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ESP32 support #29

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ESP32 support #29

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12 changes: 11 additions & 1 deletion examples/ccs811flash/ccs811flash.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,13 @@


// Wiring for ESP8266 NodeMCU boards: VDD to 3V3, GND to GND, SDA to D2, SCL to D1, nWAKE to D3 (or GND)
#ifdef ARDUINO_ARCH_ESP8266 // ESP8266 core for Arduino - 2.5.2 or later
CCS811 ccs811(D3); // nWAKE on D3
#elif defined ARDUINO_ARCH_ESP32 // Arduino core for the ESP32 - 1.0.4-rc1 or later
#define CCS811_SDA 18 // SDA on D18/IO18
#define CCS811_SCL 19 // SCL on D19/IO19
CCS811 ccs811(23); // nWAKE on D23/IO23
#endif

// Wiring for Nano: VDD to 3v3, GND to GND, SDA to A4, SCL to A5, nWAKE to 13
//CCS811 ccs811(13);
Expand All @@ -30,7 +36,11 @@ void setup() {
Serial.print("setup: library version: "); Serial.println(CCS811_VERSION);

// Enable I2C
Wire.begin();
#ifdef ARDUINO_ARCH_ESP8266
Wire.begin();
#elif defined ARDUINO_ARCH_ESP32
Wire.begin(CCS811_SDA, CCS811_SCL);
#endif

// Enable CCS811
ccs811.set_i2cdelay(50); // Needed for ESP8266 because it doesn't handle I2C clock stretch correctly
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