adding labels for any other stats and settings of interest

[Jipsey-A]

Hi @winginitau ,
Please could you explain how to do this? I would like to 'look at' VPV.
I'm hoping to use an Arduino to read the VPV reading from MPPT, then to use this to vary the speed of a small motor - creating an artwork that encourages interaction with a solar panel to see how it affects the voltage generated.
I'm fairly new to this. I tried adding VPV in to the .h file where I could see voltage etc, using similar format, but that doesn't appear to have worked.
Thank you!

[Jipsey-A]

This is my amended VEDirect.h

`/******************************************************************
VEDirect Arduino

Copyright 2018, 2019, Brendan McLearie
Distributed under MIT license - see LICENSE.txt

See README.md

File: VEDirect.h

• Class / enums / API

Updates:

• 2019-07-14:
  • Rewrite of read - cleaner.
  • Target labels extendible with enum and PROGMEM strings
  • Retired copy_raw_to_serial0() code - use VE_DUMP on read
  • Added some tunable parameters see #defines
• 2020-04-10:
  • Convert to SoftwareSerial so ESP8266 can use native usb serial for debug
    ******************************************************************/

#ifndef VEDIRECT_H_
#define VEDIRECT_H_

#include <Arduino.h>
#include <SoftwareSerial.h>

// Tunable parameters - defaults tested on mega2560 R3
#define VED_LINE_SIZE 30 // Seems to be plenty. VE.Direct protocol could change
#define VED_MAX_LEBEL_SIZE 6 // Max length of all labels of interest + '\0'. See ved_labels[]
#define VED_MAX_READ_LOOPS 60000 // How many read loops to be considered a read time-out
#define VED_MAX_READ_LINES 50 // How many lines to read looking for a value
// before giving up. Also determines lines for diag dump
#define VED_BAUD_RATE 19200

// Extend this and ved_labels[] for needed inclusions
enum VE_DIRECT_DATA {
VE_DUMP = 0,
VE_SOC,
VE_VOLTAGE,
VE_POWER,
VE_CURRENT,
VE_ALARM,
VE_VPV,
VE_LAST_LABEL,
};

const char ved_labels[VE_LAST_LABEL][VED_MAX_LEBEL_SIZE] PROGMEM = {
"Dump", // a string that won't match any label
"SOC",
"V",
"P",
"I",
"Alarm",
"VPV",
};

class VEDirect {
public:
VEDirect(byte rxPin, byte txPin);
virtual ~VEDirect();
uint8_t begin();
int32_t read(uint8_t target);
void copy_raw_to_serial0(); // kept for backwards compatibility
private:
SoftwareSerial& VESerial;
};

#endif /* VEDIRECT_H_ */