The Qt Serial Port module provides the following examples for reference to help understand the API usage.
RS-485, also known as TIA-485(-A) or EIA-485, is a standard defining the electrical characteristics of drivers and receivers for use in serial communications systems. Electrical signaling is balanced, and multipoint systems are su. Qt Serial Port Rs485 Average ratng: 8,8/10 7489 votes. Progdvb Plugins By Den78 V10 9 Free Download here. Terminal shows how to create a terminal for a simple serial interface by using. This example shows the main features of the class, like configuration, I/O implementation and so forth. Also, the class is invoked to display information about.
Running the Examples
To run the examples from Qt Creator, open the Welcome mode and select the example from Examples. For more information, visit Building and Running an Example.
Shows how to use the synchronous API of QSerialPort in a worker thread. |
Shows how to use the synchronous API of QSerialPort in a non-GUI thread. |
Shows how to get information about serial devices in a system. |
Shows how to receive data asynchronously over serial port. |
Shows how to receive data synchronously over serial port. |
Shows how to send data asynchronously over serial port. |
Shows how to send data synchronously over serial port. |
Shows how to display information about serial devices in a system. |
Shows how to use various features of QSerialPort. |
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I've successfully read data from EKM metering by using Python as in http://forum.ekmmetering.com/viewtopic.php?f=4&t=3472 link.But before that I've tried to use C++ for a long time but it is unsuccessful. I follow this document http://www.chemie.fu-berlin.de/chemnet/ ... tml#SEC237, the below is my codeThe result is
Send result [17]
Read result [0]
pi@raspberrypi:~/solarD/src $ ./solar.out
Send result [17]
Read result [2] 30 30
And when I dump serial port, it show me that there are something has received as below
00000001766100000000000000000000000000000000000000000000000000000000000000000000000000000002320000000000000000000000000000000000000000000000000000C000C000C0000000000011512080313555702000000000000000000000000000000000000000000000000000000000000!
=00000001766100000000000000000000000000000000000000000000000000000000000000000000000000000002324000000000000000000000000000000000000000000000000000C000C000C0000000000011512080313560302000000000000000000000000000000000000000000000000000000000000!
Rs485 Serial Pinout
Rs485 Pinout
