Hi, On Thursday, 8 March 2018 18:11:26 CEST Manuel Masiello wrote: > Hello everybody, > > I write to the community because I have a problem using Bluetoothctl. > I am looking to write in an attribute with the gatt command "Write". > > Here is my command line operation suite: > > $ bluetoothctl > > [bluetooth]# power on > [bluetooth]# connect A6:41:29:67:30:ED > [my_device]# menu gatt > [my_device]# select-attribute > /org/bluez/hci0/dev_A6_41_29_67_30_ED/service0034/char0035 > [my_device:/service0034/char0035]# write 0x41 0x54 0x2b 0x4e 0x69 0x6d > 0x70 0x00 > > This is where I have a problem. I never get an error message but the BLE > device only receive the 1st byte 0x41. > However, using Android applications like LightBlue or nRF Connect, it > receives correctly what I seek sent. > I scanned the net without finding an answer. I do not really understand > why it does not work ... > > > For information: > Linux version 4.13.0-36-generic (buildd@lcy01-amd64-017) (gcc version > 7.2.0 (Ubuntu 7.2.0-8ubuntu3.2)) #40-Ubuntu SMP Fri Feb 16 20:07:48 UTC 2018 > > I only have "Bluetoothctl" to do the job because the Alpine Linux > distribution contains nothing else: > https://pkgs.alpinelinux.org/contents?file=&path=&name=bluez&branch=edge&rep > o=main&arch=x86 > > Is there anyone who can help me find my mistake? Digging out this unanswered question as people seems to ask this on IRC too. You need to use quotes: write "0x41 0x54 0x2b 0x4e 0x69 0x6d 0x70 0x00" And yeah, this could be fixed to accept also 0x01020304 and no quotes for conveniense:-) -- pozdrawiam Szymon Janc -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
