From 680801120af1dd55e59ae8e0ef87bb3c84369312 Mon Sep 17 00:00:00 2001
From: taehoon <taehoon@falinux.com>
Date: Thu, 5 Nov 2020 17:43:41 +0900
Subject: [PATCH] =?UTF-8?q?LS=EC=82=B0=EC=A0=84=20=EC=8B=9C=EB=A6=AC?=
=?UTF-8?q?=EC=96=BC=20=ED=85=8C=EC=8A=A4=ED=8A=B8=20=ED=94=84=EB=A1=9C?=
=?UTF-8?q?=EA=B7=B8=EB=9E=A8=20=EC=B6=94=EA=B0=80?=
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---
go/src/lsis/serial.go | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
create mode 100644 go/src/lsis/serial.go
diff --git a/go/src/lsis/serial.go b/go/src/lsis/serial.go
new file mode 100644
index 0000000..40d33fe
--- /dev/null
+++ b/go/src/lsis/serial.go
@@ -0,0 +1,73 @@
+package main
+
+import (
+ "log"
+ "os"
+
+ "github.com/tarm/serial"
+)
+
+func main() {
+ w()
+ r()
+}
+
+func r() {
+ p, err := serial.OpenPort(&serial.Config{
+ Name: "/dev/ttyUSB1",
+ Baud: 230400,
+ })
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ b := make([]byte, 16)
+ t := 0
+ for {
+ n, err := p.Read(b)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ t += n
+ log.Print(t)
+ if t >= 1024*1024 {
+ break
+ }
+ }
+}
+
+func w() {
+ f, err := os.OpenFile("/dev/zero", os.O_RDONLY, 666)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ p, err := serial.OpenPort(&serial.Config{
+ Name: "/dev/ttyUSB1",
+ Baud: 230400,
+ })
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ b := make([]byte, 16)
+ t := 0
+ for {
+ n, err := f.Read(b)
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ _, err = p.Write(b[:n])
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ t += n
+ log.Print(t)
+ if t >= 1024*1024+1024 {
+ break
+ }
+ }
+}
--
2.1.4