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Altera_Forum
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12 years ago

Help me in audio code, please! (about I2C SCL BASE )

Hi all!! I applying audio code demo of altera. But when I build project, it had 2 error : 'I2C_SCL_BASE' undeclared (first use in this function) AUDIO.c /audio_de2_115_MTL line 357 ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Apparently the code you are compiling is looking for two peripherals in your system, one called i2c_scl and another one i2c_sda, but they aren't present. You should add them to your SOPC Builder or QSys project.

From the names I'm guessing they are 1 bit bidirectional PIOs.