fix standby flag

dotcypress · dotcypress · commit e272a8f3a49f · 2022-10-17T21:56:23.000-07:00
diff --git a/src/power.rs b/src/power.rs
@@ -66,7 +66,9 @@ impl Power {
     }
 
     pub fn clear_standby_flag(&mut self) {
-        self.rb.scr.write(|w| w.csbf().set_bit());
+        if self.rb.sr1.read().sbf().bit_is_set() {
+            self.rb.scr.write(|w| w.csbf().set_bit());
+        }
     }
 
     pub fn enable_wakeup_lane<L: Into<WakeUp>>(&mut self, lane: L, edge: SignalEdge) {

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,9 @@ impl Power {`
`66`	`66`	`}`
`67`	`67`
`68`	`68`	`pub fn clear_standby_flag(&mut self) {`
`69`		`- self.rb.scr.write(\|w\| w.csbf().set_bit());`
	`69`	`+ if self.rb.sr1.read().sbf().bit_is_set() {`
	`70`	`+ self.rb.scr.write(\|w\| w.csbf().set_bit());`
	`71`	`+ }`
`70`	`72`	`}`
`71`	`73`
`72`	`74`	`pub fn enable_wakeup_lane<L: Into<WakeUp>>(&mut self, lane: L, edge: SignalEdge) {`