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Seri port sorunu.
#1
Selamlar,
Elimde raspbberypi3 var.
Robotistan üzerinden HZ-1050 125 kHz RFID Okuyucu Kiti satın aldım.
Aşağıdaki ayarları yapıp reboot ettim.
Kod:
root@raspberrypi:/home/pi# cat /boot/cmdline.txt
dwc_otg.lpm_enable=0 console=tty1 root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait

root@raspberrypi:/home/pi# cat /boot/config.txt
# 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
dtoverlay=pi3-miniuart-bt

# Additional overlays and parameters are documented /boot/overlays/README

# Enable audio (loads snd_bcm2835)
dtparam=audio=on
enable_uart=1


dtparam=spi=on
dtoverlay=pi3-disable-bt-overlay
core_freq=250
enable_uart=1
force_turbo=1

Fakat minicom /dev/ttyS0 -b 9600 -D /dev/ttyS0 -8 ile okuyamıyorum
İşin ilginç yanı raspi üzerindeki rx ve tx i bir birine jumper ile bağlayıp minicom ile gönderdiğimi almaya çalışıyorum oda başarırız.

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