# Examples using bootloader Example for nRF52 demonstrating the bootloader. The example consists of application binaries, 'a' which allows you to press a button to start the DFU process, and 'b' which is the updated application. ## Prerequisites * `cargo-binutils` * `cargo-flash` * `embassy-boot-nrf` ## Usage ``` # Use bare metal linker script cp memory-bl.x ../../bootloader/nrf/memory.x # Flash bootloader cargo flash --manifest-path ../../bootloader/nrf/Cargo.toml --features embassy-nrf/nrf52840 --release --chip nRF52840_xxAA # Build 'b' cargo build --release --bin b # Generate binary for 'b' cargo objcopy --release --bin b -- -O binary b.bin ``` # Flash `a` (which includes b.bin) ``` cargo flash --release --bin a --chip nRF52840_xxAA ```