Merge pull request #202 from ctarsjp/win-port-enum

Fix (non-detailed) port enumeration on Windows
Windows: added a check for \\.\ prefix
2025-03-28 15:54:19 +01:00 · 2025-03-28 16:42:18 +09:00 · 2025-03-28 16:28:13 +09:00 · 2025-03-17 17:24:34 +01:00 · 2025-03-17 10:57:21 +01:00 · 2025-03-13 01:00:39 +01:00
43 changed files with 401 additions and 471 deletions
--- a/.github/ISSUE_TEMPLATE/bug-report.yml
+++ b/.github/ISSUE_TEMPLATE/bug-report.yml
@@ -0,0 +1,78 @@
+# Source: https://github.com/arduino/tooling-project-assets/blob/main/issue-templates/forms/platform-dependent/bug-report.yml
+# See: https://docs.github.com/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-issue-forms
+
+name: Bug report
+description: Report a problem with the code or documentation in this repository.
+labels:
+  - bug
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the problem
+    validations:
+      required: true
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: To reproduce
+      description: |
+        Provide the specific set of steps we can follow to reproduce the
+        problem in particular the exact golang source code you used.
+    validations:
+      required: true
+  - type: checkboxes
+    id: checklist-reproduce
+    attributes:
+      label: |
+        Please double-check that you have reported each of the following
+        before submitting the issue.
+      options:
+        - label: I've provided the FULL source code that causes the problem
+          required: true
+        - label: I've provided all the actions required to reproduce the problem
+          required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      description: |
+        What would you expect to happen after following those instructions?
+    validations:
+      required: true
+  - type: input
+    id: os
+    attributes:
+      label: Operating system and version
+      description: |
+        Which operating system(s) version are you using on your computer?
+    validations:
+      required: true
+  - type: textarea
+    id: boards
+    attributes:
+      label: Please describe your hardware setup
+      description: |
+        Arduino boards, USB dongles, hubs or embedded devices you are using and how they
+        are connected together.
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional context
+      description: |
+        Add here any additional information that you think might be relevant to
+        the problem.
+    validations:
+      required: false
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Issue checklist
+      description: |
+        Please double-check that you have done each of the following things before
+        submitting the issue.
+      options:
+        - label: I searched for previous requests in [the issue tracker](https://github.com/bugst/go-serial/issues)
+          required: true
+        - label: My request contains all necessary details
+          required: true
--- a/.github/ISSUE_TEMPLATE/feature-request.yml
+++ b/.github/ISSUE_TEMPLATE/feature-request.yml
@@ -0,0 +1,29 @@
+# Source: https://github.com/arduino/tooling-project-assets/blob/main/issue-templates/forms/platform-dependent/feature-request.yml
+# See: https://docs.github.com/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-issue-forms
+
+name: Feature request
+description: Suggest an enhancement to this project.
+labels:
+  - "type: enhancement"
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the new feature or change suggestion
+    validations:
+      required: true
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional context
+      description: Add any additional information about the feature request here.
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Issue checklist
+      description: Please double-check that you have done each of the following things before submitting the issue.
+      options:
+        - label: I searched for previous requests in [the issue tracker](https://github.com/bugst/go-serial/issues)
+          required: true
+        - label: My request contains all necessary details
+          required: true
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -15,13 +15,22 @@ jobs:
    runs-on: ${{ matrix.os }}

    steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-go@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
        with:
-          go-version: "1.17"
-      - name: Build native
+          go-version: "1.22"
+      - name: Setup CGO Environment
+        run: |
+          if [ ${{ matrix.os }} == 'macOS-latest' ] ; then
+            echo "CGO_ENABLED=1" >> "$GITHUB_ENV"
+          fi
+        shell: bash
+      - name: Build AMD64
        run: GOARCH=amd64 go build -v ./...
        shell: bash
+      - name: Build ARM64
+        run: GOARCH=arm64 go build -v ./...
+        shell: bash
      - name: Install socat
        if: matrix.os == 'ubuntu-latest'
        run: sudo apt-get install socat
@@ -51,10 +60,10 @@ jobs:
    runs-on: "ubuntu-latest"

    steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-go@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
        with:
-          go-version: "1.17"
+          go-version: "1.22"
      - name: Cross-build
        run: |
          set ${{ matrix.go-os-pairs }}
--- a/2
+++ b/2
@@ -1,5 +1,5 @@

-Copyright (c) 2014-2023, Cristian Maglie.
+Copyright (c) 2014-2024, Cristian Maglie.
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
--- a/README.md
+++ b/README.md
@@ -2,17 +2,17 @@

 # go.bug.st/serial

-A cross-platform serial library for go-lang.
+A cross-platform serial port library for Go.

 ## Documentation and examples

-See the godoc here: https://godoc.org/go.bug.st/serial
+See the package documentation here: https://pkg.go.dev/go.bug.st/serial

 ## go.mod transition

-This library now support `go.mod` with the import `go.bug.st/serial`.
+This library supports `go.mod` with the import `go.bug.st/serial`.

-If you came from the pre-`go.mod` era please update your import paths from `go.bug.st/serial.v1` to `go.bug.st/serial` to receive new updates. Anyway, the latest `v1` release should still be avaiable using the old import.
+If you came from the pre-`go.mod` era please update your import paths from `go.bug.st/serial.v1` to `go.bug.st/serial` to receive updates. The latest `v1` release is still available using the old import path.

 ## Credits

@@ -20,7 +20,7 @@ If you came from the pre-`go.mod` era please update your import paths from `go.b

 ## License

-The software is release under a [BSD 3-clause license]
+This software is released under the [BSD 3-clause license].

