Volvo BT Phone P2v2 - Phone Module (PHM) Bluetooth update

[dgmacc]

Thanks to Marek for continuing to develop this.

[arnoud]

Originally Posted by marekbm

regarding phone switch:
at the moment you can manually disconnect phones by dialing "***". it will disconnect all connected phones. if you have had a ericsson modem in PHM then it's possible to connect the phone from "dialled calls" (green, and then green button).

Ah, yes, that is at least an easier way than disconnecting from the smartphone.

first new potencial feature:
i can add a feature to disconnect a master (first connected device with HFP profile) and connect the HFP to the slave (second device). so it will create the master device from the slave and the original master is disconnected. for example "##*".

second potencial feature:
i can add a feature to remain both connected. it will only swap the HFP from the first to the second device. so it will swap the master and the slave. for example "*##".

I would prefer to have both devices connected and simply changing between the two. So the second option would be great!

[marekbm]

some bug fixes. and one now feature .

v2018-04-25_1
News
- Bluetooth: Added a feature to swap connected cellphones. If you dial "**#" then the cellphone for calls is changed to cellphone for the music and vice versa.
Updated
- Bluetooth: Some names of configuration files has been changed (again). The reason is due to merge the names for all my BT products:
- - Bluetooth module name: “bt_name.bst”
- - User texts: “bt_user_texts.bst”
Fixed
- Bluetooth: The second cellphone autoconnection.
- Modem: The Bootloader version didn’t change after the update (it was right after the reboot).
- Modem: History calls readout.

[arnoud]

I have installed this new version, and the update went fine. Both the bootloader and the firmware version now show the new versions.

I also connected both my phones (iPhone 7 and Galaxy S9+) at the same time, and the first time I switched using **# it switched as expected. I saw in the DIM display the new phone name.

But the second time, switching back, even though the phones switched, the DIM display kept displaying the first phone name, while the second one was active (I verified by making a call).

Restarting the PHM (by turning off ignition for a few seconds) did not help.

I will check tomorrow by using a third phone if incoming calls can be switched correctly.

By the way: is it normal behavior that "factory reset" does not clear ALL settings? For example the bluetooth device list is not cleared. Is that intentional?

[arnoud]

I think that switching feature needs a bit more testing and development :-)

Today while testing the phone module froze a few times completely (requiring the car to turn off ignition to recover), and when incoming calls were ringing I was unable to pick up the phone.

Also, even while connected, outgoing calls were not using the PHM for audio.

I think I will downgrade to the previous version for now... If you need to have me test anything, let me know.

[marekbm]

Originally Posted by arnoud

I think that switching feature needs a bit more testing and development :-)

Today while testing the phone module froze a few times completely (requiring the car to turn off ignition to recover), and when incoming calls were ringing I was unable to pick up the phone.

Also, even while connected, outgoing calls were not using the PHM for audio.

I think I will downgrade to the previous version for now... If you need to have me test anything, let me know.

i have no problem (both devices with android) but i will test it with ios (i have one for testing). but i also plan to add a feature which allows connect the voice also from the second device if dialed from the device. the PHM will start ringing if accept then call is forwarded to HF if not then a call continue on the device.

[marekbm]

the part managing calls has been changed quite a lot.

now it works like this:

incoming calls (does not matter if the first or the second connected device):
- if the call is rejected, then it's terminated
- if accepted on then PHM (if it offers it) then the call is connected as a HF via PHM
- if accepted on then device then the call stays on device

outgoing call:
- if dialled on the PHM then the call is created on the first connected device (possible to switch via "**#")
- if dialled on the device then:
- - if not active any call then it's connected as a HF via PHM (if ericsson modem or the it's the second device then PHM starts ringing, if rejected then call stays in the device)
- - if already active call (connected as a HF) then the new call stays in the device

call terminating:
- if the red button on the PHM (or the steering wheel) is pressed then the call connected as a HF is terminated.
- if terminated on the device then it's also terminated on the PHM (if connected)

call switching between PHM and the device:
- if you want to switch the call from the PHM to the device then select Earphone or Speaker on the device (audio options during the call). the call will stay in the device and it's terminated in PHM.
- if you want to switch the call from the device to the PHM (HF) then select Bluetooth on the device (audio options during the call). if ericsson modem or the it's the second device then PHM starts ringing, if rejected then call stays in the device

2 active calls or 1 active and 1 incomming:
- if 2 active calls (each on the different device) and the call connected with the PHM is terminated as the first then the PHM offer the connection with the second. if ericsson modem or the it's the second device then PHM starts ringing, if rejected then call stays in the device
- if call is active and connected with PHM and some incomming call is on the second device then:
- if accept the call on the device then call stays in the device.
- if current active call is terminated then the PHM offers accept / reject the of the incomming call.


in the shortcut:
where you do the action, there it will affect.

not so possitive news for the iPhone owners. i have an piece for the testing. after some tests i do not recommend it to use with another connected device (the connection start to be unstable, from time to time it causes Bluetooth modem restarts, ...). the worst scenario is if the iPhone is connected as the second device and you make a call or somebody calls to the device. if iPhone is connected as an only device then there is no problems.

i hope that this text makes a sence. if not then i apologize and let me know.

---------------------------------------

v2018-05-06_1

News
- Bluetooth: Now it’s possoble to connect call from the second device with HF.
- Bluetooth: If current call is terminated and another call on then second connected device is active then the PHM will offer to connect with HF.
Fixed
- Bluetooth: If call on the second connected device starts then module is unstable.
- Bluetooth: Call management rewrited.

[JFrisk]

I'm a bit confused about the setting file received when I send the command bt_config.bgt. The file look like this:

# device configuration
english
hfp+a2dp
cd-c2
auto
0000
4
6
on
on

I compare it to the bt_config.bst file that look like this:

#1 - language: ("cestina" / "english")
english
#2 - Bluetooth mode: ("hfp+a2dp" / "a2dp" / "hfp")
hfp+a2dp
#3 - radio mode: ("cd-c" / "cd-c2" / "md-c" / "md-c_1x" / "md-c_2x" / "md-c_3x" / "sat")
cd-c
#4 - pairing: ("auto" / "approve")
auto
#5 - PIN for obsolete devices
0000
#6 - microphone gain: (1 - 5)
3
#7 - speaker gain: (1 - 5)
1
#8 - read contacts from the cellphone: ("on" / "off")
on
#9 - voice command activation via radio: ("on" / "off")
off

Is my Mic gain set to 6 ??! And the valid values is 1 - 5.

I have tried to set the Mic gain to 2 in the setting menu on the PHM before download the setting file.

It would be easier if the setting menus was reflecting the current setting like this:

A: Mic. 1
A: Mic. 2*
A: Mic. 3
...

Which would mean that the Mic-gain is set to "2".

[marekbm]

sorry, missing update in the settings file. the last version of firmware can has 1-6 as an option for speaker and mic settings.

edit:
and the values for 1-6 are also different than before.
for microphone:
1-3 is recommended if you use mostly the iphone because if you use the higher value then it can cause strange noise on the second side.

[arnoud]

I will test the latest software tomorrow, and will let you know my findings.

Do you think the 2nd iPhone issues is something you can fix?