Commit Graph

393 Commits

Author SHA1 Message Date
Ulf Lilleengen
e09bde9345 Add support for splitting stm32 usart into TX and RX
* Keeps existing API for usart, but wraps it in Tx and Rx sub-types
* Adds split() method similar to nRF for getting indepdendent TX and RX
  parts
* Implements e-h traits for TX and RX types
* Add stm32h7 example
2022-03-15 10:35:37 +01:00
Dario Nieuwenhuis
9bad9365dc Update rust nightly, embedded-hal 1.0, embedded-hal-async. 2022-03-11 00:38:07 +01:00
bors[bot]
3047098c55
Merge #648 #656
648: Fix nRF Saadc continuous sampling r=Dirbaio a=huntc

Starting the sampling task prior to starting the SAADC peripheral can lead to unexpected buffer behaviour with multiple channels. We now provide an init callback at the point where the SAADC has started for the first time. This callback can be used to kick off sampling via PPI.

We also need to trigger the SAADC to start sampling the next buffer when the previous one is ended so that we do not drop samples - the major benefit of double buffering.

Given these additional tasks, we now simplify the API by passing in the TIMER and two PPI channels.

As a bonus, we provide an async `calibrate` method as it is recommended to use before starting up the sampling.

The example has been updated to illustrate these new features along with the simplified API.

The changes here have been tested on my nRF52840-DK.

656: stm32: Refactor DMA interrupts r=Dirbaio a=GrantM11235

Previously, every dma interrupt handler called the same `on_irq`
function which had to check the state of every dma channel.

Now, each dma interrupt handler only calls an `on_irq` method for its
corresponding channel or channels.

Co-authored-by: huntc <huntchr@gmail.com>
Co-authored-by: Grant Miller <GrantM11235@gmail.com>
2022-03-09 00:43:17 +00:00
Grant Miller
ed84d753c7 Update examples 2022-03-08 17:12:50 -06:00
huntc
3990f09b29 Simplifies the API by taking in the TIMER and PPI channels 2022-03-07 14:51:17 +11:00
huntc
98bdac51fe Improve nRF Saadc sampling
Starting the sampling task prior to starting the SAADC peripheral can lead to unexpected buffer behaviour with multiple channels. We now provide an init callback at the point where the SAADC has started for the first time. This callback can be used to kick off sampling via PPI.

We also need to trigger the SAADC to start sampling the next buffer when the previous one is ended so that we do not drop samples - the major benefit of double buffering.

As a bonus we provide a calibrate method as it is recommended to use before starting up the sampling.

The example has been updated to illustrate these new features.
2022-03-07 14:51:17 +11:00
Timo Kröger
4c30543938 [can] Do not use wildcard reexport for bxcan 2022-03-05 09:46:06 +01:00
Matous Hybl
a88c5e716e stm32: Register access for timers now doesn't require self 2022-02-28 16:20:42 +01:00
Cristian Eigel
f4ac3cf364 Improve logic for processing button events 2022-02-16 21:22:35 +01:00
Dario Nieuwenhuis
d9aec181a4 rp: impl eh1.0 blocking traits 2022-02-15 17:29:05 +01:00
bors[bot]
eb922c4655
Merge #608
608: stm32f4: add adc + example r=Dirbaio a=ain101

Example tested on stm32f407vg Discovery Board.
minimal adc: no vref, dma, complex sequence

Co-authored-by: Frederik <frederik@frederik.at>
2022-02-13 11:44:59 +00:00
Dario Nieuwenhuis
340eb4eead stm32: add rust stable support 2022-02-12 02:45:52 +01:00
bors[bot]
f2eb438905
Merge #615
615: rp: remove OptionalPin r=Dirbaio a=Dirbaio

Mirror of https://github.com/embassy-rs/embassy/pull/605 for rp2040

Co-authored-by: Dario Nieuwenhuis <dirbaio@dirbaio.net>
2022-02-12 00:46:40 +00:00
Dario Nieuwenhuis
0c9b1abb67 rp: remove OptionalPin 2022-02-12 01:34:41 +01:00
bors[bot]
e728a32672
Merge #613
613: Rust stable support r=Dirbaio a=Dirbaio

This PR adds (limited) stable Rust support!