 [contributors]: https://github.com/bugst/go-serial/graphs/contributors
 [BSD 3-clause license]: https://github.com/bugst/go-serial/blob/master/LICENSE
--- a/doc.go
+++ b/doc.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator/doc.go
+++ b/enumerator/doc.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator/enumerator.go
+++ b/enumerator/enumerator.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator/example_getdetailedportlist_test.go
+++ b/enumerator/example_getdetailedportlist_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator/usb_darwin.go
+++ b/enumerator/usb_darwin.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator/usb_freebsd.go
+++ b/enumerator/usb_freebsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator/usb_linux.go
+++ b/enumerator/usb_linux.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator/usb_openbsd.go
+++ b/enumerator/usb_openbsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator/usb_wasm.go
+++ b/enumerator/usb_wasm.go
@@ -0,0 +1,11 @@
+//
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package enumerator
+
+func nativeGetDetailedPortsList() ([]*PortDetails, error) {
+	return nil, &PortEnumerationError{}
+}
--- a/enumerator/usb_windows.go
+++ b/enumerator/usb_windows.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -98,7 +98,7 @@ const (
 	spdrpUpperFilters                            = 0x00000011 // UpperFilters = R/W
 	spdrpLowerFilters                            = 0x00000012 // LowerFilters = R/W
 	spdrpBusTypeGUID                             = 0x00000013 // BusTypeGUID = R
-	spdrpLegactBusType                           = 0x00000014 // LegacyBusType = R
+	spdrpLegacyBusType                           = 0x00000014 // LegacyBusType = R
 	spdrpBusNumber                               = 0x00000015 // BusNumber = R
 	spdrpEnumeratorName                          = 0x00000016 // Enumerator Name = R
 	spdrpSecurity                                = 0x00000017 // Security = R/W, binary form
--- a/enumerator/usb_windows_test.go
+++ b/enumerator/usb_windows_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/enumerator_wasm.go
+++ b/enumerator_wasm.go
@@ -0,0 +1,15 @@
+//
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package serial
+
+import (
+	"errors"
+)
+
+func nativeGetPortsList() ([]string, error) {
+	return nil, errors.New("nativeGetPortsList is not supported on wasm")
+}
--- a/example_getportlist_test.go
+++ b/example_getportlist_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/example_modem_bits_test.go
+++ b/example_modem_bits_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -14,7 +14,7 @@ import (
 	"go.bug.st/serial"
 )

-func ExampleGetSetModemBits() {
+func ExamplePort_GetModemStatusBits() {
 	// Open the first serial port detected at 9600bps N81
 	mode := &serial.Mode{
 		BaudRate: 9600,
--- a/example_serialport_test.go
+++ b/example_serialport_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -13,7 +13,7 @@ import (
 	"go.bug.st/serial"
 )

-func ExampleSerialPort_SetMode() {
+func ExamplePort_SetMode() {
 	port, err := serial.Open("/dev/ttyACM0", &serial.Mode{})
 	if err != nil {
 		log.Fatal(err)
--- a/example_test.go
+++ b/example_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/go.mod
+++ b/go.mod
@@ -4,12 +4,12 @@ go 1.17

 require (
 	github.com/creack/goselect v0.1.2
-	github.com/stretchr/testify v1.7.0
-	golang.org/x/sys v0.0.0-20220829200755-d48e67d00261
+	github.com/stretchr/testify v1.8.4
+	golang.org/x/sys v0.19.0
 )

 require (
-	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,17 +1,21 @@
 github.com/creack/goselect v0.1.2 h1:2DNy14+JPjRBgPzAd1thbQp4BSIihxcBf0IXhQXDRa0=
 github.com/creack/goselect v0.1.2/go.mod h1:a/NhLweNvqIYMuxcMOuWY516Cimucms3DglDzQP3hKY=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf h1:2ucpDCmfkl8Bd/FsLtiD653Wf96cW37s+iGx93zsu4k=
-golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220829200755-d48e67d00261 h1:v6hYoSR9T5oet+pMXwUWkbiVqx/63mlHjefrHmxwfeY=
-golang.org/x/sys v0.0.0-20220829200755-d48e67d00261/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
+golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/portlist/portlist.go
+++ b/portlist/portlist.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -12,7 +12,7 @@
 // Port: /dev/cu.usbmodemFD121
 //    USB ID     2341:8053
 //    USB serial FB7B6060504B5952302E314AFF08191A
-//
+
 package main

 import (
--- a/serial.go
+++ b/serial.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -147,7 +147,7 @@ const (
 	PortNotFound
 	// InvalidSerialPort the requested port is not a serial port
 	InvalidSerialPort
-	// PermissionDenied the user doesn't have enough priviledges
+	// PermissionDenied the user doesn't have enough privileges
 	PermissionDenied
 	// InvalidSpeed the requested speed is not valid or not supported
 	InvalidSpeed
--- a/serial_bsd.go
+++ b/serial_bsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/serial_darwin.go
+++ b/serial_darwin.go
@@ -1,15 +1,20 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //

 package serial

-import "golang.org/x/sys/unix"
+import (
+	"regexp"
+
+	"golang.org/x/sys/unix"
+)

 const devFolder = "/dev"
-const regexFilter = "^(cu|tty)\\..*"
+
+var osPortFilter = regexp.MustCompile("^(cu|tty)\\..*")

 const ioctlTcgetattr = unix.TIOCGETA
 const ioctlTcsetattr = unix.TIOCSETA
--- a/serial_darwin_386.go
+++ b/serial_darwin_386.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/serial_darwin_64.go
+++ b/serial_darwin_64.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/serial_freebsd.go
+++ b/serial_freebsd.go
@@ -1,15 +1,20 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //

 package serial

-import "golang.org/x/sys/unix"
+import (
+	"regexp"
+
+	"golang.org/x/sys/unix"
+)

 const devFolder = "/dev"
-const regexFilter = "^(cu|tty)\\..*"
+
+var osPortFilter = regexp.MustCompile("^(cu|tty)\\..*")

 // termios manipulation functions

--- a/serial_linux.go
+++ b/serial_linux.go
@@ -1,15 +1,20 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //

 package serial

-import "golang.org/x/sys/unix"
+import (
+	"regexp"
+
+	"golang.org/x/sys/unix"
+)

 const devFolder = "/dev"
-const regexFilter = "(ttyS|ttyHS|ttyUSB|ttyACM|ttyAMA|rfcomm|ttyO|ttymxc)[0-9]{1,3}"
+
+var osPortFilter = regexp.MustCompile("(ttyS|ttyHS|ttyUSB|ttyACM|ttyAMA|rfcomm|ttyO|ttymxc)[0-9]{1,3}")

