hans-jurgen
8897226d9a
Ich habe Touchscreen oder SD Card einrichten können. Beides zusammen geht nicht. Schade !!!!
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
#include <Wire.h>
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#include <Adafruit_Sensor.h>
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#include <Adafruit_I2CDevice.h>
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#include <Adafruit_HTU21DF.h>
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Adafruit_HTU21DF htu = Adafruit_HTU21DF();
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#define I2C_SDA 22
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#define I2C_SCL 27
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bool F_HTU_21D;
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float K_HTU= -0.00;
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struct {
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char temperature[15] = {0};
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char humity[15] = {0};
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float t = 0.0;
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float h = 0.0;
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} htuData;
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void init_HTU21(){
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Wire.begin(I2C_SDA, I2C_SCL);
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F_HTU_21D = false;
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if (!htu.begin()) {
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Serial.println("Couldn't find sensor HUT21D!");
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//SystemStatus = SystemStatus | HTU21noReady;
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}else{
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F_HTU_21D = true;
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Serial.println("HUT21D gefunden");
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}
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}
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void read_HTU21D() {
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htuData.t = htu.readTemperature();
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//htuData.t = htuData.t + KorrekturTemperaturHTU;
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dtostrf(htuData.t,7,1,htuData.temperature);
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htuData.h = htu.readHumidity();
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dtostrf(htuData.h,7,1,htuData.humity);
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Serial.print("Temperature (HTU21D):\t");
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Serial.print(htuData.temperature);
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Serial.print(" °C\t");
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tft.drawString("Temperatur: ", 1, x, 4);
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tft.drawFloat(htuData.t, 1.0,190, x,4);
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tft.drawString("o", 252, x, 1);
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tft.drawString("C", 260, x, 4);
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Serial.println(htuData.t,8);
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Serial.print("Luftfeuchtigkeit:\t");
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Serial.print(htuData.humity);
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Serial.println(" %");
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tft.drawString("Luftfeuchtigkeit: ", 1, x +=25, 4);
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tft.drawFloat(htuData.h, 1.0,190, x, 4);
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tft.drawString("%", 252, x, 4);
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x = 100;
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}
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void M2M_HTU21D(String deviceId = "4711") {
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/* char topic[100];
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sprintf(topic, "%s%s%s", "hjk/devices/", deviceId.c_str(), "/telemetry/temperature_Htu_21" );
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client.publish(topic, htuData.temperature, true);
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sprintf(topic, "%s%s%s", "hjk/devices/", deviceId.c_str(), "/telemetry/humity" );
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client.publish(topic, htuData.humity, true); */
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/* Serial.printf("HTU21:\t\t %s °C\n", htuData.temperature);
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Serial.printf("HTU21:\t\t %s %%\n", htuData.humity); */
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} |