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Next, you need to copy all the files and folders under the installation directory \SP7021\example\ fbio_selftest to the fbio_selftest project directory built above (the path is: installation directory \SP7021\ workspace\fbio_selftest\), the file with the same name is selected to be overwritten, so SP7021 The the program code main.c required for SP7021 SOC platform self-test design practice; put it in the following path:

1) Install main.c in In the install directory \SP7021\workspace\fbio_selftest\ foldermain.c

Finally, as shown in the figure below, select the red box 1 with the mouse, then click the right mouse button to display the drop-down menu, and then select the red box 2, refresh the copy action just now, so that the file just copied can be displayed in the IDE environment.

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The first for loop uses fbio to write to the DRAM address space 1 to 200 of the Plus1 chip;

The first second for loop reads the DRAM address space 1 to 100 of the Plus1 chip through fbio module; compares the read content with the written content, and if it is different, prints the Error message;

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