Senzor sol cu RS485 si arduino uno

#include <Wire.h>
#include <SoftwareSerial.h> //Library to convert Digital Output pins of the board to transmitter as well as receiver

#define RE 8
#define DE 7

const byte ph[]	 = {0x01,0x03,0x00,0x00,0x00,0x03,0x05,0xCB};
byte values[11];
SoftwareSerial mod(2,3); // RX, TX ( Creates a new SoftwareSerial object )

void setup() {
Serial.begin(9600);
mod.begin(9600);
pinMode(RE, OUTPUT);
pinMode(DE, OUTPUT);
}

void loop() {
float val1;
val1 = Ph();
delay(250);

Serial.print("PH : ");
Serial.println(val1);
delay(2000);
}
float Ph(){
float PH3and4;
digitalWrite(DE,HIGH);
digitalWrite(RE,HIGH);
delay(10);
if(mod.write(ph,sizeof(ph))==8){
digitalWrite(DE,LOW);
digitalWrite(RE,LOW);
// When we send the inquiry frame to the NPK sensor, then it replies with the response frame
// now we will read the response frame, and store the values in the values[] arrary, we will be using a for loop.
for(byte i=0;i<7;i++){
//Serial.print(mod.read(),HEX);
values[i] = mod.read();
//Serial.println(values[i],HEX);
}
PH3and4 = (((values[3] * 256.0) + values[4])/100); // converting hexadecimal to decimal
Serial.println();
}
return (PH3and4);
}

Edited by vladuzz7, 16 January 2022 - 17:38.

byte mySensorByte = value[x];

int mySensorInt = value[x] << 8 + value[x + 1];
//sau
int mySensorInt = value[x] * 256 + value[x + 1];

int mySensorInt = value[x] << 8 + value[x-1];

long mySensorLong = value[x] << 24 + value[x + 1] << 16 + value[x + 2] << 8 + value[x + 3];

long mySensorLong = 0;
for(byte x = 0; x < 4; x++) mySensorLong = value[x] << (8 * (3 - x));

Edited by mihaicozac, 16 January 2022 - 18:59.

mihaicozac, on 16 ianuarie 2022 - 18:56, said:

byte mySensorByte = value[x];

int mySensorInt = value[x] << 8 + value[x + 1];
//sau
int mySensorInt = value[x] * 256 + value[x + 1];

int mySensorInt = value[x] << 8 + value[x-1];

long mySensorLong = value[x] << 24 + value[x + 1] << 16 + value[x + 2] << 8 + value[x + 3];

long mySensorLong = 0;
for(byte x = 0; x < 4; x++) mySensorLong = value[x] << (8 * (3 - x));

int adc_get_mV(byte adc) {						 //CITIRE DIN ADS1115
byte high_byte, low_byte;
i2c_start_wait(adc + I2C_WRITE);
i2c_write(0x01); //CONFIG REGISTER
i2c_write(0x02); //MSB REG
i2c_write(0x03); //LSB REG
i2c_stop();
i2c_start_wait(adc + I2C_WRITE);
i2c_write(0x00); //DATA REGISTER
i2c_rep_start(adc + I2C_READ);
high_byte = i2c_readAck();
low_byte = i2c_readAck();
i2c_stop();
unsigned int mV = high_byte * 256 + low_byte; //CONVERSIE CITIRI ADS IN MILIVOLTI
return mV;
}

int batt_voltage1 = adc_get_mv(0x48 << 1);

Edited by mihaicozac, 16 January 2022 - 22:16.

luka, on 16 ianuarie 2022 - 22:49, said:

Edited by gmartau, 16 January 2022 - 23:26.

