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Added CPU Temp readout to OLED display type

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Chipster
2023-10-02 06:57:11 -05:00
parent 05db572738
commit 4270dea46f
2 changed files with 49 additions and 11 deletions
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58
OLED.cpp
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@@ -251,6 +251,20 @@ bool COLED::open()
return true;
}
float readTemperature(const std::string& filePath) {
std::ifstream file(filePath);
if (!file.is_open()) {
std::cerr << "Error: Could not open file " << filePath << std::endl;
return -1.0; // Return a negative value to indicate that CPU temp is not available
}
float temperature;
file >> temperature;
file.close();
return temperature / 1000.0; // The temperature is stored in millidegrees Celsius, so a bit of conversion
}
void COLED::setIdleInt()
{
m_mode = MODE_IDLE;
@@ -292,14 +306,14 @@ void COLED::setIdleInt()
if (configFile.is_open()) {
std::string line;
while (std::getline(configFile, line)) {
if (line.find("ssid=") != std::string::npos) {
std::istringstream iss(line);
std::string key, value;
if (std::getline(iss, key, '=') && std::getline(iss, value)) {
ssid = value;
break;
}
}
if (line.find("ssid=") != std::string::npos) {
std::istringstream iss(line);
std::string key, value;
if (std::getline(iss, key, '=') && std::getline(iss, value)) {
ssid = value;
break;
}
}
}
configFile.close();
} else {
@@ -319,11 +333,22 @@ void COLED::setIdleInt()
}
} else { // Connected to network - no Auto-AP mode; normal display layout...
if (m_displayLogoScreensaver) {
m_display.setCursor(0,OLED_LINE3);
m_display.setCursor(0,OLED_LINE2);
m_display.setTextSize(1);
m_display.print(" -IDLE-");
m_display.setCursor(0, OLED_LINE5);
m_display.setCursor(0, OLED_LINE4);
m_display.printf("%s", m_ipaddress.c_str());
// Display temperature
float tempCelsius = readTemperature("/sys/class/thermal/thermal_zone0/temp");
if (tempCelsius >= 0.0) {
// Round the temperature to the nearest whole number
int roundedTempCelsius = static_cast<int>(std::round(tempCelsius));
// Convert to Fahrenheit
float tempFahrenheit = (roundedTempCelsius * 9/5) + 32;
m_display.setCursor(0, OLED_LINE5);
m_display.setTextSize(1);
m_display.printf("Temp: %.0fF / %dC ",tempFahrenheit,roundedTempCelsius);
}
}
}
m_display.display();
@@ -744,7 +769,7 @@ void COLED::writeCWInt()
m_display.clearDisplay();
m_display.setCursor(0,30);
m_display.setTextSize(3);
m_display.setTextSize(2);
m_display.print("CW ID TX");
m_display.setTextSize(1);
@@ -763,6 +788,17 @@ void COLED::clearCWInt()
m_display.print(" -IDLE-");
m_display.setCursor(0,OLED_LINE3);
m_display.printf("%s",m_ipaddress.c_str());
// Display temperature
float tempCelsius = readTemperature("/sys/class/thermal/thermal_zone0/temp");
if (tempCelsius >= 0.0) {
// Round the temperature to the nearest whole number
int roundedTempCelsius = static_cast<int>(std::round(tempCelsius));
// Convert to Fahrenheit
float tempFahrenheit = (roundedTempCelsius * 9/5) + 32;
m_display.setCursor(0, OLED_LINE5);
m_display.setTextSize(1);
m_display.printf("Temp: %.0fF / %dC ",tempFahrenheit,roundedTempCelsius);
}
if (m_displayScroll)
m_display.startscrolldiagleft(0x00,0x0f);

2
OLED.h
View File

@@ -34,6 +34,8 @@
#include <string>
#include <fstream>
#include <sstream>
#include <iostream> // for cpu temp value extraction
#include <cmath> // for cpu temp value rounding
#include "ArduiPi_OLED_lib.h"
#include "Adafruit_GFX.h"