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<anyweb>http://combustory.com/wiki/ads/ad_rtc.html</anyweb> {{default}} <anyweb>http://combustory.com/wiki/ads/ad_rtc_1.html</anyweb> =Pharos GPS-500= ==Device Set Up on Linux== * Plug in GPS-500 device to a USB port * Search for device on computer lsusb This command should result in finding the Prolific Tech. line as seen below. example output: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 008: ID 067b:aaa0 Prolific Technology, Inc. Prolific Pharos Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub * Search for a tty device ls /dev Look for a tty device: ttyUSB0 or ttyUSB1 or any other ttyUSBx, which depends on how many USB serial devices you have set up. (This was done on Fedora, other OS's may have a different designation) ==View Data== * You may need to use sudo to allow permissions to the tty. * This command will set the device to allow you to log data via tail or cat stty -F /dev/ttyUSB0 cs8 4800 ignbrk -brkint -icrnl -imaxbel -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoctl -echoke noflsh -ixon -crtscts * View raw data after stty command cat /dev/ttyUSB0 * Log Data - You will need to manage the log file sizes cat /dev/ttyUSB0 >> gps_log * Log Data with Filter - This significantly cuts down on the number of strings and is really the only string you need. cat /dev/ttyUSB0 | grep GPRMC >> gps_logs

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