 // termios manipulation functions

--- a/serial_linux_test.go
+++ b/serial_linux_test.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/serial_openbsd.go
+++ b/serial_openbsd.go
@@ -1,15 +1,20 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //

 package serial

-import "golang.org/x/sys/unix"
+import (
+	"regexp"
+
+	"golang.org/x/sys/unix"
+)

 const devFolder = "/dev"
-const regexFilter = "^(cu|tty)\\..*"
+
+var osPortFilter = regexp.MustCompile("^(cu|tty)\\..*")

 // termios manipulation functions

--- a/serial_resetbuf_linux_bsd.go
+++ b/serial_resetbuf_linux_bsd.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/serial_specialbaudrate_linux.go
+++ b/serial_specialbaudrate_linux.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/serial_specialbaudrate_linux_ppc64le.go
+++ b/serial_specialbaudrate_linux_ppc64le.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/serial_unix.go
+++ b/serial_unix.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -10,8 +10,7 @@ package serial

 import (
 	"fmt"
-	"io/ioutil"
-	"regexp"
+	"os"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -242,7 +241,7 @@ func nativeOpen(portName string, mode *Mode) (*unixPort, error) {
 	// Explicitly disable RTS/CTS flow control
 	setTermSettingsCtsRts(false, settings)

-	if port.setTermSettings(settings) != nil {
+	if err = port.setTermSettings(settings); err != nil {
 		port.Close()
 		return nil, &PortError{code: InvalidSerialPort, causedBy: fmt.Errorf("error setting term settings: %w", err)}
 	}
@@ -292,16 +291,12 @@ func nativeOpen(portName string, mode *Mode) (*unixPort, error) {
 }

 func nativeGetPortsList() ([]string, error) {
-	files, err := ioutil.ReadDir(devFolder)
+	files, err := os.ReadDir(devFolder)
 	if err != nil {
 		return nil, err
 	}

 	ports := make([]string, 0, len(files))
-	regex, err := regexp.Compile(regexFilter)
-	if err != nil {
-		return nil, err
-	}
 	for _, f := range files {
 		// Skip folders
 		if f.IsDir() {
@@ -309,7 +304,7 @@ func nativeGetPortsList() ([]string, error) {
 		}

 		// Keep only devices with the correct name
-		if !regex.MatchString(f.Name()) {
+		if !osPortFilter.MatchString(f.Name()) {
 			continue
 		}

--- a/serial_wasm.go
+++ b/serial_wasm.go
@@ -0,0 +1,15 @@
+//
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+package serial
+
+import (
+	"errors"
+)
+
+func nativeOpen(portName string, mode *Mode) (Port, error) {
+	return nil, errors.New("nativeOpen is not supported on wasm")
+}
--- a/serial_windows.go
+++ b/serial_windows.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -18,48 +18,50 @@ package serial
 */

 import (
+	"errors"
+	"strings"
 	"sync"
 	"syscall"
 	"time"
+
+	"golang.org/x/sys/windows"
+	"golang.org/x/sys/windows/registry"
 )

 type windowsPort struct {
 	mu         sync.Mutex
-	handle syscall.Handle
+	handle     windows.Handle
+	hasTimeout bool
 }

 func nativeGetPortsList() ([]string, error) {
-	subKey, err := syscall.UTF16PtrFromString("HARDWARE\\DEVICEMAP\\SERIALCOMM\\")
+	key, err := registry.OpenKey(windows.HKEY_LOCAL_MACHINE, `HARDWARE\DEVICEMAP\SERIALCOMM\`, windows.KEY_READ)
+	switch {
+	case errors.Is(err, syscall.ERROR_FILE_NOT_FOUND):
+		// On machines with no serial ports the registry key does not exist.
+		// Return this as no serial ports instead of an error.
+		return nil, nil
+	case err != nil:
+		return nil, &PortError{code: ErrorEnumeratingPorts, causedBy: err}
+	}
+	defer key.Close()
+
+	names, err := key.ReadValueNames(0)
 	if err != nil {
-		return nil, &PortError{code: ErrorEnumeratingPorts}
+		return nil, &PortError{code: ErrorEnumeratingPorts, causedBy: err}
 	}

-	var h syscall.Handle
-	if err := syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, subKey, 0, syscall.KEY_READ, &h); err != nil {
-		if errno, isErrno := err.(syscall.Errno); isErrno && errno == syscall.ERROR_FILE_NOT_FOUND {
-			return []string{}, nil
-		}
-		return nil, &PortError{code: ErrorEnumeratingPorts}
-	}
-	defer syscall.RegCloseKey(h)
-
-	var valuesCount uint32
-	if syscall.RegQueryInfoKey(h, nil, nil, nil, nil, nil, nil, &valuesCount, nil, nil, nil, nil) != nil {
-		return nil, &PortError{code: ErrorEnumeratingPorts}
+	var values []string
+	for _, n := range names {
+		v, _, err := key.GetStringValue(n)
+		if err != nil || v == "" {
+			continue
 		}

-	list := make([]string, valuesCount)
-	for i := range list {
-		var data [1024]uint16
-		dataSize := uint32(len(data))
-		var name [1024]uint16
-		nameSize := uint32(len(name))
-		if regEnumValue(h, uint32(i), &name[0], &nameSize, nil, nil, &data[0], &dataSize) != nil {
-			return nil, &PortError{code: ErrorEnumeratingPorts}
+		values = append(values, v)
 	}
-		list[i] = syscall.UTF16ToString(data[:])
-	}
-	return list, nil
+
+	return values, nil
 }

 func (port *windowsPort) Close() error {
@@ -71,7 +73,7 @@ func (port *windowsPort) Close() error {
 	if port.handle == 0 {
 		return nil
 	}
-	return syscall.CloseHandle(port.handle)
+	return windows.CloseHandle(port.handle)
 }

 func (port *windowsPort) Read(p []byte) (int, error) {
@@ -80,16 +82,17 @@ func (port *windowsPort) Read(p []byte) (int, error) {
 	if err != nil {
 		return 0, err
 	}
-	defer syscall.CloseHandle(ev.HEvent)
+	defer windows.CloseHandle(ev.HEvent)

