Use for storing the bonded devices address. The dev_list should be allocated by who call this API. esp_err_t esp_bt_gap_set_pin (esp_bt_pin_type_t pin_type, uint8_t pin_code_len, esp_bt_pin_code_t pin_code) ¶ Set pin type and default pin code for legacy pairing. Return - ESP_OK : success. ESP_ERR_INVALID_STATE: if bluetooth stack is not yet ...