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edition = "2018"
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[badges]
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travis-ci = { repository = "astro/adc2tcp", branch = "master" }
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maintenance = { status = "experimental" }
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[package.metadata.docs.rs]
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features = []
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default-target = "thumbv7em-none-eabihf"
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63
README.md
63
README.md
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@ -1,66 +1,21 @@
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# Synopsis
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Exposes readings from an ADC pin (currently: *PA3*) of the board via a
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TCP service on the Ethernet port.
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Trivial network-controlled plugs
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================================
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# Network Protocol
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Sensor readings produce lines of `key=value` pairs, joined by `,`,
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terminated by `"\r\n"`.
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```
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t=21000,pa3=685
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t=22000,pa3=684
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t=23000,pa3=681
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t=24000,pa3=696
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t=25000,pa3=673
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t=26000,pa3=689
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t=27000,pa3=657
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t=28000,pa3=654
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t=29000,pa3=652
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t=30000,pa3=662
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t=31000,pa3=663
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```
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| Key | Value | Unit |
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|:---:|-------------|------|
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| t | Time | ms |
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| pa3 | ADC reading | mV |
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# LEDs
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Colors indicate what the MCU is occupied with.
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| Color | Indication |
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|:-------:|-------------------|
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| Green | WFI (idle) |
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| Blue | Network poll |
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| Red | Message broadcast |
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# Crate features
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* `semihosting` enables log output via the **cortex-m-semihosting**
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crate. Use only in development! MCU will hang when no OpenOCD is
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running.
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* `generate-hwaddr` generates an Ethernet MAC address by hashing the
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unique device ID from flash memory.
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# Instructions
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Instructions
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------------
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## Build the firmware with `default.nix`
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Build the firmware with `default.nix`
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+++++++++++++++++++++++++++++++++++++
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* `nix-build`
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* This uses **cargo-vendor** to bundle dependencies, so that unstable versions from git can be used.
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* Run `result/bin/flash-adc2tcp` to flash a devboard with OpenOCD and quit.
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* Run `result/bin/flash-tnetplug` to flash a devboard with OpenOCD and quit.
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## Development environment with `shell.nix`
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Development environment with `shell.nix`
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++++++++++++++++++++++++++++++++++++++++
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* `nix-shell`
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* Spawning `openocd`, the devboard should be connected already.
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12
default.nix
12
default.nix
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@ -11,13 +11,13 @@ let
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rustPlatform = recurseIntoAttrs (callPackage ./nix/rustPlatform.nix {
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inherit rustManifest;
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});
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adc2tcp = callPackage ./nix/adc2tcp.nix { inherit rustPlatform; };
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tnetplug = callPackage ./nix/tnetplug.nix { inherit rustPlatform; };
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openocd = callPackage ./nix/openocd.nix {};
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in
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stdenv.mkDerivation {
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name = "adc2tcp-dist";
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name = "tnetplug-dist";
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buildInputs = [
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adc2tcp
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tnetplug
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openocd
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makeWrapper
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];
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@ -26,7 +26,7 @@ stdenv.mkDerivation {
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installPhase =
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let
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firmwareBinary = "$out/lib/adc2tcp.elf";
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firmwareBinary = "$out/lib/tnetplug.elf";
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openOcdFlags = [
