ARDUINO MEGA Functions Serial Link
The Arduino MEGA has 4 user serial ports - 1 reversed for the system and 3 user controllable serial ports. These serial ports can be configured in code or via the Motors and Sensor Setup window. The serial ports are buffered - a 70 byte receive buffer and a 40 byte transmit buffer.
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getChar
short getChar(const TUARTs nPort) | |||||||
(short) Function will retrieve the next character from the buffer that was sent to port 'nPort'.
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sendChar
void sendChar(const TUARTs nPort, short nChar) | ||||||||||
(void) Function will send the next character to port 'nPort'.
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setBaudRate
void setBaudRate(const TUARTs nPort, TBaudRate nBaudRate) | ||||||||||
(void) Function will set the Baud Rate for port 'nPort'.
Acceptable Baud Rates: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 200000, 230400 and 250000.
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configureSerialPort
void configureSerialPort(const TUARTs nPort, TSerialPortMode nMode) | ||||||||||
(void) This function will manually configure the serial port for a specific mode (system, user, Xbee, VEX LCD, etc). You can also set this same functionality using the "Motors and Sensor Setup" window.
typedef enum TSerialPortMode { uartSystemCommPort = 1, // Standard ROBOTC IDE System Messaging Port uartUserControl = 2, // Fully user controlled. uartVEXLCD = 3, // VEX 2x15 LCD. Manages LCD updates in background. uartXBeeZigBee = 4, // UART used for XBee ZigBee networking uartXBeeWiFi = 5, // UART used for XBee WiFi networking uartCMUCAM = 6, // Legacy CMU Cam (Rev.1) support uartSerialGPS = 7, // Connected to a serial GPS } TSerialPortMode;
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bXmitComplete
bool bXmitComplete(const TUARTs nPort) | |||||||
(bool) Function will return if the transmit (Xmit) buffer is empty.
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