enforce limit of tcdo to maximum of 127

liamkinne · liamkinne · commit e95f8c4fce3a · 2025-02-03T11:42:52.000+10:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -750,7 +750,8 @@ 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
`@@ -750,7 +750,8 @@ where`
`750`	`750`
`751`	`751`	`let can = self.registers();`
`752`	`752`	`if btr.tdc() {`
`753`		`- let tcdo = btr.dtseg1() * btr.dbrp();`
	`753`	`+ let tcdo = btr.dtseg1().saturating_mul(btr.dbrp());`
	`754`	`+ let tcdo = core::cmp::min(tcdo, 127);`
`754`	`755`	`can.tdcr.write(\|w\| unsafe { w.tdco().bits(tcdo) });`
`755`	`756`	`}`
`756`	`757`	`can.dbtp.write(\|w\| unsafe {`