ADM-XRC SDK 2.8.1 User Guide (Linux)
© Copyright 2001-2009 Alpha Data
constant init_locbus_ddma_out : locbus_ddma_out_t := (....);
init_locbus_ddma_out_t is a constant that can be used to initialize a value of type locbus_ddma_out_t to its initial inactive state.
This constant may assigned to a value of type init_locbus_ddma_out_t in order to set it to an initial inactive state. This initialization is required somewhere in the testbench in order to prevent undefined values being driven onto the FPGA's demand-mode DMA pins. Typically, init_locbus_ddma_out_t is applied at the declaration of a signal; for example:
signal ddma_out0, ddma_out1 : locbus_ddma_out_t := init_locbus_ddma_out;
Since locbus_ddma_out_t is an opaque datatype, the members of init_locbus_ddma_out_t should not be accessed, as they are subject to change in future versions of the PLXSIM package.