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"-c" "reset halt"
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"-c" "flash write_image erase ${firmwareBinary}"
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@ -37,9 +37,9 @@ stdenv.mkDerivation {
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in ''
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mkdir -p $out/bin $out/lib $out/nix-support
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ln -s ${adc2tcp}/lib/adc2tcp ${firmwareBinary}
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ln -s ${tnetplug}/lib/tnetplug ${firmwareBinary}
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makeWrapper ${openocd}/bin/openocd-nucleo-f429zi $out/bin/flash-adc2tcp \
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makeWrapper ${openocd}/bin/openocd-nucleo-f429zi $out/bin/flash-tnetplug \
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--add-flags "${lib.escapeShellArgs openOcdFlags}"
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echo file binary-dist ${firmwareBinary} >> $out/nix-support/hydra-build-products
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@ -2,33 +2,33 @@
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with rustPlatform;
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let
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sha256 = "1i9p5d5n01ajbp8lmavyway6vr1mmy107qnccff9glvr91rqx352";
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sha256 = "19cdc0lkm9247n6kf23ki66gysz530j1x2lfnzq7n0cpcs53q3h3";
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fetchcargo = import ./fetchcargo.nix {
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inherit stdenv cacert git cargo-vendor;
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inherit (rust) cargo;
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};
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adc2tcpDeps = fetchcargo {
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name = "adc2tcp";
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tnetplugDeps = fetchcargo {
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name = "tnetplug";
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src = ../.;
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inherit sha256;
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};
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in
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buildRustPackage rec {
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name = "adc2tcp";
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name = "tnetplug";
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version = "0.0.0";
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src = ../.;
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cargoSha256 = sha256;
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buildInputs = [ adc2tcpDeps ];
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buildInputs = [ tnetplugDeps ];
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patchPhase = ''
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cat >> .cargo/config <<EOF
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[source.crates-io]
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replace-with = "vendored-sources"
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[source.vendored-sources]
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directory = "${adc2tcpDeps}"
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directory = "${tnetplugDeps}"
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EOF
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'';
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doCheck = false;
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installPhase = ''
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mkdir -p $out/lib
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cp target/thumbv7em-none-eabihf/release/adc2tcp $out/lib/
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cp target/thumbv7em-none-eabihf/release/tnetplug $out/lib/
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'';
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}
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with pkgs;
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let
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adc2tcp = callPackage ./default.nix {
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tnetplug = callPackage ./default.nix {
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inherit rustManifest;
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mozillaOverlay = import <mozillaOverlay>;
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};
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in
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{
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build = lib.hydraJob adc2tcp;
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build = lib.hydraJob tnetplug;
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}
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@ -10,7 +10,7 @@ let
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openocd = callPackage ./nix/openocd.nix {};
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in
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stdenv.mkDerivation {
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name = "adc2tcp-env";
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name = "tnetplug-env";
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buildInputs = with rustPlatform.rust; [
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rustc cargo pkgs.gdb
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];
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@ -1,46 +0,0 @@
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use stm32f4xx_hal::{
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adc::{
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Adc,
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config::*,
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},
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gpio::{Analog, gpioa::PA3 as Pin},
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stm32::ADC1 as ADC,
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};
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/// ADC Input
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pub struct AdcInput {
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/// unused but consumed
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_pin: Pin<Analog>,
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adc: Adc<ADC>,
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}
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impl AdcInput {
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/// Configure pin into analog mode
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pub fn new<MODE>(adc: ADC, pin: Pin<MODE>) -> Self {
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let pin = pin.into_analog();
