LailaTheElf/embassy
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181 Commits

Author SHA1 Message Date
Dario Nieuwenhuis
e67dfcb04f stm32/dma: add AnyChannel, add support for BDMA on H7. 2024-02-24 02:41:41 +01:00
Grant Miller
87a52f5ead stm32/usart: Add doc links to buffered uarts 2024-02-03 17:04:20 -06:00
Andres Vahter
ec2e3de0f4 stm32 uart: fix buffered flush for usart_v1, usart_v2 
There is one caveat. For some reason with first send using usart_v1/usart_v2 TC flag appears right after first byte from buffer is written to DR. Consecutive transfers work as expected - TC flag appears when last byte is fully transferred to wire.
 2024-01-20 00:15:40 +01:00
Andres Vahter
534c53c901 stm32 uart: remove unwrap 
unwraps take more space because of panics
 2024-01-20 00:15:40 +01:00
Andres Vahter
c936d66934 stm32 uart: fix flush for non usart_v4 variants 
Byte was written to TDR and right after that waker was called. This means `flush` would see that `tx_buf` is empty and can return Ready although actually hardware was still writing this last byte to the wire.
With this change non `usart_v4 ` variants would also use TC interrupt to check when last byte was sent out.
 2024-01-20 00:15:39 +01:00
Andres Vahter
17d6e4eefe stm32 uart: do not wake after sending each byte 
usart_v4 uses TC interrupt to see if all bytes are sent out from the FIFO and waker is called from this interrupt. This minimises unnecessary wakeups during sending.
 2024-01-20 00:15:39 +01:00
Andres Vahter
ec47e931ac stm32: fix buffered uart flush 
usart_v4 uses internal FIFO and therefore actually all bytes are not yet sent out although state.tx_buf.is_empty()
 2024-01-20 00:15:39 +01:00
Harry Brooke
d781e231cd make usart::State private 2024-01-19 23:20:20 +01:00
lights0123
dc295fa1db
stm32: add half duplex USART driver 2023-12-26 16:35:36 -05:00
Barnaby Walters
f97ef61ef8 Documented usart public API 2023-12-19 16:41:00 +01:00
Dario Nieuwenhuis
49534cd405 stm32: more docs. 2023-12-19 00:10:36 +01:00
Dario Nieuwenhuis
80c9d04bbd stm32: add some docs. 2023-12-18 00:53:18 +01:00
lights0123
dfba51d3f2
stm32: usart pin inversion 2023-12-10 18:39:45 -05:00
Dario Nieuwenhuis
c6989dfbca Remove nightly and unstable-traits features in preparation for 1.75. 2023-11-29 17:26:33 +01:00
Andres Vahter
bda99e59ec stm32: fix uart parity, add comment why it is so 2023-10-24 15:57:03 +03:00
Andres Vahter
25c2a9baaa stm32 uart: remove redundant set_fifoen(true) 2023-10-24 10:11:54 +03:00
Andres Vahter
1e362c750b stm32 uart: use ConfigError instead of () as error 2023-10-24 09:54:17 +03:00
Andres Vahter
7f72dbdaf2 stm32: fix set_config for buffered uart 
In reconfigure() cr1 register is initialised with write (not modify) which means rxneie and idleneie are disabled after reconfiguration.
