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2024-10-2900 OLED

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hans-jurgen 2024-10-29 14:31:16 +01:00
parent 8b1e91e8cb
commit 1c4a140443
2 changed files with 66 additions and 1 deletions
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1
platformio.ini
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@ -17,3 +17,4 @@ lib_deps =
# The exact version
adafruit/Adafruit MAX31865 library @ 1.6.2
adafruit/Adafruit Unified Sensor @ 1.1.14
adafruit/Adafruit SSD1306 @ 2.5.12

64
src/main.cpp
View File

@ -42,8 +42,61 @@ Adafruit_MAX31865 thermo = Adafruit_MAX31865(5, 23, 19, 18);
int LED_Blue = 2;
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
#define NUMFLAKES 10 // Number of snowflakes in the animation example
void drawIST(float wert){
char msgt[20];
String mw;
dtostrf(wert, 6, 2, msgt);
mw = msgt;
display.clearDisplay();
display.setCursor(0,0); // Start at top-left corner
display.println("--PT1000--");
display.setCursor(0,32); // Zeile 2
display.setTextSize(1);
display.setTextColor(WHITE);
display.println("Temperatur:");
display.setCursor(20,48); // Zeile 3
display.setTextSize(2);
mw.replace('.',',');
display.print(mw);
display.setTextSize(1);
display.print(" o");
display.setTextSize(2);
display.println("C");
display.display();
}
void setup() {
Serial.begin(115200);
// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
display.display();
delay(2000); // Pause for 2 seconds
// Clear the buffer
display.clearDisplay();
display.setTextSize(2); // Normal 1:1 pixel scale
display.setTextColor(WHITE); // Draw white text
display.setCursor(0,0); // Start at top-left corner
display.println("--PT1000--");
display.display();
pinMode (LED_Blue, OUTPUT);
digitalWrite (LED_Blue, HIGH);
Serial.println("Adafruit MAX31865 PT100 Sensor Test!");
@ -62,6 +115,17 @@ void loop() {
Serial.print("Resistance = "); Serial.println(RREF*ratio,8);
Serial.print("Temperature = "); Serial.println(thermo.temperature(RNOMINAL, RREF));
/* display.clearDisplay();
display.setCursor(0,0); // Start at top-left corner
display.println("--PT1000--");
display.setCursor(0,32); // Start at top-left corner
display.println(thermo.temperature(RNOMINAL, RREF));
display.display(); */
drawIST(thermo.temperature(RNOMINAL, RREF));
// Check and print any faults
uint8_t fault = thermo.readFault();
if (fault) {