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Add on-target tests
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‎.github/bors.toml‎

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"rt-ci-linux (1.42.0)",
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"rt-ci-other-os (macOS-latest)",
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"rt-ci-other-os (windows-latest)",
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"hil-qemu",
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"hil-rtt-compile",
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"rustfmt",
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"clippy",
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]

‎.github/workflows/ci.yml‎

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toolchain: ${{ matrix.rust }}
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override: true
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- name: Run tests
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run: cargo test --all --exclude cortex-m-rt
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run: cargo test --all --exclude cortex-m-rt --exclude testsuite
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# FIXME: test on macOS and Windows

‎.github/workflows/on-target.yml‎

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on:
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push:
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branches: [ staging, trying, master ]
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pull_request:
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name: cortex-m on-target tests
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jobs:
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hil-qemu:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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- uses: actions-rs/toolchain@v1
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with:
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profile: minimal
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toolchain: stable
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override: true
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target: thumbv7m-none-eabi
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- name: Build testsuite
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run: RUSTFLAGS='-C link-arg=-Tlink.x -D warnings' cargo build -p testsuite --target thumbv7m-none-eabi --features testsuite/semihosting
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- name: Install QEMU
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run: sudo apt-get update && sudo apt-get install qemu qemu-system-arm
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- name: Run testsuite
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run: |
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qemu-system-arm \
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-cpu cortex-m3 \
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-machine lm3s6965evb \
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-nographic \
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-semihosting-config enable=on,target=native \
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-kernel target/thumbv7m-none-eabi/debug/testsuite
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hil-compile-rtt:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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- uses: actions-rs/toolchain@v1
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with:
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profile: minimal
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toolchain: stable
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override: true
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target: thumbv7em-none-eabi
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- name: Build testsuite
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run: RUSTFLAGS='-C link-arg=-Tlink.x -D warnings' cargo build -p testsuite --target thumbv7em-none-eabi --features testsuite/rtt
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- name: Upload testsuite binaries
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uses: actions/upload-artifact@v2
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with:
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name: testsuite-bin
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if-no-files-found: error
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retention-days: 1
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path: target/thumbv7em-none-eabi/debug/testsuite

‎Cargo.toml‎

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[workspace]
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members = [
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"xtask",
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"cortex-m-rt",
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"cortex-m-semihosting",
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"panic-itm",
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"panic-semihosting",
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"panic-itm"
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"testsuite",
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"testsuite/minitest",
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"testsuite/minitest/macros",
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"xtask",
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]
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[package.metadata.docs.rs]

‎src/peripheral/dwt.rs‎

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}
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}
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/// Disables the cycle counter
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#[cfg(not(armv6m))]
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#[inline]
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pub fn disable_cycle_counter(&mut self) {
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unsafe {
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self.ctrl.modify(|mut r| {
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r.set_cyccntena(false);
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r
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});
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}
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}
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/// Returns `true` if the cycle counter is enabled
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#[cfg(not(armv6m))]
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#[inline]

‎testsuite/.cargo/config.toml‎

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[target.'cfg(all(target_arch = "arm", target_os = "none"))']
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rustflags = ["-C", "link-arg=-Tlink.x"]
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runner = "qemu-system-arm -cpu cortex-m3 -machine lm3s6965evb -nographic -semihosting-config enable=on,target=native -kernel"
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[build]
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target = "thumbv7m-none-eabi"

‎testsuite/Cargo.toml‎

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[package]
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authors = ["The Cortex-M Team <[email protected]>"]
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name = "testsuite"
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publish = false
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edition = "2018"
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version = "0.1.0"
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[features]
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rtt = ["rtt-target", "minitest/rtt"]
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semihosting = ["cortex-m-semihosting", "minitest/semihosting"]
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[dependencies]
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cortex-m-rt.path = "../cortex-m-rt"
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cortex-m.path = ".."
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minitest.path = "minitest"
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[dependencies.rtt-target]
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version = "0.3.1"
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optional = true
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[dependencies.cortex-m-semihosting]
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path = "../cortex-m-semihosting"
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optional = true

