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#![no_std]
extern crate atsamd21_hal as hal;
pub use hal::atsamd21g18a::*;
use hal::prelude::*;
pub use hal::*;
use gpio::{Floating, Input, Output, Port, PushPull};
use hal::clock::GenericClockController;
use hal::sercom::{I2CMaster3, PadPin, SPIMaster4, SPIMaster5};
use hal::time::Hertz;
pub struct Pins {
pub port: Port,
pub a0: gpio::Pa2<Input<Floating>>,
pub a1: gpio::Pb8<Input<Floating>>,
pub a2: gpio::Pb9<Input<Floating>>,
pub a3: gpio::Pa4<Input<Floating>>,
pub a4: gpio::Pa5<Input<Floating>>,
pub a5: gpio::Pb2<Input<Floating>>,
pub d0: gpio::Pa11<Input<Floating>>,
pub d1: gpio::Pa10<Input<Floating>>,
pub d2: gpio::Pa14<Input<Floating>>,
pub d3: gpio::Pa9<Input<Floating>>,
pub d4: gpio::Pa8<Input<Floating>>,
pub d5: gpio::Pa15<Input<Floating>>,
pub d6: gpio::Pa20<Input<Floating>>,
pub d7: gpio::Pa21<Input<Floating>>,
pub d8: gpio::Pa6<Input<Floating>>,
pub d9: gpio::Pa7<Input<Floating>>,
pub d10: gpio::Pa18<Input<Floating>>,
pub d11: gpio::Pa16<Input<Floating>>,
pub d12: gpio::Pa19<Input<Floating>>,
pub d13: gpio::Pa17<Input<Floating>>,
pub sda: gpio::Pa22<Input<Floating>>,
pub scl: gpio::Pa23<Input<Floating>>,
pub neopixel: gpio::Pa30<Input<Floating>>,
pub sck: gpio::Pb11<Input<Floating>>,
pub mosi: gpio::Pb10<Input<Floating>>,
pub miso: gpio::Pa12<Input<Floating>>,
pub flash_sck: gpio::Pb23<Input<Floating>>,
pub flash_mosi: gpio::Pb22<Input<Floating>>,
pub flash_miso: gpio::Pb3<Input<Floating>>,
pub flash_cs: gpio::Pa13<Input<Floating>>,
}
pub fn pins(port: atsamd21g18a::PORT) -> Pins {
let pins = port.split();
Pins {
port: pins.port,
a0: pins.pa2,
a1: pins.pb8,
a2: pins.pb9,
a3: pins.pa4,
a4: pins.pa5,
a5: pins.pb2,
d0: pins.pa11,
d1: pins.pa10,
d2: pins.pa14,
d3: pins.pa9,
d4: pins.pa8,
d5: pins.pa15,
d6: pins.pa20,
d7: pins.pa21,
d8: pins.pa6,
d9: pins.pa7,
d10: pins.pa18,
d11: pins.pa16,
d12: pins.pa19,
d13: pins.pa17,
sda: pins.pa22,
scl: pins.pa23,
neopixel: pins.pa30,
sck: pins.pb11,
mosi: pins.pb10,
miso: pins.pa12,
flash_sck: pins.pb23,
flash_mosi: pins.pb22,
flash_miso: pins.pb3,
flash_cs: pins.pa13,
}
}
pub fn spi_master<F: Into<Hertz>>(
clocks: &mut GenericClockController,
bus_speed: F,
sercom4: SERCOM4,
pm: &mut PM,
sck: gpio::Pb11<Input<Floating>>,
mosi: gpio::Pb10<Input<Floating>>,
miso: gpio::Pa12<Input<Floating>>,
port: &mut Port,
) -> SPIMaster4 {
let gclk0 = clocks.gclk0();
SPIMaster4::new(
&clocks.sercom4_core(&gclk0).unwrap(),
bus_speed.into(),
hal::hal::spi::Mode {
phase: hal::hal::spi::Phase::CaptureOnFirstTransition,
polarity: hal::hal::spi::Polarity::IdleLow,
},
sercom4,
pm,
hal::sercom::SPI4Pinout::Dipo0Dopo1 {
miso: miso.into_pad(port),
mosi: mosi.into_pad(port),
sck: sck.into_pad(port),
},
)
}
pub fn flash_spi_master(
clocks: &mut GenericClockController,
sercom5: SERCOM5,
pm: &mut PM,
sck: gpio::Pb23<Input<Floating>>,
mosi: gpio::Pb22<Input<Floating>>,
miso: gpio::Pb3<Input<Floating>>,
cs: gpio::Pa13<Input<Floating>>,
port: &mut Port,
) -> (SPIMaster5, gpio::Pa13<Output<PushPull>>) {
let gclk0 = clocks.gclk0();
let flash = SPIMaster5::new(
&clocks.sercom5_core(&gclk0).unwrap(),
48.mhz(),
hal::hal::spi::Mode {
phase: hal::hal::spi::Phase::CaptureOnFirstTransition,
polarity: hal::hal::spi::Polarity::IdleLow,
},
sercom5,
pm,
hal::sercom::SPI5Pinout::Dipo1Dopo1 {
miso: miso.into_pad(port),
mosi: mosi.into_pad(port),
sck: sck.into_pad(port),
},
);
let mut cs = cs.into_push_pull_output(port);
cs.set_high();
(flash, cs)
}
pub fn i2c_master<F: Into<Hertz>>(
clocks: &mut GenericClockController,
bus_speed: F,
sercom3: SERCOM3,
pm: &mut PM,
sda: gpio::Pa22<Input<Floating>>,
scl: gpio::Pa23<Input<Floating>>,
port: &mut Port,
) -> I2CMaster3 {
let gclk0 = clocks.gclk0();
I2CMaster3::new(
&clocks.sercom3_core(&gclk0).unwrap(),
bus_speed.into(),
sercom3,
pm,
sda.into_pad(port),
scl.into_pad(port),
)
}