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https://github.com/Ysurac/openmptcprouter-feeds.git
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44 lines
1.1 KiB
Lua
44 lines
1.1 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 dell = {}
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local DELL_BEGIN_GPS = "AT+GPS=1"
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local DELL_END_GPS = "AT+GPS=0"
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-- automatic activation of the NMEA port for data transmission
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function dell.start(port)
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local p = tonumber(string.sub(port, #port)) + 1
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p = string.gsub(port, '%d', tostring(p))
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local error, resp = true, {
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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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-- DELL DW5821 series default NMEA /dev/ttyUSB2
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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, p) then
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error, resp = serial.write(p, DELL_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 dell.stop(port)
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error, resp = serial.write(port, DELL_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 dell.getGNSSdata(port)
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return nmea.getAllData(port)
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end
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return dell
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