Hi everybody, I am trying to run Android on my prototype phone. The phone has a sensor (a device that reports its orientation to the phone) attached to it through the USB interface.
I have developed a hardware module for that sensor, the name of the shared library for the module being "sensors.default.so". The module communicates with the sensor through the device file /dev/ttyUSB0. The problem I am facing is that the device file /dev/ttyUSB0 has permissions as: crw------- root root 188, 0 1980-01-10 18:47 ttyUSB0 So, when I test the module's functionality by running a test android application, the application doesn't have enough privileges to read/ write from/to the device file. So, the results are negative. And, if I test the same functionality by running a native test application (via the adb shell, so it runs as root), the results are positive. I tried to solve this issue by modifying the startup scripts (these run as root) to change the device file permissions at startup, but it seems that the device file is created after the scripts have completed their execution. Any suggestions on what should be done, to make the android application able to read/write from/to the device file ? How to change the device file permissions at the time of creation ? Thanks, Puneet Jindal --~--~---------~--~----~------------~-------~--~----~ unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
