mirror of
https://github.com/Ysurac/openmptcprouter-feeds.git
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40 lines
No EOL
1 KiB
Lua
40 lines
No EOL
1 KiB
Lua
common_path = '/usr/share/gpoint/lib/?.lua;'
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package.path = common_path .. package.path
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local nmea = require("nmea")
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local serial = require("serial")
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local nixio = require("nixio.fs")
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local sierra = {}
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local SIERRA_BEGIN_GPS = "$GPS_START"
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local SIERRA_END_GPS = "$GPS_STOP"
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-- automatic activation of the NMEA port for data transmission
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function sierra.start(port)
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local error, resp = true, {warning = {
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app = {true, "Port is unavailable. Check the modem connections!"},
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locator = {},
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server = {}
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}
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}
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local fport = nixio.glob("/dev/tty[A-Z][A-Z]*")
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for name in fport do
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if string.find(name, port) then
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error, resp = serial.write(port, SIERRA_BEGIN_GPS)
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end
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end
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return error, resp
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end
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-- stop send data to NMEA port
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function sierra.stop(port)
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error, resp = serial.write(port, SIERRA_END_GPS)
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return error, resp
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end
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-- get GNSS data for application
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function sierra.getGNSSdata(port)
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return nmea.getAllData(port)
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end
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return sierra |