0.14.1

Please note that only changes to the esp-hal-common package are tracked in these release notes.

Fixed

• Fix SHA for all targets (#1021)

0.14.0

Please note that only changes to the esp-hal-common package are tracked in these release notes.

Added

• ESP32-C6: LP core clock is configurable (#907)
• Derive Clone and Copy for EspTwaiFrame (#914)
• A way to configure inverted pins (#912)
• Added API to check a GPIO-pin's interrupt status bit (#929)
• A embedded_io_async::Read implementation for UsbSerialJtag (#889)
• RtcClock::get_xtal_freq, RtcClock::get_slow_freq (#957)
• Added Rx Timeout functionality to async Uart (#911)
• RISC-V: Thread-mode and interrupt-mode executors, #[main] macro (#947)
• A macro to make it easier to create DMA buffers and descriptors (#935)
• I2C timeout is configurable (#1011)
• ESP32-C6/ESP32-H2: flip-link feature gives zero-cost stack overflow protection (#1008)

Changed

• Improve DMA documentation & clean up module (#915)
• Only allow a single version of esp-hal-common to be present in an application (#934)
• ESP32-C3/C6 and ESP32-H2 can now use the zero-rtc-bss feature to enable esp-hal-common/rv-zero-rtc-bss (#867)
• Reuse ieee802154_clock_enable/disable() functions for BLE and rename ble_ieee802154_clock_enable() (#953)
• The embedded-io trait implementations are now gated behind the embedded-io feature (#964)
• Simplifed RMT channels and channel creators (#958)
• Reworked construction of I2S driver instances (#983)
• ESP32-S2/S3: Don't require GPIO 18 to create a USB peripheral driver instance (#990)
• Updated to latest release candidate (1.0.0-rc.2) for embedded-hal{-async,-nb} (#994)
• Explicit panic when hitting the DefaultHandler (#1005)
• Relevant interrupts are now auto enabled in embassy::init (#1014).

Fixed

• ESP32-C2/C3 examples: fix build error (#899)
• ESP32-S3: Fix GPIO interrupt handler crashing when using GPIO48. (#898)
• Fixed short wait times in embassy causing hangs (#906)
• Make sure to clear LP/RTC RAM before loading code (#916)
• Async RMT channels can be used concurrently (#925)
• Xtensa: Allow using embassy-executor's thread-mode executor if neither embassy-executor-thread, nor embassy-executor-interrupt is enabled. (#937)
• Uart Async: Improve interrupt handling and irq <--> future communication (#977)
• RISC-V: Fix stack allocation (#988)
• ESP32-C6: Fix used RAM (#997)
• ESP32-H2: Fix used RAM (#1003)
• Fix SPI slave DMA dma_read and dma_write (#1013)

Removed

• Direct boot support has been removed (#903).
• Removed the mcu-boot feature from esp32c3-hal (#938)
• Removed SpiBusController and SpiBusDevice in favour of embedded-hal-bus and embassy-embedded-hal implementataions. (#978)

Breaking

• Spi::new/Spi::new_half_duplex takes no gpio pin now, instead you need to call with_pins to setup those (#901).
• ESP32-C2, ESP32-C3, ESP32-S2: atomic emulation trap has been removed. (#904) (#985)
  • When upgrading you must either remove these lines from your .cargo/config.toml.
  • Usage of core::sync::atomic::* in dependent crates should be replaced with portable-atomic.
• RSA driver now takes u32 words instead of u8 bytes. The expected slice length is now 4 times shorter. (#981)

0.13.1

Please note that only changes to the esp-hal-common package are tracked in these release notes.

Fixed

• ESP32-C3: Make sure BLE and WiFi are not powered down when esp-wifi needs them (#891)
• ESP32-C6/H2: Fix setting UART baud rate (#893)

0.13.0

Please note that only changes to the esp-hal-common package are tracked in these release notes.

