53 lines
1.0 KiB
C++
53 lines
1.0 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_CS_PIN = 9;
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const uint8_t ADC_RDY_PIN = 7;
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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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ADS1210 ads1210;
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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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} adcValue;
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union {
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uint32_t in;
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uint16_t modbusRegisters[2]; // 2, 3
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} uptimeSeconds;
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} modbusHoldingRegisters;
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void setup() {
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led.begin(LED_PIN);
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ads1210.begin(ADC_CS_PIN, ADC_RDY_PIN);
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modbus_configure(&Serial, 1200, SERIAL_8N2, MODBUS_ID, MODBUS_TX_ENABLE_PIN,
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sizeof(modbusHoldingRegisters), 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.exec();
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modbusHoldingRegisters.adcValue.in = ads1210.value;
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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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