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Author SHA1 Message Date
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 7aefb8680d
Update BSPs prior to release (#313) 
* Update BSP authors to include 'rp-rs developers'

* Update BSP readme's to reflect current release version

* Update BSP changelogs

* Fix version number in HAL README
 2022-03-12 22:43:16 +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 51cd52bb8c fmt 2022-03-05 18:53:11 +11:00
Liam Murphy f0b46c0f58 Remove the alloc requirement for Core::spawn 2022-03-05 14:55:32 +11:00
9names a40bcc94ea
Add changes since 0.3.0 to changelog (#295) 2022-03-03 14:34:51 +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
Jonathan 'theJPster' Pallant 212ffec6ca
Merge pull request #294 from 9names/gpio_irq_example 
Add GPIO interrupt example
 2022-02-21 18:10:27 +00:00
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 8063882801
Add note about #[interrupt] mut -> &mut transform 
Co-authored-by: Jan Niehusmann <github@gondor.com>
 2022-02-16 22:48:52 +11:00
9names 35875c8756 Store pins together in a tuple to reduce boilerplate 2022-02-15 20:17:18 +11:00
9names 44a9b0f541 Add GPIO interrupt example 2022-02-14 22:47:46 +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
Andrew Straw cd15d268f6 run 'cargo fmt' 2022-02-02 22:10:39 +01:00
Andrew Straw a1ed9ef93c example of side setting using PIO 2022-02-01 11:09:09 +01:00
Jonathan 'theJPster' Pallant 354a2a5e5e
Merge pull request #281 from rp-rs/update_pac 
Use new spinlock API provide by PAC 0.3.0
 2022-01-31 10:40:02 +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
Jan Niehusmann a9763837a9 Add comment regarding release mode 2022-01-28 22:18:32 +00:00
Jan Niehusmann f6b2e3365e use dht-sensor crate and fix comments 2022-01-28 21:36:30 +00:00
Jan Niehusmann bb6b7706f9 Add dht11 example 2022-01-28 19:44:26 +00:00
Jonathan Pallant 5771f872f2
Merge pull request #269 from 9names/fix_uart_example_clock 
Use .freq() to avoid moving clock
 2022-01-28 15:03:23 +00:00
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
9names c8b75204ee Use .freq() to avoid moving clock 2022-01-20 18:28:51 +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 'theJPster' Pallant 43650b3248
Merge pull request #248 from jannic/bump-versions 
Bump versions of HAL and BSPs
 2021-12-27 11:00:31 +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
Jan Niehusmann 2f9a950cbe Bump versions of HAL and BSPs 
The change to UartPeripheral in #210 was a breaking change:
Bump the version of the HAL and all dependent BSP crates.
 2021-12-26 19:52:04 +00:00
Jonathan Pallant 7da16a726f Fixing typos spotted in the review. 2021-12-26 19:39:16 +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
Jonathan Pallant 7278c36e93 Add MSRV 2021-12-20 20:05:40 +00:00
Jonathan Pallant 96c2273dce Noted 0.3.0 includes many bug fixes. 2021-12-20 19:53:15 +00:00
Jonathan Pallant 5701ab431f Revised CHANGELOG. 
Added extra items to 0.3.0.
Reformatted 0.2.0 entry.
 2021-12-20 19:52:31 +00:00
Jonathan Pallant bebf85d4d9 Set up for 0.3.0 release. 
Somehow we already had a bunch of commits talking about 0.3.0, but it
was never released. Hence why this maybe doesn't change as many version
numbers as you might expect.
 2021-12-19 19:22:15 +00:00
Jonathan Pallant a9f6ab8de4 Comment out embassy traits. 
The git dep prevents us from publishing, rp2040-hal, and embassy
aren't doing a release any time soon.
 2021-12-18 19:09:37 +00:00
Jonathan 'theJPster' Pallant 53d9dbdf52
Update to pio-rs v0.1.0 (#239) 
* Update to PIO 0.1.0

* Update to latest ws2812-pio and i2c-pio.

These depend on pio 0.1.0, avoiding a conflict

* Rename CI tests.

Also check we can cargo build. And remove 'on host tests' that didn't
do anything.

Co-authored-by: Jonathan Pallant <jonathan.pallant@42technology.com>
 2021-12-14 10:52:32 +11:00
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 539f6db0f7
Merge pull request #231 from ithinuel/bump-embassy 
Bump embassy's dependencies
 2021-12-05 18:03:03 +00:00
Jonathan 'theJPster' Pallant b94a5ab885
Merge pull request #232 from jannic/refactor-uart-init 
Refactor uart init
 2021-12-05 18:02:44 +00:00
Wilfried Chauveau fee8881801
bump embassy's dependencies 2021-12-05 12:39:25 +00:00
Jan Niehusmann b380b3ddf6 Reset UART in new() 2021-12-05 07:05:12 +00:00
9names 422da14e19
Merge branch 'main' into reexport_mod_structs 2021-12-05 01:04:08 +11:00
9names 0e7abdc705
Make BSPs provide boot2 as a default feature (#153) 
* Add boot2 feature. Add boot2 linkage into each BSP optional on feature

* Enable boot2 feature in BSPs by default. Remove boot2 decl from all BSP examples

* Add EXTERN in memory.x for BOOT2_FIRMWARE, rename bootloader static slice to BOOT2_FIRMWARE

* Update new examples and itsy_bitsy BSP to use boot2 feature

* Remove boot2 as a dev-dependency for the BSPs, no longer needed

* Add no_mangle BOOT2_FIRMWARE to adafruit_macropad

* Fix itsy-bitsy blinky - it wasn't using the BSP, so it didn't get BOOT2_FIRMWARE linked in
 2021-12-05 01:00:09 +11:00
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