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259 commits

Author SHA1 Message Date
Jan Niehusmann 26fa532fa3 Refactor Uart initialization 2021-12-03 21:24:50 +00:00
9names 6ab9cd7ed3 Generate sev in sio.fifo.write() 2021-12-04 00:42:46 +11:00
9names a7d5dc2bee Add safety docs from atsamd-rs to GPIO traits 2021-12-03 23:42:45 +11:00
Gus Caplan 5dafe3985f use user-provided stack for core 1 
Fixes: https://github.com/rp-rs/rp-hal/issues/218
 2021-12-03 20:24:53 +11:00
9names d84e641390
Add simple interrupt_disable+spinlock critical-section impl (#151) 
* Add basic interrupt_disable+spinlock critical-section

* Update impl based on feedback from jannic

* Get rid of count variable, switch to AtomicU8 for lock state

* Remove interrupt::disable that isn't necessary for safety

* Rename variables, re-write most of the comments

* Add fences to ensure ordering
 2021-12-02 00:03:41 +11:00
devsnek e1f99443d9
multicore (#89) 
mvp multicore implementation

Co-authored-by: Jan Niehusmann <jan@gondor.com>
 2021-12-01 23:52:53 +11:00
Trangar f68f148d12
Added RtcClock DateTime and alarms (#213) 
* Added RealTimeClock, DateTime and RTC alarms

* Improved documentation on weird behaviors in the RealTimeClock

* Fixed incorrect leap_year_check in RealTimeClock

* Fixed rtc-datetime PR feedback
 2021-11-29 21:15:20 +11:00
Jonathan 'theJPster' Pallant fad1dfa259
Merge pull request #191 from jannic/rename-set_instruction 
Rename set_instruction to exec_instruction
 2021-11-25 19:08:13 +00:00
Jonathan 'theJPster' Pallant 3a3280575f
Merge pull request #204 from rp-rs/add_sio_fifo 
Add SIO FIFO
 2021-11-25 19:05:40 +00:00
Jan Niehusmann bb8531445e Fix fmt 
Thats what happens when editing files directly on github...
 2021-11-25 16:44:57 +00:00
Jan Niehusmann 15c162757f
Update docs in rp2040-hal/src/pio.rs 
Co-authored-by: Wilfried Chauveau <wilfried.chauveau@ithinuel.me>
 2021-11-25 17:38:18 +01:00
Jonathan Pallant (Ferrous Systems) 69255f7b8c Fix wfe/sev semantics. 
We must sev on write, so the other core can wfe on read.
 2021-11-25 15:14:03 +00:00
Jonathan Pallant (Ferrous Systems) e9694bbb91 Use released 0.2.0 PAC. 2021-11-25 14:45:28 +00:00
Jonathan Pallant ed860ed106
Merge pull request #208 from VictorKoenders/spinlock 
Added spinlocks
 2021-11-25 14:44:46 +00:00
Jonathan Pallant 968e49aa03
Merge pull request #198 from VictorKoenders/alarm 
Added timer alarms
 2021-11-25 14:33:06 +00:00
Jonathan Pallant 292a6f13c8
Merge pull request #205 from jannic/eh-1_alpha6 
Update eh1_0_alpha feature for embedded-hal 1.0.0-alpha.6
 2021-11-25 14:30:02 +00:00
Victor Koenders 111b355da2
Fixed error in spinlock's documentation 2021-11-24 11:59:43 +01:00
Victor Koenders 88fbc38f8b
Added spinlocks 2021-11-24 08:19:42 +01:00
Victor Koenders a9d96f352e
Removed incorret unsafe impl Sync, added interrupt_free around obtaining an alarm 2021-11-24 07:41:04 +01:00
Victor Koenders 1fd04d3384
Made the alarmX take exclusive ownership of Timer on functions that could cause UB when run in parallel 2021-11-24 07:41:03 +01:00
Victor Koenders 97a5bd355c
Added AlarmX::disable_interrupt, made AlarmX::schedule able to return an error if the time is too short 2021-11-24 07:41:00 +01:00
Victor Koenders 119c5a94e8
Added timer alarms 2021-11-24 07:40:56 +01:00
Jan Niehusmann 3ab84702b7 Update comments 2021-11-21 13:16:03 +00:00
Jan Niehusmann 9a018ac359 Update uart implementation of embedded-hal 1.x to 1.0.0-alpha.6 2021-11-19 22:46:55 +00:00
Jan Niehusmann 1294f556e9 Update SPI implementation of embedded-hal 1.x to 1.0.0-alpha.6 2021-11-19 22:46:55 +00:00
Jonathan Pallant 68602fa6e1 0.1.6 had breaking changes, so I yanked it and made 0.2.0. 2021-11-19 22:30:43 +00:00
Jonathan Pallant 84b903b12a PAC 0.1.6 is now released. 2021-11-19 22:22:29 +00:00
Jan Niehusmann 0f3bb8e88c Update I2C implementation of embedded-hal 1.x to 1.0.0-alpha.6 2021-11-19 21:41:45 +00:00
Jan Niehusmann 76aff05cec Update dependency on embedded-hal 1.x to 1.0.0-alpha.6 2021-11-19 21:41:00 +00:00
Jonathan Pallant 038f792e21 Apply clippy's suggestions. 2021-11-19 17:38:32 +00:00
Jonathan Pallant 68014469dd Add SIO FIFO interface. 2021-11-19 17:19:04 +00:00
Jonathan Pallant 23bafb6980 Point at PAC release branch. 2021-11-19 12:22:52 +00:00
Jonathan Pallant 0a082c0f03 Changes to work with upcoming PAC 0.16. 2021-11-19 12:16:50 +00:00
Jan Niehusmann aafa3dd587 Keep old function as a deprecated alternative, for now 
Mainly so i2c-pio-rs doesn't fail, as it is used by examples.
Should be removed once i2c-pio-rs is updated.
 2021-11-16 22:27:08 +00:00
Jan Niehusmann 3756cd2fb5 Rename set_instruction to exec_instruction 2021-11-16 22:27:08 +00:00
Jonathan Pallant b9497d9b82 Resolve review comments. 
Adds same functions to RX FIFO.
 2021-11-16 21:45:52 +00:00
Jonathan Pallant 5c1bcd2604 Adds some useful functions when using PIO FIFOs with DMA. 2021-11-16 19:18:32 +00:00
contradict f9b3d8341d
Document properties needed for PIO Send safety (#190) 
Start to address #186 (Safety requirement must be verbosely advertised to not be overlooked in future changes).

