tle5012 0.1.0

TLE5012 GMR angle sensor driver
Documentation 
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//! Test the formated output
//!
//! This example hasn't a special requires
#![deny(unsafe_code)]
#![no_main]
#![no_std]

extern crate panic_semihosting;

use cortex_m::asm;
use stm32f7x7_hal::{stm32, prelude::*, serial::{Serial, config}, spi::Spi};
use serialio::{SerialIO, sprintln};
use cortex_m_rt::entry;

use tle5012::{self, Tle5012};

#[entry]
fn main() -> ! {
    let p = stm32::Peripherals::take().unwrap();

    let rcc = p.RCC.constrain();

    let clocks = rcc.cfgr.freeze();

    let gpiod = p.GPIOD.split();
    let gpiob = p.GPIOB.split();
    let gpioa = p.GPIOA.split();

    // Setup serial i/o
    let tx = gpiod.pd8.into_alternate_af7();
    let rx = gpiod.pd9.into_alternate_af7();

    let conf = config::Config::default();
    let serial = Serial::usart3(p.USART3, (tx, rx), conf.baudrate(115_200.bps()), clocks);

    let (tx, rx) = serial.unwrap().split();

    let mut in_out = SerialIO::new(tx, rx);

    sprintln!(in_out, "Angle sensor startup check");

    // Setup spi i/o
    let sck = gpiob.pb3.into_alternate_af5();
    let miso = gpiob.pb4.into_alternate_af5();
    let mosi = gpiob.pb5.into_alternate_af5();
    let mut nss = gpioa.pa4.into_push_pull_output();
    nss.set_high();

    let spi = Spi::spi1(p.SPI1, (sck, miso, mosi), tle5012::MODE, 500.khz().into(), clocks);

    let mut angle_sensor = Tle5012::new(spi, nss).unwrap();

    match angle_sensor.read_status() {
        Ok(status) => {sprintln!(in_out, "Angle sensor status is 0x{:x}", status);},
        Err(error) => {sprintln!(in_out, "Error for read status is {:?}", error);},
    }

    match angle_sensor.read_activation_status() {
        Ok(activation_status) => {
            sprintln!(in_out, "Angle sensor activation status is 0x{:x}", activation_status);},
        Err(error) => {sprintln!(in_out, "Error for read status is {:?}", error);},
    }

    asm::bkpt();

    loop {}
}