-	err = syscall.ReadFile(port.handle, p, &readed, ev)
-	if err == syscall.ERROR_IO_PENDING {
-		err = getOverlappedResult(port.handle, ev, &readed, true)
+	for {
+		err = windows.ReadFile(port.handle, p, &readed, ev)
+		if err == windows.ERROR_IO_PENDING {
+			err = windows.GetOverlappedResult(port.handle, ev, &readed, true)
 		}
 		switch err {
 		case nil:
 			// operation completed successfully
-	case syscall.ERROR_OPERATION_ABORTED:
+		case windows.ERROR_OPERATION_ABORTED:
 			// port may have been closed
 			return int(readed), &PortError{code: PortClosed, causedBy: err}
 		default:
@@ -101,8 +104,14 @@ func (port *windowsPort) Read(p []byte) (int, error) {
 		}

 		// Timeout
+		port.mu.Lock()
+		hasTimeout := port.hasTimeout
+		port.mu.Unlock()
+		if hasTimeout {
 			return 0, nil
 		}
+	}
+}

 func (port *windowsPort) Write(p []byte) (int, error) {
 	var writed uint32
@@ -110,32 +119,25 @@ func (port *windowsPort) Write(p []byte) (int, error) {
 	if err != nil {
 		return 0, err
 	}
-	defer syscall.CloseHandle(ev.HEvent)
-	err = syscall.WriteFile(port.handle, p, &writed, ev)
-	if err == syscall.ERROR_IO_PENDING {
+	defer windows.CloseHandle(ev.HEvent)
+	err = windows.WriteFile(port.handle, p, &writed, ev)
+	if err == windows.ERROR_IO_PENDING {
 		// wait for write to complete
-		err = getOverlappedResult(port.handle, ev, &writed, true)
+		err = windows.GetOverlappedResult(port.handle, ev, &writed, true)
 	}
 	return int(writed), err
 }

 func (port *windowsPort) Drain() (err error) {
-	return syscall.FlushFileBuffers(port.handle)
+	return windows.FlushFileBuffers(port.handle)
 }

-const (
-	purgeRxAbort uint32 = 0x0002
-	purgeRxClear        = 0x0008
-	purgeTxAbort        = 0x0001
-	purgeTxClear        = 0x0004
-)
-
 func (port *windowsPort) ResetInputBuffer() error {
-	return purgeComm(port.handle, purgeRxClear|purgeRxAbort)
+	return windows.PurgeComm(port.handle, windows.PURGE_RXCLEAR|windows.PURGE_RXABORT)
 }

 func (port *windowsPort) ResetOutputBuffer() error {
-	return purgeComm(port.handle, purgeTxClear|purgeTxAbort)
+	return windows.PurgeComm(port.handle, windows.PURGE_TXCLEAR|windows.PURGE_TXABORT)
 }

 const (
@@ -152,119 +154,44 @@ const (
 	dcbInX                          = 0x00000200
 	dcbErrorChar                    = 0x00000400
 	dcbNull                         = 0x00000800
-	dcbRTSControlDisbaleMask        = ^uint32(0x00003000)
+	dcbRTSControlDisableMask        = ^uint32(0x00003000)
 	dcbRTSControlEnable             = 0x00001000
 	dcbRTSControlHandshake          = 0x00002000
 	dcbRTSControlToggle             = 0x00003000
 	dcbAbortOnError                 = 0x00004000
 )

-type dcb struct {
-	DCBlength uint32
-	BaudRate  uint32
-
-	// Flags field is a bitfield
-	//  fBinary            :1
-	//  fParity            :1
-	//  fOutxCtsFlow       :1
-	//  fOutxDsrFlow       :1
-	//  fDtrControl        :2
-	//  fDsrSensitivity    :1
-	//  fTXContinueOnXoff  :1
-	//  fOutX              :1
-	//  fInX               :1
-	//  fErrorChar         :1
-	//  fNull              :1
-	//  fRtsControl        :2
-	//  fAbortOnError      :1
-	//  fDummy2            :17
-	Flags uint32
-
-	wReserved  uint16
-	XonLim     uint16
-	XoffLim    uint16
-	ByteSize   byte
-	Parity     byte
-	StopBits   byte
-	XonChar    byte
-	XoffChar   byte
-	ErrorChar  byte
-	EOFChar    byte
-	EvtChar    byte
-	wReserved1 uint16
-}
-
-type commTimeouts struct {
-	ReadIntervalTimeout         uint32
-	ReadTotalTimeoutMultiplier  uint32
-	ReadTotalTimeoutConstant    uint32
-	WriteTotalTimeoutMultiplier uint32
-	WriteTotalTimeoutConstant   uint32
-}
-
-const (
-	noParity    = 0
-	oddParity   = 1
-	evenParity  = 2
-	markParity  = 3
-	spaceParity = 4
-)
-
 var parityMap = map[Parity]byte{
-	NoParity:    noParity,
-	OddParity:   oddParity,
-	EvenParity:  evenParity,
-	MarkParity:  markParity,
-	SpaceParity: spaceParity,
+	NoParity:    windows.NOPARITY,
+	OddParity:   windows.ODDPARITY,
+	EvenParity:  windows.EVENPARITY,
+	MarkParity:  windows.MARKPARITY,
+	SpaceParity: windows.SPACEPARITY,
 }

-const (
-	oneStopBit   = 0
-	one5StopBits = 1
-	twoStopBits  = 2
-)
-
 var stopBitsMap = map[StopBits]byte{
-	OneStopBit:           oneStopBit,
-	OnePointFiveStopBits: one5StopBits,
-	TwoStopBits:          twoStopBits,
+	OneStopBit:           windows.ONESTOPBIT,
+	OnePointFiveStopBits: windows.ONE5STOPBITS,
+	TwoStopBits:          windows.TWOSTOPBITS,
 }