‎testsuite/README.md‎

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# Testsuite
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This workspace contains tests that run on physical and simulated Cortex-M CPUs.
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## Building
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Exactly one of these features are required:
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* `semihosting` Use semihosting for logging, this is used for QEMU.
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* `rtt` Use RTT for logging, this is used with physical cortex-m CPUs.
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Assuming you are at the root of the repository you can build like this:
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```console
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$ cd testsuite
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$ cargo build --features semihosting
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Compiling testsuite v0.1.0 (cortex-m/testsuite)
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Finished dev [unoptimized + debuginfo] target(s) in 0.08
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```
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## Running with QEMU
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The runner is already configured for QEMU in `testsuite/.cargo/config.toml`.
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Use the `semihosting` feature for logging, QEMU does not have native support for RTT.
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For more information on QEMU reference the QEMU section in [The Embedded Rust Book].
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```console
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$ cd testsuite
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$ cargo run --features semihosting
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Finished dev [unoptimized + debuginfo] target(s) in 0.01s
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Running `qemu-system-arm -cpu cortex-m3 -machine lm3s6965evb -nographic -semihosting-config enable=on,target=native -kernel /cortex-m/target/thumbv7m-none-eabi/debug/testsuite`
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Timer with period zero, disabling
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Hello world!
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(1/1) running `double_take`...
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all tests passed!
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```
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## Running with Physical Hardware
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No implementation-specific features are tested right now; any physical `thumbv7m` target should work.
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Tests are executed with [probe-run](https://github.com/knurling-rs/probe-run).
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* Update `memory.x` in the root of the repository to match your target memory layout.
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* Change the `probe-run` chip argument to match your chip, supported chips can be found with `probe-run --list-chips`
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* Change the target to match your CPU
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```console
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$ sed -i 's/FLASH : ORIGIN = 0x00000000, LENGTH = 256K/FLASH : ORIGIN = 0x8000000, LENGTH = 256K/g' memory.x
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$ cd testsuite
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$ cargo build --target thumbv7em-none-eabi --features rtt
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Compiling minitest v0.1.0 (/cortex-m/testsuite/minitest)
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Compiling testsuite v0.1.0 (/cortex-m/testsuite)
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Finished dev [unoptimized + debuginfo] target(s) in 0.16s
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$ probe-run --chip STM32WLE5JCIx --connect-under-reset ../target/thumbv7em-none-eabi/debug/testsuite
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(HOST) INFO flashing program (19 pages / 19.00 KiB)
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(HOST) INFO success!
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────────────────────────────────────────────────────────────────────────────────
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Hello world!
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(1/2) running `double_take`...
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(2/2) running `cycle_count`...
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all tests passed!
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────────────────────────────────────────────────────────────────────────────────
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(HOST) INFO device halted without error
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```
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[The Embedded Rust Book]: https://docs.rust-embedded.org/book/start/qemu.html
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[probe-run]: https://github.com/knurling-rs/probe-run

‎testsuite/minitest/Cargo.toml‎

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[package]
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authors = ["The Cortex-M Team <[email protected]>"]
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name = "minitest"
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publish = false
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edition = "2018"
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version = "0.1.0"
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[features]
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semihosting = ["cortex-m-semihosting", "minitest-macros/semihosting"]
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rtt = ["rtt-target", "minitest-macros/rtt"]
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[dependencies]
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cortex-m.path = "../.."
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cortex-m-rt.path = "../../cortex-m-rt"
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minitest-macros.path = "macros"
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[dependencies.rtt-target]
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version = "0.3.1"
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optional = true
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[dependencies.cortex-m-semihosting]
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path = "../../cortex-m-semihosting"
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optional = true

‎testsuite/minitest/README.md‎

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# mini-test
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This is an embedded test framework forked from knurling's excellent [`defmt-test`] crate.
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This even more minimal than [`defmt-test`] to allow for for testing of this crate without dependency cycles.
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[`defmt-test`]: https://crates.io/crates/defmt-test/

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