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let adc_config = AdcConfig::default()
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.scan(Scan::Enabled)
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.continuous(Continuous::Single)
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.clock(Clock::Pclk2_div_2);
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let mut adc = Adc::adc1(adc, true, adc_config);
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adc.configure_channel(&pin, Sequence::One, SampleTime::Cycles_480);
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AdcInput { _pin: pin, adc }
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}
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/// Enable the ADC,
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/// run a conversion
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/// disable the ADC
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pub fn read(&mut self) -> u16 {
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let adc = &mut self.adc;
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adc.enable();
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adc.clear_end_of_conversion_flag();
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adc.start_conversion();
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let sample = adc.current_sample();
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let result = adc.sample_to_millivolts(sample);
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adc.wait_for_conversion_sequence();
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adc.disable();
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result
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}
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}
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46
src/led.rs
46
src/led.rs
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@ -1,46 +0,0 @@
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use embedded_hal::digital::OutputPin;
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use stm32f4xx_hal::gpio::{
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Output, PushPull,
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gpiob::{PB0, PB7, PB14},
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};
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type GreenPin = PB0<Output<PushPull>>;
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type BluePin = PB7<Output<PushPull>>;
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type RedPin = PB14<Output<PushPull>>;
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pub struct Led<PIN> {
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pin: PIN,
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}
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impl<PIN: OutputPin> Led<PIN> {
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fn new(pin: PIN) -> Self {
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Led { pin }
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}
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pub fn on(&mut self) {
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self.pin.set_high();
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}
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pub fn off(&mut self) {
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self.pin.set_low();
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}
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}
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impl Led<GreenPin> {
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pub fn green(pin: GreenPin) -> Self {
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Self::new(pin)
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}
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}
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impl Led<BluePin> {
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pub fn blue(pin: BluePin) -> Self {
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Self::new(pin)
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}
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}
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impl Led<RedPin> {
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pub fn red(pin: RedPin) -> Self {
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Self::new(pin)
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}
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}
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42
src/main.rs
42
src/main.rs
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@ -13,6 +13,7 @@ use core::fmt::Write;
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use cortex_m::asm::wfi;
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use cortex_m_rt::entry;
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use embedded_hal::watchdog::{WatchdogEnable, Watchdog};
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use embedded_hal::digital::OutputPin;
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use stm32f4xx_hal::{
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rcc::RccExt,
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gpio::GpioExt,
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@ -25,20 +26,11 @@ use smoltcp::{
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wire::EthernetAddress,
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};
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mod adc_input;
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use adc_input::AdcInput;
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mod net;
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mod server;
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use server::Server;
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mod timer;
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mod led;
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use led::Led;
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/// Interval at which to sample the ADC input and broadcast to all
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/// clients.
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///
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/// This should be a multiple of the `TIMER_RATE`.
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const OUTPUT_INTERVAL: u32 = 1000;
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#[cfg(not(feature = "generate-hwaddr"))]
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const NET_HWADDR: [u8; 6] = [0x02, 0x00, 0xDE, 0xAD, 0xBE, 0xEF];
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@ -67,7 +59,7 @@ fn init_log() {
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#[entry]
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fn main() -> ! {
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init_log();
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info!("adc2tcp");
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info!("tnetplug");