-const (
-	commFunctionSetXOFF  = 1
-	commFunctionSetXON   = 2
-	commFunctionSetRTS   = 3
-	commFunctionClrRTS   = 4
-	commFunctionSetDTR   = 5
-	commFunctionClrDTR   = 6
-	commFunctionSetBreak = 8
-	commFunctionClrBreak = 9
-)
-
-const (
-	msCTSOn  = 0x0010
-	msDSROn  = 0x0020
-	msRingOn = 0x0040
-	msRLSDOn = 0x0080
-)
-
 func (port *windowsPort) SetMode(mode *Mode) error {
-	params := dcb{}
-	if getCommState(port.handle, &params) != nil {
+	params := windows.DCB{}
+	if windows.GetCommState(port.handle, &params) != nil {
 		port.Close()
 		return &PortError{code: InvalidSerialPort}
 	}
 	port.setModeParams(mode, &params)
-	if setCommState(port.handle, &params) != nil {
+	if windows.SetCommState(port.handle, &params) != nil {
 		port.Close()
 		return &PortError{code: InvalidSerialPort}
 	}
 	return nil
 }

-func (port *windowsPort) setModeParams(mode *Mode, params *dcb) {
+func (port *windowsPort) setModeParams(mode *Mode, params *windows.DCB) {
 	if mode.BaudRate == 0 {
-		params.BaudRate = 9600 // Default to 9600
+		params.BaudRate = windows.CBR_9600 // Default to 9600
 	} else {
 		params.BaudRate = uint32(mode.BaudRate)
 	}
@@ -278,22 +205,22 @@ func (port *windowsPort) setModeParams(mode *Mode, params *dcb) {
 }

 func (port *windowsPort) SetDTR(dtr bool) error {
-	// Like for RTS there are problems with the escapeCommFunction
+	// Like for RTS there are problems with the windows.EscapeCommFunction
 	// observed behaviour was that DTR is set from false -> true
 	// when setting RTS from true -> false
 	// 1) Connect 		-> RTS = true 	(low) 	DTR = true 	(low) 	OKAY
-	// 2) SetDTR(false) -> RTS = true 	(low) 	DTR = false (heigh)	OKAY
-	// 3) SetRTS(false)	-> RTS = false 	(heigh)	DTR = true 	(low) 	ERROR: DTR toggled
+	// 2) SetDTR(false) -> RTS = true 	(low) 	DTR = false (high)	OKAY
+	// 3) SetRTS(false)	-> RTS = false 	(high)	DTR = true 	(low) 	ERROR: DTR toggled
 	//
 	// In addition this way the CommState Flags are not updated
 	/*
-		var res bool
+		var err error
 		if dtr {
-			res = escapeCommFunction(port.handle, commFunctionSetDTR)
+			err = windows.EscapeCommFunction(port.handle, windows.SETDTR)
 		} else {
-			res = escapeCommFunction(port.handle, commFunctionClrDTR)
+			err = windows.EscapeCommFunction(port.handle, windows.CLTDTR)
 		}
-		if !res {
+		if err != nil {
 			return &PortError{}
 		}
 		return nil
@@ -301,15 +228,15 @@ func (port *windowsPort) SetDTR(dtr bool) error {

 	// The following seems a more reliable way to do it

-	params := &dcb{}
-	if err := getCommState(port.handle, params); err != nil {
+	params := &windows.DCB{}
+	if err := windows.GetCommState(port.handle, params); err != nil {
 		return &PortError{causedBy: err}
 	}
 	params.Flags &= dcbDTRControlDisableMask
 	if dtr {
-		params.Flags |= dcbDTRControlEnable
+		params.Flags |= windows.DTR_CONTROL_ENABLE
 	}
-	if err := setCommState(port.handle, params); err != nil {
+	if err := windows.SetCommState(port.handle, params); err != nil {
 		return &PortError{causedBy: err}
 	}

@@ -325,13 +252,13 @@ func (port *windowsPort) SetRTS(rts bool) error {
 	// In addition this way the CommState Flags are not updated

 	/*
-		var res bool
+		var err error
 		if rts {
-			res = escapeCommFunction(port.handle, commFunctionSetRTS)
+			err = windows.EscapeCommFunction(port.handle, windows.SETRTS)
 		} else {
-			res = escapeCommFunction(port.handle, commFunctionClrRTS)
+			err = windows.EscapeCommFunction(port.handle, windows.CLRRTS)
 		}
-		if !res {
+		if err != nil {
 			return &PortError{}
 		}
 		return nil
@@ -339,15 +266,15 @@ func (port *windowsPort) SetRTS(rts bool) error {

 	// The following seems a more reliable way to do it

-	params := &dcb{}
-	if err := getCommState(port.handle, params); err != nil {
+	params := &windows.DCB{}
+	if err := windows.GetCommState(port.handle, params); err != nil {
 		return &PortError{causedBy: err}
 	}
-	params.Flags &= dcbRTSControlDisbaleMask
+	params.Flags &= dcbRTSControlDisableMask
 	if rts {
-		params.Flags |= dcbRTSControlEnable
+		params.Flags |= windows.RTS_CONTROL_ENABLE
 	}
-	if err := setCommState(port.handle, params); err != nil {
+	if err := windows.SetCommState(port.handle, params); err != nil {
 		return &PortError{causedBy: err}
 	}
 	return nil
@@ -355,22 +282,31 @@ func (port *windowsPort) SetRTS(rts bool) error {

 func (port *windowsPort) GetModemStatusBits() (*ModemStatusBits, error) {
 	var bits uint32
-	if !getCommModemStatus(port.handle, &bits) {
+	if err := windows.GetCommModemStatus(port.handle, &bits); err != nil {
 		return nil, &PortError{}
 	}
 	return &ModemStatusBits{
-		CTS: (bits & msCTSOn) != 0,
-		DCD: (bits & msRLSDOn) != 0,
-		DSR: (bits & msDSROn) != 0,
-		RI:  (bits & msRingOn) != 0,
+		CTS: (bits & windows.EV_CTS) != 0,
+		DCD: (bits & windows.EV_RLSD) != 0,
+		DSR: (bits & windows.EV_DSR) != 0,
+		RI:  (bits & windows.EV_RING) != 0,
 	}, nil
 }

