1)This program is to use a USB BT dongle on STM32f4 discovery. also base on bybl/uubt.
2)About sample program of bt_spp.c bt_spp.c is sample program, both function of bt_spp_recive_callback() and bt_spp_send() are important. handle SPP receiving and sending communication. a) Receiving ASCII char '0' from device side(android or PC), LED3(orange colour) on STM32f4 discovery turns on. b) Receiving ASCII char except '0' from device side, LED3 turns off. c) Host side(STM32f4 discovery) send "Hellow" in each time.
3)USB BT dongle using a PLANEX dongle, but do not know model No. because no marking on dongle. purchased a long time ago.
4)Hardware No modification on STM32f discovery, only connection to USART2(PA2,PA3) serial line. monitoring with PC.
5)Software development using gcc-4.6.1
lastly, I appreciate Mr.Bybl develop basic program and Mr. Nemuisan who is providing software development environment. I hope for everyone to use this program.
Best regards.