Derek Hageman
f9d2610fff
Use direct assembler calls for the divider
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Convert the hardware divider to optimized assembler.
2022-04-12 10:17:44 -06:00
Derek Hageman
a15c109e8d
Change hardware divider results structure order
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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
80c84b13ba
Add ROM floating point math library
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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
Jonathan 'theJPster' Pallant
385c92392b
Merge pull request #278 from Sizurka/divider-intrinsics
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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.
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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
Derek Hageman
f279945315
Add intrinsics for the hardware divider
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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
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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
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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
6ab9cd7ed3
Generate sev in sio.fifo.write()
2021-12-04 00:42:46 +11:00
Jonathan 'theJPster' Pallant
3a3280575f
Merge pull request #204 from rp-rs/add_sio_fifo
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Add SIO FIFO
2021-11-25 19:05:40 +00:00
Jonathan Pallant (Ferrous Systems)
69255f7b8c
Fix wfe/sev semantics.
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We must sev on write, so the other core can wfe on read.
2021-11-25 15:14:03 +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
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
Hmvp
d3cb29b113
Fix doc examples and add checking ( #76 )
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* Fix doc examples for peripheral drivers
* Add no_run to doc examples so they can be built by CI
* Enable building doc examples in CI check workflow
2021-08-11 10:53:42 +10:00
Rudo2204
2d1086915c
Fix unsigned hardware divide/modulo
2021-07-30 10:50:58 +10:00
Andrea Nall
e3be4f8025
Massive GPIO refactor
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Bring in line with atsamd-hal GPIO v2
Copied as much as possible. Docs lifted mostly as-is.
Also add sample BSP for the Feather RP2040 in boards/feather_rp2040
May include a few random fixes from currently futile attempt to get doctests working.
2021-07-03 10:32:43 +10:00
Rudo
a14cbb5819
Hardware divide/modulo support ( #40 )
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* Initial SIO div/mod implementation
* Implement signed/unsigned methods for HwDivider
2021-05-29 22:26:49 +10:00
Andrea Nall
35464a1c4b
typo fix, rustfmt
2021-05-10 08:29:59 -05:00
Andrea Nall
2ef1343c05
add module to manage ownership of parts of SIO
2021-05-09 22:33:36 -05:00