From 1ad5d5a771d5109a763361454fb724b85ae25fdd Mon Sep 17 00:00:00 2001 From: i509VCB Date: Wed, 9 Jul 2025 23:08:59 -0500 Subject: nxp: Add MIMXRT1011 GPIO and time driver PIT is used for the time driver --- examples/mimxrt1011/.cargo/config.toml | 8 ++++ examples/mimxrt1011/Cargo.toml | 29 +++++++++++++ examples/mimxrt1011/build.rs | 14 +++++++ examples/mimxrt1011/src/bin/blinky.rs | 48 ++++++++++++++++++++++ examples/mimxrt1011/src/bin/button.rs | 62 ++++++++++++++++++++++++++++ examples/mimxrt1011/src/lib.rs | 75 ++++++++++++++++++++++++++++++++++ 6 files changed, 236 insertions(+) create mode 100644 examples/mimxrt1011/.cargo/config.toml create mode 100644 examples/mimxrt1011/Cargo.toml create mode 100644 examples/mimxrt1011/build.rs create mode 100644 examples/mimxrt1011/src/bin/blinky.rs create mode 100644 examples/mimxrt1011/src/bin/button.rs create mode 100644 examples/mimxrt1011/src/lib.rs (limited to 'examples') diff --git a/examples/mimxrt1011/.cargo/config.toml b/examples/mimxrt1011/.cargo/config.toml new file mode 100644 index 000000000..12f4b27b2 --- /dev/null +++ b/examples/mimxrt1011/.cargo/config.toml @@ -0,0 +1,8 @@ +[target.thumbv7em-none-eabihf] +runner = 'probe-rs run --chip MIMXRT1010' + +[build] +target = "thumbv7em-none-eabihf" # Cortex-M7 + +[env] +DEFMT_LOG = "trace" diff --git a/examples/mimxrt1011/Cargo.toml b/examples/mimxrt1011/Cargo.toml new file mode 100644 index 000000000..cf4e4c163 --- /dev/null +++ b/examples/mimxrt1011/Cargo.toml @@ -0,0 +1,29 @@ +[package] +name = "embassy-imxrt1011-examples" +version = "0.1.0" +edition = "2021" +license = "MIT or Apache-2.0" + +[dependencies] +cortex-m = { version = "0.7.7", features = ["inline-asm", "critical-section-single-core"] } +cortex-m-rt = "0.7.3" +defmt = "1.0.1" +defmt-rtt = "1.0.0" + +embassy-executor = { version = "0.7.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt"] } +embassy-futures = { version = "0.1.1", path = "../../embassy-futures" } +embassy-nxp = { version = "0.1.0", path = "../../embassy-nxp", features = ["defmt", "mimxrt1011", "unstable-pac", "time-driver-pit"] } +embassy-time = { version = "0.4", path = "../../embassy-time", features = ["defmt", ] } # "defmt-timestamp-uptime" # RT1011 hard faults currently with this enabled. +embassy-sync = { version = "0.7.0", path = "../../embassy-sync", features = ["defmt"] } +embedded-hal-1 = { package = "embedded-hal", version = "1.0" } +embedded-hal-async = "1.0.0" + +imxrt-boot-gen = { version = "0.3.4", features = ["imxrt1010"] } +panic-probe = { version = "1.0.0", features = ["print-defmt"] } +panic-semihosting = "0.6.0" + +[build-dependencies] +imxrt-rt = { version = "0.1.7", features = ["device"] } + +[profile.release] +debug = 2 diff --git a/examples/mimxrt1011/build.rs b/examples/mimxrt1011/build.rs new file mode 100644 index 000000000..99e172aba --- /dev/null +++ b/examples/mimxrt1011/build.rs @@ -0,0 +1,14 @@ +use imxrt_rt::{Family, RuntimeBuilder}; + +fn main() { + // The IMXRT1010-EVK technically has 128M of flash, but we only ever use 8MB so that the examples + // will build fine on the Adafruit Metro M7 boards. + RuntimeBuilder::from_flexspi(Family::Imxrt1010, 8 * 1024 * 1024) + .build() + .unwrap(); + + println!("cargo:rustc-link-arg-bins=--nmagic"); + println!("cargo:rustc-link-arg-bins=-Tdefmt.x"); + // Not link.x, as imxrt-rt needs to do some special things + println!