 func (port *windowsPort) SetReadTimeout(timeout time.Duration) error {
-	commTimeouts := &commTimeouts{
+	// This is a brutal hack to make the CH340 chipset work properly.
+	// Normally this value should be 0xFFFFFFFE but, after a lot of
+	// tinkering, I discovered that any value with the highest
+	// bit set will make the CH340 driver behave like the timeout is 0,
+	// in the best cases leading to a spinning loop...
+	// (could this be a wrong signed vs unsigned conversion in the driver?)
+	// https://github.com/arduino/serial-monitor/issues/112
+	const MaxReadTotalTimeoutConstant = 0x7FFFFFFE
+
+	commTimeouts := &windows.CommTimeouts{
 		ReadIntervalTimeout:         0xFFFFFFFF,
 		ReadTotalTimeoutMultiplier:  0xFFFFFFFF,
-		ReadTotalTimeoutConstant:    0xFFFFFFFE,
+		ReadTotalTimeoutConstant:    MaxReadTotalTimeoutConstant,
 		WriteTotalTimeoutConstant:   0,
 		WriteTotalTimeoutMultiplier: 0,
 	}
@@ -379,53 +315,63 @@ func (port *windowsPort) SetReadTimeout(timeout time.Duration) error {
 		if ms > 0xFFFFFFFE || ms < 0 {
 			return &PortError{code: InvalidTimeoutValue}
 		}
+
+		if ms > MaxReadTotalTimeoutConstant {
+			ms = MaxReadTotalTimeoutConstant
+		}
+
 		commTimeouts.ReadTotalTimeoutConstant = uint32(ms)
 	}

-	if err := setCommTimeouts(port.handle, commTimeouts); err != nil {
+	port.mu.Lock()
+	defer port.mu.Unlock()
+	if err := windows.SetCommTimeouts(port.handle, commTimeouts); err != nil {
 		return &PortError{code: InvalidTimeoutValue, causedBy: err}
 	}
+	port.hasTimeout = (timeout != NoTimeout)

 	return nil
 }

 func (port *windowsPort) Break(d time.Duration) error {
-	if err := setCommBreak(port.handle); err != nil {
+	if err := windows.SetCommBreak(port.handle); err != nil {
 		return &PortError{causedBy: err}
 	}

 	time.Sleep(d)

-	if err := clearCommBreak(port.handle); err != nil {
+	if err := windows.ClearCommBreak(port.handle); err != nil {
 		return &PortError{causedBy: err}
 	}

 	return nil
 }

-func createOverlappedEvent() (*syscall.Overlapped, error) {
-	h, err := createEvent(nil, true, false, nil)
-	return &syscall.Overlapped{HEvent: h}, err
+func createOverlappedEvent() (*windows.Overlapped, error) {
+	h, err := windows.CreateEvent(nil, 1, 0, nil)
+	return &windows.Overlapped{HEvent: h}, err
 }

 func nativeOpen(portName string, mode *Mode) (*windowsPort, error) {
-	portName = "\\\\.\\" + portName
-	path, err := syscall.UTF16PtrFromString(portName)
+	if !strings.HasPrefix(portName, `\\.\`) {
+		portName = `\\.\` + portName
+	}
+	path, err := windows.UTF16PtrFromString(portName)
 	if err != nil {
 		return nil, err
 	}
-	handle, err := syscall.CreateFile(
+	handle, err := windows.CreateFile(
 		path,
-		syscall.GENERIC_READ|syscall.GENERIC_WRITE,
+		windows.GENERIC_READ|windows.GENERIC_WRITE,
 		0, nil,
-		syscall.OPEN_EXISTING,
-		syscall.FILE_FLAG_OVERLAPPED,
+		windows.OPEN_EXISTING,
+		windows.FILE_FLAG_OVERLAPPED,
 		0)
 	if err != nil {
 		switch err {
-		case syscall.ERROR_ACCESS_DENIED:
+		case windows.ERROR_ACCESS_DENIED:
 			return nil, &PortError{code: PortBusy}
-		case syscall.ERROR_FILE_NOT_FOUND:
+		case windows.ERROR_FILE_NOT_FOUND:
 			return nil, &PortError{code: PortNotFound}
 		}
 		return nil, err
@@ -436,23 +382,23 @@ func nativeOpen(portName string, mode *Mode) (*windowsPort, error) {
 	}

 	// Set port parameters
-	params := &dcb{}
-	if getCommState(port.handle, params) != nil {
+	params := &windows.DCB{}
+	if windows.GetCommState(port.handle, params) != nil {
 		port.Close()
 		return nil, &PortError{code: InvalidSerialPort}
 	}
 	port.setModeParams(mode, params)
 	params.Flags &= dcbDTRControlDisableMask
-	params.Flags &= dcbRTSControlDisbaleMask
+	params.Flags &= dcbRTSControlDisableMask
 	if mode.InitialStatusBits == nil {
-		params.Flags |= dcbDTRControlEnable
-		params.Flags |= dcbRTSControlEnable
+		params.Flags |= windows.DTR_CONTROL_ENABLE
+		params.Flags |= windows.RTS_CONTROL_ENABLE
 	} else {
 		if mode.InitialStatusBits.DTR {
-			params.Flags |= dcbDTRControlEnable
+			params.Flags |= windows.DTR_CONTROL_ENABLE
 		}
 		if mode.InitialStatusBits.RTS {
-			params.Flags |= dcbRTSControlEnable
+			params.Flags |= windows.RTS_CONTROL_ENABLE
 		}
 	}
 	params.Flags &^= dcbOutXCTSFlow
@@ -468,7 +414,7 @@ func nativeOpen(portName string, mode *Mode) (*windowsPort, error) {
 	params.XoffLim = 512
 	params.XonChar = 17  // DC1
 	params.XoffChar = 19 // C3
-	if setCommState(port.handle, params) != nil {
+	if windows.SetCommState(port.handle, params) != nil {
 		port.Close()
 		return nil, &PortError{code: InvalidSerialPort}
 	}
--- a/syscall_windows.go
+++ b/syscall_windows.go
@@ -1,31 +0,0 @@
-//
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-//
-
-package serial
-
-//sys regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, value *uint16, valueLen *uint32) (regerrno error) = advapi32.RegEnumValueW
-
-//sys getCommState(handle syscall.Handle, dcb *dcb) (err error) = GetCommState
-
-//sys setCommState(handle syscall.Handle, dcb *dcb) (err error) = SetCommState
-
-//sys setCommTimeouts(handle syscall.Handle, timeouts *commTimeouts) (err error) = SetCommTimeouts
-
-//sys escapeCommFunction(handle syscall.Handle, function uint32) (res bool) = EscapeCommFunction
-
-//sys getCommModemStatus(handle syscall.Handle, bits *uint32) (res bool) = GetCommModemStatus
-
-//sys createEvent(eventAttributes *uint32, manualReset bool, initialState bool, name *uint16) (handle syscall.Handle, err error) = CreateEventW
-
-//sys resetEvent(handle syscall.Handle) (err error) = ResetEvent
-
-//sys getOverlappedResult(handle syscall.Handle, overlapEvent *syscall.Overlapped, n *uint32, wait bool) (err error) = GetOverlappedResult
-
-//sys purgeComm(handle syscall.Handle, flags uint32) (err error) = PurgeComm
-
-//sys setCommBreak(handle syscall.Handle) (err error) = SetCommBreak
-
-//sys clearCommBreak(handle syscall.Handle) (err error) = ClearCommBreak
--- a/unixutils/pipe.go
+++ b/unixutils/pipe.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
@@ -40,7 +40,7 @@ func (p *Pipe) ReadFD() int {
 	return p.rd
 }