Added

• Added embassy-time-systick to ESP32-S2 (#827)
• Implement enabling/disabling BLE clock on ESP32-C6 (#784)
• Async support for RMT (#787)
• Implement defmt::Format for more types (#786)
• Add new_no_miso to Spi FullDuplexMode (#794)
• Add UART support for splitting into TX and RX (#754)
• Async support for I2S (#801)
• Async support for PARL_IO (#807)
• ETM driver, GPIO ETM (#819)
• (G)DMA AES support (#821)
• SYSTIMER ETM functionality (#828)
• Adding async support for RSA peripheral(doesn't work properly for esp32 chip - issue will be created)(#790)
• Added sleep support for ESP32-C3 with timer and GPIO wakeups (#795)
• Support for ULP-RISCV including Delay and GPIO (#840, #845)
• Add bare-bones SPI slave support, DMA only (#580, #843)
• Embassy #[main] convenience macro (#841)
• Add a defmt feature to the esp-hal-smartled package (#846)
• Support 16MB octal PS-RAM for ESP32-S3 (#858)
• RISCV TRACE Encoder driver for ESP32-C6 / ESP32-H2 (#864)

Changed

• Bumped MSRV to 1.67 (#798)
• Optimised multi-core critical section implementation (#797)
• Changed linear- and curve-calibrated ADC to provide readings in mV (#836)

Fixed

• S3: Allow powering down RC_FAST_CLK (#796)
• UART/ESP32: fix calculating FIFO counter with get_rx_fifo_count() (#804)
• Xtensa targets: Use ESP32Reset - not Reset (#823)
• Examples should now work with the defmt feature (#810)
• Fixed a race condition causing SpiDma to stop working unexpectedly (#869)
• Fixed async uart serial, and updated the embassy_serial examples (#871).
• Fix ESP32-S3 direct-boot (#873)
• Fix ESP32-C6 ADC (#876)

Removed

• Pin::is_pcore_interrupt_set (#793)
• Pin::is_pcore_non_maskable_interrupt_set (#793)
• Pin::is_acore_interrupt_set (#793)
• Pin::is_acore_non_maskable_interrupt_set (#793)
• Pin::enable_hold (#793)
• Removed the generic return type for ADC reads (#792)

Breaking

• Uart::new now takes the &Clocks struct to ensure baudrate is correct for CPU/APB speed. (#808)
• Uart::new_with_config takes an Config instead of Option<Config>. (#808)
• Alarm::set_period takes a period (duration) instead of a frequency (#812)
• Alarm::interrupt_clear is now Alarm::clear_interrupt to be consistent (#812)
• The PeripheralClockControl struct is no longer public, drivers no longer take this as a parameter (#817)
• Unify the system peripheral, SYSTEM, DPORT and PCR are now all exposed as SYSTEM (#832).
• Unified the ESP32's and ESP32-C2's xtal frequency features (#831)
• Replace any underscores in feature names with dashes (#833)
• The spi and spi_slave modules have been refactored into the spi, spi::master, and spi::slave modules (#843)
• The WithDmaSpi2/WithDmaSpi3 structs are no longer generic around the inner peripheral type (#853)
• The SarAdcExt/SensExt traits are now collectively named AnalogExt instead (#857)
• Replace the radio module with peripheral singleton structs (#852)
• The SPI traits are no longer re-exported in the main prelude, but from preludes in spi::master/spi::slave instead (#860)
• The embedded-hal-1 and embedded-hal-async traits are no longer re-exported in the prelude (#860)

0.12.0

Please note that only changes to the esp-hal-common package are tracked in these release notes.