#include <Wire.h>
#include <SoftwareSerial.h> //Library to convert Digital Output pins of the board to transmitter as well as receiver

#define RE 8
#define DE 7

const byte tempe[]	 = {0x01,0x03,0x00,0x01,0x00,0x01,0xD5,0xCA};
byte values[11];
SoftwareSerial mod(2,3); // RX, TX ( Creates a new SoftwareSerial object )

void setup() {
Serial.begin(9600);
mod.begin(9600);
pinMode(RE, OUTPUT);
pinMode(DE, OUTPUT);
}

void loop() {
float val1;
val1 = temp();
delay(250);

Serial.print("Temperature : ");
Serial.println(val1);
delay(2000);
}
float temp(){
float tp;
digitalWrite(DE,HIGH);
digitalWrite(RE,HIGH);
delay(10);
if(mod.write(tempe,sizeof(tempe))==8){
digitalWrite(DE,LOW);
digitalWrite(RE,LOW);
// When we send the inquiry frame to the NPK sensor, then it replies with the response frame
// now we will read the response frame, and store the values in the values[] arrary, we will be using a for loop.
for(byte i=0;i<7;i++){
//Serial.print(mod.read(),HEX);
values[i] = mod.read();
//Serial.println(values[i],HEX);
}
tp = (((values[3] * 256.0) + values[4])/100); // converting hexadecimal to decimal
Serial.println();
}
return (tp);
}

Edited by vladuzz7, 29 January 2022 - 00:17.

Edited by vladuzz7, 29 January 2022 - 01:05.

luka, on 29 ianuarie 2022 - 15:40, said:

mihaicozac, on 29 ianuarie 2022 - 17:14, said:

Edited by vladuzz7, 29 January 2022 - 17:37.

mihaicozac, on 29 ianuarie 2022 - 17:37, said:

#include <AltSoftSerial.h>
// RO to pin 8 & DI to pin 9 when using AltSoftSerial
#define RE 6
#define DE 7
const byte nitro[] =		 {0x01, 0x03, 0x00, 0x04, 0x00, 0x01, 0xC5, 0xCB};
const byte phos[] =		 {0x01, 0x03, 0x00, 0x05, 0x00, 0x01, 0x94, 0x0B};
const byte pota[] =		 {0x01, 0x03, 0x00, 0x06, 0x00, 0x01, 0x64, 0x0B};
const byte soil_ph[] =	 {0x01, 0x03, 0x00, 0x03, 0x00, 0x01, 0x74, 0x0A};
const byte soil_moist[] =	 {0x01, 0x03, 0x00, 0x00, 0x00, 0x01, 0x84, 0x0A};
const byte soil_temp[] =	 {0x01, 0x03, 0x00, 0x01, 0x00, 0x01, 0xD5, 0xCA};
byte values[11];
AltSoftSerial mod;
void setup() {
Serial.begin(9600);
mod.begin(4800);
pinMode(RE, OUTPUT);
pinMode(DE, OUTPUT);
// put RS-485 into receive mode
digitalWrite(DE, LOW);
digitalWrite(RE, LOW);
delay( 1000 );
}
void loop() {
byte val1, val2, val3, val4, val5, val6;
Serial.print(" Nitrogen: ");
val1 = nitrogen();
Serial.print(" = ");
Serial.print(val1);
Serial.println(" mg/kg");
delay(250);
Serial.print("Phosphorous: ");
val2 = phosphorous();
Serial.print(" = ");
Serial.print(val2);
Serial.println(" mg/kg");
delay(250);
Serial.print(" Potassium: ");
val3 = potassium();
Serial.print(" = ");
Serial.print(val3);
Serial.println(" mg/kg");
Serial.print(" PH: ");
val4 = ph();
Serial.print(" = ");
Serial.print(val4);
Serial.println();
Serial.print(" Moisture: ");
val5 = moisture();
Serial.print(" = ");
Serial.print(val5);
Serial.println(" %");

Serial.println();

Serial.print(" Temperature: ");
val5 = temperature();
Serial.print(" = ");
Serial.print(val6);
Serial.println(" Celsius");

