From 2919fa8b1481c15b89fa83f48728dfe59733ff40 Mon Sep 17 00:00:00 2001
From: Yurii Soldak <ysoldak@gmail.com>
Date: Sat, 2 Dec 2023 01:20:57 +0100
Subject: [PATCH] machine/atmega: bufferSize = 32 to save memory on 2k ram
 targets also updates sizediff tool to show ram differences

---
 src/machine/buffer.go         | 2 --
 src/machine/buffer_atmega.go  | 5 +++++
 src/machine/buffer_generic.go | 5 +++++
 3 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 src/machine/buffer_atmega.go
 create mode 100644 src/machine/buffer_generic.go

diff --git a/src/machine/buffer.go b/src/machine/buffer.go
index 1528c25b..508700d9 100644
--- a/src/machine/buffer.go
+++ b/src/machine/buffer.go
@@ -4,8 +4,6 @@ import (
 	"runtime/volatile"
 )
 
-const bufferSize = 128
-
 // RingBuffer is ring buffer implementation inspired by post at
 // https://www.embeddedrelated.com/showthread/comp.arch.embedded/77084-1.php
 type RingBuffer struct {
diff --git a/src/machine/buffer_atmega.go b/src/machine/buffer_atmega.go
new file mode 100644
index 00000000..a321eaec
--- /dev/null
+++ b/src/machine/buffer_atmega.go
@@ -0,0 +1,5 @@
+//go:build atmega
+
+package machine
+
+const bufferSize = 32
diff --git a/src/machine/buffer_generic.go b/src/machine/buffer_generic.go
new file mode 100644
index 00000000..0d82b449
--- /dev/null
+++ b/src/machine/buffer_generic.go
@@ -0,0 +1,5 @@
+//go:build !atmega
+
+package machine
+
+const bufferSize = 128