prepared for design of embedded systems 2019, first commit

.cargo/config

.gitignore

.vscode/.cortex-debug.peripherals.state.json

.vscode/.cortex-debug.registers.state.json

.vscode/launch.json

.vscode/tasks.json

Cargo.toml

README.md

build.rs

examples/hello.rs

examples/itm.rs

memory.x

openocd.cfg

openocd.gdb

stlink.cfg

stm32f4x.cfg