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View Code? Open in Web Editor NEWVBUS Decoder Library for Arduino
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alfredosola nomcode javier6d2 joschmax lmsbrubaker rnldnkp htaxil kavers1 nagyrobi ferao jgutker paulguru kollibarvbus-arduino-library's Issues
Send temperatures by MQTT
I have created this code to link this arduino library to an esp8266 device with tasmota firmware, with the driver
https://tasmota.github.io/docs/TasmotaClient/
It is very useful to send an MQTT message via Wi-Fi to link with Domoticz, Node Red, etc ...
I am not a programmer but the code works.
#include <avr/wdt.h>
#include <VBUSDecoder.h>
VBUSDecoder vb;
#include <Arduino.h>
#include <TasmotaSlave.h>
#if !(defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__))
//The #if condition is evaluated only at compile time. The "if" is evaluated at run time.
TasmotaSlave slave(&Serial);//Serial for Arduino UNO
#else
TasmotaSlave slave(&Serial3);//Serial3 para Arduino Mega
#endif
long lastTimevbus = 0;
long intervalvbus = 60000;
#define DEBUG 0
void setup() {
#if DEBUG
Serial.begin(9600);
Serial.println("Arduino debugging started");
#endif
#if !(defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__))
Serial.begin(115200); // Configure the Serial port for the correct baud rate. Serial for Arduino UNO
#else
Serial3.begin(115200); // Configure the Serial port for the correct baud rate. Serial3 for Arduino Mega
#endif
vb.initialise();
wdt_disable();
wdt_enable(WDTO_8S);
}
void loop() {
slave.loop(); // Call the slave loop function every so often to process incoming requests
vb.readSensor(); // Read the data from Vbus-UART in Serial1
wdt_reset();
if (millis() - lastTimevbus > intervalvbus) {
lastTimevbus = millis();
int S1Temp = vb.getS1Temp();
int S2Temp = vb.getS2Temp();
int S3Temp = vb.getS3Temp();
int S4Temp = vb.getS4Temp();
int P1Speed = vb.getP1Speed();
char SystemTime[5]; // The buffer to copy the characters into
vb.getSystemTime().toCharArray(SystemTime, 6); // To convert this string to a character array such that sprintf is expecting
int P1 = vb.getP1OperatingHours();
int P2 = vb.getP2OperatingHours();
uint32_t HeatQuantity = vb.getHeatQuantity();
float presion = 0.0689476 * 43.50 * (5.15 * analogRead(A0) / 1023.0 - 0.5); // el 0.15 se lo sumo al voltje de 5V como error de lectura del transductor en low
char* buffpresion = "";
dtostrf(presion, 4, 2, buffpresion);
char buffer[70];//sprintf works only on char array's
sprintf(buffer, "{%02d,%02d,%02d,%02d,%s,%02d,%02d,%lu,%s,%02d}", S1Temp, S2Temp, S3Temp, S4Temp, SystemTime, P1, P2, HeatQuantity, buffpresion, P1Speed); // Format data into character array
slave.SendTele(buffer); // SendTele(char *data) publish character array via MQTT to Tasmota
#if DEBUG
Serial.println("");
Serial.println("*** Fresh Read ***");
Serial.print("Collector Temp: ");
Serial.println(vb.getS1Temp());
Serial.print("Top Tank Temp: ");
Serial.println(vb.getS3Temp());
Serial.print("Bottom Tank Temp: ");
Serial.println(vb.getS2Temp());
Serial.print("Flow in Temp: ");
Serial.println(vb.getS4Temp());
Serial.print("Water Pump Status: ");
Serial.println(vb.getP1Status());
Serial.print("Water Pump Speed: ");
Serial.println(vb.getP1Speed());
Serial.print("Pump Hours Operation: ");
Serial.println(vb.getP1OperatingHours());
Serial.print("Backup Heater Hours Operation: ");
Serial.println(vb.getP2OperatingHours());
Serial.print("System Alert Status: ");
Serial.println(vb.getAlertStatus());
Serial.print("Scheme: ");
Serial.println(vb.getScheme());
Serial.print("System Time: ");
Serial.println(vb.getSystemTime());
Serial.print("HeatQuantity: ");
Serial.println(vb.getHeatQuantity());
Serial.println("*** End Read ***");
#endif
}
}
BOM for PCB?
Hi @FatBeard, this project looks super interesting and I'm looking to give it a try.
Would you happen to have a BOM for the components in the PCB you linked?
Thanks!
Can't print mentioned SMD PCB
Hello @FatBeard
I have finally managed to connect to my Resol solar controller's VBUS using this Sketch (thank you!) with components on a breadboard - so I'd like to move on to packaging it up nicely on a PCB.
I found your PCB on PCBs.io via the mentioned link, and ordered it from them - but it's not moving in the fabrication process after 16 days, and they're not replying to my emails/tweets at all!
Could you please share your Vbus PCB's board file (e.g. Eagle BRD file?) so I can get it printed somewhere else?
