Search found 3 matches

by feima0011
Tue Jan 08, 2019 11:19 am
Forum: Q&A
Topic: Program received signal ET_LOAD_STORE, Memory access excepti
Replies: 10
Views: 55968

Re: Program received signal ET_LOAD_STORE, Memory access exc

peter wrote:You could always make it an array of 64-bit items which can then be pointed to. This will then be 64-bit aligned.

The xmos cpu is 32bit. What is the point of making an array of 64-bit?

int64_t filter_coeff_64[3];
int32_t *filter_coeff = (int32_t*)&filter_coeff_64[0];
by feima0011
Sat Dec 08, 2018 12:04 pm
Forum: Other XMOS Development Kits
Topic: Question about data transfer by streaming channels on xCORE-200 MC Audio board?
Replies: 1
Views: 25474

Question about data transfer by streaming channels on xCORE-200 MC Audio board?

I want to do some real time signal processing using the XMOS multichannel audio development board. I modified the example code from "AN00162_i2s_loopback_demo". by inserting a mic_processing task between the i2s. send and i2s.receiver. The compile says there is no error in the code. But I ...
by feima0011
Fri Dec 07, 2018 7:35 am
Forum: Development Tools and Programming
Topic: xmos multichannel audio platform sometimes works sometimes not
Replies: 3
Views: 23540

xmos multichannel audio platform sometimes works sometimes not

I am working an active noise control problem using the xmos board. But I got confused. Sometimes the xmos board seems to work sometimes it does not. I do not know why. I tried to compile and the run the following code on the xmos board. But nothing happend. //////////////////////////////////////////...