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Altera_Forum
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13 years ago

Error: Type conversion (to UNSIGNED) can not have string literal operand

Hai all, I have run a testbench simulation in ModelSim and get this error: # ** Error: bmp_generator.vhd(401): Type conversion (to UNSIGNED) can not have string literal operand.# ** Error: ...
Altera_Forum's avatar
Altera_Forum
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13 years ago

Change the line near the end to: 


DATA<= unsigned(DATAi)-UNSIGNED(std_logic_vector'(X"80")) when SIGNED_DATA=0 else DATAi;

Note the change to enforce that the argument to UNSIGNED() is a std_logic_vector.

Cheers,

Dave