From 7966be1419d3eaa088ed83f95282383182585640 Mon Sep 17 00:00:00 2001
From: Brian Cully <bjc@kublai.com>
Date: Thu, 25 Jul 2019 09:40:31 -0400
Subject: Move USB host stuff to separate crate.

---
 app/src/usb/pipe/addr.rs | 87 ------------------------------------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 app/src/usb/pipe/addr.rs

(limited to 'app/src/usb/pipe/addr.rs')

diff --git a/app/src/usb/pipe/addr.rs b/app/src/usb/pipe/addr.rs
deleted file mode 100644
index 8b92177..0000000
--- a/app/src/usb/pipe/addr.rs
+++ /dev/null
@@ -1,87 +0,0 @@
-/// § 32.8.7.2
-/// Address of the Data Buffer.
-///
-/// Offset: 0x00 & 0x10
-/// Reset: 0xxxxxxxxx
-/// Property: NA
-#[derive(Clone, Copy, Debug)]
-#[repr(C)]
-pub(crate) struct Addr(u32);
-
-pub(crate) struct R {
-    bits: u32,
-}
-
-pub(crate) struct W {
-    bits: u32,
-}
-
-impl Addr {
-    pub fn read(&self) -> R {
-        R { bits: self.0 }
-    }
-
-    pub fn write<F>(&mut self, f: F)
-    where
-        F: FnOnce(&mut W) -> &mut W,
-    {
-        let mut w = W { bits: self.0 };
-        f(&mut w);
-        // Address must be 32-bit aligned.
-        assert!((w.bits & 0x3) == 0);
-        self.0 = w.bits;
-    }
-}
-
-impl From<u32> for Addr {
-    fn from(v: u32) -> Self {
-        Self(v)
-    }
-}
-
-impl R {
-    /// Value in raw bits.
-    pub fn bits(&self) -> u32 {
-        self.bits
-    }
-
-    pub fn addr(&self) -> AddrR {
-        AddrR(self.bits)
-    }
-}
-
-/// Data Pointer Address Value
-///
-/// These bits define the data pointer address as an absolute double
-/// word address in RAM. The two least significant bits must be zero
-/// to ensure the descriptor is 32-bit aligned.
-pub(crate) struct AddrR(u32);
-impl AddrR {
-    pub fn bits(&self) -> u32 {
-        self.0
-    }
-}
-
-impl W {
-    /// Write raw bits.
-    pub unsafe fn bits(&mut self, v: u32) -> &mut Self {
-        self.bits = v;
-        self
-    }
-
-    pub fn addr(&mut self) -> AddrW {
-        AddrW { w: self }
-    }
-}
-
-pub(crate) struct AddrW<'a> {
-    w: &'a mut W,
-}
-impl<'a> AddrW<'a> {
-    pub unsafe fn bits(self, v: u32) -> &'a mut W {
-        self.w.bits = v;
-        self.w
-    }
-
-    // TODO: "safe" method take a pointer instead of raw u32
-}
-- 
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