2020-08-22, 04:18 PM
Here is the result:
grep tty
bash 785 pi 0u CHR 4,1 0t0 7186 /dev/tty1
bash 785 pi 1u CHR 4,1 0t0 7186 /dev/tty1
bash 785 pi 2u CHR 4,1 0t0 7186 /dev/tty1
bash 785 pi 255u CHR 4,1 0t0 7186 /dev/tty1
chromium- 1609 pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1697 llvmpipe- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1698 llvmpipe- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1699 llvmpipe- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1700 llvmpipe- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1701 chromium- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1702 chromium- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1703 chromium- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1704 chromium- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1717 GpuWatchd pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1718 ThreadPoo pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1719 ThreadPoo pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1720 Chrome_Ch pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1721 VizCompos pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
pi@openplotter:~ $
The two listed devices on the serial config are the GPS on 0 and the NMEA 0183 output to the tiller pilot "Tillie" I wonder if the SDR dongle is confusing the system? It is connected to USB, but was not given a tty address. I need to read up and understand the differences between tty0 and tty1
grep tty
bash 785 pi 0u CHR 4,1 0t0 7186 /dev/tty1
bash 785 pi 1u CHR 4,1 0t0 7186 /dev/tty1
bash 785 pi 2u CHR 4,1 0t0 7186 /dev/tty1
bash 785 pi 255u CHR 4,1 0t0 7186 /dev/tty1
chromium- 1609 pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1697 llvmpipe- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1698 llvmpipe- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1699 llvmpipe- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1700 llvmpipe- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1701 chromium- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1702 chromium- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1703 chromium- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1704 chromium- pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1717 GpuWatchd pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1718 ThreadPoo pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1719 ThreadPoo pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1720 Chrome_Ch pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
chromium- 1609 1721 VizCompos pi 11r REG 0,17 4096 8096 /sys/devices/virtual/tty/tty0/active
pi@openplotter:~ $
The two listed devices on the serial config are the GPS on 0 and the NMEA 0183 output to the tiller pilot "Tillie" I wonder if the SDR dongle is confusing the system? It is connected to USB, but was not given a tty address. I need to read up and understand the differences between tty0 and tty1