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RZ/A1H starter kit Sampling issue by SCUX module on bare-metal sample application.

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Hi,

I am using RSK RZ/A1H starter kit(www.renesas.com/.../renesas-starter-kitplus-for-rz-a1h.html)

I have downloaded "RZ/A1H Group Renesas Starter Kit+ Web Engine Demonstration for e2 studio" demo application and complied RZ_A1H_SCUX_SSIF_RSK demo application code.
I am able to run demo application successfully on the RZ/A1H R7S72100 system. This application Demonstrates use of the SCUX (consists of sampling converters,
digital volume units, and a mixer) and SSIF (audio data interface) modules connected to the codec device on the RSK+RZA1H board.

I wanted to perform sampling with 16khz frequency on received audio by the microphone and playback to the speaker again.

I have made below mentioned changes and try to execute code but not able to record and play audio.
It is calling continuously CallbackIntSrc0 function and sets ERRINT_SRC_UNDERFLOW and ERRINT_SRC_OVERFLOW error.

Made changes:
1. Changed SCUX case 5 to SCUX case 3 in the g_cmd_buf variable. (sample_main.c)
2. Changed Initialise Parameter for SCUX Use Case 3.
NUM_AUDIO_CH_2 to NUM_AUDIO_CH_1
FS_44100 /* output_fs */ to FS_16000 /* output_fs */

Could you please help me out to perform sampling on received audio by a microphone to the 16khz by SCUX.


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