Using BOOST-CC2564MODA with bluez on Linux

I’m trying to get the CC2564MODA working with NuttX, then I decided to test it with Linux’s bluez first to guarantee it is working.

I used a CP2101 USB/Serial dongle, connected RXD to BUTX1, TXD to BURX1, CTS to BURT1, RTS to BUCT1.

Unfortunately the CC2564B will not work correctly if you don’t load a patch to fix its internal firmware. I download the file cc256xb_bt_sp_v1.6.zip from TI site extracted and copied it to:

$ sudo cp ~/CC2564/CC256XB_BT_SP/v1.6/initscripts-TIInit_6.7.16_ble_add-on.bts /lib/firmware/ti-connectivity/TIInit_6.7.16.bts

Next step is to use hciattach:

$ sudo hciattach -s 115200 /dev/ttyUSB0 texas 115200
Found a Texas Instruments' chip!
Firmware file : /lib/firmware/ti-connectivity/TIInit_6.7.16.bts
Loaded BTS script version 1
Device setup complete

Open a new linux terminal and run:

$  sudo btmon
Bluetooth monitor ver 5.37
= New Index: B0:B4:48:F4:A1:54 (BR/EDR,UART,hci1)               [hci1] 0.270465
= Open Index: B0:B4:48:F4:A1:54                                 [hci1] 0.270467
= Index Info: B0:B4:48:F4:A1:54 (Texas Instruments Inc.)        [hci1] 0.270467
= New Index: E0:06:E6:CF:FD:CE (BR/EDR,USB,hci0)                [hci0] 0.270468

Open another terminal and run:

$ sudo btmgmt --index 1

[hci1]# auto-power
Found controller with index 1

Note that I used “–index 1” instead “–index 0” because the BOOST-CC2564MODA was included as “hci1” (my laptop has Bluetooth internally).

Finally we can search for BLE devices:

[hci1]# find -l
Discovery started
hci1 type 6 discovering on
hci1 dev_found: BC:6A:29:AB:3F:46 type LE Public rssi -50 flags 0x0000 
AD flags 0x05 
eir_len 3
hci1 type 6 discovering off
[hci1]# 

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