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add some generation resources, add some feature descriptions

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Adin Ackerman 2023-12-24 11:51:16 -08:00
parent 8b6c6c7df6
commit 9ea7a245e9
2 changed files with 25 additions and 9 deletions
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25
docs/modules/ROOT/pages/new_project.adoc
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@ -1,6 +1,17 @@
= Starting a new Embassy project
Once you’ve successfully xref:getting_started.adoc[run some example projects], the next step is to make a standalone Embassy project. The easiest way to do this is to adapt an example for a similar chip to the one you’re targeting.
Once you’ve successfully xref:getting_started.adoc[run some example projects], the next step is to make a standalone Embassy project.
There are some tools for generating Embassy projects: (WIP)
==== CLI
- link:https://github.com/adinack/cargo-embassy[cargo-embassy] (STM32 and NRF)
==== cargo-generate
- link:https://github.com/lulf/embassy-template[embassy-template] (STM32, NRF, and RP)
- link:https://github.com/bentwire/embassy-rp2040-template[embassy-rp2040-template] (RP)
But if you want to start from scratch:
As an example, let’s create a new embassy project from scratch for a STM32G474. The same instructions are applicable for any supported chip with some minor changes.
@ -166,13 +177,13 @@ should result in a blinking LED (if there’s one attached to the pin in `src/ma
Erasing sectors ✔ [00:00:00] [#########################################################] 18.00 KiB/18.00 KiB @ 54.09 KiB/s (eta 0s )
Programming pages ✔ [00:00:00] [#########################################################] 17.00 KiB/17.00 KiB @ 35.91 KiB/s (eta 0s ) Finished in 0.817s
0.000000 TRACE BDCR configured: 00008200
└─ embassy_stm32::rcc::bd::{impl#3}::init::{closure#4} @ /home/you/.cargo/git/checkouts/embassy-9312dcb0ed774b29/7703f47/embassy-stm32/src/fmt.rs:117
└─ embassy_stm32::rcc::bd::{impl#3}::init::{closure#4} @ /home/you/.cargo/git/checkouts/embassy-9312dcb0ed774b29/7703f47/embassy-stm32/src/fmt.rs:117
0.000000 DEBUG rcc: Clocks { sys: Hertz(16000000), pclk1: Hertz(16000000), pclk1_tim: Hertz(16000000), pclk2: Hertz(16000000), pclk2_tim: Hertz(16000000), hclk1: Hertz(16000000), hclk2: Hertz(16000000), pll1_p: None, adc: None, adc34: None, rtc: Some(Hertz(32000)) }
└─ embassy_stm32::rcc::set_freqs @ /home/you/.cargo/git/checkouts/embassy-9312dcb0ed774b29/7703f47/embassy-stm32/src/fmt.rs:130
└─ embassy_stm32::rcc::set_freqs @ /home/you/.cargo/git/checkouts/embassy-9312dcb0ed774b29/7703f47/embassy-stm32/src/fmt.rs:130
0.000000 INFO Hello World!
└─ embassy_stm32g474::____embassy_main_task::{async_fn#0} @ src/main.rs:14
└─ embassy_stm32g474::____embassy_main_task::{async_fn#0} @ src/main.rs:14
0.000091 INFO high
└─ embassy_stm32g474::____embassy_main_task::{async_fn#0} @ src/main.rs:19
└─ embassy_stm32g474::____embassy_main_task::{async_fn#0} @ src/main.rs:19
0.300201 INFO low
└─ embassy_stm32g474::____embassy_main_task::{async_fn#0} @ src/main.rs:23
----
└─ embassy_stm32g474::____embassy_main_task::{async_fn#0} @ src/main.rs:23
----

9
docs/modules/ROOT/pages/project_structure.adoc
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@ -38,13 +38,18 @@ DEFMT_LOG = "trace" # <- can change to info, warn, or error
=== build.rs
This is the build script for your project. It links defmt (what is defmt?) and the `memory.x` file if needed. This file is pretty specific for each chipset, just copy and paste from the corresponding link:https://github.com/embassy-rs/embassy/tree/main/examples[example].
This is the build script for your project. It links defmt (what is link:https://defmt.ferrous-systems.com[defmt]?) and the `memory.x` file if needed. This file is pretty specific for each chipset, just copy and paste from the corresponding link:https://github.com/embassy-rs/embassy/tree/main/examples[example].
=== Cargo.toml
This is your manifest file, where you can configure all of the embassy components to use the features you need.
TODO: someone should exhaustively describe every feature for every component!
==== Features
===== Time
- tick-hz-x: Configures the tick rate of `embassy-time`. Higher tick rate means higher precision, and higher CPU wakes.
- defmt-timestamp-uptime: defmt log entries will display the uptime in seconds.
...more to come
=== memory.x