Hi Marcel,

You are right. I have fedora core 3 in my lab and I think it comes with this version of bluez.
[root@70-52 mahtab]# rpm -qa bluez*
bluez-bluefw-1.0-6
bluez-pin-0.23-3
bluez-hcidump-1.11-1
bluez-utils-2.10-2
bluez-libs-devel-2.10-2
bluez-libs-2.10-2
bluez-utils-cups-2.10-2

I thought I had installed the recent bluez packages and was looking into the codes of bluez-2.24 packages. That explains the error.
Anyway, I could solve the problem of my_hci_read_rssi function - it was a stupid typo. I should have literally copied your hci_read_rssi function rather than typing it myself. But again, I am not fond of your choice of variables either (rq, rp etc. :P which was the reason of my typo). :D

As I will be making a GUI version considering only RSSI, LQ & TPL part, I think I will not go into installing the newer version of bluez (I also work on my ancient Laptop which has bluez-2.4-1).
I have chosen GTK+ for dealing with the GUI version. Any suggestions on that?
My work is to record RSSI, LQ and TPL correcponding to a location (i.e. location fingerprint) in a user-friendly way!

Thanks
Mahtab



Marcel Holtmann <marcel@holtmann.org> wrote:

Hi Mahtab,

> My project is to work with rssi/tpl/lq. My initial goal is to read
> them and show them graphically with some handy features!
>
> I have gone through hcitool.c (most of the code) and tried to exactly
> copy the necessary things only to retrieve RSSI. But, I couldn't call
> "hci_read_rssi" as them. Compiling my program gave this error:
>
> mySignalScan.c:102: warning: implicit declaration of function
> `hci_read_rssi'
> mySignalScan.c: At top level:
> /tmp/cc4x36ri.o(.text+0x25b): In function `cmd_rssi':
> : undefined reference to `hci_read_rssi'
> collect2: ld returned 1 exit status

looks like you need to install a newer bluez-libs package.

Regards

Marcel




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