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Altera_Forum
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12 years ago

Accessing inputs and outputs of a custom component

Hello every body; I have created my custom compnent caled "cipher", it takes 2x128 bits input and produce one 128bit ouput, the component definition in system.h is: #define ALT_MODULE_CLAS...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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1-what is the address of the inputs and outputs.

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CIPHER_0_BASE + offset

where 'offset' is whatever register addresses you have defined within your custom component (i.e. how you decode the 'address' on the Avalon-MM Slave port)

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2-how can i access them if i want to pass and read the inputs and the outputs as 4x4 array.

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You can use IORD/IOWR macros to access the registers you have created one at a time.