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332 commits

Author SHA1 Message Date
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