The drawbacks are: 

- No `#[embassy::task]`, `#[embassy::main]`. (requires `type_alias_impl_trait`). You have to manually allocate the tasks somewhere they'll live forever. See [example](https://github.com/embassy-rs/embassy/blob/master/examples/nrf/src/bin/raw_spawn.rs)
- No async trait impls (requires GATs). Note that the full API surface of HALs is still available through inherent methods: #552 #581 
- Some stuff is not constructible in const (requires `const_fn_trait_bound`), although there's an (ugly) workaround for the generic `Mutex`.

So it's not that bad in the end, it's fully usable for shipping production-ready firmwares. We'll still recommend nightly as the default, until GATs and `type_alias_impl_trait` are stable.

Co-authored-by: Dario Nieuwenhuis <dirbaio@dirbaio.net>
2022-02-12 00:30:47 +00:00
Dario Nieuwenhuis
20e14b8edb embassy, embassy-nrf: add nightly Cargo feature to gate nightly-only features. 2022-02-12 01:16:31 +01:00
Dario Nieuwenhuis
6c925b2342 blocking_mutex: refactor to work on stable. No GATs, and can be constructed in const. 2022-02-12 01:16:31 +01:00
Dario Nieuwenhuis
6de02bb23e nrf: remove OptionalPin 2022-02-12 01:07:02 +01:00
bors[bot]
5ae4e20f86
Merge #607
607: stm32: Add standard crate-wide macros for pin/dma traits r=Dirbaio a=Dirbaio

All drivers will declare the traits using these macros.

This has a few implications:
- ALL drivers will have an Instance trait, even for drivers that usually have only one instance (for example crc, eth)
- It's no longer possible to have a fn configure() in pin traits, drivers will have to do that some other way

In the future, build.rs will generate all the impls instead of macrotables.

Pin/Dma traits are no longer explicitly sealed, since gpio::Pin and dma::Channel are already sealed, which has the same effect. This means the `af_num()` and `request()` funcs are now public, but IMO that's okay, they're unlikely to change.

Co-authored-by: Dario Nieuwenhuis <dirbaio@dirbaio.net>
2022-02-11 23:11:12 +00:00
Cristian Eigel
0e0e23c5be Add button_events example for stm32f3 2022-02-11 22:10:47 +01:00
Frederik
7a3d28ad00 stm32f4: add adc + example
Example tested on stm32f407vg Discovery Board.
minimal adc: no vref, dma, complex sequence
2022-02-10 23:28:41 +01:00
Dario Nieuwenhuis
b99ab3d5d9 stm32: Add standard crate-wide macros for pin/dma traits, switch all drivers to use them. 2022-02-10 21:38:03 +01:00
Cristian Eigel
898851ceeb Port multiprio example to stm32f3 and stm32f4 platforms 2022-02-10 19:22:32 +01:00
Dario Nieuwenhuis
550da471be stm32: Remove OptionalPin
The idea behind OptionalPin has a few problems:

- you need to impl the signal traits for NoPin which is a bit weird https://github.com/embassy-rs/embassy/blob/master/embassy-stm32/src/dcmi.rs#L413-L416
- you can pass any combination of set/unset pins, which needs checking at runtime  https://github.com/embassy-rs/embassy/blob/master/embassy-stm32/src/dcmi.rs#L130

The replacement is to do multiple `new` constructors for each combination of pins you want to take.
2022-02-10 02:38:10 +01:00
Ulf Lilleengen
ed2a87a262 Add embassy-boot
Embassy-boot is a simple bootloader that works together with an
application to provide firmware update capabilities with a minimal risk.

The bootloader consists of a platform-independent part, which implements
the swap algorithm, and a platform-dependent part (currently only for
nRF) that provides addition functionality such as watchdog timers
softdevice support.
2022-02-09 10:50:29 +01:00
bors[bot]
d91bd0b9a6
Merge #602
602: Add stm32 USB OTG peripherals r=Dirbaio a=chemicstry

Fixes #557. This is similar to #580, but for synopsys IP.

I could add examples to other chips, but I have no way of testing them. The F4 example is tested and working.

