melody/arduino-temp-hum-display
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melody 2025-08-18 11:00:56 +02:00
commit bb6dee7a08
1 changed files with 4 additions and 9 deletions
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main.ino
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@ -18,12 +18,14 @@ Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST); // Set HW SPI pi
#define PRIMARY_FOREGROUND_COLOUR tft.color565(187, 0, 255) #define PRIMARY_FOREGROUND_COLOUR tft.color565(187, 0, 255)
#define SECONDARY_FOREGROUND_COLOUR ST77XX_WHITE #define SECONDARY_FOREGROUND_COLOUR ST77XX_WHITE
const int buttonPin = 16; const int buttonPin = 16;
const int AMOUNT_DATAPOINTS = 75; // ~120 max on Arduino Nano (2kB SRAM)
const float WAIT_TIME = 150;
class DataStorage { class DataStorage {
private: private:
float* data; float data[AMOUNT_DATAPOINTS];
int cursor; int cursor;
const int MAX_DATA_POINTS; const int MAX_DATA_POINTS;
const String UNIT; const String UNIT;
@ -31,15 +33,11 @@ private:
public: public:
DataStorage(String unit, int maxDataPoints) DataStorage(String unit, int maxDataPoints)
: UNIT(unit), MAX_DATA_POINTS(maxDataPoints), cursor(0) { : UNIT(unit), MAX_DATA_POINTS(maxDataPoints), cursor(0) {
this->data = new float[MAX_DATA_POINTS];
for (int i = 0; i < MAX_DATA_POINTS; i++) { for (int i = 0; i < MAX_DATA_POINTS; i++) {
this->data[i] = 0; this->data[i] = 0;
}; };
}; };
~DataStorage() {
delete[] this->data;
};
float getDataByIndex(int index) { float getDataByIndex(int index) {
if(index < 0 || index >= this->cursor) return 0; if(index < 0 || index >= this->cursor) return 0;
@ -236,9 +234,6 @@ bool sht3xErrorLastCycle = false;
// CONFIG START // CONFIG START
const int AMOUNT_DATAPOINTS = 75; // ~120 max on Arduino Nano (2kB SRAM)
const float WAIT_TIME = 150;
DataStorage* tempData; DataStorage* tempData;
DataStorage* humData; DataStorage* humData;
GraphElement* graphTemp; GraphElement* graphTemp;