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Altera_Forum
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10 years ago

Cannot Program Wm8731 audio codec using I2C in DE1-SOC dev kit

Hello Alter Gurus; I am in need of your help. I am trying to configure the settings of WM8731 audio codec found in Altera DE1-SOC using I2C and every try that i made ends up unsuccessful. I do ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Make sure your i2c addressing is correct. Some data sheets give an 8b address (read/write bit in lsb), and peripheral drivers typically want a 7b address (they will set the r/w automatically depending on the transaction).