Thermostat v1 prototype firmware

Building

On Debian-based systems

install rustup

apt install gcc gcc-arm-none-eabi git-core
rustup toolchain install nightly
rustup update
rustup target add thumbv7em-none-eabihf --toolchain nightly
rustup default nightly
rustup component add rust-src
cargo install cargo-xbuild
git clone https://github.com/llvm/llvm-project.git
export RUST_COMPILER_RT_ROOT=`pwd`/llvm-project/compiler-rt

cd firmware && cargo xbuild --release

The built ELF file will be at target/thumbv7em-none-eabihf/release/ionpak-firmware

Development build on NixOS

Requires NixOS 19.09 or later for cargo-xbuild.

nix-shell --run "cd firmware && cargo xbuild --release"

Network

Setup

Ethernet, IP: 192.168.1.26/24

Use telnet or netcat to connect to port 23/tcp (telnet)

Reading ADC input

Set report mode to once to obtain the single next value. Report mode will turn itself off after the next reading.

Set report mode to continuous for a continuous stream of input data.

The scope of this setting is per TCP session.

Commands

Syntax	Function
`report`	Show current input
`report mode`	Show current report mode
`report mode <off or on>`	Set report mode
`pwm <width> <total>`	Set PWM duty cycle to manual width / total
`pwm pid`	Set PWM to be controlled by PID
`pid target <value>`
`pid kp <value>`
`pid ki <value>`
`pid kd <value>`
`pid output_min <value>`
`pid output_max <value>`
`pid integral_min <value>`
`pid integral_max <value>`

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