Bi-monthly release with minor bug fixes and improvements
/dev/serial/by-id/usb-Prolific_Technology_Inc._USB-Serial_Controller_D-if00-port0 is already used by another driver or process.
sudo screen /dev/ttyUSB0 115200
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$ sudo strace -fp 2686
strace: Process 2686 attached
pselect6(1, [0], NULL, NULL, NULL, NULL
) = 1 (in [0])
read(0, "<newSwitchVector device=\"EQMod M"..., 2048) = 127
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
sendmsg(1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="<?xml version='1.0'?>\n<message\n "..., iov_len=176}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 176
sendmsg(1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="<?xml version='1.0'?>\n<setSwitch"..., iov_len=278}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 278
pselect6(1, [0], NULL, NULL, NULL, NULL) = 1 (in [0])
read(0, "<newSwitchVector device=\"EQMod M"..., 2048) = 381
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
sendmsg(1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="<?xml version='1.0'?>\n<message\n "..., iov_len=176}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 176
sendmsg(1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="<?xml version='1.0'?>\n<setSwitch"..., iov_len=278}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 278
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
openat(AT_FDCWD, "/dev/ttyUSB0", O_RDWR|O_NOCTTY|O_CLOEXEC) = -1 EBUSY (Device or resource busy)
clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, NULL) = 0
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Apr 13 14:27:06 astro01 systemd[1]: Starting Manage ttyUSB0 for GPS daemon...
Apr 13 14:27:06 astro01 gpsdctl: gpsd_control(action=add, arg=/dev/ttyUSB0)
Apr 13 14:27:06 astro01 gpsdctl: reached a running gpsd
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