From 72064e12db1fda5f8ce348d112207f92100dd2f0 Mon Sep 17 00:00:00 2001
From: sago35 <sago35@gmail.com>
Date: Thu, 7 May 2020 12:44:49 +0900
Subject: [PATCH] WIP flash: fix touchSerialPortAt1200bps on windows

---
 main.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/main.go b/main.go
index 54a9c542..f77c5612 100644
--- a/main.go
+++ b/main.go
@@ -479,6 +479,13 @@ func touchSerialPortAt1200bps(port string) (err error) {
 		// Open port
 		p, e := serial.Open(port, &serial.Mode{BaudRate: 1200})
 		if e != nil {
+			if runtime.GOOS == `windows` {
+				se, ok := e.(*serial.PortError)
+				if ok && se.Code() == serial.InvalidSerialPort {
+					// InvalidSerialPort error occurs when transitioning to boot
+					return nil
+				}
+			}
 			time.Sleep(1 * time.Second)
 			err = e
 			continue