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@@ -14,6 +14,54 @@ development and supports: - `GET_STATUS` - `READ_SLOT_NAME` +## Usage Example + +To be able to compile `ntw`, you have to add the thumbv7m-none-eabi target to +your Rust installation, for example by running: + +``` +$ rustup target add thumbv7m-none-eabi +``` + +Now you can compile `ntw`: + +``` +$ cargo build --release +``` + +To communicate with an MCU connected using an ST-Link debugger, start `openocd` +using the provided configuration file: + +``` +$ openocd --file etc/openocd.cfg +``` + +Now you can use `gdb` to flash `ntw` to the MCU and to start a debugging +session. `cargo run` is configured to execute `gdb`, flash the MCU and add +breakpoints at the beginning of the program and at the panic handlers. Once +you see the `gdb` prompt, type `c` to continue the program execution. + +``` +$ cargo run --release +``` + +Depending on your operating system, you might have to change the name of the +`gdb` executable in `.cargo/config`. + +To verify that everything works as expected, you can try to access the device: + +``` +$ nitrocli status +Status: + model: Pro + serial number: 0x00000000 + firmware version: 0.1 + user retry count: 0 + admin retry count: 0 +``` + +If this does not work, check the output of `dmesg`, `lsusb` and `usbhid-dump`. + ## Resources ### Development Setup |