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- Project: "Arduino Temperature Modbus"
- Source Code compiled for: Arduino Mega
- Source Code created on: 2024-01-02 13:26:54
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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
/* modbus slave */
/****** END SYSTEM REQUIREMENTS *****/
/****** DEFINITION OF LIBRARIES *****/
#include
#include
#include
/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void prepareResponse03(uint8_t *frame, uint8_t *data);
/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t ANALOGSENSOR2_DS18B20_DQ_PIN_D2 = 2;
/***** DEFINITION OF ANALOG INPUT PINS *****/
const uint8_t ANALOGSENSOR2_Potentiometer_Vout_PIN_A0 = A0;
/****** DEFINITION OF LIBRARY CLASS INSTANCES*****/
OneWire oneWire(ANALOGSENSOR2_DS18B20_DQ_PIN_D2);
DallasTemperature dallasTemp(&oneWire);
NonBlockingDallas sensorDs18b20(&dallasTemp);
ModBusSlave0 mod;
void setup(void)
{
// put your setup code here, to run once:
Serial.begin(9600);
sensorDs18b20.begin(NonBlockingDallas::resolution_12, NonBlockingDallas::unit_C, 1500); // Initialize the NonBlockingDallas library
mod.begin(57600, ANALOGSENSOR2_DS18B20_DQ_PIN_D2, 100); // Initialize the ModBusSlave0 library
mod.prepareResponse03 = prepareResponse03; // Set the callback function for response preparation
}
void loop(void)
{
// put your main code here, to run repeatedly:
sensorDs18b20.update(); // Update the NonBlockingDallas library
mod.process(); // Process Modbus requests
}
void prepareResponse03(uint8_t *frame, uint8_t *data)
{
// Implement the logic for preparing the response to Modbus function code 03 (Read Holding Registers)
}