enforce limit of tcdo to maximum of 127

liamkinne · liamkinne · commit a1ef7d20c335 · 2025-02-03T11:44:28.000+10:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -756,7 +756,8 @@ where
 
         let can = self.registers();
         if btr.tdc() {
-            let tcdo = btr.dtseg1() * btr.dbrp();
+            let tcdo = btr.dtseg1().saturating_mul(btr.dbrp());
+            let tcdo = core::cmp::min(tcdo, 127);
             can.tdcr.write(|w| unsafe { w.tdco().bits(tcdo) });
         }
         can.dbtp.write(|w| unsafe {

Original file line number	Diff line number	Diff line change
`@@ -756,7 +756,8 @@ where`
`756`	`756`
`757`	`757`	`let can = self.registers();`
`758`	`758`	`if btr.tdc() {`
`759`		`- let tcdo = btr.dtseg1() * btr.dbrp();`
	`759`	`+ let tcdo = btr.dtseg1().saturating_mul(btr.dbrp());`
	`760`	`+ let tcdo = core::cmp::min(tcdo, 127);`
`760`	`761`	`can.tdcr.write(\|w\| unsafe { w.tdco().bits(tcdo) });`
`761`	`762`	`}`
`762`	`763`	`can.dbtp.write(\|w\| unsafe {`