| 36 | |
| 37 | #if defined (ESP8266) || defined(ESP32) |
| 38 | bool PCF8591::begin(uint8_t sda, uint8_t scl, uint8_t val) |
| 39 | { |
| 40 | _wire = &Wire; |
| 41 | if ((sda < 255) && (scl < 255)) |
| 42 | { |
| 43 | _wire->begin(sda, scl); |
| 44 | } else { |
| 45 | _wire->begin(); |
| 46 | } |
| 47 | if (!isConnected()) return false; |
| 48 | analogWrite(val); |
| 49 | return true; |
| 50 | } |
| 51 | #endif |
| 52 | |
| 53 | bool PCF8591::begin(uint8_t val) |