Serial Write

R2026b

Write data to the serial device

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Serial Write block

To add a block to a model, double-click the canvas and start typing the block name. Then, select the block from the list.

Libraries:
Raspberry Pi Blockset / Communication

Description

Write data to a serial device connected to the Raspberry Pi^® hardware.

Note

To generate C/C++ code for this block, you must have an Embedded Coder^® license.

Ports

Input

Port_1 — The input port to accept data

[Nx1] or [1xN] array

The input port through which the block accepts data.

Data Types: single | double | int8 | int16 | int32 | uint8 | uint16 | uint32

Parameters

Board — The specific board used for serial communication

Pi 3 Model B (default) | Model B Rev1 | Model B Rev2 | Model B+ | Pi 2 Model B | Pi 3 Model B+ | Pi Zero W | Pi 4 Model B | Pi 5 Model

Select the specific board that you are using. Changing the board updates the pin choices that you get. To open the pin map of the Raspberry Pi board, click the View pin map.

Port — The port at which you want to connect to the serial device

/dev/ttyAMA0 (default)

The port to which to you want to connect from the selected Raspberry Pi board to the serial device. For Pi 3 Model B board, the default serial port is /dev/ttyS0.

Baudrate (in bits/s) — Bits per second

9600 (default) | 50 | 75 | 110 | 134 | 150 | 200 | 300 | 600 | 1200 | 1800 | 2400 | 4800 | 9600 | 19200 | 38400 | 57600 | 115200 | 230400

Select the rate at which the data is read over the serial line. The baud rate is measured as the number of bits read per second.

Parity — Even parity or the odd parity added to the data

None (default) | Even | Odd

Select the parity added to the data transmitted. A parity bit is used to detect error in data transmission.

• None – None value in this parameter means that no parity is used for error detection in the data transmission.

• Even parity – The parity bit value is 1, if the number of bits with value as 1 is odd. The parity bit value is 0, if the number of bits with value as 1 is even.

• Odd parity – The parity bit value is 1, if the number of bits with value as 1 is even. The parity bit value is 0, if the number of bits with value as 1 is odd.

Stop bits — The bit used as the stop bit

1 (default) | 2

Select the bit used as the stop bit in the data transmission. A stop bit marks the end of a unit of transmission.

Programmatic Use: Add Block

To add the block programmatically, use the add_block function with one of these library block paths as the source.

"raspberrypiCommlib/Serial Write"

Example: add_block("raspberrypiCommlib/Serial Write","myModel/myBlock",MakeNameUnique="on")

Extended Capabilities

C/C++ Code Generation

Generate C and C++ code using Simulink® Coder™.

To generate C/C++ code for this block, you must have an Embedded Coder license. For more information on selecting the right product stack according to your development goals, see Product Stack for Raspberry Pi Blockset.

Version History

Introduced in R2017a