85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
#include <iomanip>
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#include <iostream>
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#include <sstream>
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#include "hardware/i2c.h"
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#include "pico/stdlib.h"
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#include "../modules/pico-onewire/api/one_wire.h"
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#include "config.h"
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#include "ds18b20.h"
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#include "lcd.h"
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#include "relais.h"
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// GPIOs used
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constexpr uint I2C_SDA_PIN = 26;
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constexpr uint I2C_SCL_PIN = 27;
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constexpr uint DS18B20_PIN = 28;
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constexpr uint RELAIS_PIN = 18;
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// Custom chars for the LCD
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constexpr char CUSTOM_CHAR_DEG = 0xDF;
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constexpr char CUSTOM_CHAR_AE = 0xE1;
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using std::string;
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int main() {
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// Enable UART so we can print status output
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stdio_init_all();
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// Initialize the LCD
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auto myLCD = LCD(i2c1, I2C_SDA_PIN, I2C_SCL_PIN);
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myLCD.clear();
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// Initialize the temp sensor
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One_wire oneWire(DS18B20_PIN);
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oneWire.init();
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rom_address_t address{};
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oneWire.single_device_read_rom(address);
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// Initialize the relais
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Relais relais(RELAIS_PIN);
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float temp_act{0};
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float temp_tgt{28.0};
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float temp_diff{0.5};
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std::stringstream lcdText{};
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bool isHeating = false;
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bool isSystemOn = false;
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string heatInfo{" "};
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string systemInfo{"OFF"};
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lcdText << " G" << CUSTOM_CHAR_AE << "rbox Manager\n (Ver. "
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<< PROJECT_VERSION << ")";
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myLCD.sendString(lcdText.str());
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sleep_ms(3000);
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while (true) {
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int duration = oneWire.convert_temperature(address, true, false);
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temp_act = oneWire.temperature(address);
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if (isSystemOn && temp_act < temp_tgt - temp_diff) {
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isHeating = true;
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} else if (isSystemOn && temp_act > temp_tgt + temp_diff) {
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isHeating = false;
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} else if (!isSystemOn) {
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isHeating = false;
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}
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isHeating ? heatInfo = ">H<" : heatInfo = " ";
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relais.activate(isHeating);
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lcdText.str("");
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lcdText.clear();
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lcdText.precision(4);
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lcdText << "ACT: " << temp_act << CUSTOM_CHAR_DEG << "C " << heatInfo
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<< "\n"
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<< "TGT: " << temp_tgt << CUSTOM_CHAR_DEG << "C " << systemInfo;
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myLCD.setCursor(0, 0);
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myLCD.sendString(lcdText.str());
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if (duration > 0 && duration <= 1000) {
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sleep_ms(1000 - duration);
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}
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}
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} |