Switched to rtic to enable usb communication
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parent
c5dfb6e3b1
commit
a94a2376f6
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@ -6,6 +6,7 @@ version = "0.1.0"
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[dependencies]
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cortex-m = "0.7"
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cortex-m-rt = "0.7"
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cortex-m-rtic = "1.1.2"
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embedded-hal = { version = "0.2.5", features = ["unproven"] }
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defmt = "0.3"
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@ -14,6 +15,11 @@ panic-probe = { version = "0.3", features = ["print-defmt"] }
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# We're using a Pico by default on this template
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rp-pico = "0.5"
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rp2040-monotonic = "1.1.0"
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usb-device = "0.2.8"
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usbd-serial = "0.1.1"
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usbd-hid = "0.5.1"
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# but you can use any BSP. Uncomment this to use the pro_micro_rp2040 BSP instead
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# sparkfun-pro-micro-rp2040 = "0.3"
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299
src/main.rs
299
src/main.rs
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@ -4,149 +4,200 @@
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#![no_std]
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#![no_main]
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use bsp::entry;
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use defmt::*;
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use defmt_rtt as _;
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use embedded_hal::digital::v2::OutputPin;
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use panic_probe as _;
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// Provide an alias for our BSP so we can switch targets quickly.
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// Uncomment the BSP you included in Cargo.toml, the rest of the code does not need to change.
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use rp_pico as bsp;
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// use sparkfun_pro_micro_rp2040 as bsp;
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use bsp::hal::{
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clocks::{init_clocks_and_plls, Clock},
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pac,
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sio::Sio,
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watchdog::Watchdog,
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};
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mod flipdot;
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use crate::flipdot::write_display;
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#[entry]
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fn main() -> ! {
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info!("Program start");
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let mut pac = pac::Peripherals::take().unwrap();
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let core = pac::CorePeripherals::take().unwrap();
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let mut watchdog = Watchdog::new(pac.WATCHDOG);
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let sio = Sio::new(pac.SIO);
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#[rtic::app(device = rp_pico::hal::pac, peripherals = true, dispatchers = [XIP_IRQ])]
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mod app {
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// External high-speed crystal on the pico board is 12Mhz
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let external_xtal_freq_hz = 12_000_000u32;
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let clocks = init_clocks_and_plls(
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external_xtal_freq_hz,
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pac.XOSC,
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pac.CLOCKS,
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pac.PLL_SYS,
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pac.PLL_USB,
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&mut pac.RESETS,
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&mut watchdog,
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)
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.ok()
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.unwrap();
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use embedded_hal::digital::v2::OutputPin;
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let mut delay = cortex_m::delay::Delay::new(core.SYST, clocks.system_clock.freq().to_Hz());
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use rp_pico::hal;
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use rp_pico::hal::*;
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use rp_pico::XOSC_CRYSTAL_FREQ;
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let pins = bsp::Pins::new(
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pac.IO_BANK0,
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pac.PADS_BANK0,
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sio.gpio_bank0,
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&mut pac.RESETS,
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);
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// USB Device support
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use usb_device::{class_prelude::*, prelude::*};
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// USB Communications Class Device support
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use usbd_serial::SerialPort;
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let mut led_pin = pins.led.into_push_pull_output();
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use rp2040_monotonic::fugit::ExtU64;
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use rp2040_monotonic::*;
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let mut row_data_pin = pins.gpio4.into_push_pull_output();
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let mut row_clock_pin = pins.gpio5.into_push_pull_output();
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use crate::flipdot::write_display;
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let mut col_data_pin = pins.gpio2.into_push_pull_output();
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let mut col_clock_pin = pins.gpio3.into_push_pull_output();
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#[monotonic(binds = TIMER_IRQ_0, default = true)]
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type Monotonic = Rp2040Monotonic;
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let mut white_pin = pins.gpio6.into_push_pull_output();
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let mut black_pin = pins.gpio7.into_push_pull_output();
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let mut strobe_pin = pins.gpio8.into_push_pull_output();
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#[shared]
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struct Shared {
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serial: SerialPort<'static, hal::usb::UsbBus>,
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usb_dev: usb_device::device::UsbDevice<'static, hal::usb::UsbBus>,
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}
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write_display(
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&[0; 16],
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&mut col_clock_pin,
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&mut col_data_pin,
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&mut row_clock_pin,
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&mut row_data_pin,
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&mut strobe_pin,
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&mut white_pin,
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&mut black_pin,
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&mut delay,
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);
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#[local]
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struct Local {
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led_pin: hal::gpio::Pin<hal::gpio::pin::bank0::Gpio25, hal::gpio::PushPullOutput>,
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row_data_pin: hal::gpio::Pin<hal::gpio::pin::bank0::Gpio4, hal::gpio::PushPullOutput>,
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row_clock_pin: hal::gpio::Pin<hal::gpio::pin::bank0::Gpio5, hal::gpio::PushPullOutput>,
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col_data_pin: hal::gpio::Pin<hal::gpio::pin::bank0::Gpio2, hal::gpio::PushPullOutput>,
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col_clock_pin: hal::gpio::Pin<hal::gpio::pin::bank0::Gpio3, hal::gpio::PushPullOutput>,
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white_pin: hal::gpio::Pin<hal::gpio::pin::bank0::Gpio6, hal::gpio::PushPullOutput>,
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black_pin: hal::gpio::Pin<hal::gpio::pin::bank0::Gpio7, hal::gpio::PushPullOutput>,
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strobe_pin: hal::gpio::Pin<hal::gpio::pin::bank0::Gpio8, hal::gpio::PushPullOutput>,
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delay: cortex_m::delay::Delay,
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pattern: bool,
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}
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let pattern1 = [
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0100_0000_0101_0101,
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0b1010_1010_1111_0010_1010,
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0b0101_0100_0001_0101_0101,
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0b1010_1010_0001_0010_1010,
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0b0101_0100_1001_0101_0101,
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0b1010_1010_0000_0010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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];
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#[init(local = [usb_bus: Option<usb_device::bus::UsbBusAllocator<hal::usb::UsbBus>> = None])]
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fn init(c: init::Context) -> (Shared, Local, init::Monotonics) {
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let mut resets = c.device.RESETS;
