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Altera_Forum's avatar
Altera_Forum
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18 years ago

Help needed about the DE2 Audio Codec

-------------------------------------------------------------------------------- I set up everything as in the DE2 manual, and use the reference design to play music(48KHZ,wav). But why there i...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

1.Did you use i2c to config Audio Core? When add an audio core in SOPC, all parameter are filled so I guest that there's no need to use i2c to config.

2. I used default setting (48Khz samplerate, clk 18432000,. 16bit data, 2 channel).

In according to Manual, data registers are BASE+8, and BASE+12

Then I coded:

IOWR(AUDIO_0_BASE,8,#value)

IOWR(AUDIO_0_BASE,12,#value)

nothing happens!!!! plz tell me why