To send files the other way from a Pi to a phone, the Pi needs to be an OBEX client. The program btferret.c is set up to do file transfers this way (and it will also run as an OBEX server like obex_server.c.)
https://github.com/petzval/btferret
https://github.com/petzval/btferret
Code:
Download btferret.c btlib.c btlib.h devices.txt Compile gcc btferret.c btlib.c -o btferret Run sudo ./btferretEnable Bluetooth on the phone and make sure it is discoverableFrom btferret command line: a - Run a classic scan to find the phone c - Connect to phone - select "Read services to choose channel" A list of phone services will be displayed Enter channel number of OBEX service f - Send file - choose "Send file to OBEX" option Enter node of phone (probably 1000) Enter file name Phone will probably prompt for permission to accept file To run an OBEX server from btferret s - Become a server - choose OBEX server option Input node of client = 0 for Any device Set client's security = 3 key on, passkey off - which is the option that obex_server.c uses It may be necessary to experiment with this security setting, depending of whether the phone requires a passkeyStatistics: Posted by petzval — Tue Jul 30, 2024 3:03 pm