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let mut watchdog = hal::watchdog::Watchdog::new(c.device.WATCHDOG);
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let pattern2 = [
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_0000_0010_1010,
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0b0101_0100_1111_0101_0101,
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0b1010_1010_0001_0010_1010,
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0b0101_0100_0001_0101_0101,
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0b1010_1010_1001_0010_1010,
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0b0101_0100_0000_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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];
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// Configure the clocks - The default is to generate a 125 MHz system clock
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let clocks = hal::clocks::init_clocks_and_plls(
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XOSC_CRYSTAL_FREQ,
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c.device.XOSC,
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c.device.CLOCKS,
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c.device.PLL_SYS,
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c.device.PLL_USB,
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&mut resets,
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&mut watchdog,
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)
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.ok()
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.unwrap();
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loop {
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let mut delay =
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cortex_m::delay::Delay::new(c.core.SYST, clocks.system_clock.freq().to_Hz());
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let usb_bus: &'static _ =
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c.local
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.usb_bus
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.insert(UsbBusAllocator::new(hal::usb::UsbBus::new(
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c.device.USBCTRL_REGS,
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c.device.USBCTRL_DPRAM,
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clocks.usb_clock,
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true,
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&mut resets,
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)));
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let serial = SerialPort::new(usb_bus);
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let usb_dev = UsbDeviceBuilder::new(usb_bus, UsbVidPid(0x16c0, 0x27dd))
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.manufacturer("Fake company")
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.product("Serial port")
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.serial_number("TEST")
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.device_class(2) // from: https://www.usb.org/defined-class-codes
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.build();
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let sio = hal::Sio::new(c.device.SIO);
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let pins = rp_pico::Pins::new(
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c.device.IO_BANK0,
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c.device.PADS_BANK0,
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sio.gpio_bank0,
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&mut resets,
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);
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let mut led_pin = pins.led.into_push_pull_output();
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led_pin.set_low().unwrap();
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write_display(
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&pattern1,
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&mut col_clock_pin,
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&mut col_data_pin,
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&mut row_clock_pin,
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&mut row_data_pin,
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&mut strobe_pin,
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&mut white_pin,
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&mut black_pin,
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&mut delay,
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);
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delay.delay_ms(1000);
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led_pin.set_high().unwrap();
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let row_data_pin = pins.gpio4.into_push_pull_output();
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let row_clock_pin = pins.gpio5.into_push_pull_output();
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let col_data_pin = pins.gpio2.into_push_pull_output();
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let col_clock_pin = pins.gpio3.into_push_pull_output();
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let white_pin = pins.gpio6.into_push_pull_output();
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let black_pin = pins.gpio7.into_push_pull_output();
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let strobe_pin = pins.gpio8.into_push_pull_output();
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let pattern = false;
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update_display::spawn_after(1.secs()).unwrap();
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(
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Shared { serial, usb_dev },
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Local {
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led_pin,
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row_data_pin,
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row_clock_pin,
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col_data_pin,
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col_clock_pin,
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white_pin,
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black_pin,
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strobe_pin,
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delay,
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pattern,
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},
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init::Monotonics(Rp2040Monotonic::new(c.device.TIMER)),
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)
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}
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#[task(local = [pattern, led_pin, row_data_pin, row_clock_pin, col_data_pin,
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col_clock_pin, white_pin, black_pin, strobe_pin, delay])]
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fn update_display(cx: update_display::Context) {
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let pattern = if *cx.local.pattern {
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[
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0100_0000_0101_0101,
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0b1010_1010_1111_0010_1010,
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0b0101_0100_0001_0101_0101,
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0b1010_1010_0001_0010_1010,
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0b0101_0100_1001_0101_0101,
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0b1010_1010_0000_0010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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]
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} else {
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[
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_0000_0010_1010,
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0b0101_0100_1111_0101_0101,
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0b1010_1010_0001_0010_1010,
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0b0101_0100_0001_0101_0101,
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0b1010_1010_1001_0010_1010,
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0b0101_0100_0000_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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0b0101_0101_0101_0101_0101,
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0b1010_1010_1010_1010_1010,
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]
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};
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if *cx.local.pattern {
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cx.local.led_pin.set_high().unwrap();
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} else {
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cx.local.led_pin.set_low().unwrap();
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}
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*cx.local.pattern = !*cx.local.pattern;
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write_display(
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&pattern2,
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&mut col_clock_pin,
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&mut col_data_pin,
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&mut row_clock_pin,
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&mut row_data_pin,
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&mut strobe_pin,
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&mut white_pin,
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&mut black_pin,
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&mut delay,
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&pattern,
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cx.local.col_clock_pin,
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cx.local.col_data_pin,
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cx.local.row_clock_pin,
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cx.local.row_data_pin,
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cx.local.strobe_pin,
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cx.local.white_pin,
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cx.local.black_pin,
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cx.local.delay,
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);
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delay.delay_ms(1000);
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update_display::spawn_after(1.secs()).unwrap();
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}
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}
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// End of file
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