fix otg_fs method

ryankurte · ryankurte · commit b096bde9243a · 2020-06-28T21:30:31.000+12:00
diff --git a/src/otg_fs.rs b/src/otg_fs.rs
@@ -29,7 +29,7 @@ unsafe impl UsbPeripheral for USB {
     const HIGH_SPEED: bool = false;
     const FIFO_DEPTH_WORDS: usize = 320;
 
-    fn try_enable() -> Result<(), Infallible> {
+    fn enable() {
         let rcc = unsafe { &*stm32::RCC::ptr() };
 
         cortex_m::interrupt::free(|_| {
@@ -40,8 +40,6 @@ unsafe impl UsbPeripheral for USB {
             rcc.ahb2rstr.modify(|_, w| w.otgfsrst().set_bit());
             rcc.ahb2rstr.modify(|_, w| w.otgfsrst().clear_bit());
         });
-
-        Ok(())
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ unsafe impl UsbPeripheral for USB {`
`29`	`29`	`const HIGH_SPEED: bool = false;`
`30`	`30`	`const FIFO_DEPTH_WORDS: usize = 320;`
`31`	`31`
`32`		`- fn try_enable() -> Result<(), Infallible> {`
	`32`	`+ fn enable() {`
`33`	`33`	`let rcc = unsafe { &*stm32::RCC::ptr() };`
`34`	`34`
`35`	`35`	`cortex_m::interrupt::free(\|_\| {`
`@@ -40,8 +40,6 @@ unsafe impl UsbPeripheral for USB {`
`40`	`40`	`rcc.ahb2rstr.modify(\|_, w\| w.otgfsrst().set_bit());`
`41`	`41`	`rcc.ahb2rstr.modify(\|_, w\| w.otgfsrst().clear_bit());`
`42`	`42`	`});`
`43`		`-`
`44`		`- Ok(())`
`45`	`43`	`}`
`46`	`44`	`}`
`47`	`45`