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Author SHA1 Message Date
9names 9641c0b4a4
Change pio::Tx::write to write u32 instead of <T>* (#352) 
* Change pio::Tx::write to write u32 instead of <T>*

* Use i2c-pio branch that supports new SIO FIFO API so the PIO FIFO changes don't break CI
 2022-06-13 18:24:05 +10:00
Kasil 9bce594db2
Add accessor for installed pio program offset (#355) 2022-06-05 21:56:46 +10:00
Jan Niehusmann ed7148a1e7
Take possible PIO program length of 32 into account (#350) 
Avoid overflow of left-shift operation by special-casing the value 32.

Fixes #349
 2022-06-02 07:03:04 +10:00
9names d66b47920e
Merge pull request #311 from Liamolucko/multicore-no-alloc 
Remove the `alloc` requirement for `Core::spawn`
 2022-06-01 20:52:11 +10:00
Liam Murphy e9534ace04 Add a fence after writing the arguments to the stack 
Co-authored-by: Jan Niehusmann <jan@gondor.com>
 2022-06-01 17:33:37 +10:00
9names e9f367f26c
Restrict PIO FIFO writes to unsigned integers (#318) 
* Change pio::Tx::write to write u32 instead of <T>*

* Add replicated u8/u16 writes to pio::Tx::write

* Switching back to generic version of pio::fifo.write()

* Fix links to make cargo doc happy

Co-authored-by: Jan Niehusmann <jan@gondor.com>

Co-authored-by: Jan Niehusmann <jan@gondor.com>
 2022-06-01 06:13:33 +10:00
Liam Murphy 9848f849bd Write core 1 arguments directly to RAM without casting to usize 2022-05-29 19:56:20 +10:00
Christian Maniewski 99b8845d74
Add missing GPIO I2C trait implmentations (#344) 2022-05-25 09:03:29 +10:00
Wilfried Chauveau 38692dfcb9
Add defmt feature (as optional dep) and allow i2c::Error to be formatted (#328) 2022-05-09 19:22:41 +10:00
Liam Murphy 0e5fdcfd9c Fix example 2022-05-08 20:14:40 +10:00
Liam Murphy c0fafc7694 Make Multicore take SioFifo rather than the whole Sio & make the spawn closure the last argument 2022-05-08 18:24:49 +10:00
Liam Murphy b932663cc9
Merge branch 'main' into multicore-no-alloc 2022-05-03 17:40:22 +10:00
mqy 623457a498 fixed typos 2022-04-30 12:51:45 +10:00
Wilfried Chauveau bb07402fc9 Abstract alarms 2022-04-30 11:54:54 +10:00
Wilfried Chauveau 977bc2732a Remove unmaintained implementation async i2c. 2022-04-30 11:46:30 +10:00
9names 3d8f66df78 Provide an unsafe function for resetting all spinlocks 2022-04-30 11:33:22 +10:00
Liam Murphy 67ceb65703 Update documentation and drop entrypoint on error 2022-04-21 14:38:36 +10:00
Liam Murphy 8a261b050c Remove the multicore trampoline and make the core 1 startup function generic 
I managed to avoid the multicore trampoline by messing with the signature of the core 1 startup function.
While the first couple arguments to a function with the arm C abi are passed in registers, once they're filled up, the rest of the arguments go on the stack; so, I put some dummy arguments before the real arguments to force them to go onto the stack. That allows it to be used directly, without needing the trampoline to move the arguments from the stack to registers.

I also changed the startup function to be generic over the function type passed, which avoids the mess of dealing with `Core1Main` and fat pointers and all that.
 2022-04-20 19:30:32 +10:00
Derek Hageman f9d2610fff Use direct assembler calls for the divider 
Convert the hardware divider to optimized assembler.
 2022-04-12 10:17:44 -06:00
Derek Hageman a15c109e8d Change hardware divider results structure order 
Putting the quotient first makes the compiler emit slightly better
code by putting the quotient in r0 which is generally what the
intrinsics want.
 2022-04-12 08:50:56 -06:00
Derek Hageman b8ef969d92 Generate intrinsic aliases directly 
Using the full module structure generated by the intrinsics macro
interacts oddly with inlining on some optimization levels, causing
a duplicate identical function body to be generated.  This doesn't
affect performance, but it wastes space, so just declare the alias
directly which seems to cause the symbol to be aliased as it should
be.
 2022-04-12 08:50:56 -06:00
Jan Niehusmann f67b650bb3
Remove some unused fields from UartPeripheral and Reader (#315) 
* Remove unused field `effective_baudrate` from uart code