Serial.println();
delay(1000);
}
byte temperature() {
// clear the receive buffer
mod.flushInput();
// switch RS-485 to transmit mode
digitalWrite(DE, HIGH);
digitalWrite(RE, HIGH);
delay(10);
// write out the message
for (uint8_t i = 0; i < sizeof(soil_temp); i++ ) mod.write( soil_temp[i] );
// wait for the transmission to complete
mod.flush();

// switch RS-485 to receive mode
digitalWrite(DE, LOW);
digitalWrite(RE, LOW);
// crude delay to allow response bytes to be received!
delay(100);
// read in the received bytes
for (byte i = 0; i < 7; i++) {
values[i] = mod.read();
Serial.print(values[i], HEX);
Serial.print(' ');
}
return values[4];
}
byte moisture() {
// clear the receive buffer
mod.flushInput();
// switch RS-485 to transmit mode
digitalWrite(DE, HIGH);
digitalWrite(RE, HIGH);
delay(10);
// write out the message
for (uint8_t i = 0; i < sizeof(soil_moist); i++ ) mod.write( soil_moist[i] );
// wait for the transmission to complete
mod.flush();

// switch RS-485 to receive mode
digitalWrite(DE, LOW);
digitalWrite(RE, LOW);
// crude delay to allow response bytes to be received!
delay(100);
// read in the received bytes
for (byte i = 0; i < 7; i++) {
values[i] = mod.read();
Serial.print(values[i], HEX);
Serial.print(' ');
}
return values[4];
}
byte ph() {
// clear the receive buffer
mod.flushInput();
// switch RS-485 to transmit mode
digitalWrite(DE, HIGH);
digitalWrite(RE, HIGH);
delay(10);
// write out the message
for (uint8_t i = 0; i < sizeof(soil_ph); i++ ) mod.write( soil_ph[i] );
// wait for the transmission to complete
mod.flush();

// switch RS-485 to receive mode
digitalWrite(DE, LOW);
digitalWrite(RE, LOW);
// crude delay to allow response bytes to be received!
delay(100);
// read in the received bytes
for (byte i = 0; i < 7; i++) {
values[i] = mod.read();
Serial.print(values[i], HEX);
Serial.print(' ');
}
return values[4]/10;
}
byte nitrogen() {
// clear the receive buffer
mod.flushInput();
// switch RS-485 to transmit mode
digitalWrite(DE, HIGH);
digitalWrite(RE, HIGH);
delay(10);
// write out the message
for (uint8_t i = 0; i < sizeof(nitro); i++ ) mod.write( nitro[i] );
// wait for the transmission to complete
mod.flush();

// switch RS-485 to receive mode
digitalWrite(DE, LOW);
digitalWrite(RE, LOW);
// crude delay to allow response bytes to be received!
delay(100);
// read in the received bytes
for (byte i = 0; i < 7; i++) {
values[i] = mod.read();
Serial.print(values[i], HEX);
Serial.print(' ');
}
return values[4];
}
byte phosphorous() {
mod.flushInput();
digitalWrite(DE, HIGH);
digitalWrite(RE, HIGH);
delay(10);
for (uint8_t i = 0; i < sizeof(phos); i++ ) mod.write( phos[i] );
mod.flush();
digitalWrite(DE, LOW);
digitalWrite(RE, LOW);
delay(100);
for (byte i = 0; i < 7; i++) {
values[i] = mod.read();
Serial.print(values[i], HEX);
Serial.print(' ');
}
return values[4];
}
byte potassium() {
mod.flushInput();
digitalWrite(DE, HIGH);
digitalWrite(RE, HIGH);
delay(10);
for (uint8_t i = 0; i < sizeof(pota); i++ ) mod.write( pota[i] );
mod.flush();
digitalWrite(DE, LOW);
digitalWrite(RE, LOW);
delay(100);
for (byte i = 0; i < 7; i++) {
values[i] = mod.read();
Serial.print(values[i], HEX);
Serial.print(' ');
}
return values[4];
}

Edited by vladuzz7, 29 January 2022 - 18:04.