Controller Deltasol CS Plus
This is the code for the Deltasol CS Plus in case it is useful for someone
else if (Source_address == 0x2211)
{
// Frame info for the Resol DeltaSol CS Plus (Joule)
// check VBusprotocol specification for other products
// This library is made for the Resol DeltaSol CS Plus (0x2211)
//Offset Mask Name Factor Unit
//0 Temperature S1 1.0 °C
//1 Temperature S1 256.0 °C
//2 Temperature S2 1.0 °C
//3 Temperature S2 256.0 °C
//4 Temperature S3 1.0 °C
//5 Temperature S3 256.0 °C
//6 Temperature S4 1.0 °C
//7 Temperature S4 256.0 °C
//8 Pump Speed R1 1 %
//10 Operating Hours R1 1 h
//11 Operating Hours R1 256 h
//12 Pump Speed R2 1 %
//14 Operating Hours R2 1 h
//15 Operating Hours R2 256 h
//16 UnitType 1
//17 System 1
//20 1 Sensor 1 defekt 1
//20 2 Sensor 2 defekt 1
//20 4 Sensor 3 defekt 1
//20 8 Sensor 4 defekt 1
//20 Error Mask 1
//20 Error Mask 256
//22 Time 1
//23 Time 256
//24 Statusmask 1
//25 Statusmask 256
//26 Statusmask 65536
//27 Statusmask 16777216
//28 Heat Quantity 1 Wh
//29 Heat Quantity 256 Wh
//30 Heat Quantity 65536 Wh
//31 Heat Quantity 16777216 Wh
//32 SW-Version 0.01
//33 SW-Version 2.56
//
// Each frame has 6 bytes, FLength
// byte 1 to 4 are data bytes -> MSB of each bytes
// byte 5 is a septet and contains MSB of bytes 1 to 4, FSeptet
// byte 6 is a checksum
// FOffset 10, Offset start of Frames
//******************* Frame 1 *******************
#if DEBUG
Serial.println("---------------");
Serial.println("Now decoding for DeltaSol CS Plus 0x2211");
Serial.println("---------------");
#endif
//******************* Frame 1 *******************
F = FOffset;
Septet = Buffer[F + FSeptet];
InjectSeptet(Buffer, F, 4);
sensor1Temp = calcTemp(Buffer[F + 1], Buffer[F]);
sensor2Temp = calcTemp(Buffer[F + 3], Buffer[F + 2]);
//******************* Frame 2 *******************
F = FOffset + FLength;
Septet = Buffer[F + FSeptet];
InjectSeptet(Buffer, F, 4);
sensor3Temp = calcTemp(Buffer[F + 1], Buffer[F]);
sensor4Temp = calcTemp(Buffer[F + 3], Buffer[F + 2]);
//******************* Frame 3 *******************
F = FOffset + FLength * 2;
Septet = Buffer[F + FSeptet];
InjectSeptet(Buffer, F, 4);
Relay1 = (Buffer[F]);
OperatingHoursRelay1 = Buffer[F + 2] + Buffer[F + 3]*256; //Numero de horas rele 1
ErrorMask = Buffer[F + 2];
Scheme = Buffer[F + 3];
//******************* Frame 4 *******************
F = FOffset + FLength * 3;
Septet = Buffer[F + FSeptet];
InjectSeptet(Buffer, F, 4);
Relay2 = (Buffer[F]);
OperatingHoursRelay2 = Buffer[F + 2] + Buffer[F + 3]*256;
//******************* Frame 5 *******************
F = FOffset + FLength * 4;
Septet = Buffer[F + FSeptet];
InjectSeptet(Buffer, F, 4);
//******************* Frame 6 *******************
F = FOffset + FLength * 5;
Septet = Buffer[F + FSeptet];
InjectSeptet(Buffer, F, 4);
SystemTime = Buffer[F + 3] << 8 | Buffer[F + 2];
//******************* Frame 7 *******************
F = FOffset + FLength * 6;
Septet = Buffer[F + FSeptet];
InjectSeptet(Buffer, F, 4);
//******************* Frame 8 *******************
F = FOffset + FLength * 7;
Septet = Buffer[F + FSeptet];
InjectSeptet(Buffer, F, 4);
HeatQuantity = Buffer[F] + Buffer[F + 1]*256 + Buffer[F + 2]*65536 + Buffer[F + 3]*16777216;
uint32_t HeatQuantity1 = Buffer[F + 1]*256 ;
uint32_t HeatQuantity2 = Buffer[F + 2]*65536 + Buffer[F + 3]*16777216;
//HeatQuantity = HeatQuantity1;
///******************* End of frames ****************
} // end 0x2211 DeltaSol CS Plus
VBUS to ESP-arduino-Home assistant
Hello FatBeard,
I am now trying for days to get it working on my system without any succes.
For the VBUS to RS485 im awaiting a few components but i want to have it connected to my nodeMCU and send the data through esp to home assistant.
Any other way is also fine I don´t mind but whatever I try I seem to not understand it all.
Can you help me out? I just want to have the values in my Home asisstant but my knowledge is lacking.
missing closing } in function
Hello,
in function vBusRead()
the following code:
if (Bufferlength < 20)
{
lastTimeTimer = millis();
Bufferlength = 0;
}
else // <----- missing {
stop = true;
}
Please correct cpp file.
Testing needed
Hello,
I have added further CRC tests, now testing all the frames and a little bit of code cleanup.
Before making a PR I think it would be wise if someone else could do some testing.
The fork is at https://github.com/alfredosola/vbus-arduino-library
Thanks.
Vbus esp32
Is there a way to make this work on a esp32? I am not been able to do it.
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