-// WriteFD returns the flie handle for the write side of the pipe.
+// WriteFD returns the file handle for the write side of the pipe.
 func (p *Pipe) WriteFD() int {
 	if !p.opened {
 		return -1
@@ -48,7 +48,7 @@ func (p *Pipe) WriteFD() int {
 	return p.wr
 }

-// Write to the pipe the content of data. Returns the numbre of bytes written.
+// Write to the pipe the content of data. Returns the number of bytes written.
 func (p *Pipe) Write(data []byte) (int, error) {
 	if !p.opened {
 		return 0, fmt.Errorf("Pipe not opened")
--- a/unixutils/select.go
+++ b/unixutils/select.go
@@ -1,5 +1,5 @@
 //
-// Copyright 2014-2023 Cristian Maglie. All rights reserved.
+// Copyright 2014-2024 Cristian Maglie. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
--- a/zsyscall_windows.go
+++ b/zsyscall_windows.go
@@ -1,161 +0,0 @@
-// Code generated by 'go generate'; DO NOT EDIT.
-
-package serial
-
-import (
-	"syscall"
-	"unsafe"
-
-	"golang.org/x/sys/windows"
-)
-
-var _ unsafe.Pointer
-
-// Do the interface allocations only once for common
-// Errno values.
-const (
-	errnoERROR_IO_PENDING = 997
-)
-
-var (
-	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
-	errERROR_EINVAL     error = syscall.EINVAL
-)
-
-// errnoErr returns common boxed Errno values, to prevent
-// allocations at runtime.
-func errnoErr(e syscall.Errno) error {
-	switch e {
-	case 0:
-		return errERROR_EINVAL
-	case errnoERROR_IO_PENDING:
-		return errERROR_IO_PENDING
-	}
-	// TODO: add more here, after collecting data on the common
-	// error values see on Windows. (perhaps when running
-	// all.bat?)
-	return e
-}
-
-var (
-	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
-	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
-
-	procRegEnumValueW       = modadvapi32.NewProc("RegEnumValueW")
-	procClearCommBreak      = modkernel32.NewProc("ClearCommBreak")
-	procCreateEventW        = modkernel32.NewProc("CreateEventW")
-	procEscapeCommFunction  = modkernel32.NewProc("EscapeCommFunction")
-	procGetCommModemStatus  = modkernel32.NewProc("GetCommModemStatus")
-	procGetCommState        = modkernel32.NewProc("GetCommState")
-	procGetOverlappedResult = modkernel32.NewProc("GetOverlappedResult")
-	procPurgeComm           = modkernel32.NewProc("PurgeComm")
-	procResetEvent          = modkernel32.NewProc("ResetEvent")
-	procSetCommBreak        = modkernel32.NewProc("SetCommBreak")
-	procSetCommState        = modkernel32.NewProc("SetCommState")
-	procSetCommTimeouts     = modkernel32.NewProc("SetCommTimeouts")
-)
-
-func regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, class *uint16, value *uint16, valueLen *uint32) (regerrno error) {
-	r0, _, _ := syscall.Syscall9(procRegEnumValueW.Addr(), 8, uintptr(key), uintptr(index), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(nameLen)), uintptr(unsafe.Pointer(reserved)), uintptr(unsafe.Pointer(class)), uintptr(unsafe.Pointer(value)), uintptr(unsafe.Pointer(valueLen)), 0)
-	if r0 != 0 {
-		regerrno = syscall.Errno(r0)
-	}
-	return
-}
-
-func clearCommBreak(handle syscall.Handle) (err error) {
-	r1, _, e1 := syscall.Syscall(procClearCommBreak.Addr(), 1, uintptr(handle), 0, 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func createEvent(eventAttributes *uint32, manualReset bool, initialState bool, name *uint16) (handle syscall.Handle, err error) {
-	var _p0 uint32
-	if manualReset {
-		_p0 = 1
-	}
-	var _p1 uint32
-	if initialState {
-		_p1 = 1
-	}
-	r0, _, e1 := syscall.Syscall6(procCreateEventW.Addr(), 4, uintptr(unsafe.Pointer(eventAttributes)), uintptr(_p0), uintptr(_p1), uintptr(unsafe.Pointer(name)), 0, 0)
-	handle = syscall.Handle(r0)
-	if handle == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func escapeCommFunction(handle syscall.Handle, function uint32) (res bool) {
-	r0, _, _ := syscall.Syscall(procEscapeCommFunction.Addr(), 2, uintptr(handle), uintptr(function), 0)
-	res = r0 != 0
-	return
-}
-
-func getCommModemStatus(handle syscall.Handle, bits *uint32) (res bool) {
-	r0, _, _ := syscall.Syscall(procGetCommModemStatus.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(bits)), 0)
-	res = r0 != 0
-	return
-}
-
-func getCommState(handle syscall.Handle, dcb *dcb) (err error) {
-	r1, _, e1 := syscall.Syscall(procGetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func getOverlappedResult(handle syscall.Handle, overlapEvent *syscall.Overlapped, n *uint32, wait bool) (err error) {
-	var _p0 uint32
-	if wait {
-		_p0 = 1
-	}
-	r1, _, e1 := syscall.Syscall6(procGetOverlappedResult.Addr(), 4, uintptr(handle), uintptr(unsafe.Pointer(overlapEvent)), uintptr(unsafe.Pointer(n)), uintptr(_p0), 0, 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func purgeComm(handle syscall.Handle, flags uint32) (err error) {
