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Changelog

All notable changes to this project will be documented in this file.

Unreleased

0.3.1 2025-11-07

  • Add all LPUART pads for RT1180.
  • Add select LPUART5 pins for the 1060 MCUs.
  • Add select LPUART1 pins for the 1170 MCUs.
  • Finish LPI2C implementations on 1060 MCUs.

0.3.0 2024-12-02

  • BREAKING Add support for additional chip select pins for lpspi4.

  • BREAKING Remove the deprecated pull / keeper configuration API.

  • BREAKING Change the type of the lpspi::Pin::DAISY and lpi2c::Pin::DAISY associated constant to an Option<Daisy>.

  • Add i.MX RT 1180 support with the "imxrt1180" feature.

0.2.11 2025-11-07

  • Finish LPI2C implementations on 1060 MCUs.

0.2.10 2025-07-19

  • Add some LPUART1 pins for the 1170 MCUs.

0.2.9 2025-02-16

  • Add select LPUART5 pins for the 1060 MCUs.

0.2.8 2024-07-18

  • Add remaining FlexPWM pins for the 1060 MCUs.

0.2.7 2024-06-10

  • Fix many 1170 GPIO implementations, most which incorrectly specified their offset. Introduce a few missing GPIO implementations.

0.2.6 2024-01-27

  • Enable an open drain when preparing I2C pins on 10xx MCUs.

0.2.5 2023-12-23

  • Add SAI pin implementations for the 1020.

0.2.4 2023-11-17

  • Add SAI pin implementations for the 1010.

0.2.3 2023-09-09

  • Add FlexIO pin implementations for 1010 and 1020 pads.

0.2.2 2023-07-03

  • Add optional DAISY associated constant to flexpwm::Pin.

  • Add FlexIO pin definitions and implementations for 1060 pads.

  • Ensure that adc::prepare() configures an alternate value for ADC inputs.

0.2.1 2023-02-23

  • Add FlexCAN pin trait with implementations for select 1060 pads.

  • Add i.MX RT 1020 support with the "imxrt1020" feature. Includes select pad implementations for

    • LPI2C
    • LPSPI
    • LPUART
    • CCM

0.2.0 2022-11-30

Changed

  • BREAKING Update to Rust 2021 edition.

  • BREAKING Remove typenum dependency, and use const generics. Requires at least Rust 1.51.

  • BREAKING the GPIO Pin trait is now generic over the GPIO module. A const generic replaces the associated type Module.

  • BREAKING rename feature flags and module: "imxrt106x" => "imxrt1060"

    For rational on this change, see here.

  • BREAKING add the prefix 'GPIO_' to nearly all pad types and pad modules.

    • AD_B1_23 => GPIO_AD_B1_23
    • ad_b1 => gpio_ad_b1

  • BREAKING favor Rust's API naming guidelines for select traits, marker types:

    • ADC => Adc
    • SCL => Scl
    • etc.

  • BREAKING in the ADC module, we remove the ADC trait. Users should replace usages of adc::ADC with constants that indicate ADC1, ADC2, etc.

    gpio::Pin is no longer a trait bound for the adc::Pin trait. Users who relied on this guarantee should explicitly require the bound.

    adc::Pin::INPUT is now an associated u32 constant, not a type. Cast the u32 as needed for your implementation. See the before and after below for migration tips.

    // Before
let channel: u16 = <P as Pin<ADC1>>::Input::U16;

// After
let channel: u16 = <P as Pin<ADC1>>::INPUT as u16;

  • BREAKING rename modules to match i.MX RT peripherals. Specific renames include

    • i2c => lpi2c
    • pwm => flexpwm
    • spi => lpspi
    • uart => lpuart

  • Deprecated the old pull / keeper configuration API. See the 0.1.4 release for the new API.

Added

  • i.MX RT 1010 support with the "imxrt1010" feature:

    • LPI2C
    • LPSPI
    • LPUART
    • FlexPWM

  • Add uSDHC pin traits.

  • Add select uSDHC pins for the i.MX RT 1060.

  • Basic i.MX RT 1170 support with the "imxrt1170" feature. Includes minimal pad implementations for

    • LPI2C
    • LPSPI
    • LPUART
    • FlexPWM

    that are sufficient for evaluating the 1170EVK.

  • Add CCM clock output pin trait with 1010, 1170 implementations.

0.1.5 - 2022-01-01

Added

  • Include additional SPI pins for the i.MX RT 1060.

0.1.4 - 2021-11-14

  • Add unsafe static functions on every pad to set alternate, change SION, and set configurations. These functions do not require ownership of the pad object.

  • Unify the pullup, pulldown, and keeper configurations into one enum, PullKeeper. This lets you more simply express pin configurations:

    // Before
configure(
    &mut pad,
    Config::zero()
        .set_pull_keep(PullKeep::Enabled)
        .set_pull_keep_select(PullKeepSelect::Pull)
        .set_pullupdown(PullUpDown::Pullup100k),
);

// After
configure(
    &mut pad,
    Config::zero().set_pull_keeper(Some(PullKeeper::Pullup100k))
);

    This approach will replace the existing API that uses separate methods and enums.

0.1.3 - 2021-04-24

Added

  • Support for SAI pins

0.1.2 - 2020-11-23

Added

  • Support for ADC pins

0.1.1 - 2020-09-10

Added

  • Export a prelude module to help others re-export APIs that are not specific to a crate.

0.1.0 - 2020-08-28

First release

  • Configuration API
  • Preliminary support for i.MX RT 1060 chips:
    • I2C
    • GPIO
    • PWM
    • SPI
    • UART