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let mut cp = CorePeripherals::take().unwrap();
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cp.SCB.enable_icache();
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@ -90,14 +82,11 @@ fn main() -> ! {
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let gpioa = dp.GPIOA.split();
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let gpiob = dp.GPIOB.split();
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let gpioc = dp.GPIOC.split();
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let gpioe = dp.GPIOE.split();
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let gpiog = dp.GPIOG.split();
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let mut led_green = Led::green(gpiob.pb0.into_push_pull_output());
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let mut led_blue = Led::blue(gpiob.pb7.into_push_pull_output());
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let mut led_red = Led::red(gpiob.pb14.into_push_pull_output());
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info!("ADC init");
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let mut adc_input = AdcInput::new(dp.ADC1, gpioa.pa3);
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let mut relay1 = gpioe.pe11.into_push_pull_output();
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let mut relay2 = gpioe.pe9.into_push_pull_output();
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info!("Eth setup");
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stm32_eth::setup_pins(
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@ -120,25 +109,22 @@ fn main() -> ! {
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info!("Net startup");
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net::run(&mut cp.NVIC, dp.ETHERNET_MAC, dp.ETHERNET_DMA, hwaddr, |iface| {
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Server::run(iface, |server| {
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let mut last_output = 0_u32;
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loop {
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let now = timer::now().0;
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let instant = Instant::from_millis(i64::from(now));
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led_blue.on();
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cortex_m::interrupt::free(net::clear_pending);
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server.poll(instant)
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let cmd = server.poll(instant)
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.unwrap_or_else(|e| {
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warn!("poll: {:?}", e);
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None
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});
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led_blue.off();
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let now = timer::now().0;
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if now - last_output >= OUTPUT_INTERVAL {
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led_red.on();
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let adc_value = adc_input.read();
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writeln!(server, "t={},pa3={}\r", now, adc_value).unwrap();
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last_output = now;
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led_red.off();
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match cmd {
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Some(b'a') => { relay1.set_low(); writeln!(server, "A=OFF").unwrap(); },
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Some(b'A') => { relay1.set_high(); writeln!(server, "A=ON").unwrap(); },
|
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Some(b'b') => { relay2.set_low(); writeln!(server, "B=OFF").unwrap(); },
|
||||
Some(b'B') => { relay2.set_high(); writeln!(server, "B=ON").unwrap(); },
|
||||
_ => (),
|
||||
}
|
||||
|
||||
// Update watchdog
|
||||
|
|
@ -146,10 +132,8 @@ fn main() -> ! {
|
|||
|
||||
cortex_m::interrupt::free(|cs| {
|
||||
if !net::is_pending(cs) {
|
||||
led_green.on();
|
||||
// Wait for interrupts
|
||||
wfi();
|
||||
led_green.off();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
|
|
|||
|
|
@ -43,7 +43,7 @@ pub fn run<F>(
|
|||
eth_dev.enable_interrupt(nvic);
|
||||
|
||||
// IP stack
|
||||
let local_addr = IpAddress::v4(192, 168, 69, 3);
|
||||
let local_addr = IpAddress::v4(192, 168, 1, 31);
|
||||
let mut ip_addrs = [IpCidr::new(local_addr, 24)];
|
||||
let mut neighbor_storage = [None; 16];
|
||||
let neighbor_cache = NeighborCache::new(&mut neighbor_storage[..]);
|
||||
|
|
|
|||
|
|
@ -7,7 +7,7 @@ use smoltcp::{
|
|||
};
|
||||
|
||||
|
||||
const TCP_PORT: u16 = 23;
|
||||
const TCP_PORT: u16 = 3131;
|
||||
/// Number of server sockets and therefore concurrent client
|
||||
/// sessions. Many data structures in `Server::run()` correspond to
|
||||
/// this const.
|
||||
|
|
@ -32,8 +32,6 @@ macro_rules! create_socket {
|
|||
)
|
||||
}
|
||||
|
||||
/// Contains a number of server sockets that get all sent the same
|
||||
/// data (through `fmt::Write`).
|
||||
pub struct Server<'a, 'b> {
|
||||
net: EthernetInterface<'a, 'a, 'a, &'a mut stm32_eth::Eth<'static, 'static>>,
|
||||
sockets: SocketSet<'b, 'b, 'static>,
|
||||
|
|
@ -79,7 +77,7 @@ impl<'a, 'b> Server<'a, 'b> {
|
|||
}
|
||||
|
||||
/// Poll the interface and the sockets
|
||||
pub fn poll(&mut self, now: Instant) -> Result<(), smoltcp::Error> {
|
||||
pub fn poll(&mut self, now: Instant) -> Result<Option<u8>, smoltcp::Error> {
|
||||
// Poll smoltcp EthernetInterface
|
||||
let mut poll_error = None;
|
||||
let activity = self.net.poll(&mut self.sockets, now)
|
||||
|
|
@ -88,23 +86,33 @@ impl<'a, 'b> Server<'a, 'b> {
|
|||
true
|
||||
});
|
||||
|
||||
// Pass some smoltcp errors to the caller
|
||||
match poll_error {
|
||||
None => (),
|
||||
Some(smoltcp::Error::Malformed) => (),
|
||||
Some(smoltcp::Error::Unrecognized) => (),
|
||||
Some(e) => return Err(e),
|
||||
}
|
||||
|
||||
let mut ret = None;
|
||||
if activity {
|
||||
// Listen on all sockets
|
||||
for handle in &self.handles {
|
||||
let mut socket = self.sockets.get::<TcpSocket>(*handle);
|
||||
if ! socket.is_open() {
|
||||
let _ = socket.listen(TCP_PORT);
|
||||
if !socket.is_open() {
|
||||
socket.listen(TCP_PORT).unwrap();
|
||||
}
|
||||
|
||||
if socket.may_recv() {
|
||||
if ret.is_none() {
|
||||
ret = socket.recv(|data| { if data.len() > 0 { (1, Some(data[0])) } else { (0, None) } }).unwrap();
|
||||
}
|
||||
} else if socket.may_send() {
|
||||
socket.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Pass some smoltcp errors to the caller
|
||||
match poll_error {
|
||||
None => Ok(()),
|
||||
Some(smoltcp::Error::Malformed) => Ok(()),
|
||||
Some(smoltcp::Error::Unrecognized) => Ok(()),
|
||||
Some(e) => Err(e),
|
||||
}
|
||||
Ok(ret)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue