Thanks for your reply, I have tty in /dev directory. I'll check with permissions.
Can i get any readily available app for testing. On Tue, 30 Jun, 2020, 7:50 PM Dave McLaughlin, <davemclaughli...@gmail.com> wrote: > UART and I2C are simple enough. The underlying Linux drivers should be > part of the kernel and you simply open them from /dev in your Android App. > The only issue you may have is not having user rights access to them. > > What I did was give user access to GPIO, UART, I2C, and SPI from the > init.rc and then wrote a JNI to access the /dev or /sys/class/gpio etc. > > This is assuming you are developing the Android OS build yourself. That > certainly makes it easier to set up access rights from init.rc. > > Check your /dev directory and see if the tty or i2c devices are already > present in your build. If so, you just need to check the access rights and > write a JNI to use them from an Android App. > > Dave... > > > On Thursday, 25 June 2020 22:42:13 UTC+7, NANDAKUMAR S wrote: >> >> Hi all, >> >> Iam working on an android aosp project, in which now i want to develop >> drivers for UART,I2C communication protocols. But iam new to this LINUX and >> Android platform. >> Can anyone suggest me some resources or a procedure on how to learn this. >> >> -- > -- > unsubscribe: android-porting+unsubscr...@googlegroups.com > website: http://groups.google.com/group/android-porting > > --- > You received this message because you are subscribed to the Google Groups > "android-porting" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to android-porting+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/android-porting/f6ab2a50-30fc-4dfe-aee1-c21c67bc5cd9o%40googlegroups.com > <https://groups.google.com/d/msgid/android-porting/f6ab2a50-30fc-4dfe-aee1-c21c67bc5cd9o%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting --- You received this message because you are subscribed to the Google Groups "android-porting" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-porting+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/android-porting/CAHKTZp46ovn-qXUGxOBYXX%2B41w23bmm9n3tGfwS09m%3DkiMRxww%40mail.gmail.com.
