91 lines
2.3 KiB
Rust
91 lines
2.3 KiB
Rust
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use crate::serial::Serial;
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use rp_pico as bsp;
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use bsp::{
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hal::{
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clocks::ClocksManager,
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pac,
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pac::{interrupt, Interrupt},
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usb::UsbBus,
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Clock,
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},
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pac::{RESETS, USBCTRL_DPRAM, USBCTRL_REGS},
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};
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use cortex_m::{delay::Delay, Peripherals as CortexPeripherals};
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use usb_device::{class_prelude::*, prelude::*};
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use usbd_hid::{
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descriptor::{MouseReport, SerializedDescriptor},
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hid_class::HIDClass,
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};
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static mut USB_BUS: Option<UsbBusAllocator<UsbBus>> = None;
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static mut USB_SERIAL: Option<Serial> = None;
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static mut USB_DEVICE: Option<UsbDevice<UsbBus>> = None;
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pub struct CustomHID<'a> {
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out_ep: EndpointOut<'a, UsbBus>,
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in_ep: EndpointIn<'a, UsbBus>,
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}
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impl<'a> CustomHID<'a> {
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pub fn new(
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usbctrl_reg: USBCTRL_REGS,
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usbctrl_dpram: USBCTRL_DPRAM,
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resets: &mut RESETS,
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core: CortexPeripherals,
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clocks: ClocksManager,
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poll_ms: u8,
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) -> Self {
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// Set up the USB driver
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unsafe {
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USB_BUS = Some(UsbBusAllocator::new(UsbBus::new(
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usbctrl_reg,
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usbctrl_dpram,
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clocks.usb_clock,
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true,
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resets,
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)))
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};
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unsafe {
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USB_SERIAL = Some(Serial::new(USB_BUS.as_ref().unwrap()));
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}
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unsafe {
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USB_DEVICE = Some(
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UsbDeviceBuilder::new(USB_BUS.as_ref().unwrap(), 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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);
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}
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let (in_ep, out_ep) = unsafe {
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pac::NVIC::unmask(Interrupt::USBCTRL_IRQ);
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(
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USB_BUS.as_ref().unwrap().interrupt(64, poll_ms),
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USB_BUS.as_ref().unwrap().interrupt(64, poll_ms),
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)
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};
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Self { in_ep, out_ep }
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}
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pub fn run(&mut self) {}
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}
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#[allow(non_snake_case)]
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#[interrupt]
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unsafe fn USBCTRL_IRQ() {
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// Handle USB request
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let usb_dev = USB_DEVICE.as_mut().unwrap();
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let usb_hid = USB_SERIAL.as_mut().unwrap();
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usb_dev.poll(&mut [usb_hid]);
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}
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