* Remove unused field `config` from uart code
 2022-03-18 20:57:45 +11:00
Marius Meißner 990085948a
Using thread send safe UART* marker, as suggested by @danielzfranklin in #Issue-284 (#314) 2022-03-18 20:56:27 +11:00
Jan Niehusmann 6026ea4ae3
Allow to start multiple state machines in sync (#301) 
* add example of synchronized PIOs

* Synchronize state machines using WAIT IRQ instruction

* Use "irq wait 0" instead of "wait 1 irq 0"

This way, the initial value of the interrupt flag doesn't matter

* Start state machines synchronized without IRQ WAIT instruction

* Improve API

Co-authored-by: Andrew Straw <strawman@astraw.com>
 2022-03-18 20:55:31 +11:00
Jan Niehusmann f8de8755cc
Add an rp2040 specific #[entry] macro. (#300) 
* Add an rp2040 specific #[entry] macro.

This macro extends the one from cortex-m-rt by code to unlock
all spinlocks on boot.

* Idiomatic pointer arithmetic

Apply suggestion by @9names, improving address calculations.
(This doesn't change the generated code at opt levels 2 or "z".)

Co-authored-by: 9names <60134748+9names@users.noreply.github.com>
 2022-03-13 12:35:59 +11:00
9names b81955c2a8
Prep for 0.4.0 release (#312) 
* Update changelog for 0.4.0 release

* Enable rt feature for irq example in Cargo.toml

* Bump pio/pio-proc deps to 0.2.0, update pio examples

* Update BSPs to latest ws2812-pio, remove unused pio dep

* Fix usage of pio_proc in doc comment

* Clean up pio doc-example

* Update rp-pico to latest i2c-pio

Co-authored-by: Jan Niehusmann <jan@gondor.com>
 2022-03-11 22:37:34 +11:00
Liam Murphy 56aa96769d Don't assume usize is 32 bits 2022-03-05 21:57:35 +11:00
Liam Murphy f0b46c0f58 Remove the alloc requirement for Core::spawn 2022-03-05 14:55:32 +11:00
9names 111654fc28
Merge pull request #291 from jannic/avoid-64bit-division 
Avoid 64bit division
 2022-02-27 10:42:56 +11:00
Jan Niehusmann 021e942e47 Fix clippy warnings 2022-02-27 09:29:54 +11:00
Jan Niehusmann b46ddd7351 Add test cases for fractional_div() 2022-02-26 13:33:58 +00:00
Jan Niehusmann fecde70cf9 Derive several traits for ClockError 2022-02-26 13:33:58 +00:00
Jan Niehusmann 402b7f1eb8 Use u32 instead of u64 division in clock calculations 
This saves about 1kB of flash by removing
compiler_builtins::int::specialized_div_rem::u64_div_rem if
no other code uses u64 divisions.
 2022-02-26 13:33:58 +00:00
Jan Niehusmann 7750781650
Implement embedded-hal 1.0.0-alpha.7 traits (#298) 
* embedded-hal v1.0.0-alpha.7 removed several traits

