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modbus slave works, second adc added

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hg
2014-11-08 15:16:54 +01:00
parent 3d913f14b5
commit 6778847b6d
5 changed files with 344 additions and 662 deletions
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27
ModbusThermometer.cpp
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@ -7,12 +7,15 @@
#include "SimpleModbusSlave.h"
const uint8_t LED_PIN = 8;
const uint8_t ADC_CS_PIN = 9;
const uint8_t ADC_RDY_PIN = 7;
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;
ADS1210 ads1210;
ADS1210 ads1210_1;
ADS1210 ads1210_2;
LED led;
Metro secondTick = Metro(1000);
uint32_t uptimeSeconds;
@ -22,27 +25,35 @@ struct {
union {
uint32_t in;
uint16_t modbusRegisters[2]; // 0, 1
} adcValue;
} adc1Value;
union {
uint32_t in;
uint16_t modbusRegisters[2]; // 2, 3
} adc2Value;
union {
uint32_t in;
uint16_t modbusRegisters[2]; // 4, 5
} uptimeSeconds;
} modbusHoldingRegisters;
void setup() {
led.begin(LED_PIN);
ads1210.begin(ADC_CS_PIN, ADC_RDY_PIN);
ads1210_1.begin(ADC_1_CS_PIN, ADC_1_RDY_PIN);
ads1210_2.begin(ADC_2_CS_PIN, ADC_2_RDY_PIN);
modbus_configure(&Serial, 1200, SERIAL_8N2, MODBUS_ID, MODBUS_TX_ENABLE_PIN,
sizeof(modbusHoldingRegisters), modbusHoldingRegisters)
sizeof(modbusHoldingRegisters), (uint16_t*)(&modbusHoldingRegisters));
uptimeSeconds = 0;
}
void loop() {
modbus_update();
ads1210.exec();
modbusHoldingRegisters.adcValue.in = ads1210.value;
ads1210_1.exec();
modbusHoldingRegisters.adc1Value.in = ads1210_1.value;
ads1210_2.exec();
modbusHoldingRegisters.adc2Value.in = ads1210_2.value;
if (secondTick.check() == 1) {
led.toggle();