From 33afb49859e07fad1a97514176d95530dd837ee8 Mon Sep 17 00:00:00 2001
From: Torsten Harenberg <torsten@dl1thm.de>
Date: Mon, 6 Dec 2021 00:21:26 +0100
Subject: [PATCH] Erster Test

---
 .idea/.gitignore       |  8 +++++++
 .idea/go-scsupdate.iml |  9 +++++++
 .idea/modules.xml      |  8 +++++++
 .idea/vcs.xml          |  6 +++++
 go.mod                 |  5 ++++
 go.sum                 |  2 ++
 main.go                |  5 ++++
 usb.go                 | 54 ++++++++++++++++++++++++++++++++++++++++++
 8 files changed, 97 insertions(+)
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/go-scsupdate.iml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/vcs.xml
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 main.go
 create mode 100644 usb.go

diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/go-scsupdate.iml b/.idea/go-scsupdate.iml
new file mode 100644
index 0000000..5e764c4
--- /dev/null
+++ b/.idea/go-scsupdate.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..20d488e
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/go-scsupdate.iml" filepath="$PROJECT_DIR$/.idea/go-scsupdate.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..0e0dfd9
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module go-scsupdate
+
+go 1.17
+
+require github.com/google/gousb v1.1.1
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..1e79240
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/google/gousb v1.1.1 h1:2sjwXlc0PIBgDnXtNxUrHcD/RRFOmAtRq4QgnFBE6xc=
+github.com/google/gousb v1.1.1/go.mod h1:b3uU8itc6dHElt063KJobuVtcKHWEfFOysOqBNzHhLY=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..c46fc26
--- /dev/null
+++ b/main.go
@@ -0,0 +1,5 @@
+package main
+
+func main() {
+	lsusb()
+}
diff --git a/usb.go b/usb.go
new file mode 100644
index 0000000..81c5122
--- /dev/null
+++ b/usb.go
@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/google/gousb"
+	"github.com/google/gousb/usbid"
+)
+
+/*
+ USB Product IDs of the SCS devices:
+    0xD010 SCS PTC-IIusb
+    0xD011 SCS Tracker / DSP TNC
+    0xD012 SCS P4dragon DR-7800
+    0xD013 SCS P4dragon DR-7400
+    0xD014 - not used
+    0xD015 SCS PTC-IIIusb
+    0xD016 - not used
+    0xD017 - not used
+*/
+
+func lsusb() {
+	// Only one context should be needed for an application.  It should always be closed.
+	ctx := gousb.NewContext()
+	defer ctx.Close()
+
+	// OpenDevices is used to find the devices to open.
+	devs, err := ctx.OpenDevices(func(desc *gousb.DeviceDesc) bool {
+		// The usbid package can be used to print out human readable information.
+		fmt.Printf("%03d.%03d %s:%s %s\n", desc.Bus, desc.Address, desc.Vendor, desc.Product, usbid.Describe(desc))
+		fmt.Printf("  Protocol: %s\n", usbid.Classify(desc))
+		fmt.Println(desc.Configs)
+		return false
+	})
+
+	// All Devices returned from OpenDevices must be closed.
+	defer func() {
+		for _, d := range devs {
+			d.Close()
+		}
+	}()
+
+	// OpenDevices can occasionally fail, so be sure to check its return value.
+	if err != nil {
+		log.Fatalf("list: %s", err)
+	}
+
+	for _, dev := range devs {
+		// Once the device has been selected from OpenDevices, it is opened
+		// and can be interacted with.
+		_ = dev
+	}
+}