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Altera_Forum
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15 years ago

NIOS II C language about SDRAM IOWR & IORD function and fopen & fclose

Hi, I'm new about Quartus II & NIOS II. I made hardware part using sopc builder (nios II cpu, sdram, on-chip mem, jtag, sysid, and so on) and composed c source code for software part. I...
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Altera_Forum
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15 years ago

Teddy,

0x prefix stands for hex number. One hex digit = 4bit !!!

You must use 0b00101... to specify a binary number.

Moreover, your 'long' data variables are actually 64bit long !

You are getting the correct 32bit prints with %x format.

If you want complete 64bit print you should use %lx or %llx

If you want ram native 16bit data access, you should define variables as 'short'.

Cris