Merge pull request #795 from stm32-rs/i2c-a10-fix

burrbull · web-flow · commit fb847b9bc840 · 2024-08-15T07:03:42.000+03:00
Fix MSBs calculation
diff --git a/src/i2c.rs b/src/i2c.rs
@@ -348,7 +348,7 @@ impl<I2C: Instance> I2c<I2C> {
             }
             Address::Ten(addr) => {
                 let [msbs, lsbs] = addr.to_be_bytes();
-                let msbs = ((msbs & 0b11) << 1) & 0b11110000;
+                let msbs = ((msbs & 0b11) << 1) | 0b11110000;
                 let dr = self.i2c.dr();
                 if first_transaction {
                     dr.write(|w| unsafe { w.bits(u32::from(msbs)) });

Original file line number	Diff line number	Diff line change
`@@ -348,7 +348,7 @@ impl<I2C: Instance> I2c<I2C> {`
`348`	`348`	`}`
`349`	`349`	`Address::Ten(addr) => {`
`350`	`350`	`let [msbs, lsbs] = addr.to_be_bytes();`
`351`		`- let msbs = ((msbs & 0b11) << 1) & 0b11110000;`
	`351`	`+ let msbs = ((msbs & 0b11) << 1) \| 0b11110000;`
`352`	`352`	`let dr = self.i2c.dr();`
`353`	`353`	`if first_transaction {`
`354`	`354`	`dr.write(\|w\| unsafe { w.bits(u32::from(msbs)) });`