| 40 | |
| 41 | #if defined (ESP8266) || defined(ESP32) |
| 42 | int FRAM::begin(int sda, int scl, const uint8_t address, |
| 43 | const int8_t writeProtectPin) |
| 44 | { |
| 45 | if ((address < 0x50) || (address > 0x57)) return FRAM_ERROR_ADDR; |
| 46 | |
| 47 | _wire = &Wire; |
| 48 | _address = address; |
| 49 | if ((sda < 255) && (scl < 255)) |
| 50 | { |
| 51 | _wire->begin(sda, scl); |
| 52 | } else { |
| 53 | _wire->begin(); |
| 54 | } |
| 55 | |
| 56 | if (writeProtectPin > -1) |
| 57 | { |
| 58 | _writeProtectPin = writeProtectPin; |
| 59 | pinMode(_writeProtectPin, OUTPUT); |
| 60 | } |
| 61 | if (! isConnected()) return FRAM_ERROR_CONNECT; |
| 62 | getSize(); |
| 63 | return FRAM_OK; |
| 64 | } |
| 65 | #endif |
| 66 | |
| 67 | |