From d0bb8b91a9b4cab1908ad3adeb96f2c640b3864f Mon Sep 17 00:00:00 2001 From: kai-morich Date: Mon, 11 Oct 2021 21:39:27 +0200 Subject: [PATCH] device not recognized if no OTG adapter --- FAQ.mediawiki | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/FAQ.mediawiki b/FAQ.mediawiki index b8e8046..3f6a148 100644 --- a/FAQ.mediawiki +++ b/FAQ.mediawiki @@ -2,11 +2,9 @@ This is a collection of FAQ-style troubleshooting tips. == My USB device is not recognized == -Check with an App that uses this library and shows all USB devices, e.g. [https://play.google.com/store/apps/details?id=de.kai_morich.serial_usb_terminal Serial USB Terminal]. -The ''Serial Example'' app in this project is not sufficient, as it does not show devices where no driver is detected. +Connecting an USB device with just an USB cable will not work. You have to attach an [https://en.wikipedia.org/wiki/USB_On-The-Go OTG adapter] to your Android device to switch it into host mode. This adapter typically provides an USB A socket, where you attach a standard USB cable. -If still no USB device is shown, check the web for [https://developer.android.com/guide/topics/connectivity/usb/host.html USB Host Mode] aka. [https://en.wikipedia.org/wiki/USB_On-The-Go USB OTG] support for your Android device. -Missing support is more likely for older devices. +Check with an App like ''Serial Example'' in this project, if your device is shown. If no USB device is shown, check the web for [https://developer.android.com/guide/topics/connectivity/usb/host.html USB Host Mode] aka. [https://en.wikipedia.org/wiki/USB_On-The-Go USB OTG] support for your Android device. Missing support is more likely for older devices. For an incomplete list of Android devices with known issues look [[Compatible-Android-Devices|here]]. @@ -67,7 +65,7 @@ The bug recommends to add android:directBootAware="true" to your ac |- |} -(*) Some android devices do not show USB devices that were connected over reboot, so you have to reconnect them anyway. +(*) Some android devices do not show USB devices that were connected during reboot, so you have to reconnect them anyway. == Can I open multiple connections in one application? ==