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author | dakkar <dakkar@thenautilus.net> | 2022-01-28 16:42:14 +0000 |
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committer | dakkar <dakkar@thenautilus.net> | 2022-01-28 16:42:14 +0000 |
commit | 99be6b6d2a0f5a31b1d9ade85e2988ee357e4294 (patch) | |
tree | ff5789a86445ab497e0c7fe6c41b7ecadd1042ed /main.ino | |
parent | sensirion example, works (diff) | |
download | env-sensor-99be6b6d2a0f5a31b1d9ade85e2988ee357e4294.tar.gz env-sensor-99be6b6d2a0f5a31b1d9ade85e2988ee357e4294.tar.bz2 env-sensor-99be6b6d2a0f5a31b1d9ade85e2988ee357e4294.zip |
show values on eink display
Diffstat (limited to 'main.ino')
-rw-r--r-- | main.ino | 49 |
1 files changed, 38 insertions, 11 deletions
@@ -2,6 +2,20 @@ #include <SensirionI2CScd4x.h> #include <Wire.h> +#define LILYGO_T5_V213 // needed for the display libraries + +#include <boards.h> +#include <GxEPD.h> +#include <GxGDEH0213B73/GxGDEH0213B73.h> // screen model, probably correct +#include <Fonts/FreeMonoBold12pt7b.h> +#include <GxIO/GxIO_SPI/GxIO_SPI.h> +#include <GxIO/GxIO.h> + +GxIO_Class io(SPI, EPD_CS, EPD_DC, EPD_RSET); +GxEPD_Class display(io, EPD_RSET, EPD_BUSY); +SPIClass SDSPI(VSPI); // for sdcard? maybe? + + SensirionI2CScd4x scd4x; void printUint16Hex(uint16_t value) { @@ -28,6 +42,15 @@ void setup() { Wire.begin(21,22); + SPI.begin(EPD_SCLK, EPD_MISO, EPD_MOSI); + + display.init(); + display.setTextColor(GxEPD_BLACK); + display.setRotation(3); + display.setFont(&FreeMonoBold12pt7b); + display.fillScreen(GxEPD_WHITE); + display.update(); + uint16_t error; char errorMessage[256]; @@ -75,20 +98,24 @@ void loop() { float temperature = 0.0f; float humidity = 0.0f; error = scd4x.readMeasurement(co2, temperature, humidity); + + display.fillScreen(GxEPD_WHITE); + display.setCursor(0,20); + if (error) { - Serial.print("Error trying to execute readMeasurement(): "); + display.print("read error: "); errorToString(error, errorMessage, 256); - Serial.println(errorMessage); + display.println(errorMessage); } else if (co2 == 0) { - Serial.println("Invalid sample detected, skipping."); + display.println("Invalid sample detected, skipping."); } else { - Serial.print("Co2:"); - Serial.print(co2); - Serial.print("\t"); - Serial.print("Temperature:"); - Serial.print(temperature); - Serial.print("\t"); - Serial.print("Humidity:"); - Serial.println(humidity); + display.print("Co2:"); + display.println(co2); + display.print("Temperature:"); + display.println(temperature); + display.print("Humidity:"); + display.println(humidity); } + + display.update(); } |