Altera DE2-115 Manual de usuario descargar pdf (Pagina 95)

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• Connect a headset or speaker to the DE2-115 board and you should be able to hear the

music played from the SD Card

• Press KEY3 on the DE2-115 board to play the next music file stored in the SD Card.

• Press KEY2 and KEY1 to increase and decrease the output music volume respectively.

• Users can also use the remote control to play/pause the music, select the last/next music file

to play and control volume. The detailed information about each function of remote

controller is shown in Table 6-1.

Table 6-1 Detailed information of the button on the remote controller

Button Name Function Description

PLAY Play music or pause music

CHANNEL Select last/next music file to play

VOLUME Turn up/down volume

MUTE Mute/un-mute

Note:

Figure 7-

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Execute the batch file DE2_115_SD_Card_Audio_Player\demo_batch

\ DE2_115_SD_Card_Audio_Player.bat to download both hardware and software bit stream

2. If the capacity of your SD Memory Card is more than or equal 8GB, please make sure it has the performance

more than or equal to Class 4

3. If the HSMC loopback adapter is mounted, the I2C_SCL will be directly routed back to I2C_SDA. Because

audio chip, TV decoder chip and HSMC share one I2C bus, therefore audio and video chip won’t function

correctly.

Figure 6-15 illustrates the setup for this demonstration.

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Altera DE2-115 Manual de usuario Pagina 95