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authorBrian Cully <bjc@kublai.com>2019-08-11 19:01:34 -0400
committerBrian Cully <bjc@kublai.com>2019-08-11 19:01:34 -0400
commit7fdc6a2c1b5799221f5d89d5f935cfe7dad4ccd2 (patch)
tree3ac13da04997361ddb688d2f666298d075aa14e2 /src/main.rs
parentcceebb087a7a8afc41e0523f6e98be2301ff3af1 (diff)
downloadbleusb-7fdc6a2c1b5799221f5d89d5f935cfe7dad4ccd2.tar.gz
bleusb-7fdc6a2c1b5799221f5d89d5f935cfe7dad4ccd2.zip
Move usb controller stuff to usb directory.
Diffstat (limited to 'src/main.rs')
-rw-r--r--src/main.rs196
1 files changed, 0 insertions, 196 deletions
diff --git a/src/main.rs b/src/main.rs
deleted file mode 100644
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--- a/src/main.rs
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-//! Take USB keyboard reports and echo them over I²C.
-
-#![no_std]
-#![no_main]
-
-mod dotstar;
-mod logger;
-mod macros;
-mod rtc;
-
-use atsamd_usb_host::SAMDHost;
-use bootkbd::BootKeyboard;
-use clint::HandlerArray;
-use core::mem;
-use core::panic::PanicInfo;
-use cortex_m::asm::wfi;
-use cortex_m_rt::{entry, exception, ExceptionFrame};
-use embedded_hal::{blocking::i2c::Write, digital::v2::OutputPin};
-use log::{info, LevelFilter};
-use smart_leds::colors;
-use smart_leds_trait::SmartLedsWrite;
-use trinket_m0::{
- self as hal,
- clock::GenericClockController,
- gpio::{OpenDrain, Output, Pa10, Pa6, Pa7, PfD},
- sercom,
- target_device::{interrupt, Interrupt},
- time::*,
- CorePeripherals, Peripherals,
-};
-use usb_host::Driver;
-
-// A very unsafe copy of an LED to turn on when things go really, really wrong.
-static mut LED: usize = 0;
-
-// I²C address to send keyboard reports to.
-const NRF_WIREADDR: u8 = 4;
-
-// Interrupt handler table.
-static HANDLERS: HandlerArray = HandlerArray::new();
-
-#[entry]
-fn main() -> ! {
- let mut cp = CorePeripherals::take().expect("taking core peripherals");
- let mut dp = Peripherals::take().expect("taking device peripherals");
-
- let mut clocks = GenericClockController::with_internal_32kosc(
- dp.GCLK,
- &mut dp.PM,
- &mut dp.SYSCTRL,
- &mut dp.NVMCTRL,
- );
-
- let mut pins = hal::Pins::new(dp.PORT);
-
- let uart = hal::uart(
- &mut clocks,
- 115_200.hz(),
- dp.SERCOM0,
- &mut cp.NVIC,
- &mut dp.PM,
- pins.d3,
- pins.d4,
- &mut pins.port,
- );
-
- let mut i2c_master = hal::i2c_master(
- &mut clocks,
- 400_000.hz(),
- dp.SERCOM2,
- &mut dp.PM,
- pins.d0,
- pins.d2,
- &mut pins.port,
- );
-
- let mut red_led = pins.d13.into_open_drain_output(&mut pins.port);
- red_led.set_low().expect("turning off red LED");
- unsafe { LED = mem::transmute(&red_led) }
-
- let mut dotstar = dotstar::new(
- dp.SERCOM1,
- pins.swdio,
- pins.dotstar_di,
- pins.dotstar_ci,
- &mut pins.port,
- &mut dp.PM,
- &mut clocks,
- );
- let black = [colors::BLACK];
- dotstar
- .write(black.iter().cloned())
- .expect("turning off dotstar");
-
- // We do the transmute because, while all the underlying data is
- // static, we're unable to get a referecence to the UART or LED
- // until run-time. Another option would be to use Option in the
- // SerialLogger definition, but that requires a check every time
- // they might be used.
- let uart_wrapped = logger::WriteWrapper::new(uart);
- let logger = logger::SerialLogger::new(uart_wrapped, red_led);
-
- // Wow, would I love to not be annotating this type.
- let logger_ref: &'static logger::SerialLogger<
- sercom::UART0<sercom::Sercom0Pad3<Pa7<PfD>>, sercom::Sercom0Pad2<Pa6<PfD>>, (), ()>,
- Pa10<Output<OpenDrain>>,
- > = unsafe { mem::transmute(&logger) };
- unsafe { log::set_logger_racy(logger_ref).expect("couldn't set logger") };
- log::set_max_level(LevelFilter::Info);
-
- let mut rtc_handler = rtc::setup(dp.RTC, &mut clocks);
-
- let (mut usb_host, mut usb_handler) = SAMDHost::new(
- dp.USB,
- pins.usb_sof,
- pins.usb_dm,
- pins.usb_dp,
- Some(pins.usb_host_enable),
- &mut pins.port,
- &mut clocks,
- &mut dp.PM,
- &rtc::millis,
- );
-
- let mut bootkbd = BootKeyboard::new(|addr, buf| {
- info!("{}: {:?}", addr, buf);
- let hdr: [u8; 2] = [I2CMessageType::Keyboard as u8, buf.len() as u8];
- i2c_master.write(NRF_WIREADDR, &hdr).ok();
- i2c_master.write(NRF_WIREADDR, &buf).ok();
- });
- let mut drivers: [&mut dyn Driver; 1] = [&mut bootkbd];
-
- HANDLERS.with_overrides(|hs| {
- hs.register(0, &mut rtc_handler);
- unsafe { cp.NVIC.set_priority(Interrupt::USB, 0) };
- cp.NVIC.enable(Interrupt::RTC);
-
- hs.register(1, &mut usb_handler);
- unsafe { cp.NVIC.set_priority(Interrupt::USB, 1) };
- cp.NVIC.enable(Interrupt::USB);
-
- info!("Bootstrap complete.");
-
- loop {
- usb_host.task(&mut drivers[..]);
- wfi()
- }
- });
- unreachable!();
-}
-
-#[allow(unused)]
-#[repr(u8)]
-enum I2CMessageType {
- Debug = 0x00,
- Keyboard = 0x01,
- Invalid = 0xff,
-}
-
-#[panic_handler]
-fn panic_handler(pi: &PanicInfo) -> ! {
- let red_led: &mut Pa10<Output<OpenDrain>> = unsafe { mem::transmute(LED) };
- red_led.set_high().ok();
-
- logln_now!("~~~ PANIC ~~~");
- logln_now!("{}", pi);
- logln_now!("flushing log");
- loop {
- log::logger().flush();
- wfi()
- }
-}
-
-#[exception]
-fn HardFault(ef: &ExceptionFrame) -> ! {
- let red_led: &mut Pa10<Output<OpenDrain>> = unsafe { mem::transmute(LED) };
- red_led.set_high().ok();
-
- log::logger().flush();
- logln_now!("!!! Hard Fault - ef: {:?} !!!", ef);
- logln_now!("flushing log");
- loop {
- log::logger().flush();
- wfi()
- }
-}
-
-#[interrupt]
-fn RTC() {
- HANDLERS.call(0);
-}
-
-#[interrupt]
-fn USB() {
- HANDLERS.call(1);
-}