-	r1, _, e1 := syscall.Syscall(procPurgeComm.Addr(), 2, uintptr(handle), uintptr(flags), 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func resetEvent(handle syscall.Handle) (err error) {
-	r1, _, e1 := syscall.Syscall(procResetEvent.Addr(), 1, uintptr(handle), 0, 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func setCommBreak(handle syscall.Handle) (err error) {
-	r1, _, e1 := syscall.Syscall(procSetCommBreak.Addr(), 1, uintptr(handle), 0, 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func setCommState(handle syscall.Handle, dcb *dcb) (err error) {
-	r1, _, e1 := syscall.Syscall(procSetCommState.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(dcb)), 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-func setCommTimeouts(handle syscall.Handle, timeouts *commTimeouts) (err error) {
-	r1, _, e1 := syscall.Syscall(procSetCommTimeouts.Addr(), 2, uintptr(handle), uintptr(unsafe.Pointer(timeouts)), 0)
-	if r1 == 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
Author	SHA1	Message	Date
Cristian Maglie	f0e4a45720	Merge pull request #202 from ctarsjp/win-port-enum Fix (non-detailed) port enumeration on Windows	2025-03-28 15:54:19 +01:00
Stepan	bcb0408701	Windows: added a check for \\.\ prefix	2025-03-28 16:42:18 +09:00
Stepan	5069d66aa2	Windows: fixed port enumeration	2025-03-28 16:28:13 +09:00
Cristian Maglie	3449d2e7f6	Merge pull request #200 from cmaglie/CH340_hack Hack to workaround misbehaving CH340 drivers on Windows	2025-03-17 17:24:34 +01:00
Cristian Maglie	1ff9b6fa9a	If the timeout is set to NoTimeout, make Read wait forever. Otherwise the maximul allowed timeout is 0x7FFFFFFF milliseconds, equivalent to about 24.85 days. This patch will make a transparent repeated read in case this long timeout should ever happen.	2025-03-17 10:57:21 +01:00
Cristian Maglie	7dc6297645	Merge pull request #195 from Dirk007/fix/nilErrorReport Report the actual error instead of nil...	2025-03-13 01:00:39 +01:00
Cristian Maglie	fb4b111d50	Hack for CH340 support	2025-03-12 20:50:56 +01:00
Dirk007	b7483e31a7	Report the actual error instead of nil	2024-09-07 13:26:01 +02:00
Cristian Maglie	0996f840dd	Merge pull request #187 from twpayne/sys-windows Use Windows serial comm functions from golang.org/x/sys/windows	2024-06-25 23:56:14 +02:00
Cristian Maglie	f5a4685ea0	Fixed examples for docs	2024-06-25 23:52:38 +02:00
Tom Payne	56ac2d4e76	Restore check for no detected serial ports on Windows	2024-06-25 11:02:05 +02:00
Tom Payne	1c72447e64	Fix typos Co-authored-by: Cristian Maglie <c.maglie@bug.st>	2024-06-25 10:48:18 +02:00
Tom Payne	45e996e1b0	Use Windows serial comm functions from golang.org/x/sys/windows	2024-06-24 18:28:26 +02:00
Andreas Deininger	0b7848559a	Fix typos (#183 ) Co-authored-by: Cristian Maglie <c.maglie@bug.st>	2024-06-24 17:33:18 +02:00
Cristian Maglie	c18d387887	Merge pull request #184 from deining/gofmt Go-format source code: fix warning	2024-06-24 17:26:52 +02:00
Cristian Maglie	c768d77847	Merge pull request #188 from twpayne/doc-fixes Fixed minor documentation typos	2024-06-24 17:25:22 +02:00
Andreas Deininger	1282f62c6e	Bump GitHub workflow actions to latest versions (#185 ) * Bump GitHub workflow actions to latest versions * Fixed typo --------- Co-authored-by: Cristian Maglie <c.maglie@bug.st>	2024-06-24 17:24:35 +02:00
Cristian Maglie	4f7d935be3	Merge pull request #186 from AndreRenaud/enumerator-build Workflows: Use CGO_ENABLED=1 for MacOS	2024-06-24 17:13:45 +02:00
Andre Renaud	03c961bc8a	Workflows: Use CGO_ENABLED=1 for MacOS Also enable explicit ARM64 builds	2024-05-28 09:27:43 +12:00
Andreas Deininger	671075c6ac	Go-format source code	2024-04-01 16:04:53 +02:00
Tom Payne	bac809c5a1	Fixed minor documentation typos	2024-03-18 22:25:55 +01:00
Cristian Maglie	0925f99089	Merge pull request #176 from paralin/fix-wasm fix: add shims for GOARCH=wasm with GOOS=js and GOOS=wasip1	2024-03-11 19:03:49 +01:00
Christian Stewart	42bc112d18	fix: add shims for GOARCH=wasm with GOOS=js and GOOS=wasip1 Fixes build errors: GOOS=js GOARCH=wasm go build GOOS=wasip1 GOARCH=wasm go build Signed-off-by: Christian Stewart <christian@aperture.us>	2024-03-01 14:26:58 -08:00
Cristian Maglie	259bdeb6c7	Fixed typo	2024-02-20 15:57:58 +01:00
Cristian Maglie	572f392ca9	Updated license year	2024-02-20 15:27:44 +01:00
Cristian Maglie	14e5ea68ce	Precompile port-filter regexp	2024-02-20 15:24:37 +01:00
Cristian Maglie	bcd8695df4	Removed deprecated package io/ioutil	2024-02-20 15:13:12 +01:00
Cristian Maglie	92703ecb02	Improved issue template message	2024-02-20 09:55:49 +01:00
Cristian Maglie	674fbae95a	Upgraded dependencies	2024-02-20 09:52:27 +01:00
Cristian Maglie	2aa105e32e	Improved issue template message	2024-02-20 09:51:06 +01:00
Cristian Maglie	7f490f208a	Added issues templates	2024-02-18 19:33:23 +01:00