From 2bbca6f082b69b20ee137db331b0ce9de4d78822 Mon Sep 17 00:00:00 2001
From: Erik Brakkee <erik@brakkee.org>
Date: Tue, 26 May 2026 15:21:48 +0200
Subject: [PATCH] initial version.

---
 Makefile           | 32 +++++++++++++++++++++++++++++++
 cmd/bridge/main.go | 47 ++++++++++++++++++++++++++++++++++++++++++++++
 go.mod             |  7 +++++++
 go.sum             |  4 ++++
 setup.md           | 31 ++++++++++++++++++++++++++++++
 5 files changed, 121 insertions(+)
 create mode 100644 Makefile
 create mode 100644 cmd/bridge/main.go
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 setup.md

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..af52902
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,32 @@
+.DEFAULT_GOAL := all
+
+.PHONY: fmt vet build clean tools
+
+tools:
+	GOPROXY=direct go install git.wamblee.org/public/gotools/cmd/go2junit@main
+	go install github.com/a-h/templ/cmd/templ@v0.3.977
+
+fmt:
+	go fmt ./...
+
+vet: fmt
+	go vet ./...
+
+
+build: vet
+	mkdir -p bin
+	go build -ldflags "-X main.Version=$(shell git rev-parse HEAD ) -X main.BuildTime=$(shell date +'%Y-%m-%dT%H:%M:%S')" -o bin ./cmd/...
+
+install: build
+	go install ./...
+
+test: build
+	go test -count=1 -coverprofile=testout/coverage.out -json  ${TESTFLAGS} ./... | go2junit testout
+
+clean:
+	rm -rf bin
+	rm -f pkg/server/ui/LICENSE*
+	rm -rf testout
+
+all: build
+
diff --git a/cmd/bridge/main.go b/cmd/bridge/main.go
new file mode 100644
index 0000000..2dbf75d
--- /dev/null
+++ b/cmd/bridge/main.go
@@ -0,0 +1,47 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/half2me/antgo/ant"
+	"github.com/half2me/antgo/device"
+	"github.com/half2me/antgo/driver/usb"
+)
+
+func main() {
+	drv, err := usb.GetDevice(0x0fcf, 0x1008)
+	if err != nil {
+		panic(err)
+	}
+	defer drv.Close()
+
+	fmt.Println("device opened")
+
+	if err := device.ResetWait(drv); err != nil {
+		panic(fmt.Sprintf("reset failed: %v", err))
+	}
+	fmt.Println("reset ok")
+
+	if err := device.StartRxScanModeWait(drv); err != nil {
+		panic(fmt.Sprintf("scan mode failed: %v", err))
+	}
+	fmt.Println("scan mode started")
+
+	msgs := make(chan ant.BroadcastMessage, 100)
+	go device.DumpBroadcastMessages(context.Background(), drv, msgs)
+
+	fmt.Println("listening...")
+	for msg := range msgs {
+		//fmt.Printf("raw msg: device type=0x%02x device number=%d content=%x\n",
+		//	msg.DeviceType(), msg.DeviceNumber(), msg.Content())
+
+		switch msg.DeviceType() {
+		case ant.DEVICE_TYPE_POWER:
+			cur := ant.PowerMessage(msg)
+			fmt.Printf("power: %dW  cadence: %d rpm\n", cur.InstantaneousPower(), cur.InstantaneousCadence())
+		}
+	}
+
+	fmt.Println("channel closed")
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..f412cb8
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,7 @@
+module git.wamblee.org/antplusbridge
+
+go 1.26.2
+
+require github.com/half2me/antgo v0.0.0-20240825222428-e6b9ddc9c32f
+
+require github.com/google/gousb v1.1.3 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..5f5e401
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/google/gousb v1.1.3 h1:xt6M5TDsGSZ+rlomz5Si5Hmd/Fvbmo2YCJHN+yGaK4o=
+github.com/google/gousb v1.1.3/go.mod h1:GGWUkK0gAXDzxhwrzetW592aOmkkqSGcj5KLEgmCVUg=
+github.com/half2me/antgo v0.0.0-20240825222428-e6b9ddc9c32f h1:T1EVnxPi3CqwmJdOs/s76vplnG8t0MEFmwo3bvHrZAo=
+github.com/half2me/antgo v0.0.0-20240825222428-e6b9ddc9c32f/go.mod h1:BXp/M+7//3V0GY2ytRJw4vcxZve8mQ0zRVuow+fANkE=
diff --git a/setup.md b/setup.md
new file mode 100644
index 0000000..d84eb6d
--- /dev/null
+++ b/setup.md
@@ -0,0 +1,31 @@
+
+# dmesg
+
+Make sure usbserial does not handle this device
+
+```
+cat > /etc/udev/rules.d/99-ant-usb.rules <<EOF
+SUBSYSTEM=="usb", ATTRS{idVendor}=="0fcf", ATTRS{idProduct}=="1008", ENV{MODALIAS}="ignore"
+EOF
+
+```
+
+Reload the rules
+```
+# remove dongle
+sudo modprobe -r usb_serial_simple
+sudo udevadm control --reload-rules
+sudo udevadm trigger
+
+```
+
+Output of dmesg
+```
+[20167.459968] usb 3-2.2.1: new full-speed USB device number 16 using xhci_hcd
+[20167.550486] usb 3-2.2.1: New USB device found, idVendor=0fcf, idProduct=1008, bcdDevice= 1.00
+[20167.550497] usb 3-2.2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
+[20167.550501] usb 3-2.2.1: Product: ANT USBStick2
+[20167.550503] usb 3-2.2.1: Manufacturer: CYCPLUS
+[20167.550506] usb 3-2.2.1: SerialNumber: 123
+
+```