* bump dependency to embedded-hal 1.0.0-alpha.7

* Mention embedded-hal alpha changes in changelog
 2022-02-26 21:06:55 +11:00
Emil Fresk b7e56d0869 Added so stopped PIO state machines can change their clock divider 2022-02-26 20:57:12 +11:00
9names 4075f81b2d
Merge pull request #272 from 9names/watchdog_fix 
Set hw reset bits for watchdog
 2022-02-20 16:46:12 +11:00
9names fff980611a
Merge pull request #289 from astraw/fix-typo 
fix typo
 2022-02-13 13:37:12 +11:00
Derek Hageman 80c84b13ba Add ROM floating point math library 
Hook up the ROM functions to floating point intrinsics.
 2022-02-12 11:56:24 -07:00
Derek Hageman ce681b4f10 Move divider intrinsics to the new intrinsics macro 2022-02-12 11:56:24 -07:00
Derek Hageman a70eb89799 Add basic ROM intrinsics 
Add a standardized macro for intrinsics export and connect the simple
ROM functions to intrinsics.
 2022-02-12 11:56:24 -07:00
Derek Hageman 81ab38fd71 Add ROM version check 
Add a check for a V2 bootrom when using floating point functions that
require it.  Panic when it's not present.
 2022-02-06 17:14:27 -07:00
Andrew Straw 799449dd1a fix typo 2022-02-06 09:03:30 +01:00
Derek Hageman a6f2453440 Fix ROM function signatures 
Fix a few function signatures that don't match the ROM according to the
datasheet.
_memset4 also has a wrong code in the datasheet, so match it to the
actual ROM.
 2022-02-04 07:18:11 -07:00
Jonathan 'theJPster' Pallant 8bdecd2058
Merge pull request #283 from Sizurka/rom-functions 
Improve ROM function access
 2022-02-04 09:53:59 +00:00
Derek Hageman 98fd6c1724 Add ROM function caching 
Add a feature to enable automatic caching of the result of ROM table
function lookups.
 2022-02-03 13:45:18 -07:00
Derek Hageman a6daaf9fa3 Standardize ROM function access 
Make all ROM functions (normal and floating point) provide both a direct
call that does the operation and a module with a ptr() function to get
the function pointer.
 2022-02-03 13:32:18 -07:00
Jonathan 'theJPster' Pallant 16c9064c52
Merge pull request #280 from 9names/alarm-ergonomics 
Use atomic operations for altering Timer alarm interrupts
 2022-02-03 19:47:40 +00:00
Jonathan 'theJPster' Pallant 385c92392b
Merge pull request #278 from Sizurka/divider-intrinsics 
Implement intrinsics for the hardware divider
 2022-02-03 19:46:00 +00:00
Jonathan 'theJPster' Pallant 4a540d041a Hide spinlock 31. 2022-01-30 16:43:59 +00:00
Jonathan 'theJPster' Pallant efda22c9ea Update spinlock docs. 2022-01-30 16:43:53 +00:00
Jonathan 'theJPster' Pallant f44f5f0e09 Make clippy happy. 2022-01-30 16:12:43 +00:00
Jonathan 'theJPster' Pallant 35a10f2bc6 Clean up critical-section impl. 
Adds new `Sio::core()` function.
 2022-01-30 16:07:40 +00:00
Jonathan 'theJPster' Pallant 7e2f8d274c Use const generics for spinlocks. 
The fewer code-generating macros we have, the better!
 2022-01-30 15:56:23 +00:00
Jonathan 'theJPster' Pallant c8c366c23d Use new spinlock API provide by PAC 0.3.0 2022-01-30 12:56:51 +00:00
9names b19f2cc8e5 Use atomic operations for altering Timer interrupts 2022-01-30 22:54:27 +11:00
Wilfried Chauveau d08bfac989 Fix i2c peripheral mode state machine 
The start_det flag is set as soon as a start condition occurs
whereas rd_req flag is only set once the address byte is received.
 2022-01-29 00:01:32 +11:00
Derek Hageman f279945315 Add intrinsics for the hardware divider 
Implement intrinsic functions so basic operators use the hardware divider.
 2022-01-26 19:37:06 -07:00
Derek Hageman 35704d9799 Change divider delay to explicit NOPs 
Use explicit NOPs since cortex_m::asm::delay actually delays for
longer than we need to.
 2022-01-26 19:37:06 -07:00