Co-authored-by: chemicstry <chemicstry@gmail.com>
2022-02-09 00:29:00 +00:00
chemicstry
a766bf635d Fix function name 2022-02-09 02:04:31 +02:00
chemicstry
1f81a69347 Merge USB FS and HS peripherals. Add ULPI. 2022-02-09 02:02:23 +02:00
Matous Hybl
d37d714314 stm32: Add support for FMC 2022-02-08 17:30:20 +01:00
chemicstry
db0d798b48 Add stm32 USB OTG peripherals 2022-02-08 01:46:32 +02:00
Ulf Lilleengen
f79624c3e6 Upgrade to embedded-storage 0.3.0 2022-02-07 12:35:58 +01:00
bors[bot]
a1d6077446
Merge #591
591: PWM WS2812B example and flexible sequence config r=Dirbaio a=huntc

I've permitted the PWM sequences to be mutated on stopping the PWM by associating them with a new  `SingleSequencer` structure. This is so that we can perform effects on the LEDs (and other use-cases, I'm sure!). The example has been updated to illustrate the use of this by flashing a WS2812B LED.

There's also a `Sequencer` structure for more sophisticated PWM interactions, along with a `pwm_double_sequence`  example to illustrate.

These changes should make it possible to attain all of the nRF PWM functionality available.

Co-authored-by: huntc <huntchr@gmail.com>
2022-02-05 02:20:13 +00:00
huntc
df5ba727f2 Further API simplification for the single seq scenario 2022-02-05 08:05:23 +11:00
huntc
81d31e43eb Removed unrequired clone 2022-02-04 19:18:10 +11:00
huntc
965a5f2c3f Introduced the SingleSequencer and a more complex Sequencer 2022-02-04 19:11:15 +11:00
huntc
9e36ede363 Small correction to times 2022-02-04 16:48:26 +11:00
huntc
e9e4d058d1 Revert the use of forever 2022-02-04 16:39:14 +11:00
huntc
81f98c32aa Update another example 2022-02-04 16:34:25 +11:00
huntc
fe5501293f Expose PWM 2022-02-04 16:26:23 +11:00
huntc
1af6b23f97 Introduces a Sequences struct 2022-02-04 13:04:55 +11:00
huntc
986295998a Some more doco 2022-01-30 16:26:09 +11:00
huntc
1c67bd4643 Revert "Own the sequence buffer"
This reverts commit 482389a691.
2022-01-30 16:21:23 +11:00
huntc
482389a691 Own the sequence buffer
This approach owns the sequence buffers which, while introducing an extra move, it eliminates the need to guard the lifetime of the sequence buffer. Given ownership, the buffer will be retained until the PWM sequence task is stopped.
2022-01-29 18:01:06 +11:00
huntc
9ac52a768b Now permits sequences to be mutated subsequently 2022-01-28 16:32:58 +11:00
huntc
12ce024574 Make the sequence a little nicer to pass around 2022-01-28 13:38:20 +11:00
huntc
47aeab152f PWM WS2812B example and per sequence config
Demonstrates how to set the colour of a WS2812B to blue using PWM, and the use of multiple sequences along with their own config. This required an API change.
2022-01-28 11:20:04 +11:00
Dario Nieuwenhuis
0719b05d63 traits: migrate Delay to embedded-hal 1.0+async, remove Rng and Flash. 2022-01-27 00:08:02 +01:00
Ulf Lilleengen
4032fc0655 Support unstable-trait feature for stm32 2022-01-26 22:39:06 +01:00
huntc
c9f29534d6 Stop PWM before assigning the new sequence
I had introduced a small bug in my last PR where I assigned the sequence before stopping the PWM. I now stop the PWM before doing that now.

Also, corrected a math comment.
2022-01-25 16:51:24 +11:00
bors[bot]
0549a9dbaa
Merge #585
585: Permit many sequences to be passed r=huntc a=huntc

Sequences are now passed in via the start method to avoid having to stop the PWM and restart it. Sequences continue to be constrained with the same lifetime of the Pwm struct itself. The pwm_sequence example has been extended to illustrate multiple sequences being passed around.

Co-authored-by: huntc <huntchr@gmail.com>
2022-01-24 21:42:01 +00:00