- Hello, do you have Matlab program to evaluate the performance of WAAS?
How to send commands to gps via usb and defined as a serial port?
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Hello,
I am reading data from the BU-353S4 gps unit and have defined the connection as a serial/com. It receives commands in the NMEA system in order to define what outputs to give. This commands have the following format:
Enable WAAS/EGNOS - $PSRF151,01*0F
Disable WAAS/EGNOS - $PSRF151,00*0E
Enable GGA Output 1sec - $PSRF103,0,0,1,1*25
Disable GGA Output - $PSRF103,0,0,0,1*24
Enable GLL Output 1sec - $PSRF103,1,0,1,1*24
Disable GLL Output - $PSRF103,1,0,0,1*25
Enable GSA Output 5sec - $PSRF103,2,0,5,1*23
Disable GSA Output - $PSRF103,2,0,0,1*26
Enable GSV Output 10sec - $PSRF103,3,0,10,1*16
Disable GSV Output - $PSRF103,3,0,0,1*27
Enable RMC Output 1sec - $PSRF103,4,0,1,1*21
Disable RMC Output - $PSRF103,4,0,0,1*20
Enable VTG Output 1sec - $PSRF103,5,0,1,1*20
Disable VTG Output - $PSRF103,5,0,0,1*21
Enable ZDA Output 1sec - $PSRF103,8,0,1,1*2D
Disable ZDA Output - $PSRF103,8,0,0,1*2C
The commands start with the $ sign. How can I send any of these to the gps through MATLAB?
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Walter Roberson
le 14 Déc 2018
serial(). set properties. fopen(). fprintf() to send data. fclose when done.
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