Derek Hageman c2d3b21d91 Make hardware divisor interrupt safe 
Copy the pico-sdk logic for save and restore of the hardware divider
for making it interrupt safe.
 2022-01-26 19:37:06 -07:00
9names 57e9943836 Set hw reset bits for watchdog 2022-01-20 21:55:16 +11:00
Victor Koenders d6e3c7b615
Set the uart config default baud rate to 115200 2022-01-18 17:28:13 +01:00
Victor Koenders b3b4d9ff6f
Fixed doc test 2022-01-18 11:32:48 +01:00
Victor Koenders 9e75cec551
Added impl Default for UartConfig 2022-01-18 11:17:01 +01:00
Wilfried Chauveau 7840d0f833 embassy-traits: Fix unexpected restart on repeated read. 2022-01-13 19:28:23 +11:00
Jonathan 'theJPster' Pallant d3c9c3b4e2
Merge pull request #263 from WeirdConstructor/fix_alarm_schedule_race_cond 
Fix alarm schedule race condition
 2022-01-12 20:07:59 +00:00
Weird Constructor 7a23247ca1 Fix alarm schedule() race condition. 2022-01-12 06:41:03 +01:00
Weird Constructor a7b71bd5aa Fix compilation bug in the documentation 2022-01-09 15:16:01 +01:00
Weird Constructor 9e84c961a8 (Hopefully) Improved documentation of bsp_pins!() 2022-01-09 13:50:57 +01:00
Jonathan 'theJPster' Pallant f23ababb1a
Merge pull request #197 from chinoto/pio_sound_send 
pio: Fix unsound Send clippy warning
 2022-01-06 12:57:26 +00:00
Jonathan Pallant 67d9da85e6 Fix docs for SerialInfallible. 2021-12-26 20:57:04 +00:00
Jonathan Pallant 55acbdb1b0 Fix build errors in eh_1.0 mode. 2021-12-26 20:56:48 +00:00
Jonathan Pallant (Ferrous Systems) d3bd232885 Added two UART IRQ examples. 
They are in the pico BSP as they need the 'rt' feature. Also includes
changes to the UART driver for enabling/disabling interrupts.
 2021-12-26 19:33:23 +00:00
Victor Koenders 8f63be0f22
Fixed failing doctest 2021-12-25 09:49:32 +01:00
Victor Koenders 86444448a4
Migrated examples to the new uart system 2021-12-25 09:46:40 +01:00
Victor Koenders c41c273131
Added reader/writer split to UartPeripheral 2021-12-25 09:46:38 +01:00
Victor Koenders 84b8fb05b0
Fixed compile errors on eh1_0_alpha feature 2021-12-25 09:46:34 +01:00
Victor Koenders a8a27672b8
Constraint the uart::pin:: traits to UartDevice 2021-12-25 09:45:57 +01:00
Victor Koenders a4a0bcf987
Added pins to the uart constructor functions 2021-12-25 09:45:54 +01:00
Victor Koenders bdfb4d82c9
Split uart in separate files, introduced a typesystem constraint for valid UART pin configurations 2021-12-25 09:45:45 +01:00
Jonathan Pallant 4959afe151 Include manufacturer in BSP crate name. 
Avoids ambiguity.
 2021-12-20 21:28:00 +00:00
Pedro Ferreira 24a417f01a
Make fields in UartConfig public (#233) 
Otherwise it's impossible to have a configuration which differs from the provided default options.
 2021-12-14 10:47:35 +11:00
9names 427344667e
Add basic multicore FIFO example (#226) 
* Add basic multicore fifo example

* Add documentation for multicore

* Send system_clock frequency to core1 over FIFO in example

* Add Stack::new() to HAL. Use Stack::new() in example
 2021-12-08 19:34:39 +11:00
Jonathan 'theJPster' Pallant b94a5ab885
Merge pull request #232 from jannic/refactor-uart-init 
Refactor uart init
 2021-12-05 18:02:44 +00:00
Jan Niehusmann b380b3ddf6 Reset UART in new() 2021-12-05 07:05:12 +00:00
9names dc8ceffd09 Move uses of sio::Sio to Sio 2021-12-04 16:20:27 +11:00
9names 11aa0b87af Cargo fmt 2021-12-04 15:38:25 +11:00
Jan Niehusmann 26fa532fa3 Refactor Uart initialization 2021-12-03 21:24:50 +00:00
9names 33ff337631
Merge branch 'rp-rs:main' into reexport_mod_structs 2021-12-04 00:43:14 +11:00
9names 6ab9cd7ed3 Generate sev in sio.fifo.write() 2021-12-04 00:42:46 +11:00
9names 55a8b4acf9 Re-export mod structs 2021-12-04 00:04:45 +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