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56 Commits

Author SHA1 Message Date
Sam Lakerveld
3fc54236ea
stm32/i2c: allow empty transfers with async api 2022-01-25 16:28:49 +01:00
Dario Nieuwenhuis
3d27a0e7cb stm32/dma: make lowlevel api take ptrs instead of slices. 2022-01-19 17:59:55 +01:00
Dario Nieuwenhuis
022c4cb739 stm32/dma: simplify impls a bit. 2021-12-08 03:30:07 +01:00
Dario Nieuwenhuis
b316d2620c stm32/dma: improve trait docs, seal Word. 2021-12-08 03:18:15 +01:00
Dario Nieuwenhuis
6179da6b9c stm32/dma: eagerly start transfers when calling the functions. 
`async fn`s do nothing until polled, but we want the DMA transfer to
immediately start in this case. Drivers rely on it. Some require special
orders, such as "start DMA, start SPI, then wait for DMA" which is awkward
to do without eager start.

Also use a manually-impl'd future, this allows getting rid of the "double"
Unborrow channel clone.
 2021-12-08 03:04:39 +01:00
Dario Nieuwenhuis
4e349d0f5d stm32/dma: use the right waker slot number for DMA2 (must add 8) 2021-12-08 01:54:31 +01:00
Dario Nieuwenhuis
fd2fe62b5f stm32/dma: rename is_stopped to is_running. 
Note that this does NOT invert the result of `en()` because it was
wrong before.
 2021-12-08 01:51:39 +01:00
Matous Hybl
b2910558d3 Refactor DMA traits. 2021-12-07 21:43:47 +01:00
Joshua Salzedo
e2719aba10 Further extend the dma channel trait 2021-12-07 21:43:47 +01:00
Joshua Salzedo
93e047ede2 cargo fmt 2021-12-07 21:43:47 +01:00
Joshua Salzedo
3411039cb9 Implement extended Channel trait to bdma.rs 2021-12-07 21:43:47 +01:00
Joshua Salzedo
2d2c6d0e01 Implement extended Channel trait to dma.rs 2021-12-07 21:43:47 +01:00
Joshua Salzedo
3272987d92 Expand channel trait 2021-12-07 21:43:47 +01:00
Dario Nieuwenhuis
b0fabfab5d Update stm32-data: rcc regs info comes from yamls now. 2021-11-29 02:28:02 +01:00
Bob McWhirter
bbff98ed0d Move the use inside the macro call, inside another set of braces in case it percolates up twice. 2021-10-26 14:34:03 -04:00
Bob McWhirter
a72816492a Only attempt to enable the dmamux peri clock if it has an enable bit. 2021-10-26 14:19:03 -04:00
Bob McWhirter
959aecf6ac Enable the DMAMUX clocks. 2021-10-26 14:01:39 -04:00
Dario Nieuwenhuis
ead987245d embassy: Refactor module structure to remove kitchen-sink util. 2021-09-11 02:35:35 +02:00
Thales Fragoso
c7ae2d2a3a stm32: Add fences to DMA code 2021-08-10 20:45:41 -03:00
Dario Nieuwenhuis
9bd34429f3 stm32: add missing + 'a bounds on trait GATs 2021-08-04 19:39:54 +02:00
Bob McWhirter
8759213fcc Use new interrupt! table format to /enable/ the IRQs also. 2021-07-27 13:23:33 -04:00
Bob McWhirter
b910551c9a Generate more rows in the interrupts! table. 
Adjust DMA/BDMA to use the new style.
 2021-07-27 12:52:01 -04:00
Dario Nieuwenhuis
3c7375c6cd stm32/bdma: do not clear IF on IRQ handler 2021-07-24 10:01:11 +02:00
Timo Kröger
43c4f24207 STM32 BDMA: Use interrupt flags instead of atomics 2021-07-24 09:26:07 +02:00
Timo Kröger
5a4a5ce334 STM32 DMA: Use interrupt flags instead of atomics 2021-07-24 09:26:07 +02:00
Bob McWhirter
b07325b476 Enable DMA for SPIv1 on F4's etc. 2021-07-23 13:22:39 -04:00
Bob McWhirter
a1dac21bdf Make SPIv3 work with DMA. 
Add both DMA and non-DMA example to H7.
 2021-07-23 13:22:39 -04:00
Bob McWhirter
0d2051243e SPIv2 + DMA. 2021-07-23 13:22:39 -04:00
Bob McWhirter
4c5a234a3a Add a non-minc write() to DMA which takes a count. 
Use it from "read-only" SPI.
 2021-07-23 13:22:39 -04:00
Bob McWhirter
2d3137afc7 The async move portion of @thalesfragoso's i2c PR. 2021-07-20 11:38:16 -04:00
Thales Fragoso
aae0431d31 stm32: Clear possible set flags after disabling DMA 2021-07-17 16:59:35 -03:00
Dario Nieuwenhuis
36be877ba3 stm32/dma: only set TRBUFF in DMAv1 (H7) 2021-07-17 08:01:20 +02:00
Dario Nieuwenhuis
3655048e0f stm32/dma: add MuxChannel trait to distinguish DMAMUX1 and DMAMUX2 channels. 2021-07-17 07:54:16 +02:00
Dario Nieuwenhuis
54b5012c56 stm32/dma: update codegen+macrotables for new stm32-data 2021-07-17 07:35:59 +02:00
Bob McWhirter
0119ea809d Get DMA on H7 working, add usart_dma example for H7. 2021-07-16 14:41:20 -04:00
Dario Nieuwenhuis
ae948415a7 stm32/dma: disable after finishing 2021-07-16 14:41:20 -04:00
Dario Nieuwenhuis
63a0e188ea stm32/dma: fix h7 impls 2021-07-16 14:41:20 -04:00
Dario Nieuwenhuis
3d1391ef2d stm32/dma: impl all variants 2021-07-16 14:41:20 -04:00
Bob McWhirter
6552af8f0b Fix warning for unused import. 2021-07-13 10:09:35 -04:00
Bob McWhirter
811ed18922 Add a missing 'use' for dma_v2. 2021-07-13 10:09:35 -04:00
Bob McWhirter
f01ddd5f5c Mix dmamux into bdma_v1. 2021-07-13 10:09:35 -04:00
Bob McWhirter
54ada5bae1 Stub in the DMA bits that aren't yet there. 2021-07-01 11:30:54 -04:00
Thales Fragoso
e07dda8707 stm32: Adjust some fences around DMA 
Also bump stm32-data
 2021-06-30 18:58:21 -03:00
Bob McWhirter
f3b9c97763 Change atomics and add a fence. 2021-06-30 10:17:25 -04:00
Bob McWhirter
c53ab325c1 Wire up DMA with USART v1. 2021-06-29 11:01:57 -04:00
Bob McWhirter
b88fc2847a Checkpoint with lifetime issues. 2021-06-29 11:01:57 -04:00
Dario Nieuwenhuis
e7dc5c0939 fmt: make all macros macro_rules so scoping is consistent. 2021-06-07 00:16:39 +02:00
Rukai
010b2b9497 Fix stm32 warnings 2021-06-06 00:46:20 +10:00
Bob McWhirter
b4dca64e20 Move most of DMA out of gen.py. 2021-06-03 14:53:48 -04:00
Dario Nieuwenhuis
d8e4421fc6 Add stm32-metapac crate, with codegen in rust 2021-05-31 02:40:58 +02:00