read
Read data from GPS
句法
Description
[[
从GPS返回测量矩阵。这是一个非阻止读取,它以矩阵格式返回n个数据点,其中n指定lla
,,,,groundSpeed
,,,,course
,,,,dops
,,,,gpsreceivertime
,,,,时间戳
,,,,overrun
] =读(gpsObj
)SampleSperRead
and矩阵
是specified using输出Format
财产的theGPSDEV
目的。
Examples
Read Data from GPS
创建一个Arduino对象,并包括串行库。
a = arduino('COM4',,,,'Mega2560',,,,'Libraries',,,,“系列”);
创建GPS对象。
gpsobj = gpsdev(a);
读取GPS数据的样本。
tt = read(gpsobj)
tt = 1×5 timetable Time LLA GroundSpeed Course DOPs GPSReceiverTime ________________________ __________________________ ___________ ______ ____________________ ________________________ 31-Jan-2020 11:41:42.475 12.944 77.692 807.7 0.0463 266.6 1.72 0.94 1.44 31-Jan-2020 06:11:42.000
从GPS中读取数据作为时间表
创建一个Arduino对象,并包括串行库。
a = arduino('COM4',,,,'Mega2560',,,,'Libraries',,,,“系列”);
Create GPS object with additional properties.
gpsobj = gpsdev(a,“输出格式”,,,,“时间表”,,,,“ SampleSperRead”,2);
读取GPS数据的样本。
[TT,Overruns] =读(GPSOBJ)
tt = 2×5 timetable Time LLA GroundSpeed Course DOPs GPSReceiverTime ________________________ __________________________ ___________ ______ ____________________ ________________________ 31-Jan-2020 11:32:49.459 12.944 77.692 806.8 0.0463 258.87 1.31 0.99 0.85 31-Jan-2020 06:02:49.000 31-Jan-2020 11:32:50.416 12.944 77.692 806.9 0.12861 262.7 1.31 0.99 0.85 31-JAN-2020 06:02:02:50.000 OVER = 3
显示从Arduino硬件读取GPS数据的时间期间
格式。
gpsobj.timeformat =“持续时间”;[TT,Overruns] =读(GPSOBJ)
tt = 2×5 timetable Time LLA GroundSpeed Course DOPs GPSReceiverTime __________ __________________________ ___________ ______ ____________________ ________________________ 9.4257 sec 12.944 77.692 808.4 0.030867 4.93 1.51 0.78 1.29 31-Jan-2020 06:15:24.000 10.404 sec 12.944 77.692 808.4 0.051444 41.26 1.1 0.76 0.79 31-Jan-2020 06:15:25.000超支= 755
Read Data from GPS as a Matrix
创建一个Arduino对象,并包括串行库。
a = arduino('COM4',,,,'Mega2560',,,,'Libraries',,,,“系列”);
Create GPS object with additional properties.
gpsobj = gpsdev(a,“输出格式”,,,,“矩阵”,,,,“ SampleSperRead”,2);
读取GPS数据的样本。
[[lla,,,,速度,,,,course,dops,gpsReceiverTime,timestamp,overruns] = read(gpsObj)
lla = 12.9437 77.6916 807.4000 12.9437 77.6916 807。4000 speed = 0.0154 0.0463 course = 346.0100 270.2100 dops = 1.2400 0.9200 0.8300 1.7700 0.9900 1.4700 gpsReceiverTime = 2×1 datetime array 31-Jan-2020 06:07:01.000 31-Jan-2020 06:07:02.000 timestamp = 2×1 datetime array 31-Jan-2020 11:37:01.734 31-Jan-2020 11:37:02.436 overruns = 75