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Raspberry Pi 3 : After install ArduPi, no more Bluetooth
https://www.cooking-hacks.com/forum/viewtopic.php?f=27&t=9725
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Author:  Raiza [ Fri Feb 24, 2017 7:41 pm ]
Post subject:  Raspberry Pi 3 : After install ArduPi, no more Bluetooth

Dear Cooking Hacks,

After I install ArduPi library on my Raspberry PI 3 buy using your tutorial :
https://www.cooking-hacks.com/documenta ... dge/#step3

I noticed that my Bluetooth icon becomes inactive after reboot of the RP3 and it say's "No Bluetooth adapter found" as shown in the following picture : https://i.goopics.net/mLqW.png
And now I am without Bluetooth.

Maybe the issue is here (Tutorial Step 3.2)
#map mini-UART to internal bluetooth an free-up main UART to handle CookingHacks modules
dtoverlay=pi3-miniuart-bt


What can I do for make it back ?

Sincerely
Raiza

Author:  libelium-dev [ Mon Feb 27, 2017 8:53 am ]
Post subject:  Re: Raspberry Pi 3 : After install ArduPi, no more Bluetooth

Hello Raiza,
Yes, this is a know issue. We disconnect the mainUART from BLE and use it for handle Cooking Hacks modules. We recomende use a inexpensive external BLE dongle attached to USB port.
If you want go back to original BLE overlay pin for UART, you must edit as sudo /boot/config.txt and change it for your convenience:

Code:
# For more options and information see
# http://www.raspberrypi.org/documentation/configuration/config-txt.md
# Some settings may impact device functionality. See link above for details

# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
#disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
#overscan_left=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

# uncomment if hdmi display is not detected and composite is being output
#hdmi_force_hotplug=1

# uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
#hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
#config_hdmi_boost=4

# uncomment for composite PAL
#sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800

# Uncomment some or all of these to enable the optional hardware interfaces
#dtparam=i2c_arm=on
#dtparam=i2s=on
#dtparam=spi=on

# Uncomment this to enable the lirc-rpi module
#dtoverlay=lirc-rpi

# Enable audio (loads snd_bcm2835)
dtparam=audio=on

# Activate if you want use internal Bluetooth over limited miniUART
force_turbo=1
avoid_warnings=2

# Map miniUART to internal bluetooth an free-up mainUART to handle CookingHacks modules
dtoverlay=pi3-miniuart-bt
#dtoverlay=pi3-disable-bt

# Enable uart interface. Disable if you want use bluetooth
enable_uart=1

# Enable spi interface
dtparam=spi=on

# Enable i2c interface
dtparam=i2c_arm=on


Regards

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