("cargo:rustc-link-arg-bins=-Timxrt-link.x"); +} diff --git a/examples/mimxrt1011/src/bin/blinky.rs b/examples/mimxrt1011/src/bin/blinky.rs new file mode 100644 index 000000000..a5d5de6b3 --- /dev/null +++ b/examples/mimxrt1011/src/bin/blinky.rs @@ -0,0 +1,48 @@ +//! This example works on the following boards: +//! - IMXRT1010-EVK +//! - Adafruit Metro M7 (with microSD or with AirLift), requires an external button +//! - Makerdiary iMX RT1011 Nano Kit (TODO: currently untested, please change this) +//! +//! Although beware you will need to change the GPIO pins being used (scroll down). + +#![no_std] +#![no_main] + +use defmt::info; +use embassy_executor::Spawner; +use embassy_nxp::gpio::{Level, Output}; +use embassy_time::Timer; +// Must include `embassy_imxrt1011_examples` to ensure the FCB gets linked. +use {defmt_rtt as _, embassy_imxrt1011_examples as _, panic_probe as _}; + +#[embassy_executor::main] +async fn main(_spawner: Spawner) -> ! { + let p = embassy_nxp::init(Default::default()); + info!("Hello world!"); + + /* Pick the pins to use depending on your board. */ + + // IMXRT1010-EVK + // + // LED (D25) + let led = p.GPIO_11; + + // Adafruit Metro M7 (both microSD and AirLift variants) + // + // The LED is connected to D13 on the board. + // let led = p.GPIO_03; + + // Makerdiary iMX RT1011 Nano Kit + // + // LED0 + // let led = p.GPIO_SD_04; + + let mut led = Output::new(led, Level::Low); + + loop { + Timer::after_millis(500).await; + + info!("Toggle"); + led.toggle(); + } +} diff --git a/examples/mimxrt1011/src/bin/button.rs b/examples/mimxrt1011/src/bin/button.rs new file mode 100644 index 000000000..e63d7171d --- /dev/null +++ b/examples/mimxrt1011/src/bin/button.rs @@ -0,0 +1,62 @@ +//! This example works on the following boards: +//! - IMXRT1010-EVK +//! - Adafruit Metro M7 (with microSD or with AirLift), requires an external button +//! - Makerdiary iMX RT1011 Nano Kit (TODO: currently untested, please change this) +//! +//! Although beware you will need to change the GPIO pins being used (scroll down). + +#![no_std] +#![no_main] + +use defmt::info; +use embassy_executor::Spawner; +use embassy_nxp::gpio::{Input, Level, Output, Pull}; +// Must include `embassy_imxrt1011_examples` to ensure the FCB gets linked. +use {defmt_rtt as _, embassy_imxrt1011_examples as _, panic_probe as _}; + +#[embassy_executor::main] +async fn main(_spawner: Spawner) -> ! { + let p = embassy_nxp::init(Default::default()); + info!("Hello world!"); + + /* Pick the pins to use depending on your board. */ + + // IMXRT1010-EVK + // + // LED (D25) and user button (SW4) + let (led, button) = (p.GPIO_11, p.GPIO_SD_05); + + // Adafruit Metro M7 (both microSD and AirLift variants) + // + // The LED is connected to D13 on the board. + // + // In particular the Metro M7 has no board user buttons, so you will need to connect a button. + // Any other GPIO pin can be used. GPIO_04 is used for example since it is on pin D12. + // let (led, button) = (p.GPIO_03, p.GPIO_04); + + // Makerdiary iMX RT1011 Nano Kit + // + // LED0 and user button. + // let (led, button) = (p.GPIO_SD_04, p.GPIO_SD_03); + + let mut button = Input::new(button, Pull::Up100K); + let mut led = Output::new(led, Level::Low); + led.set_high(); + + loop { + button.wait_for_falling_edge().await; + + info!