From 776819ea00502a635581135199035dc08f251a4a Mon Sep 17 00:00:00 2001
From: Terekhin Alexandr <alex@bearns.me>
Date: Sun, 6 Aug 2023 18:22:56 +0300
Subject: [PATCH] Reuse redraws to decrease cpu load

---
 can/can.go | 3 ++-
 cli-mon.go | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/can/can.go b/can/can.go
index bdf185b..c812f61 100644
--- a/can/can.go
+++ b/can/can.go
@@ -36,6 +36,7 @@ const CAN_ID_06C = 0x06C
 const CAN_ID_061 = 0x061
 const CAN_ID_062 = 0x062
 const CAN_ID_065 = 0x065
+const bufferSize = 100
 
 type CanFrame struct {
 	CanId   uint32
@@ -159,7 +160,7 @@ func StartCan(canbus string) (<-chan *CanFrame, error) {
 
 		if cerr := socket.Bind(canbus, filter); cerr == nil {
 
-			canevents := make(chan *CanFrame)
+			canevents := make(chan *CanFrame, bufferSize)
 
 			go func() {
 				defer close(canevents)
diff --git a/cli-mon.go b/cli-mon.go
index 26f433e..1801a31 100644
--- a/cli-mon.go
+++ b/cli-mon.go
@@ -52,7 +52,7 @@ func main() {
 
 	display.Start()
 
-	updates := make(chan *yabl.Event)
+	updates := make(chan *yabl.Event, 1000)
 
 	var f func()
 	f = func() {