96 lines
1.9 KiB
C++
96 lines
1.9 KiB
C++
#include "Arduino.h"
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#include "Metro.h"
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#include "ads1210.h"
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#include "led.h"
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#include "SimpleModbusSlave.h"
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const uint8_t LED_PIN = 8;
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const uint8_t ADC_1_CS_PIN = 9;
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const uint8_t ADC_1_RDY_PIN = 7;
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const uint8_t ADC_2_CS_PIN = 2;
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const uint8_t ADC_2_RDY_PIN = 3;
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const uint8_t MODBUS_TX_ENABLE_PIN = 6;
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const uint8_t MODBUS_ID = 3;
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const uint32_t MODBUS_BAUD = 1200;
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ADS1210 ads1210_1;
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ADS1210 ads1210_2;
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LED led;
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Metro secondTick = Metro(1000);
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uint32_t uptimeSeconds;
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struct {
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union {
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uint32_t in;
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uint16_t modbusRegisters[2]; // 0, 1
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} adc1Value;
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union {
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float in;
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uint16_t modbusRegisters[2]; // 2, 3
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} adc1U;
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union {
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float in;
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uint16_t modbusRegisters[2]; // 4, 5
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} adc1R;
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union {
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uint32_t in;
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uint16_t modbusRegisters[2]; // 6, 7
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} adc2Value;
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union {
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float in;
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uint16_t modbusRegisters[2]; // 8, 9
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} adc2U;
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union {
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float in;
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uint16_t modbusRegisters[2]; // 10, 11
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} adc2R;
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union {
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uint32_t in;
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uint16_t modbusRegisters[2]; // 12, 13
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} uptimeSeconds;
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} modbusHoldingRegisters;
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float pt1000(float r) {
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return (r / PT1000_R0 - 1) / PT1000_Coeff;
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}
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void setup() {
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delay(100);
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led.begin(LED_PIN);
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ads1210_1.begin(ADC_1_CS_PIN, ADC_1_RDY_PIN);
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ads1210_2.begin(ADC_2_CS_PIN, ADC_2_RDY_PIN);
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modbus_configure(&Serial, MODBUS_BAUD, SERIAL_8N2, MODBUS_ID, MODBUS_TX_ENABLE_PIN,
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sizeof(modbusHoldingRegisters), (uint16_t*)(&modbusHoldingRegisters));
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uptimeSeconds = 0;
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}
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void loop() {
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modbus_update();
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ads1210_1.exec();
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modbusHoldingRegisters.adc1Value.in = ads1210_1.value;
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modbusHoldingRegisters.adc1U.in = ads1210_1.u;
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modbusHoldingRegisters.adc1R.in = ads1210_1.r;
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ads1210_2.exec();
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modbusHoldingRegisters.adc2Value.in = ads1210_2.value;
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modbusHoldingRegisters.adc2U.in = ads1210_2.u;
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modbusHoldingRegisters.adc2R.in = ads1210_2.r;
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if (secondTick.check() == 1) {
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led.toggle();
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uptimeSeconds++;
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modbusHoldingRegisters.uptimeSeconds.in = uptimeSeconds;
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}
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}
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