Added

• Implement RTCIO pullup, pulldown and hold control for Xtensa MCUs (#684)
• S3: Implement RTCIO wakeup source (#690)
• Add PARL_IO driver for ESP32-C6 / ESP32-H2 (#733, #760)
• Implement ufmt_write::uWrite trait for USB Serial JTAG (#751)
• Add HMAC peripheral support (#755)
• Add multicore-aware embassy executor for Xtensa MCUs (#723, #756).
• Add interrupt-executor for Xtensa MCUs (#723, #756).
• Add missing Into<Gpio<Analog, GPIONUN>> conversion (#764)
• Updated clock module documentation (#774)
• Add log feature to enable log output (#773)
• Add defmt feature to enable log output (#773)

Changed

• Update the embedded-hal-* packages to 1.0.0-rc.1 and implement traits from embedded-io and embedded-io-async (#747)
• Moved AlignmentHelper to its own module (#753)
• Disable all watchdog timers by default at startup (#763)
• log crate is now opt-in (#773)

Fixed

• Fix psram availability lookup in esp-hal-common build script (#718)
• Fix wrong dram_seg length in esp32s2-hal linker script (#732)
• Fix setting alarm when a timer group is used as the alarm source. (#730)
• Fix Instant::now() not counting in some cases when using TIMG0 as the timebase (#737)
• Fix number of ADC attenuations for ESP32-C6 (#771)

Breaking

• CpuControl::start_app_core() now takes an FnOnce closure (#739)

0.11.0

Please note that only changes to the esp-hal-common package are tracked in these release notes.

Added

• Add initial LP-IO support for ESP32-C6 (#639)
• Implement sleep with some wakeup methods for esp32 (#574)
• Add a new RMT driver (#653, #667, #695)
• Implemented calibrated ADC API for ESP32-S3 (#641)
• Add MCPWM DeadTime configuration (#406)
• Implement sleep with some wakeup methods for esp32-s3 (#660, #689, #696)
• Add feature enabling directly hooking the interrupt vector table (#621)
• Add ClockControl::max helper for all chips (#701)
• Added module-level documentation for all peripherals (#680)
• Implement sleep with some wakeup methods for esp32-s3 (#660)
• Add FlashSafeDma wrapper for eh traits which ensure correct DMA transfer from source data in flash (ROM) (#678)

Changed

• Update embedded-hal-* alpha packages to their latest versions (#640)
• Implement the Clone and Copy traits for the Rng driver (#650)

Fixed

• Fixed Async Uart read when set_at_cmd is not used (#652)
• USB device support is working again (#656)
• Add missing interrupt status read for esp32s3, which fixes USB-SERIAL-JTAG interrupts (#664)
• GPIO interrupt status bits are now properly cleared (#670)
• Increase frequency resolution in set_periodic (#686)
• Fixed ESP32-S2, ESP32-S3, ESP32-C2, ESP32-C3 radio clock gating (#679, #681)
• Partially fix ESP32 radio clocks (#709)
• Fixed "ESP32/ESP32-S2 RMT transmission with with data.len() > RMT_CHANNEL_RAM_SIZE results in TransmissionError" #707 (#710)

Removed

• Remove the allow-opt-level-z feature from esp32c3-hal (#654)
• Remove the old pulse_control driver (#694)

Breaking

• DmaTransfer::wait and I2sReadDmaTransfer::wait_receive now return Result (#665)
• gpio::Pin is now object-safe (#687)

0.10.0

Please note that only changes to the esp-hal-common package are tracked in these release notes.

Added

• Add WithDmaSpi3 to prelude for ESP32S3 (#623)
• Add bare-bones PSRAM support for ESP32 (#506)
• Add initial support for the ESP32-H2 (#513, #526, #527, #528, #530, #538, #544, #548, #551, #556, #560, #566, #549, #564, #569, #576, #577, #589, #591, #597)
• Add bare-bones PSRAM support for ESP32-S3 (#517)
• Add async support to the I2C driver (#519)
• Implement Copy and Eq for EspTwaiError (#540)
• Add LEDC hardware fade support (#475)
• Added support for multicore async GPIO (#542)
• Add a fn to poll DMA transfers (#559)
• Add unified field-based efuse access (#567)
• Move esp-riscv-rt into esp-hal (#578)
• Add CRC functions from ESP ROM (#587)
• Add a debug feature to enable the PACs' impl-register-debug feature (#596)
• Add initial support for I2S in ESP32-H2 (#597)
• Add octal PSRAM support for ESP32-S3 (#610)
• Add MD5 functions from ESP ROM (#618)
• Add embassy async read support for uart (#620)
• Add bare-bones support to run code on ULP-RISCV / LP core (#631)
• Add ADC calibration implementation for a riscv chips (#555)

