2019-09-18 06:29:29 +08:00
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# Thermostat v1 prototype firmware
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## Building
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### On Debian-based systems
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2019-09-18 07:53:19 +08:00
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- install [rustup](https://rustup.rs/)
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2019-09-18 06:29:29 +08:00
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```shell
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apt install gcc gcc-arm-none-eabi git-core
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rustup toolchain install nightly
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rustup update
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rustup target add thumbv7em-none-eabihf --toolchain nightly
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rustup default nightly
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rustup component add rust-src
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cargo install cargo-xbuild
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git clone https://github.com/llvm/llvm-project.git
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export RUST_COMPILER_RT_ROOT=`pwd`/llvm-project/compiler-rt
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cd firmware && cargo xbuild --release
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```
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The built ELF file will be at `target/thumbv7em-none-eabihf/release/ionpak-firmware`
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### Development build on NixOS
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Requires NixOS 19.09 or later for cargo-xbuild.
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```shell
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nix-shell --run "cd firmware && cargo xbuild --release"
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```
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2019-09-14 22:59:21 +08:00
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## Network
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### Setup
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Ethernet, IP: 192.168.1.26/24
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Use telnet or netcat to connect to port 23/tcp (telnet)
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### Reading ADC input
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Set report mode to `once` to obtain the single next value. Report mode
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will turn itself off after the next reading.
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Set report mode to `continuous` for a continuous stream of input data.
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The scope of this setting is per TCP session.
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### Commands
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2019-09-24 07:32:34 +08:00
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| Syntax | Function |
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| --- | --- |
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| `report` | Show current input |
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| `report mode` | Show current report mode |
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| `report mode <off/on>` | Set report mode |
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| `pwm <0/1> max_i_pos <width> <total>` | Set PWM duty cycle for **max_i_pos** to *width / total* |
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| `pwm <0/1> max_i_neg <width> <total>` | Set PWM duty cycle for **max_i_neg** to *width / total* |
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| `pwm <0/1> max_v <width> <total>` | Set PWM duty cycle for **max_v** to *width / total* |
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| `pwm <0/1> <width> <total>` | Set PWM duty cycle for **i_set** to manual *width / total* |
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| `pwm <0/1> pid` | Set PWM to be controlled by PID |
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| `pid` | Show PID configuration |
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| `pid <0/1> target <value>` | |
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| `pid <0/1> kp <value>` | |
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| `pid <0/1> ki <value>` | |
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| `pid <0/1> kd <value>` | |
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| `pid <0/1> output_min <value>` | |
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| `pid <0/1> output_max <value>` | |
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| `pid <0/1> integral_min <value>` | |
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| `pid <0/1> integral_max <value>` | |
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| `postfilter <0/1> rate <rate>` | Set postfilter output data rate |
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