Files
ModbusThermometer/ModbusThermometer.cpp
2014-11-17 22:08:58 +01:00

128 lines
3.4 KiB
C++

#include "Arduino.h"
#include "Metro.h"
#include "ads1210.h"
#include "led.h"
#include "SimpleModbusSlave.h"
#include "Thermometer.h"
#include "Config.h"
const uint8_t LED_PIN = 8;
const uint8_t ADC_1_CS_PIN = 9;
const uint8_t ADC_1_RDY_PIN = 7;
const uint8_t ADC_2_CS_PIN = 2;
const uint8_t ADC_2_RDY_PIN = 3;
const uint8_t MODBUS_TX_ENABLE_PIN = 6;
const uint8_t MODBUS_ID = 3;
const uint32_t MODBUS_BAUD = 1200;
const uint8_t NUM_OF_CHANNELS = 2;
ADS1210 ads1210[NUM_OF_CHANNELS];
Thermometer thermometer[NUM_OF_CHANNELS];
LED led;
Metro secondTick = Metro(1000);
uint32_t uptimeSeconds;
struct {
struct {
union {
uint32_t in;
uint16_t modbusRegisters[2];
} adcValue;
union {
float in;
uint16_t modbusRegisters[2];
} adcU;
union {
float in;
uint16_t modbusRegisters[2];
} adcR;
union {
float in;
uint16_t modbusRegisters[2];
} calOffset;
union {
float in;
uint16_t modbusRegisters[2];
} calFactor;
union {
float in;
uint16_t modbusRegisters[2];
} temperatureRaw;
union {
float in;
uint16_t modbusRegisters[2];
} temperature;
union {
float in;
uint16_t modbusRegisters[2];
} alpha;
} channelVariables[NUM_OF_CHANNELS];
union {
uint32_t in;
uint16_t modbusRegisters[2];
} uptimeSeconds;
} modbusHoldingRegisters;
void setup() {
delay(100);
bool initializeConfig = Config::initialize();
led.begin(LED_PIN);
ads1210[0].begin(ADC_1_CS_PIN, ADC_1_RDY_PIN, initializeConfig, Config::ADC1START);
ads1210[1].begin(ADC_2_CS_PIN, ADC_2_RDY_PIN, initializeConfig, Config::ADC2START);
thermometer[0].begin(initializeConfig, Config::THERMO1START);
thermometer[1].begin(initializeConfig, Config::THERMO2START);
modbus_configure(&Serial, MODBUS_BAUD, SERIAL_8N2, MODBUS_ID, MODBUS_TX_ENABLE_PIN,
sizeof(modbusHoldingRegisters), (uint16_t*)(&modbusHoldingRegisters));
uptimeSeconds = 0;
for (uint8_t i = 0; i < NUM_OF_CHANNELS; i++) {
modbusHoldingRegisters.channelVariables[i].calOffset.in = ads1210[i].calOffset;
modbusHoldingRegisters.channelVariables[i].calFactor.in = ads1210[i].calFactor;
modbusHoldingRegisters.channelVariables[i].alpha.in = thermometer[i].alpha;
}
}
void loop() {
for (uint8_t i = 0; i < NUM_OF_CHANNELS; i++) {
ads1210[i].exec();
modbusHoldingRegisters.channelVariables[i].adcValue.in = ads1210[i].value;
modbusHoldingRegisters.channelVariables[i].adcU.in = ads1210[i].u;
modbusHoldingRegisters.channelVariables[i].adcR.in = ads1210[i].r;
thermometer[i].exec(ads1210[i].r);
modbusHoldingRegisters.channelVariables[i].temperatureRaw.in = thermometer[i].temperatureRaw;
modbusHoldingRegisters.channelVariables[i].temperature.in = thermometer[i].temperature;
if (modbusHoldingRegisters.channelVariables[i].calOffset.in != ads1210[i].calOffset) {
ads1210[i].calOffset = modbusHoldingRegisters.channelVariables[i].calOffset.in;
}
if (modbusHoldingRegisters.channelVariables[i].calFactor.in != ads1210[i].calFactor) {
ads1210[i].calOffset = modbusHoldingRegisters.channelVariables[i].calFactor.in;
}
if (modbusHoldingRegisters.channelVariables[i].alpha.in != thermometer[i].alpha) {
thermometer[i].alpha = modbusHoldingRegisters.channelVariables[i].alpha.in;
}
}
modbus_update();
if (secondTick.check() == 1) {
led.toggle();
uptimeSeconds++;
modbusHoldingRegisters.uptimeSeconds.in = uptimeSeconds;
}
}