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September 11, 2024 03:50
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| ### Read from VK-162 USB GPS Dongle | |
| # ie. https://www.amazon.com/VK-162-G-Mouse-External-Navigation-Raspberry/dp/B01EROIUEW | |
| # https://www.gpsworld.com/what-exactly-is-gps-nmea-data/ | |
| # https://gist.github.com/logston/67e8d1dff12fe194e04812753a871a4f | |
| # | |
| # Example data: | |
| # $GPTXT,01,01,02,u-blox ag - www.u-blox.com*50 | |
| # $GPTXT,01,01,02,HW UBX-G70xx 00070000 FF7FFFFFo*69 | |
| # $GPTXT,01,01,02,ROM CORE 1.00 (59842) Jun 27 2012 17:43:52*59 | |
| # $GPTXT,01,01,02,PROTVER 14.00*1E | |
| # $GPTXT,01,01,02,ANTSUPERV=AC SD PDoS SR*20 | |
| # $GPTXT,01,01,02,ANTSTATUS=OK*3B | |
| # $GPTXT,01,01,02,LLC FFFFFFFF-FFFFFFFF-FFFFFFFF-FFFFFFFF-FFFFFFFD*2C | |
| # $GPRMC,232047.00,A,3751.53046,N,12207.76361,W,0.795,,080924,,,A*69 | |
| # $GPVTG,,T,,M,0.795,N,1.472,K,A*28 | |
| # $GPGGA,232047.00,3751.53046,N,12207.76361,W,1,05,1.84,252.3,M,-29.3,M,,*62 | |
| # $GPGSA,A,3,03,16,09,04,07,,,,,,,,3.27,1.84,2.71*03 | |
| # $GPGSV,3,1,09,01,31,062,27,02,05,200,09,03,75,178,31,04,63,330,21*73 | |
| # $GPGSV,3,2,09,07,18,234,28,09,33,297,26,16,41,118,27,26,38,069,08*76 | |
| # $GPGSV,3,3,09,31,33,048,08*46 | |
| # $GPGLL,3751.53046,N,12207.76361,W,232047.00,A,A*7C | |
| # $GPRMC,232048.00,A,3751.53024,N,12207.76363,W,0.657,,080924,,,A*6F | |
| from datetime import datetime | |
| import subprocess | |
| def read_block(device_path: str) -> list[str]: | |
| """ | |
| Return block of GPS lines from device. | |
| """ | |
| with open(device_path) as fp: | |
| should_break = False | |
| block = [] | |
| while line := fp.readline(): | |
| line = line.strip() | |
| if line.startswith('$GPTXT'): | |
| continue | |
| if line.startswith('$GPRMC'): | |
| if should_break: | |
| break | |
| should_break = True | |
| block.append(line) | |
| return block | |
| def ping(url: str) -> (str, str): | |
| try: | |
| out = subprocess.run( | |
| f"ping -c 1 {url}".split(), | |
| capture_output=True, | |
| timeout=5, # seconds | |
| ) | |
| stdout = out.stdout.decode() | |
| stderr = out.stderr.decode() | |
| except subprocess.TimeoutExpired as e: | |
| stdout = "" | |
| stderr = str(e) | |
| return stdout, stderr | |
| def main(gps_device_path, url): | |
| while True: | |
| now = datetime.now().isoformat() | |
| gps_block = '\n'.join(read_block(gps_device_path)) | |
| stdout, stderr = ping(url) | |
| print('=' * 10, flush=True) | |
| print(now, flush=True) | |
| print('-' * 10, flush=True) | |
| print(gps_block, flush=True) | |
| print('-' * 10, flush=True) | |
| print(stdout, flush=True) | |
| print('-' * 10, flush=True) | |
| print(stderr, flush=True) | |
| if __name__ == '__main__': | |
| import argparse | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument('device_path', help='eg. /dev/cu.usbmodem2101') | |
| parser.add_argument('url') | |
| args = parser.parse_args() | |
| main(args.device_path, args.url) |
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