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#![no_std]
pub mod pins;
pub use pins::Pins;
extern crate atsamd_hal as hal;
#[cfg(feature = "rt")]
extern crate cortex_m_rt;
#[cfg(feature = "rt")]
pub use cortex_m_rt::entry;
use hal::prelude::*;
use hal::*;
pub use hal::common::*;
pub use hal::samd21::*;
pub use hal::target_device as pac;
use gpio::{Floating, Input, PfC, Port};
use hal::clock::GenericClockController;
use hal::sercom::{I2CMaster3, PadPin, SPIMaster4, SPIMaster5, UART0};
use hal::time::Hertz;
#[cfg(feature = "usb")]
use hal::usb::usb_device::bus::UsbBusAllocator;
#[cfg(feature = "usb")]
pub use hal::usb::UsbBus;
pub fn spi_master<F: Into<Hertz>>(
clocks: &mut GenericClockController,
bus_speed: F,
sercom4: pac::SERCOM4,
pm: &mut pac::PM,
sck: gpio::Pb11<Input<Floating>>,
mosi: gpio::Pb10<Input<Floating>>,
miso: gpio::Pa12<Input<Floating>>,
port: &mut Port,
) -> SPIMaster4<
hal::sercom::Sercom4Pad0<gpio::Pa12<gpio::PfD>>,
hal::sercom::Sercom4Pad2<gpio::Pb10<gpio::PfD>>,
hal::sercom::Sercom4Pad3<gpio::Pb11<gpio::PfD>>,
> {
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,
(miso.into_pad(port), mosi.into_pad(port), sck.into_pad(port)),
)
}
pub fn flash_spi_master(
clocks: &mut GenericClockController,
sercom5: pac::SERCOM5,
pm: &mut pac::PM,
sck: gpio::Pb23<Input<Floating>>,
mosi: gpio::Pb22<Input<Floating>>,
miso: gpio::Pb3<Input<Floating>>,
cs: gpio::Pa13<Input<Floating>>,
port: &mut Port,
) -> (
hal::sercom::SPIMaster5<
hal::sercom::Sercom5Pad1<hal::gpio::Pb3<hal::gpio::PfD>>,
hal::sercom::Sercom5Pad2<hal::gpio::Pb22<hal::gpio::PfD>>,
hal::sercom::Sercom5Pad3<hal::gpio::Pb23<hal::gpio::PfD>>,
>,
hal::gpio::Pa13<hal::gpio::Output<hal::gpio::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,
(miso.into_pad(port), mosi.into_pad(port), sck.into_pad(port)),
);
let mut cs = cs.into_push_pull_output(port);
cs.set_high().unwrap();
(flash, cs)
}
pub fn i2c_master<F: Into<Hertz>>(
clocks: &mut GenericClockController,
bus_speed: F,
sercom3: pac::SERCOM3,
pm: &mut pac::PM,
sda: gpio::Pa22<Input<Floating>>,
scl: gpio::Pa23<Input<Floating>>,
port: &mut Port,
) -> I2CMaster3<
hal::sercom::Sercom3Pad0<hal::gpio::Pa22<hal::gpio::PfC>>,
hal::sercom::Sercom3Pad1<hal::gpio::Pa23<hal::gpio::PfC>>,
> {
let gclk0 = clocks.gclk0();
I2CMaster3::new(
&clocks.sercom3_core(&gclk0).unwrap(),
bus_speed.into(),
sercom3,
pm,
sda.into_pad(port),
scl.into_pad(port),
)
}
pub fn uart<F: Into<Hertz>>(
clocks: &mut GenericClockController,
baud: F,
sercom0: pac::SERCOM0,
pm: &mut pac::PM,
d0: gpio::Pa11<Input<Floating>>,
d1: gpio::Pa10<Input<Floating>>,
port: &mut Port,
) -> UART0<
hal::sercom::Sercom0Pad3<gpio::Pa11<PfC>>,
hal::sercom::Sercom0Pad2<gpio::Pa10<PfC>>,
(),
(),
> {
let gclk0 = clocks.gclk0();
UART0::new(
&clocks.sercom0_core(&gclk0).unwrap(),
baud.into(),
sercom0,
pm,
(d0.into_pad(port), d1.into_pad(port)),
)
}
#[cfg(feature = "usb")]
pub fn usb_allocator(
usb: pac::USB,
clocks: &mut GenericClockController,
pm: &mut pac::PM,
dm: gpio::Pa24<Input<Floating>>,
dp: gpio::Pa25<Input<Floating>>,
port: &mut Port,
) -> UsbBusAllocator<UsbBus> {
use gpio::IntoFunction;
let gclk0 = clocks.gclk0();
let usb_clock = &clocks.usb(&gclk0).unwrap();
UsbBusAllocator::new(UsbBus::new(
usb_clock,
pm,
dm.into_function(port),
dp.into_function(port),
usb,
))
}