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Altera_Forum
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13 years ago

NIOS II memory writes failing - values being input at wrong addresses (I2C opencore)

Hi, I'm trying to integrate an I2C core from opencores to my Cyclone IV device. Apparently the version I'm using should just drop into the SOPC and work after being wired to some outputs (alter...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I am using the 'write' signal from the wrapper. - _sopc:CPU|i2c_master_0:the_i2c_master_0|write

But I also signal tapped the avalon bus 'write' to be sure - _sopc:CPU|cpu:the_cpu|cpu_nios2_oci:the_cpu_nios2_oci|cpu_nios2_avalon_reg:the_cpu_nios2_avalon_reg|write

Neither one shows any change in signal tap.