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@jessebraham jessebraham released this 10 Oct 11:13
· 1302 commits to main since this release
v0.21.0
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Please note that only changes to the esp-hal package are tracked in these release notes.

Migration Guides

Changelog

Added

  • Introduce traits for the DMA buffer objects (#1976, #2213)
  • Implement embedded-hal output pin traits for NoPin (#2019, #2133)
  • Added esp_hal::init to simplify HAL initialisation (#1970, #1999)
  • Added GpioPin::degrade to create ErasePins easily. Same for AnyPin by accident. (#2075)
  • Added missing functions to Flex: unlisten, is_interrupt_set, wakeup_enable, wait_for_high, wait_for_low, wait_for_rising_edge, wait_for_falling_edge, wait_for_any_edge. (#2075)
  • Flex now implements Wait. (#2075)
  • Added sleep and wakeup support for esp32c2 (#1922)
  • Input, Output, OutputOpenDrain and Flex now implement Peripheral. (#2094)
  • Previously unavailable memory is available via .dram2_uninit section (#2079)
  • You can now use Input, Output, OutputOpenDrain and Flex pins as EXTI and RTCIO wakeup sources (#2095)
  • Added Rtc::set_current_time to allow setting RTC time, and Rtc::current_time to getting RTC time while taking into account boot time (#1883)
  • Added APIs to allow connecting signals through the GPIO matrix. (#2128)
  • Allow I8080 transfers to be cancelled on the spot (#2191)
  • Implement TryFrom<u32> for ledc::timer::config::Duty (#1984)
  • Expose RtcClock::get_xtal_freq and RtcClock::get_slow_freq publically for all chips (#2183)
  • TWAI support for ESP32-H2 (#2199)
  • Make DmaDescriptor methods public (#2237)
  • Added a way to configure watchdogs in esp_hal::init (#2180)
  • Introduce DmaRxStreamBuf (#2242)
  • Implement embedded_hal_async::delay::DelayNs for TIMGx timers (#2084)
  • Added Efuse::read_bit (#2259)
  • Limited SPI slave support for ESP32 (Modes 1 and 3 only) (#2278)
  • Added Rtc::disable_rom_message_printing (S3 and H2 only) (#2280)
  • Added esp_hal::time::{Duration, Instant} (#2304)

Changed

  • Bump MSRV to 1.79.0 (#1971)
  • Make saving and restoring SHA digest state an explicit operation (#2049)
  • Reordered RX-TX pairs in all APIs to be consistent (#2074)
  • Make saving and restoring SHA digest state an explicit operation (#2049)
  • Delay::new() is now a const function (#1999)
  • Input, Output, OutputOpenDrain and Flex are now type-erased by default. Use the new new_typed constructor to keep using the ZST pin types. (#2075)
  • To avoid confusion with the Rtc::current_time wall clock time APIs, we've renamed esp_hal::time::current_time to esp_hal::time::now. (#2091)
  • Renamed touch::Continous to touch::Continuous. (#2094)
  • Faster SHA (#2112)
  • The (previously undocumented) ErasedPin enum has been replaced with the ErasedPin struct. (#2094)
  • Renamed and merged Rtc::get_time_us and Rtc::get_time_ms into Rtc::time_since_boot (#1883)
  • ESP32: Added support for touch sensing on GPIO32 and 33 (#2109)
  • Removed gpio pin generics from I8080 driver type. (#2171)
  • I8080 driver now decides bus width at transfer time rather than construction time. (#2171)
  • Migrate the I8080 driver to a move based API (#2191)
  • Replaced AnyPin with InputSignal and OutputSignal and renamed ErasedPin to AnyPin (#2128)
  • Replaced the ErasedTimer enum with the AnyTimer struct. (#2144)
  • Camera and AesDma now support erasing the DMA channel type (#2258)
  • Changed the parameters of Spi::with_pins to no longer be optional (#2133)
  • Renamed DummyPin to NoPin and removed all internal logic from it. (#2133)
  • The NO_PIN constant has been removed. (#2133)
  • Allow handling interrupts while trying to lock critical section on multi-core chips. (#2197)
  • Migrate Camera to a move based API (#2242).
  • Removed the PS-RAM related features, replaced by quad-psram/octal-psram, init_psram takes a configuration parameter, it's now possible to auto-detect PS-RAM size (#2178)
  • EspTwaiFrame constructors now accept any type that converts into esp_hal::twai::Id (#2207)
  • Change DmaTxBuf to support PSRAM on esp32s3 (#2161)
  • I2c transaction is now also available as a inherent function, lift size limit on write,read and write_read (#2262)
  • SPI transactions are now cancelled if the transfer object (or async Future) is dropped. (#2216)
  • The DMA channel types have been removed from peripherals (#2261)
  • I2C driver renamed to I2c (#2320)

