Parsing Serial Data

Projects Programming
1

Hello, I'm working on a hardware monitor project and I need some help.

I need to extract some data from serial to variables like:
cpuTemperature;
cpuUsage;
gpuTemperature;
gpuUsage;
ramUsage;
ramRemained.

This is an example of what I receive as Serial Data:

C42c 3%|G43c 0%|R8.3GB|RA7.7|RL51|GMT|GMU|GML|GFANL0|GRPM|GPWR|CPU:AMD Ryzen 7 2700XGPU:Radeon RX 570 Series|GCC588|GMC1000|CHC4017|

C(cpuTemperature)c (cpuUsage)%|G(gpuTemperature)c (gpuUsage)%|R(ramUsage)GB|RA(ramRemained)|.... These data are important.

Thank you!

2

So, where are you stuck? What have you tried so far?

3

gfvalvo:
So, where are you stuck? What have you tried so far?

I'm a beginner in c++. I tried some codes from youtube but I didn't understand them. I need the whole code to get all data that I mention before.

4

simion1z1:
I need the whole code to get all data that I mention before.

Sadly, this forum is not a free code writing service. It's purpose is to help people write their own code. You might try posting your question over at Gigs and Collaborations. There you may be able to negotiate a mutually-agreeable price for someone to write the code for you.

5

Basically 90% of the code for the project I have done it. I need just a method to extract that data in variables.

6

This is an example of what I receive as Serial Data:

What is the code which reads the serial data?

strtok() will be useful if you have a null terminated character array.

7

Here is some serial parsing code I use, perhaps it will give a clue or two or not.

void fParseLIDAR_ReceivedSerial ( void * parameters )
{
  // distribute received LIDAR info
  String sTmp = "";
  sTmp.reserve ( 20 );
  String sMessage = "";
  sMessage.reserve ( StringBufferSize300 );
  for ( ;; )
  {
    EventBits_t xbit = xEventGroupWaitBits (eg, evtParseLIDAR_ReceivedSerial, pdTRUE, pdTRUE, portMAX_DELAY) ;
    xQueueReceive ( xQ_LIDAR_Display_INFO, &sMessage, QueueReceiveDelayTime );
    int commaIndex = sMessage.indexOf(',');
    sTmp.concat ( sMessage.substring(0, commaIndex) );
    sMessage.remove( 0, (commaIndex + 1) ); // chop off begining of message
    if ( sTmp == "!" )
    {
      xSemaphoreGive ( sema_LIDAR_OK );
      //  Display info from LIDAR
      sLIDAR_Display_Info = sMessage;
    }
    if ( sTmp == "$" )
    {
      xEventGroupSetBits( eg1, evtResetWatchDogVariables );
    }
    if ( sTmp == "#")
    {
      xSemaphoreTake( sema_LIDAR_Alarm, xSemaphoreTicksToWait );
      sLIDAR_Alarm_info = sMessage;
      xSemaphoreGive( sema_LIDAR_Alarm );
      xEventGroupSetBits( eg, evtfLIDAR_Alarm );
    }
    sTmp = "";
    sMessage = "";
    xSemaphoreGive( sema_ParseLIDAR_ReceivedSerial );
  }
  vTaskDelete( NULL );
} // void fParseReceivedSerial ( void * parameters )
8

The parse example in Serial Input Basics may help - it uses strtok()

...R

9

Check out my GPS parsing example
https://www.forward.com.au/pfod/ArduinoProgramming/Serial_IO/index.html#GPS

How is the input data terminated.
i.e. how do you know when on set of data is finished and another starts?

10

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