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Altera_Forum
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15 years ago

Writting floating point numbers using IOWR IORD

Hi, I'm trying to read a custom register which has a 32 bit floating point value, from the NIOS in the c-code using the Macro IORD(base,offset). If I assign this to a variable defined as flo...
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Altera_Forum
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15 years ago

Be aware that the C compiler isn't necessarily required to compile that code in the way that you expect! Read up on 'strict aliasing'.

If you look at how IORD() and IOWR() are defined, you should be able to generate a version for 'float' instead of (probably) 'unsigned int'.