From e019ee8e002f9ff1cbb93d2673e14df7df416120 Mon Sep 17 00:00:00 2001
From: Uri Shaked
Date: Fri, 16 Jul 2021 00:39:30 +0300
Subject: fix(usart): tx / rx complete timing

fix the calculation of cyclesPerChar, which is used to determine when a USART RX/TX operation is marked complete.
---
 src/peripherals/usart.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/peripherals')

diff --git a/src/peripherals/usart.ts b/src/peripherals/usart.ts
index 3ad787d..81451ba 100644
--- a/src/peripherals/usart.ts
+++ b/src/peripherals/usart.ts
@@ -210,7 +210,7 @@ export class AVRUSART {
 
   private get cyclesPerChar() {
     const symbolsPerChar = 1 + this.bitsPerChar + this.stopBits + (this.parityEnabled ? 1 : 0);
-    return (this.UBRR * this.multiplier + 1) * symbolsPerChar;
+    return (this.UBRR + 1) * this.multiplier * symbolsPerChar;
   }
 
   private get UBRR() {
-- 
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