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Component: Injector (GPS NMEA) ()

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Author Matrix Ltd
Version 1.0
Category


Injector (GPS NMEA) component

Comms data injector to allow simulation of NMEA style GPS messages

Detailed description

No detailed description exists yet for this component

Examples

GPS Example File GPS Example Example should show the Latitude generated by the GPS injector as well as the system time in simulation or UTC time on hardware.


Example data provided by the GPS NMEA injector component

Downloadable macro reference

InitialiseInjector
Sets up the injector ready to receive commands or send data 
- STRING InjectorName
Name of the console that will be created 
- BYTE Return


RxByteCount
Returns the number of bytes currently sat in the receive buffer. 
- UINT Return


RxByte
Attempt to receive a byte back from the injector 0 - 255 = Valid data 256 = RX timeout no data available 
- UINT Return


GetConsoleHandle
Gets the handle to the console allowing data displaying on the panel etc. 
[[File:]] - Return


UARTSend
 
- BYTE Channel
 
- BYTE Data
 
- VOID Return


Initialise
Sets up the GSM module. Returns 0 for OK, 255 for no reply and 254 for command fail. 
- BYTE Return


SampleAccel
Samples the accelerometer 0 = no new data, 1 = new data available 
- BYTE Return


Left
Rotates the robot left - waits for the angle to be traversed before returning 
- UINT Angle
Angle to turn in degrees 
- VOID Return


ReadIR
Reads an IR sensor 0=Left, 1=FrontLeft, 2=Front, 3=FrontRight, 4=Right, 5=RearRight, 6=Rear, 7=RearLeft 
- BYTE index
0=Left, 1=FrontLeft, 2=Front, 3=FrontRight, 4=Right, 5=RearRight, 6=Rear, 7=RearLeft 
- UINT Return


LCDDrawPixel
Allows a single pixel on the LCD to be set or cleared 
- BYTE X
X Pixel 0-127 
- BYTE Y
Y Pixel 0-31 
- BYTE State
0=White (Off), 1=Black (On) 
- VOID Return


ServoSetPosition
Allows one of the servo positions to be assigned 
- BYTE Channel
Range 0-3 
- BYTE Position
Range 0-255 
- VOID Return


CardBitmap
Displays a monochrome bitmap read from the card on the LCD 
- BYTE X
Range 0-127 
- BYTE Y
Range 0-31 
- STRING Filename
 
- BYTE Return


CardRecordMic
Records an audio stream on the card from the microphone 
- BYTE BitDepth
0=8-bit, 1=16-bit 
- BYTE SampleRate
Sample Rate 0=8KHz, 1=16KHz 
- UINT RecordTime
Time to record for in seconds, Range 0-65535 
- STRING Filename
 
- BYTE Return


CardOpen
Attempts to open an existing file on the SD card 255=Error, 1=File not found, 0=Open OK 
- STRING Filename
 
- BYTE Return


Forwards
Drives the robot forwards - waits for the distance to be traversed before returning 
- UINT Distance
Distance in mm 
- VOID Return


ReadBearing
Reads the compass bearing based on the degrees clockwise from magnetic north. 
[[File:]] - Return


GetConsoleHandle
Gets the handle to the console allowing data displaying on the panel etc. 
[[File:]] - Return


LCDDrawLine
Allows a single pixel width line to be drawn on the LCD 
- BYTE X1
X Pixel 0-127 
- BYTE Y1
Y Pixel 0-31 
- BYTE X2
X Pixel 0-127 
- BYTE Y2
Y Pixel 0-31 
- VOID Return


ServoAutoMoveToPosition
Allows one of the servo positions to move gradually to a new position 
- BYTE Channel
Range 0-3 
- BYTE Position
Range 0-255 
- VOID Return


ReadAllValue
Reads a single value stored from the read all command Index dictates which sensor value to read 
- BYTE Index
0=SW, 1-8=IR, 9-10=Line, 11=Light, 12=Mic, 13-15=Accel 
- UINT Return


LCDBacklight
Allows the LCD backlight brighntess to be adjusted 
- BYTE Intensity
Range 0-100, 0=Off, 1=Min Brightness, 100=Max Brightness 
- VOID Return


LCDDrawRect
Allows a rectangle to be drawn on the LCD 
- BYTE X1
X Pixel 0-127 
- BYTE Y1
Y Pixel 0-31 
- BYTE X2
X Pixel 0-127 
- BYTE Y2
Y Pixel 0-31 
- VOID Return


ReadLine
Reads one of the IR line sensors 0-1 0=Left, 1=Right 
- BYTE index
0=Left, 1=Right 
- UINT Return


ServoDisable
Allows one of the servo outputs 0-3 to be disabled 
- BYTE Channel
Range 0-3 
- VOID Return


ServoEnable
Allows one of the servo outputs 0-3 to be enabled 
- BYTE Channel
Range 0-3 
- VOID Return


CardReadByte
Reads a byte from the currently open file. Starts at the beginning of the file and auto increments to the end 
- BYTE Return


CardErase
Attempts to delete an existing file on the SD card 255=Error, 1=File not found, 0=Delete OK 
- STRING Filename
 
- BYTE Return


CardWriteByte
Appends a byte to the end of the currently open file  
- BYTE Data
 
- VOID Return


EncoderRead
Reads one of the motor encoder counters. Approx 0.328296mm of travel per encoder unit. 
- BYTE index
0=Left, 1=Right 
- UINT Return


SetMotors
Sets the motor speeds without feedback Range -100 to 100 
[[File:]] - Left
Range -100 to 100 
[[File:]] - Right
Range -100 to 100 
- VOID Return


Backwards
Drives the robot backwards - waits for the distance to be traversed before returning 
- UINT Distance
Distance in mm 
- VOID Return


EncoderReset
Resets the motor encoder counters 
- VOID Return


LCDVerbose
Allows the LCD to automatically report the API commands as they get processed. Default - verbose on 
- BYTE State
0=Off 1=On 
- VOID Return


SetProp
Allows the COM port property to be set from a parent component. 
- STRING PropName
 
- ULONG PropVal
 
- VOID Return


CardInit
Attempts to startup the SD card 255=No Card, 254=Init Fail, 0=Init OK 
- BYTE Return


GetProp
Allows the property filter for the COM port list to be copied to a parent component. 
- STRING PropName
 
- STRING Return


LCDClear
Clears the LCD 
- VOID Return



Property reference

Properties
Data Period (ms)
Amount of time in milliseconds to wait between each GPS NMEA packet is sent. Default 1000. 
Circular Buffer Size
Max number of bytes the receive queue can hold. Default 1000. 
Data Valid
Injected GPS data validity 
Altitude
Injected GPS Altitude 
Course Over Ground
Injected GPS course over ground (COG) 
Dilution Of Precision
Injected GPS dilution of precision (DOP) 
Ground Speed
Injected GPS ground speed (Knotts) 
HDOP
Injected GPS horizontal dilution of precision (HDOP) 
Latitude
Injected GPS lattitude 
Longitude
Injected GPS longitude 
Number Of Satellites
Injected GPS number of active satellites 
VDOP
Injected GPS vertical dilution of precision (VDOP) 
Data Source
Injected GPS source for UTC time and date 
Connections
Simulations