Fixed

  • SHA driver can now be safely used in multiple contexts concurrently (#2049)
  • Fixed an issue with DMA transfers potentially not waking up the correct async task (#2065)
  • Fixed an issue with LCD_CAM i8080 where it would send double the clocks in 16bit mode (#2085)
  • Fix i2c embedded-hal transaction (#2028)
  • Fix some inconsistencies in DMA interrupt bits (#2169)
  • Fix SPI DMA alternating write and read for ESP32 and ESP32-S2 (#2131)
  • Fix I2C ending up in a state when only re-creating the peripheral makes it useable again (#2141)
  • Fix SpiBus::transfer transferring data twice in some cases (#2159)
  • Fixed UART freezing when using RcFast clock source on ESP32-C2/C3 (#2170)
  • I2S: on ESP32 and ESP32-S2 data is now output to the right (WS=1) channel first. (#2194)
  • SPI: Fixed an issue where unexpected data was written outside of the read buffer (#2179)
  • SPI: Fixed an issue where wait has returned before the DMA has finished writing the memory (#2179)
  • SPI: Fixed an issue where repeated calls to dma_transfer may end up looping indefinitely (#2179)
  • SPI: Fixed an issue that prevented correctly reading the first byte in a transaction (#2179)
  • SPI: ESP32: Send address with correct data mode even when no data is sent. (#2231)
  • SPI: ESP32: Allow using QSPI mode on SPI3. (#2245)
  • PARL_IO: Fixed an issue that caused garbage to be output at the start of some requests (#2211)
  • TWAI on ESP32 (#2207)
  • TWAI should no longer panic when receiving a non-compliant frame (#2255)
  • OneShotTimer: fixed delay_nanos behaviour (#2256)
  • Fixed unsoundness around Efuse (#2259)

Removed

  • Removed digest::Digest implementation from SHA (#2049)
  • Removed NoPinType in favour of DummyPin. (#2068)
  • Removed the async, embedded-hal-02, embedded-hal, embedded-io, embedded-io-async, and ufmt features (#2070)
  • Removed the GpioN type aliasses. Use GpioPin<N> instead. (#2073)
  • Removed Peripherals::take. Use esp_hal::init to obtain Peripherals (#1999)
  • Removed AnyInputOnlyPin in favour of AnyPin. (#2071)
  • Removed the following functions from GpioPin: is_high, is_low, set_high, set_low, set_state, is_set_high, is_set_low, toggle. (#2094)
  • Removed Rtc::get_time_raw (#1883)
  • Removed _with_default_pins UART constructors (#2132)
  • Removed transfer methods send, send_dma and send_dma_async from I8080 (#2191)
  • Removed uart::{DefaultRxPin, DefaultTxPin} (#2132)
  • Removed PcntSource and PcntInputConfig. (#2134)
  • Removed the place-spi-driver-in-ram feature, this is now enabled via esp-config (#2156)
  • Removed esp_hal::spi::slave::prelude (#2260)
  • Removed esp_hal::spi::slave::WithDmaSpiN traits (#2260)
  • The WithDmaAes trait has been removed (#2261)
  • The I2s::new_i2s1 constructor has been removed (#2261)
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