Use this library supports:

• One SPI-norflash chip connected to a normal 1xSPI port of a RP2030/RP2350
• Up to 128Mbit flash memory

Commands

norflash_init(...) :

To be called before the library can be used, to set baudrate and initialize.

norflash_chip_erase() :

Full chip erase.

norflash_write_page(...) :

Blocking page write, write up 256 bytes with one functions call.

norflash_read_blocking(...) :

Blocking read to a given buffer.

repeated async read -> 3 functions:

norflash_start_async_read(...) :

Read a data-structure of a given length to a given buffer. This is done for a given number of times. Use a given callback function to process the data every time a new data-structure is read. The buffer will be overwritten every time.

norflash_next_async_read() :

Used to request the next data-structure to be read.

norflash_abort_async_read() :

stop early.