implement errata, see embassy issue embassy-rs#2309

haywire · haywire · commit 475ffe44ad25 · 2024-08-15T04:55:11.000Z
diff --git a/embassy-stm32/src/flash/g.rs b/embassy-stm32/src/flash/g.rs
@@ -31,6 +31,7 @@ pub(crate) unsafe fn unlock() {
 
 pub(crate) unsafe fn enable_blocking_write() {
     assert_eq!(0, WRITE_SIZE % 4);
+    pac::FLASH.acr().modify(|w| w.set_dcen(false));
     pac::FLASH.cr().write(|w| w.set_pg(true));
 }
 

Original file line number	Diff line number	Diff line change
`@@ -31,6 +31,7 @@ pub(crate) unsafe fn unlock() {`
`31`	`31`
`32`	`32`	`pub(crate) unsafe fn enable_blocking_write() {`
`33`	`33`	`assert_eq!(0, WRITE_SIZE % 4);`
	`34`	`+ pac::FLASH.acr().modify(\|w\| w.set_dcen(false));`
`34`	`35`	`pac::FLASH.cr().write(\|w\| w.set_pg(true));`
`35`	`36`	`}`
`36`	`37`