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//! An example of how to use light-cli on an STM32F103 chip.
//! 
//! To run call `cargo run --example stm32 --target thumbv7m-none-eabi --release`.
//! 
//! A typical command line communication for the example could look like:
//! ```
//! >> EHLO
//! << EHLO Name=
//! >> HELLO Name=Johnson
//! << Name set
//! >> EHLO
//! << EHLO Name=Johnson
//! ```
//! 
//!
//! ```
//! 
//! #![no_std]
//! 
//! extern crate cortex_m;
//! extern crate panic_abort;
//! extern crate embedded_hal as hal;
//! extern crate stm32f103xx_hal as dev_hal;
//! extern crate heapless;
//! 
//! #[macro_use]
//! extern crate light_cli;
//! 
//! use core::fmt::Write;   
//! use dev_hal::serial::Serial;
//! use dev_hal::prelude::*;
//! use light_cli::{LightCliInput, LightCliOutput};
//! use heapless::consts::*;
//! use heapless::String;
//! 
//! fn main() {
//!     let dp = dev_hal::stm32f103xx::Peripherals::take().unwrap();
//! 
//!     let mut flash = dp.FLASH.constrain();
//!     let mut rcc = dp.RCC.constrain();
//! 
//!     let clocks = rcc.cfgr.freeze(&mut flash.acr);
//! 
//!     let mut afio = dp.AFIO.constrain(&mut rcc.apb2);
//! 
//!     let mut gpiob = dp.GPIOB.split(&mut rcc.apb2);
//! 
//!     // USART1
//!     let tx = gpiob.pb6.into_alternate_push_pull(&mut gpiob.crl);
//!     let rx = gpiob.pb7;
//! 
//!     let serial = Serial::usart1(
//!         dp.USART1,
//!         (tx, rx),
//!         &mut afio.mapr,
//!         9_600.bps(),
//!         clocks,
//!         &mut rcc.apb2,
//!     );
//! 
//!     let (mut tx, mut rx) = serial.split();
//! 
//!     let mut name : String<U32> = String::new();
//! 
//!     let mut cl_in : LightCliInput<U32> = LightCliInput::new();
//!     let mut cl_out = LightCliOutput::new(&mut tx);
//! 
//!     writeln!(cl_out, "Commands:").unwrap();
//!     writeln!(cl_out, "   - HELLO Name=<Name>: Set the name").unwrap();
//!     writeln!(cl_out, "   - EHLO: Print the name").unwrap();
//! 
//!     loop {
//!         let _ = cl_out.flush();
//!         let _ = cl_in.fill(&mut rx);
//! 
//!         lightcli!(cl_in, cl_out, cmd, key, val, [
//!                 "HELLO" => [
//!                     "Name" => name = String::from(val)
//!                 ] => { writeln!(cl_out, "Name set").unwrap(); };
//!                 "EHLO" => [
//!                 ] => { writeln!(cl_out, "EHLO Name={}", name.as_str()).unwrap(); }
//!             ]
//!         );
//!     }
//! }
//! ```
// Auto-generated. Do not modify.