98 lines
2.7 KiB
Rust
98 lines
2.7 KiB
Rust
use embedded_hal::digital::v2::OutputPin;
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use stm32f1xx_hal::{
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delay::Delay,
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prelude::*,
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qei,
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spi::{Mode, Phase, Polarity, Spi},
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stm32,
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timer::Timer,
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};
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use crate::application::styles::Styles;
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use crate::application::App;
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pub fn setup(cp: cortex_m::peripheral::Peripherals, dp: stm32::Peripherals) -> App {
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// Take ownership over the raw flash and rcc devices and convert them into the corresponding
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// HAL structs
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let mut flash = dp.FLASH.constrain();
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let mut rcc = dp.RCC.constrain();
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// Freeze the configuration of all the clocks in the system and store the frozen frequencies in
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// `clocks`
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let clocks = rcc
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.cfgr
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.use_hse(8.mhz())
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.sysclk(72.mhz())
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.pclk1(36.mhz())
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.freeze(&mut flash.acr);
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// Acquire the GPIOC peripheral
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let mut gpioc = dp.GPIOC.split(&mut rcc.apb2);
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let mut gpioa = dp.GPIOA.split(&mut rcc.apb2);
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// Configure gpio C pin 13 as a push-pull output. The `crh` register is passed to the function
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// in order to configure the port. For pins 0-7, crl should be passed instead.
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let led = gpioc.pc13.into_push_pull_output(&mut gpioc.crh);
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let delay = Delay::new(cp.SYST, clocks);
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let gpiob = dp.GPIOB.split(&mut rcc.apb2);
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let mut afio = dp.AFIO.constrain(&mut rcc.apb2);
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let (_, pb3, pb4) = afio.mapr.disable_jtag(gpioa.pa15, gpiob.pb3, gpiob.pb4);
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let qei = Timer::tim3(dp.TIM3, &clocks, &mut rcc.apb1).qei(
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(pb4, gpiob.pb5),
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&mut afio.mapr,
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qei::QeiOptions::default(),
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);
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let button = pb3;
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// SPI1
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let sck = gpioa.pa5.into_alternate_push_pull(&mut gpioa.crl);
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let miso = gpioa.pa6;
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let mosi = gpioa.pa7.into_alternate_push_pull(&mut gpioa.crl);
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let disp_cs = gpioa.pa0.into_push_pull_output(&mut gpioa.crl);
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let max_cs = gpioa.pa9.into_push_pull_output(&mut gpioa.crh);
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let rst = gpioa.pa1.into_push_pull_output(&mut gpioa.crl);
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let dc = gpioa.pa4.into_push_pull_output(&mut gpioa.crl);
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let mut disp_led = gpioa.pa8.into_push_pull_output(&mut gpioa.crh);
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disp_led.set_high().unwrap();
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let spi = Spi::spi1(
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dp.SPI1,
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(sck, miso, mosi),
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&mut afio.mapr,
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Mode {
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polarity: Polarity::IdleLow,
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phase: Phase::CaptureOnFirstTransition,
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},
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16.mhz(),
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clocks,
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&mut rcc.apb2,
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);
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App {
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delay: delay,
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board_led: led,
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spi: Some(spi),
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disp_cs: disp_cs,
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disp_dc: Some(dc),
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disp_rst: Some(rst),
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max_cs: max_cs,
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qei: qei,
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button: button,
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selected_profile: 0,
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styles: Styles::new(),
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temp_avg: 0.0,
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}
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}
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