#177 (Mark PIO StateMachine, Rx and Tx as Send) added the Send trait to StateMachine, Tx and Rx, That documentation was expanded as suggested.

PIO, UninitStateMachine, Interrupt were marked Send before #177, added some documentation to those as well.
 2021-11-10 21:55:37 +11:00
Wilfried Chauveau 620d5f0e0c
Use the PIOn peripherals in pin functions rather than creating an enum. (#193) 
This allows the `FuncionPio?` to be inferred from the `pac::PIO?` used.
This change shall be transparent for anyone using the `FunctionPio?` aliases.
 2021-11-10 21:27:46 +11:00
Wilfried Chauveau 990d964a93
Implement peripheral support for i2c and an advanced example (#162) 
* Implement peripheral support for i2c and an advanced example for the pico board.

* Simplify i2c peripheral bootstrap and add a "free" function to allow switching modes.

* Set dependency to futures & nostd_async to specific version/revision.

* move enum & struct to the start of the file

* Add a bit of documentation to the pico_i2c_controller_peripheral demo.

* Migrate to pico_i2c_controller_peripheral to embassy & simplify the peripheral support

nostd_async is broken since last stable roll out.
The pico_i2c_controller_peripheral is being migrated to use embassy's executor.
The Controller Async API is now aligned with embassy's traits to facilitate integration.

The peripheral no longer require async to run and now appears as an event iterator.

Embassy's support relies on unstable features (generic_associated_types and type_alias_impl_traits)
and is therefore gated behind the `embassy-traits` feature flag.

* make futures & embassy optional for the pico board too

* Pin embassy to a specific rev.

* Impl embassy_traits::i2c::WriteIter & enable unlimited transfer size on i2c

* Applies comment suggestion from @9names for the advanced i2c example.

Co-authored-by: 9names <60134748+9names@users.noreply.github.com>

* use `I2C block` instead of `IP`.

* Fix formatting (unnecessary space at end of line)

* Enhance explanation for why `rd_req()`  is not cleared in `Iterator::next`'s
implementation.

Co-authored-by: 9names <60134748+9names@users.noreply.github.com>
 2021-11-08 23:23:28 +11:00
Benno 6d917f498e
Change UART raw read return type and fix full read (#189) 
* UART read_raw returns bytes read

This also fixed broken read_full_blocking code.

* chang documentation to reflect return value change
 2021-11-01 10:24:24 +11:00
contradict fb69308058 Add methods to set and clear the PWM Interrupt force register. 2021-10-30 20:40:33 +11:00
Jan Niehusmann b1dc9aec8c Fix UART init code 
Set uartlcr_h before enabling the UART.
Writing uartlcr_h while the UART is enabled is forbidden by the datasheet.

Details can be found here:
https://developer.arm.com/documentation/ddi0183/g/programmers-model/register-descriptions/line-control-register--uartlcr-h?lang=en
(As referenced from the Datasheet)
 2021-10-30 10:19:13 +11:00
Jan Niehusmann 73431a847b
fix UART rx (#187) 2021-10-30 10:16:43 +11:00
contradict fe1e55b8c0
Mark PIO StateMachine, Rx and Tx as Send (#177) 
* Mark PIO StateMachine, Rx and Tx as Send

* Improve comment grammar.

Co-authored-by: Wilfried Chauveau <wilfried.chauveau@ithinuel.me>
 2021-10-27 21:34:08 +11:00
Wilfried Chauveau 73e2c6921f Make ReadableOutput public to match the visibility of other Type-level variant of PinMode. 2021-10-27 21:32:38 +11:00
Jan Niehusmann 9f55608f92 Correct limit for PIOBuilder::out_pins count argument 
This value is written to the PINCTRL register field
OUT_COUNT, which accoding to the data sheet has a valid range
of 0-32.

Fixes #181
 2021-10-23 13:34:05 +00:00
contradict 11aaf9be79
API to enable/disable interrupts for each PWM channel. (#175) 
* API to enable/disable interrupts for each PWM channel.

* Better name for overflow check.
 2021-10-23 22:47:08 +11:00
contradict 97079489ef Mark Timer as sync 
Since all accesses are read-only there is no synchronizing to be done.
 2021-10-23 00:03:30 +11:00
Jan Niehusmann 4c4d12e23c minor docs improvements in pio.rs 2021-10-22 23:52:14 +11:00