.. currentmodule:: rp2 .. _rp2.Flash: class Flash -- access to built-in flash storage =============================================== This class gives access to the SPI flash memory. In most cases, to store persistent data on the device, you'll want to use a higher-level abstraction, for example the filesystem via Python's standard file API, but this interface is useful to :ref:`customise the filesystem configuration ` or implement a low-level storage system for your application. Constructors ------------ .. class:: Flash() Gets the singleton object for accessing the SPI flash memory. Methods ------- .. method:: Flash.readblocks(block_num, buf) Flash.readblocks(block_num, buf, offset) .. method:: Flash.writeblocks(block_num, buf) Flash.writeblocks(block_num, buf, offset) .. method:: Flash.ioctl(cmd, arg) These methods implement the simple and extended :ref:`block protocol ` defined by :class:`os.AbstractBlockDev`.