Datasheet

constructor:

/* ...software SPI, using SCK/MOSI/MISO user-defined SPI pins and then user selected CS/IRQ/RST */

Adafruit_BluefruitLE_SPI ble(BLUEFRUIT_SPI_SCK, BLUEFRUIT_SPI_MISO,

BLUEFRUIT_SPI_MOSI, BLUEFRUIT_SPI_CS,

BLUEFRUIT_SPI_IRQ, BLUEFRUIT_SPI_RST);