From fc0d9fe0e73348e5599bbc232c7dbf4f98d65ea5 Mon Sep 17 00:00:00 2001
From: Brian Cully <bjc@kublai.com>
Date: Sat, 29 Oct 2022 21:48:07 -0400
Subject: riscv: remove code

all previous functionality has been replicated, and the code lives in
a branch anyway.
---
 src-riscv/main.rs | 215 ------------------------------------------------------
 1 file changed, 215 deletions(-)
 delete mode 100755 src-riscv/main.rs

(limited to 'src-riscv/main.rs')

diff --git a/src-riscv/main.rs b/src-riscv/main.rs
deleted file mode 100755
index 68fa8da..0000000
--- a/src-riscv/main.rs
+++ /dev/null
@@ -1,215 +0,0 @@
-#![no_std]
-#![no_main]
-
-mod blink;
-mod led;
-mod log;
-mod usb;
-
-// use gd32vf103xx_hal as hal;
-use stm32f30x_hal as hal;
-
-use hal::{
-    afio::AfioExt,
-    eclic::{self, EclicExt},
-    gpio::GpioExt,
-    pac::{self, Peripherals},
-    rcu::RcuExt,
-    serial::Serial,
-    time::{Hertz, MegaHertz},
-    timer::Timer,
-};
-use riscv::{
-    asm::wfi,
-    interrupt,
-};
-use riscv_rt::entry;
-use usb_device::prelude::*;
-
-use led::LED;
-use usb::{USB, UsbBus};
-
-static mut EP_MEMORY: [u32; 1024] = [0; 1024];
-
-#[entry]
-fn main(_hartid: usize) -> ! {
-    let p = Peripherals::take().expect("couldn't take peripherals");
-
-    pac::ECLIC::reset();
-    pac::ECLIC::set_threshold_level(eclic::Level::L0);
-    pac::ECLIC::set_level_priority_bits(eclic::LevelPriorityBits::L3P1);
-
-    let mut rcu = p.RCU
-        .configure()
-        .ext_hf_clock(MegaHertz(8))
-        .sysclk(MegaHertz(96))
-        .freeze();
-    let mut afio = p.AFIO.constrain(&mut rcu);
-    let gpioa = p.GPIOA.split(&mut rcu);
-
-    // TODO: figure out how to use the usb serial on the start board.
-    //
-    // this version has to be wired up physically.
-    let serial = Serial::new(
-        p.USART1,
-        (gpioa.pa2, gpioa.pa3),
-        Default::default(),
-        &mut afio,
-        &mut rcu,
-    );
-    let (tx, _rx) = serial.split();
-    log::init(tx);
-    logln!("luchie starting");
-
-    let timer = Timer::<pac::TIMER6>::timer6(p.TIMER6, Hertz(5), &mut rcu);
-    let led = LED::new(gpioa.pa7);
-    let mut blink = blink::Task::new(timer, Hertz(5), led);
-
-    let usb = USB {
-        usb_global: p.USBFS_GLOBAL,
-        usb_device: p.USBFS_DEVICE,
-        usb_pwrclk: p.USBFS_PWRCLK,
-        pin_dm: gpioa.pa11,
-        pin_dp: gpioa.pa12,
-        hclk: rcu.clocks.hclk()
-    };
-    logln!("hclk: {:?}", rcu.clocks.hclk().0);
-
-    let usb_bus = UsbBus::new(usb, unsafe { &mut EP_MEMORY });
-
-    let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(0x16c0, 0x27dd))
-        .manufacturer("Fake company")
-        .product("Enumeration test")
-        .serial_number("TEST")
-        .device_class(0)
-        .build();
-
-    //let mut serial = SerialPort::new(&bus_alloc);
-
-    unsafe { interrupt::enable() };
-
-    loop {
-        let mut can_sleep = true;
-
-        if let Ok(_) = blink.poll() {
-            can_sleep = false;
-        }
-        if usb_dev.poll(&mut []) {
-            logln!("usb");
-            can_sleep = false;
-        }
-
-        if can_sleep && false {
-            log!("!");
-            unsafe { wfi() };
-        }
-    }
-}
-#[export_name="ExceptionHandler"]
-fn exception_handler(_frame: &riscv_rt::TrapFrame) -> ! {
-    spin();
-}
-
-#[export_name="DefaultHandler"]
-fn default_handler() -> ! {
-    spin();
-}
-
-#[export_name="MachineTimer"]
-fn machine_timer() {
-    spin();
-}
-
-#[panic_handler]
-fn panic(info: &core::panic::PanicInfo) -> ! {
-   interrupt::free(|_cs| {
-       log!("!!! panic ");
-        if let Some(loc) = info.location() {
-            log!("in {}:{} ", loc.file(), loc.line());
-        }
-        if let Some(msg) = info.payload().downcast_ref::<&str>() {
-            log!("⇒ {} ", msg);
-        }
-        logln!("!!!");
-    });
-    spin();
-}
-
-fn spin() -> ! {
-    loop { unsafe { wfi() } };
-}
-
-/*
-#![no_std]
-#![no_main]
-
-mod usb;
-
-use riscv::asm::wfi;
-use riscv_rt::entry;
-use gd32vf103xx_hal::prelude::*;
-use gd32vf103xx_hal::pac;
-
-use usb::{USB, UsbBus};
-use usb_device::prelude::*;
-use usbd_serial::SerialPort;
-
-static mut EP_MEMORY: [u32; 1024] = [0; 1024];
-
-#[entry]
-fn main() -> ! {
-    let dp = pac::Peripherals::take().unwrap();
-
-    // Configure clocks
-    let mut rcu = dp.RCU.configure()
-        .ext_hf_clock(8.mhz())
-        .sysclk(96.mhz())
-        .freeze();
-
-    assert!(rcu.clocks.usbclk_valid());
-
-    let gpioa = dp.GPIOA.split(&mut rcu);
-    let usb = USB {
-        usb_global: dp.USBFS_GLOBAL,
-        usb_device: dp.USBFS_DEVICE,
-        usb_pwrclk: dp.USBFS_PWRCLK,
-        pin_dm: gpioa.pa11,
-        pin_dp: gpioa.pa12,
-        hclk: rcu.clocks.hclk()
-    };
-
-    let usb_bus = UsbBus::new(usb, unsafe { &mut EP_MEMORY });
-
-    let mut serial = SerialPort::new(&usb_bus);
-    let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(0x16c0, 0x27dd))
-        .manufacturer("Fake company")
-        .product("Enumeration test")
-        .serial_number("TEST")
-        .device_class(0)
-        .build();
-
-    loop {
-        if usb_dev.poll(&mut [&mut serial]) {
-        }
-    }
-}
-
-#[panic_handler]
-fn panic(info: &core::panic::PanicInfo) -> ! {
-//    interrupt::free(|_cs| {
-//        log!("!!! panic ");
-        if let Some(loc) = info.location() {
-//            log!("in {}:{} ", loc.file(), loc.line());
-        }
-        if let Some(msg) = info.payload().downcast_ref::<&str>() {
-//            log!("⇒ {} ", msg);
-        }
-//        logln!("!!!");
-//    });
-    spin();
-}
-
-fn spin() -> ! {
-    loop { unsafe { wfi() } };
-}
-*/
-- 
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