 2023-10-24 09:09:33 +03:00
Andres Vahter
188ee59ba6 stm32: fix setting uart databits 2023-10-23 22:40:24 +03:00
Andres Vahter
591612db7e stm32 uart: return error if rx and tx not enabled 2023-10-23 22:39:24 +03:00
Scott Mabin
a6bbb130c5 make set_config concrete methods public again 2023-10-12 23:03:33 +01:00
pbert
ecdd7c0e2f enable clock first 2023-10-12 11:04:44 +02:00
pbert
f65a96c541 STM32: combine RccPeripherals reset() and enable() to reset_and_enable() 2023-10-12 11:04:19 +02:00
xoviat
05218a52e6 stm32: update set_config 2023-10-01 09:39:10 -05:00
Dario Nieuwenhuis
44bb405683 stm32/usart: enable fifo mode on usartv4. 2023-09-26 04:38:53 +02:00
Dario Nieuwenhuis
5d8817d109 stm32/usart: return error instead of panicking on bad baudrate. 2023-09-26 00:19:27 +02:00
Scott Mabin
88eb5cca71 stm32: Implement set_config for Uart structs 2023-09-17 18:38:03 +01:00
Mathias
49847ff432 Implement blocking embedded-io::Write for Uart & UartTx 2023-09-14 10:09:09 +02:00
cumthugo
582ef90994 stm32/usart: fix usart not wake up issue 2023-09-13 23:47:46 +08:00
xoviat
274f63a879 stm32: fix refcounts for usart, spi, and i2c 2023-09-04 15:47:33 -05:00
Dion Dokter
a5484cd119 Modified the brr calculation to be fully 32-bit 2023-08-22 20:52:02 +02:00
Dario Nieuwenhuis
f26dd54f63
Update embedded-hal to 1.0.0-rc.1 (#1783) 2023-08-16 00:40:56 +02:00
Dario Nieuwenhuis
5d5cd23715
Update to embedded-io 0.5 (#1752) 2023-08-07 13:43:09 +02:00
Grant Miller
d49f40dd5c embassy-stm32: Misc clippy fixes 2023-08-06 15:00:39 -05:00
xoviat
bae31ebce7 stm32/dma: rename ringbuf 2023-07-29 19:25:18 -05:00
Dario Nieuwenhuis
036e6ae30c
Rename embassy-hal-common to embassy-hal-internal, document it's for internal use only. (#1700) 2023-07-28 13:23:22 +02:00
xoviat
3c41784de8 stm32/usart: fix error msg for lptim 2023-07-24 18:08:23 -05:00
Alessandro Pezzato
36ff688fab stm32/uart: optimize swap_rx_tx 2023-07-19 10:50:40 +02:00
Alessandro Pezzato
3df2c71e6c stm32/uart: add swap_rx_tx 2023-07-19 10:26:47 +02:00
Dario Nieuwenhuis
e892014b65 Update stm32-metapac, includes chiptool changes to use real Rust enums now. 2023-06-29 02:01:33 +02:00
Dario Nieuwenhuis
558918651e stm32: update stm32-metapac. 2023-06-19 03:22:12 +02:00
Peter Gibson
b4f96e192c Don't read data register to clear flags on usart v3 ^& v4 2023-06-18 08:45:58 +10:00
Peter Gibson
d236f3dbf9 actually fix formatting 2023-06-15 18:35:58 +10:00
Peter Gibson
d23717904b fix formatting 2023-06-15 18:33:01 +10:00
Peter Gibson
837950cd74 ensure DR is read to clear idle/overflow interrupt when they occur independently of the rxne 2023-06-15 13:24:49 +10:00
Dario Nieuwenhuis
921780e6bf Make interrupt module more standard. 
- Move typelevel interrupts to a special-purpose mod: `embassy_xx::interrupt::typelevel`.
- Reexport the PAC interrupt enum in `embassy_xx::interrupt`.

This has a few advantages:
- The `embassy_xx::interrupt` module is now more "standard".
  - It works with `cortex-m` functions for manipulating interrupts, for example.
  - It works with RTIC.
- the interrupt enum allows holding value that can be "any interrupt at runtime", this can't be done with typelevel irqs.
- When "const-generics on enums" is stable, we can remove the typelevel interrupts without disruptive changes to `embassy_xx::interrupt`.
 2023-06-08 18:00:48 +02:00
Dario Nieuwenhuis
404aa29289 cortex-m: remove owned interrupts. 2023-06-01 03:25:19 +02:00
xoviat
aba0f8fd6c stm32/uart: refactor rx ringbuffer 
- remove some race conditions
- allow full use of rx buffer
 2023-05-29 14:49:43 -05:00
Rasmus Melchior Jacobsen
cb5df138d6 Use found divider instead of re-reading brr 2023-05-26 23:48:49 +02:00
Rasmus Melchior Jacobsen
f616b22159 Fix yet another v1 error 2023-05-25 18:16:46 +02:00