Search found 13 matches

by rlysens
Thu 2017-02-16 1:06
Forum: Slave Decoder Applications
Topic: vs1063a sine test, extremely low output volume
Replies: 2
Views: 293

Re: vs1063a sine test, extremely low output volume

Hi Pasi,

It turns out the PCB traces for both the right and left outputs were damaged. I was able to fix the problem for the right output so the board is usable again.
Thanks for your help!
Ruben.
by rlysens
Fri 2017-02-10 2:16
Forum: Slave Decoder Applications
Topic: vs1063a sine test, extremely low output volume
Replies: 2
Views: 293

vs1063a sine test, extremely low output volume

Hi all, I have two identical VS1063 based setups running a sine test: void test5_loop(void) { uint8_t activateData[] = {0x53, 0xEF, 0x6E, 0x44, 0, 0, 0, 0, 0, 0 ,0 ,0 ,0 ,0}; uint8_t deactivateData[] = {0x45, 0x78, 0x69, 0x74, 0, 0, 0, 0}; WriteSdi(activateData, sizeof(activateData)/sizeof(activateD...
by rlysens
Thu 2017-02-09 17:33
Forum: Stand-Alone Applications
Topic: (Sparkfun) Breakout Board for VS1063 MP3
Replies: 2
Views: 367

Re: (Sparkfun) Breakout Board for VS1063 MP3

Tiny Mexican peso bank ;-)
Thanks for that pointer. That seems to be my best option. I did find a few sites that still had some Sparkfun boards, but none that would ship to Mexico.
Saludos,
Ruben.
by rlysens
Wed 2017-02-08 4:05
Forum: Stand-Alone Applications
Topic: (Sparkfun) Breakout Board for VS1063 MP3
Replies: 2
Views: 367

(Sparkfun) Breakout Board for VS1063 MP3

Hi all, I have an ongoing project based on the Sparkfun Breakout Board for VS1063. I'm looking to buy two additional boards but apparently this product has been retired. Does anybody have any idea where I can still find these boards, or a similar VS1063 based ref. design, without breaking the bank? ...
by rlysens
Sat 2016-03-05 18:29
Forum: Microcontroller Software
Topic: VS1011e, VS1003b, VS1033d, VS1053b, VS1063a buffer status
Replies: 30
Views: 4829

Re: VS1011e, VS1033d, VS1053b, VS1063a buffer status

I've been struggling with the VS1063aStreamBufferFreeWords() function. Basically, the value returned doesn't really seem to reflect free space in the stream buffer. To debug, I wrote an alternative implementation that's based on the sdiFree parameter in the Parametric Structure: int VS1063aStreamBuf...
by rlysens
Wed 2016-03-02 23:35
Forum: Microcontroller Software
Topic: VS1011e, VS1003b, VS1033d, VS1053b, VS1063a buffer status
Replies: 30
Views: 4829

Re: VS1011e, VS1033d, VS1053b, VS1063a buffer status

Hi Pasi,

Got it. Thanks for the clarification.

/Ruben.
by rlysens
Wed 2016-03-02 16:28
Forum: Microcontroller Software
Topic: VS1011e, VS1003b, VS1033d, VS1053b, VS1063a buffer status
Replies: 30
Views: 4829

Re: VS1011e, VS1033d, VS1053b, VS1063a buffer status

Hi Henrik, VS1063a Data sheet section 10.2 Decoder Data Flow says: "The size of the audio FIFO is 2048 stereo (2×16-bit) samples, or 8 KiB." Does that size also apply in case of the Codec Data Flow (10.4)? Based the functions you provided, it looks like the audio FIFO is only 124 bytes in size: VS10...
by rlysens
Sun 2016-02-21 21:10
Forum: Microcontroller Software
Topic: VS1011e, VS1003b, VS1033d, VS1053b, VS1063a buffer status
Replies: 30
Views: 4829

Re: VS1011e, VS1033d, VS1053b, VS1063a buffer status

Hi Henrik, Some questions regarding the programming of the plug-in start vector at SCI_AIADDR: >VS1063a has an automatic function that automatically fills the audio buffer with zeros, if the stream buffer is empty, and there are less than 64 stereo samples in the audio buffer. > If low latency is es...
by rlysens
Wed 2016-02-17 3:21
Forum: Microcontroller Software
Topic: VS1011e, VS1003b, VS1033d, VS1053b, VS1063a buffer status
Replies: 30
Views: 4829

Re: VS1011e, VS1033d, VS1053b, VS1063a buffer status

Hi Henrik, Thanks for the great support! I'm integrating the new functions you provided. I'm using G.711 A-law, mono, with a sample rate of 24000. I think that means that the Bitstream Out FIFO fills up at a rate of 24000 bytes/s. So instead of relying on the codec reporting Bitstream Out FIFO overf...
by rlysens
Mon 2016-02-15 20:16
Forum: Microcontroller Software
Topic: VS1011e, VS1003b, VS1033d, VS1053b, VS1063a buffer status
Replies: 30
Views: 4829

Re: VS1011e, VS1033d, VS1053b, VS1063a buffer status

Hi Henrik, Based on the codec data flow diagram for VS1063a, I believe the VS1063a has two stream buffers and two audio buffers. In the decode path: - stream buffer = Bitstream FIFO - audio buffer = Audio FIFO In the encode path: - stream buffer = Bitstream Out FIFO - audio buffer = Audio in FIFO I'...