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-rwxr-xr-xsrc-riscv/usb.rs42
1 files changed, 0 insertions, 42 deletions
diff --git a/src-riscv/usb.rs b/src-riscv/usb.rs
deleted file mode 100755
index 1ec36af..0000000
--- a/src-riscv/usb.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-use gd32vf103xx_hal::pac;
-use gd32vf103xx_hal::gpio::{Input, Floating, gpioa::{PA11, PA12}};
-use gd32vf103xx_hal::time::Hertz;
-pub use synopsys_usb_otg::UsbBus;
-use synopsys_usb_otg::UsbPeripheral;
-
-#[allow(dead_code)]
-pub struct USB {
- pub usb_global: pac::USBFS_GLOBAL,
- pub usb_device: pac::USBFS_DEVICE,
- pub usb_pwrclk: pac::USBFS_PWRCLK,
- pub pin_dm: PA11<Input<Floating>>,
- pub pin_dp: PA12<Input<Floating>>,
- pub hclk: Hertz,
-}
-
-unsafe impl Sync for USB {}
-
-unsafe impl UsbPeripheral for USB {
- const REGISTERS: *const () = pac::USBFS_GLOBAL::ptr() as *const ();
-
- const HIGH_SPEED: bool = false;
- const FIFO_DEPTH_WORDS: usize = 320;
- const ENDPOINT_COUNT: usize = 4;
-
- fn enable() {
- let rcu = unsafe { &*pac::RCU::ptr() };
-
- riscv::interrupt::free(|_| {
- // Enable USB peripheral
- rcu.ahben.modify(|_, w| w.usbfsen().set_bit());
-
- // Reset USB peripheral
- rcu.ahbrst.modify(|_, w| w.usbfsrst().set_bit());
- rcu.ahbrst.modify(|_, w| w.usbfsrst().clear_bit());
- });
- }
-
- fn ahb_frequency_hz(&self) -> u32 {
- self.hclk.0
- }
-}