Changed

• Simplify the Delay driver, derive Clone and Copy (#568)
• DMA types can no longer be constructed by the user (#625)
• Move core interrupt handling from Flash to RAM for RISC-V chips (ESP32-H2, ESP32-C2, ESP32-C3, ESP32-C6) (#541)
• Change LED pin to GPIO2 in ESP32 blinky example (#581)
• Update ESP32-H2 and ESP32-C6 clocks and remove i2c_clock for all chips but ESP32 (#592)
• Use both timers in TIMG0 for embassy time driver when able (#609)
• Re-work RadioExt implementations, add support for ESP32-H2 (#627)
• Improve examples documentation (#533)
• esp32h2-hal: added README (#585)
• Update esp-hal-procmacros package dependencies and features (#628)

Fixed

• Corrected the expected DMA descriptor counts (#622, #625)
• DMA is supported for SPI3 on ESP32-S3 (#507)
• change_bus_frequency is now available on SpiDma (#529)
• Fixed a bug where a GPIO interrupt could erroneously fire again causing the next await on that pin to instantly return Poll::Ok (#537)
• Set vecbase on core 1 (ESP32, ESP32-S3) (#536)
• ESP32-S3: Move PSRAM related function to RAM (#546)
• ADC driver will now apply attenuation values to the correct ADC's channels. (#554)
• Sometimes half-duplex non-DMA SPI reads were reading garbage in non-release mode (#552)
• ESP32-C3: Fix GPIO5 ADC channel id (#562)
• ESP32-H2: Fix direct-boot feature (#570)
• Fix Async GPIO not disabling interupts on chips with multiple banks (#572)
• ESP32-C6: Support FOSC CLK calibration for ECO1+ chip revisions (#593)
• Fixed CI by pinning the log crate to 0.4.18 (#600)
• ESP32-S3: Fix calculation of PSRAM start address (#601)
• Fixed wrong variable access (FOSC CLK calibration for ESP32-C6 #593)
• Fixed trap location in ram (#605)
• Fix rom::crc docs (#611)
• Fixed a possible overlap of .data and .rwtext (#616)
• Avoid SDA/SCL being low while configuring pins for I2C (#619)

Breaking

• Simplified user-facing SpiDma and I2s types (#626)
• Significantly simplified user-facing GPIO pin types. (#553)
• No longer re-export the soc module and the contents of the interrupt module at the package level (#607)

0.9.0

Please note that only changes to the esp-hal-common package are tracked in these release notes.

Added

• Add bare-bones PSRAM support for ESP32-S2 (#493)
• Add DEBUG_ASSIST functionality (#484)
• Add RSA peripheral support (#467)
• Add PeripheralClockControl argument to timg, wdt, sha, usb-serial-jtag and uart constructors (#463)
• Added API to raise and reset software interrupts (#426)
• Implement embedded_hal_nb::serial::* traits for UsbSerialJtag (#498)

Fixed

• Fix get_wakeup_cause comparison error (#472)
• Use 192 as mclk_multiple for 24-bit I2S (#471)
• Fix CpuControl::start_app_core signature (#466)
• Move rwtext after other RAM data sections (#464)
• ESP32-C3: Disable usb_pad_enable when setting GPIO18/19 to input/output (#461)
• Fix 802.15.4 clock enabling (ESP32-C6) (#458)

Changed

• Update embedded-hal-async and embassy-* dependencies (#488)
• Update to [email protected] and [email protected] (#487)
• Let users configure the LEDC output pin as open-drain (#474)
• Use bitflags to decode wakeup cause (#473)
• Minor linker script additions (#470)
• Minor documentation improvements (#460)

Removed

• Remove unnecessary generic from UsbSerialJtag driver (#492)
• Remove #[doc(inline)] from esp-hal-common re-exports (#490)