rpi4-osdev/part7-bluetooth/bt.h

void bt_reset();
void bt_loadfirmware();
void bt_setbaud();
void bt_setbdaddr();
void bt_getbdaddr(unsigned char *bdaddr);
void bt_init();
unsigned int bt_isReadByteReady();
unsigned char bt_readByte();
void setLEeventmask(unsigned char mask);
void startActiveScanning();
void startActiveAdvertising();