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//! Interfacing the MPU9250
//!
//! ```
//! 
//! #![deny(unsafe_code)]
//! #![deny(warnings)]
//! #![no_std]
//! 
//! extern crate cortex_m;
//! extern crate mpu9250;
//! extern crate panic_abort;
//! extern crate stm32f103xx_hal as hal;
//! 
//! use cortex_m::asm;
//! use hal::delay::Delay;
//! use hal::prelude::*;
//! use hal::spi::Spi;
//! use hal::stm32f103xx;
//! use mpu9250::Mpu9250;
//! 
//! fn main() {
//!     let cp = cortex_m::Peripherals::take().unwrap();
//!     let dp = 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 gpioa = dp.GPIOA.split(&mut rcc.apb2);
//!     // let mut gpiob = dp.GPIOB.split(&mut rcc.apb2);
//! 
//!     let nss = gpioa.pa4.into_push_pull_output(&mut gpioa.crl);
//! 
//!     // SPI1
//!     let sck = gpioa.pa5.into_alternate_push_pull(&mut gpioa.crl);
//!     let miso = gpioa.pa6;
//!     let mosi = gpioa.pa7.into_alternate_push_pull(&mut gpioa.crl);
//! 
//!     // SPI2
//!     // let sck = gpiob.pb13.into_alternate_push_pull(&mut gpiob.crh);
//!     // let miso = gpiob.pb14;
//!     // let mosi = gpiob.pb15.into_alternate_push_pull(&mut gpiob.crh);
//! 
//!     let spi = Spi::spi1(
//!         dp.SPI1,
//!         (sck, miso, mosi),
//!         &mut afio.mapr,
//!         mpu9250::MODE,
//!         1.mhz(),
//!         clocks,
//!         &mut rcc.apb2,
//!     );
//! 
//!     let mut delay = Delay::new(cp.SYST, clocks);
//! 
//!     let mut mpu9250 = Mpu9250::marg(spi, nss, &mut delay).unwrap();
//! 
//!     // sanity checks
//!     assert_eq!(mpu9250.who_am_i().unwrap(), 0x71);
//!     assert_eq!(mpu9250.ak8963_who_am_i().unwrap(), 0x48);
//! 
//!     let _a = mpu9250.all().unwrap();
//! 
//!     asm::bkpt();
//! }
//! ```
// Auto-generated. Do not modify.