158 lines
4.9 KiB
Markdown
158 lines
4.9 KiB
Markdown
---
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title: Getting Started
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layout: default
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permalink: /getting-started
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nav_order: 2
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---
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## Table of Contents
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{: .no_toc .text-delta }
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1. TOC
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{:toc}
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---
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# Getting Started
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{: .no_toc }
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There are a number of steps that must be completed when first getting started with Stabilizer.
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1. Update the Stabilizer Application
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1. Set parameters in the firmware source code, such as IP addresses and sampling rate.
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1. Build the application by compiling the source code.
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1. Upload the application and programming it onto the device.
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1. Set up MQTT for telemetry and configuration.
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The following sections will walk you through completing each of these steps.
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# Update Stabilizer
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Firmware is compiled and loaded onto Stabilizer to program a specific application.
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After receiving the Stabilizer hardware, you will need to flash firmware onto the device to use your
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desired application.
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## Configuring Firmware
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Stabilizer firmware contains compile-time parameters that may need to be changed based on
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application requirements. Some examples of parameters that may require configuraton:
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* Sampling interval.
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* Batch size.
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* MQTT Broker IP address
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Parameters are configured by editing the file `src/configuration.rs`.
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Refer to the [documentation]({{site.baseurl}}/firmware/stabilizer/configuration/index.html) for more
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information on parameters.
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When these parameters are updated, firmware must be built and flashed onto Stabilizer before they
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take effect.
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## Building Firmware
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1. Clone or download [stabilizer](https://github.com/quartiq/stabilizer)
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```bash
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git clone https://github.com/quartiq/stabilizer
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```
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1. Get [rustup](https://rustup.rs/)
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* The minimum supported Rust version (MSRV) is 1.52.0
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1. Install target support
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```bash
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rustup target add thumbv7em-none-eabihf
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```
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1. Build Firmware
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```bash
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cargo build --release
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```
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## Uploading Firmware
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Firmware is loaded onto stabilizer utilizing an ST-Link (V2-1 or greater) JTAG programmer.
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* If a programmer is not available, please see the [alternative method](#alternative-using-usb)
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Ensure the ST-Link is connected to Stabilizer as shown below.
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All of the instructions below assume you have properly [`built the firmware`](#building-firmware).
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Substitute `dual-iir` below with the application name you are flashing.
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1. Install [cargo-binutils](https://github.com/rust-embedded/cargo-binutils/)
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```bash
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cargo install cargo-binutils
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rustup component add llvm-tools-preview
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```
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1. Generate the binary file
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```bash
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cargo objcopy --release --bin dual-iir -- -O binary dual-iir.bin`
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```
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1. Copy `dual-iir.bin` into the ST-Link drive on your computer.
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### Alternative: Using USB
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If an ST-Link V2-1 or above is not available, you can upload firmware using a micro USB cable
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plugged in to the front of Stabilizer.
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1. Install the DFU USB tool [`dfu-util`](http://dfu-util.sourceforge.net)
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1. Connect to the Micro USB connector below the RJ45
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1. Short JC2/BOOT
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1. Perform the Device Firmware Upgrade (DFU)
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```bash
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dfu-util -a 0 -s 0x08000000:leave -D dual-iir.bin
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```
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### Alternative: Firmware Development / Debug
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The below instructions are useful for debugging or developing firmware
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For an interactive flash experience with live logging, utilize `probe-run` as follows.
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1. Install `probe-run`
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```bash
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cargo install probe-run
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```
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1. Build and run firmware on the device
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```bash
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cargo run --release --bin dual-iir
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```
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1. When using debug (non `--release`) mode, decrease the sampling frequency significantly.
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The added error checking code and missing optimizations may lead to the code
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missing deadlines and panicing.
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# Set up and test MQTT
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## Set up the Broker
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Stabilizer requires an MQTT broker that supports MQTTv5. [Mosquitto](https://mosquitto.org/) has
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been used during development, but any MQTTv5 broker is supported.
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> _Note_: Mosquitto version 1 only supports MQTTv3.1. If using Mosquitto, ensure version 2.0.0 or
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> later is used.
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Stabilizer utilizes a static IP address for broker configuration. Ensure the IP address was
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[configured](#configuring-firmware) properly to point to your broker before continuing.
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## Test the Connection
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Once your broker is running, test that Stabilizer is properly connected to it.
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To do this, we will check that Stabilizer is reporting telemetry on the following topic:
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```
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dt/sinara/dual-iir/00-11-22-33-44-55/telemetry
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```
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> **Note**: The telemetry topic will be different based on the programmed application and the MAC address
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of the device.
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Download [MQTT-Explorer](http://mqtt-explorer.com/) to observe which topics have been posted to the
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Broker.
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> **Note**: Use the same broker address that you defined in the firmware for MQTT explorer.
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Telemetry messages should come in approximately every 10 seconds when Stabilizer has connected to
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the broker. Once you observe incoming telemetry, Stabilizer has been properly configured and is
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operational.
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