Further ADS services

Flash data storage*

(from firmware version BA)

Process data port 0x1234

This service enables further data to be stored in flash memory. A range of 16,000 bytes is available to the user.

Index group

Meaning

Index offset (value range)

0x4000_FE00

Flash data memory

0...0x3EFF

Further ADS services 1:

read and write data

    • Two IP sockets are required for the call. Please ensure that the maximum number of open IP sockets is not exceeded.
    • A flash has limited write capability! Please ensure that data are only written to the flash if actually required. Otherwise use remanent data.
    • A maximum of 1500 bytes can be read or written. The byte address of the memory can be specified via the index offset.

    Writing of data requires a certain amount of time:
    During normal operation, writing of 200 bytes takes approx. 120 ms, 600 bytes approx. 150 ms.
    Reading of 200 bytes takes approx. 50 ms, 600 bytes approx. 60 ms.

    Further ADS services 2: Sample Program in ST (sample program)

    memory.pr6