("Toggled"); + led.toggle(); + + // The RT1010EVK has a 100 nF debouncing capacitor which results in false positive events + // when listening for a falling edge in a loop, wait for the rising edge and then wait for + // stabilization. + button.wait_for_rising_edge().await; + + // Stabilization. + for _ in 0..100_000 { + cortex_m::asm::nop(); + } + } +} diff --git a/examples/mimxrt1011/src/lib.rs b/examples/mimxrt1011/src/lib.rs new file mode 100644 index 000000000..f0391ef57 --- /dev/null +++ b/examples/mimxrt1011/src/lib.rs @@ -0,0 +1,75 @@ +//! FlexSPI configuration block (FCB) for iMXRT1011 boards. +//! +//! This is a generic FCB that should work with most QSPI flash. + +#![no_std] + +use imxrt_boot_gen::flexspi; +use imxrt_boot_gen::flexspi::opcodes::sdr::*; +use imxrt_boot_gen::flexspi::{ + ColumnAddressWidth, Command, DeviceModeConfiguration, FlashPadType, Instr, LookupTable, Pads, + ReadSampleClockSource, Sequence, SequenceBuilder, SerialClockFrequency, SerialFlashRegion, + WaitTimeConfigurationCommands, +}; +use imxrt_boot_gen::serial_flash::nor; + +/// While the IMXRT1010-EVK and Makerdiary iMX RT1011 Nano Kit have 128MBit of flash we limit to 64Mbit +/// to allow the Metro M7 boards to use the same FCB configuration. +const DENSITY_BITS: u32 = 64 * 1024 * 1024; +const DENSITY_BYTES: u32 = DENSITY_BITS / 8; + +const SEQ_READ: Sequence = SequenceBuilder::new() + .instr(Instr::new(CMD, Pads::One, 0xEB)) + .instr(Instr::new(RADDR, Pads::Four, 0x18)) + .instr(Instr::new(DUMMY, Pads::Four, 0x06)) + .instr(Instr::new(READ, Pads::Four, 0x04)) + .build(); + +const SEQ_READ_STATUS: Sequence = SequenceBuilder::new() + .instr(Instr::new(CMD, Pads::One, 0x05)) + .instr(Instr::new(READ, Pads::One, 0x01)) + .build(); + +const SEQ_WRITE_ENABLE: Sequence = SequenceBuilder::new().instr(Instr::new(CMD, Pads::One, 0x06)).build(); + +const SEQ_ERASE_SECTOR: Sequence = SequenceBuilder::new() + .instr(Instr::new(CMD, Pads::One, 0x20)) + .instr(Instr::new(RADDR, Pads::One, 0x18)) + .build(); + +const SEQ_PAGE_PROGRAM: Sequence = SequenceBuilder::new() + .instr(Instr::new(CMD, Pads::One, 0x02)) + .instr(Instr::new(RADDR, Pads::One, 0x18)) + .instr(Instr::new(WRITE, Pads::One, 0x04)) + .build(); + +const SEQ_CHIP_ERASE: Sequence = SequenceBuilder::new().instr(Instr::new(CMD, Pads::One, 0x60)).build(); + +const LUT: LookupTable = LookupTable::new() + .command(Command::Read, SEQ_READ) + .command(Command::ReadStatus, SEQ_READ_STATUS) + .command(Command::WriteEnable, SEQ_WRITE_ENABLE) + .command(Command::EraseSector, SEQ_ERASE_SECTOR) + .command(Command::PageProgram, SEQ_PAGE_PROGRAM) + .command(Command::ChipErase, SEQ_CHIP_ERASE); + +const COMMON_CONFIGURATION_BLOCK: flexspi::ConfigurationBlock = flexspi::ConfigurationBlock::new(LUT) + .read_sample_clk_src(ReadSampleClockSource::LoopbackFromDQSPad) + .cs_hold_time(0x03) + .cs_setup_time(0x03) + .column_address_width(ColumnAddressWidth::OtherDevices) + .device_mode_configuration(DeviceModeConfiguration::Disabled) + .wait_time_cfg_commands(WaitTimeConfigurationCommands::disable()) + .flash_size(SerialFlashRegion::A1, DENSITY_BYTES) + .serial_clk_freq(SerialClockFrequency::MHz120) + .serial_flash_pad_type(FlashPadType::Quad); + +pub const SERIAL_NOR_CONFIGURATION_BLOCK: nor::ConfigurationBlock = + nor::ConfigurationBlock::new(COMMON_CONFIGURATION_BLOCK) + .page_size(256) + .sector_size(4096) + .ip_cmd_serial_clk_freq(nor::SerialClockFrequency::MHz30); + +#[unsafe(no_mangle)] +#[cfg_attr(all(target_arch = "arm", target_os = "none"), link_section = ".fcb")] +pub static FLEXSPI_CONFIGURATION_BLOCK: nor::ConfigurationBlock = SERIAL_NOR_CONFIGURATION_BLOCK; -- cgit