-val: a value to send as a single byte.
-str: a string

Question

-val: a value to send as a single byte.
-str: a string to send as a series of bytes.
-buf: an array to send as a series of bytes.
-len: the number of bytes to be sent from the array.
Return: write() will return the number of bytes written, though reading that number is optional. Data
type: size_t.
3. Serial.read():
Description: Reads incoming serial data.
Syntax: Serial.read()
Parameters:
Serial: serial port object. See the list of available serial ports for each board on the Serial main page.
Return: The first byte of incoming serial data available (or -1 if no data is available). Data type: int.
Page 16 of 16
4. Serial.available():
Description: Get the number of bytes (characters) available for reading from the serial port.
Syntax: Serial.available()
Parameters: Serial: serial port object. See the list of available serial ports for each board on the Serial
main page.
Returns: The number of bytes available to read.
Data Processing/Data Storage Subsystems
The microcontroller utilized in this lab project is the ATmega2560, which is found on the Arduino Mega 2560
board. This powerful microcontroller works at a clock speed of 16 MHz. It is equipped with 256KB of flash
memory for storing the program code, SKB of SRAM for storing variables, and 4KB of EEPROM
Data Processing Operation:
<describe code statement and/or library function(s) used for processing data, for each library function used in the lab
code, include following information: Description, Syntax, Parameters, Retum value>
Description:
Syntax:
Parameters:
Returns:
Description:
Syntax:
Parameters:
Returns:/nPage 16 of 18
Internal UART Point of interaction: The Arduino Mega 2560 board utilizes its internal UART interface
for serial communication. The board has a few UART interfaces, one of which is associated with the
USB point of interaction to permit serial data communication with the PC.
■ USB Point of interaction: The external communication with the PC is finished through the USB
interface, allowing serial data to be sent to the PC where it's perused by the Processing environment. Thi
USB association copies a serial port on the PC, which is a typical strategy for communication among
microcontrollers and computers.
1. Serial.begin():
Description: Sets the data rate in bits per second (baud) for serial data transmission.
Syntax: Serial.begin(speed) and Serial.begin(speed, config)
Parameters:
Serial: serial port object. See the list of available serial ports for each board on the Serial main page.
speed: in bits per second (baud). Allowed data types: long. config:
sets data, parity, and stop bits. Valid values are:
SERIAL_5NI
SERIAL_6N1
SERIAL 7N1
SERIAL 8N1 (the default)
SERIAL_5N2
SERIAL_6N2
SERIAL_7N2
SERIAL 8N2
SERIAL 5E1: even parity
SERIAL_6E1
SERIAL 7E1
SERIAL_8E1
SERIAL_5E2
SERIAL_6E2
SERIAL 7E2
SERIAL_8E2
SERIAL 501: odd parity
SERIAL_601
SERIAL 701
SERIAL 801

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