Fix printing multiple files at once
This commit is contained in:
parent
8730d2c29f
commit
377af1bf7a
40
main.go
40
main.go
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@ -50,6 +50,10 @@ func main() {
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}
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must("Enable Bluetooth stack", adapter.Enable())
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pyfilterloc := dumpFilter(*dir)
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defer func() {
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os.RemoveAll(pyfilterloc)
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}()
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log.Println("Scanning for Bluetooth devices...")
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ch := make(chan bluetooth.ScanResult, 1)
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@ -67,7 +71,13 @@ func main() {
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select {
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case device := <-ch:
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log.Println("Found device: ", device.Address.String(), device.RSSI, device.LocalName())
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tryToPrint(device, *dir, files)
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for _, file := range files {
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filePath := filepath.Join(*dir, file.Name())
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if isPossibleToPrint(filePath) {
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log.Printf("Trying to print %s\n", filePath)
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tryToPrint(device, pyfilterloc, filePath)
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}
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}
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case <-time.After(10 * time.Second):
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log.Fatal("Timeout trying to locate Phomemo M02, is it on? Quitting.")
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os.Exit(1)
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@ -88,14 +98,14 @@ func copyFileToFolder(file string, folder string) error {
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return nil
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}
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func tryToPrint(phomemoAddress bluetooth.ScanResult, dir string, files []os.DirEntry) {
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func tryToPrint(phomemoAddress bluetooth.ScanResult, pyfilterloc string, filePath string) {
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var phomemo *bluetooth.Device
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phomemo, err := adapter.Connect(phomemoAddress.Address, bluetooth.ConnectionParams{})
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must("failed to connect to adapter", err)
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log.Println("connected to ", phomemoAddress.Address.String())
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must("Failed to connect to adapter", err)
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log.Println("Connected to ", phomemoAddress.Address.String())
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defer func() {
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if err := phomemo.Disconnect(); err != nil {
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log.Println(err)
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log.Fatalf("Cannot disconnect: %w\n", err)
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} else {
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log.Println("disconnected")
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}
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@ -109,25 +119,11 @@ func tryToPrint(phomemoAddress bluetooth.ScanResult, dir string, files []os.DirE
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log.Println("- service", srvc.UUID().String())
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chars, err := srvc.DiscoverCharacteristics(nil)
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must("failed to discover characteristics of service", err)
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pyfilterloc := filepath.Join(dir, "phomemo-filter.py")
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dumpFilter(pyfilterloc)
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defer func() {
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os.RemoveAll(pyfilterloc)
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}()
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must("Failed to discover characteristics of service", err)
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// 3 characteristics to discover 0000ff01, 0000ff02, and 0000ff03
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for _, file := range files {
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filePath := dir + "/" + file.Name()
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if isPossibleToPrint(filePath) {
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writeData(pyfilterloc, filePath, chars[1]) // 0000ff02-...
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readResult(chars[0]) // 0000ff01-...
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os.RemoveAll(filePath)
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}
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}
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log.Println("-- DONE")
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}
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func isPossibleToPrint(filename string) bool {
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@ -137,9 +133,11 @@ func isPossibleToPrint(filename string) bool {
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strings.HasSuffix(filename, ".PNG")
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}
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func dumpFilter(filename string) {
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func dumpFilter(dir string) string {
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filename := filepath.Join(dir, "phomemo-filter.py")
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err := os.WriteFile(filename, phomemofilter.Pyfilter, 0666)
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must("unable to dump python filter for use", err)
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return filename
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}
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func writeData(pyfilterloc string, path string, char bluetooth.DeviceCharacteristic) {
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