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 Forum: AndeSight STD   Topic: How to access CPU without any code and adx

Posted: Wed Feb 07, 2018 11:03 am 

Replies: 1
Views: 171


Renew the file. Add more descriptions for access without reset and hold and using target monitor icon.

 Forum: AndeSight STD   Topic: Compile time too long

 Post subject: Compile time too long
Posted: Tue Feb 06, 2018 3:36 pm 

Replies: 0
Views: 18


For the build time issues, please check the following items 1. In the task manager, make sure the PC is not busy all the time. 2. In the task manager->performance->Resource monitor, make sure the CPU, Disk I/O is not busy. 3. In the task manager, when cleaning/compiling, make sure there are no other...

 Forum: AndeShape   Topic: Arduino Plug-in

 Post subject: Re: Arduino Plug-in
Posted: Mon Feb 05, 2018 5:59 pm 

Replies: 1
Views: 358


The attached arduino.tgz is based on AndeSight 3.0.0 and later versions.

 Forum: Programming   Topic: Q format

 Post subject: Re: Q format
Posted: Thu Feb 01, 2018 5:38 pm 

Replies: 1
Views: 1386


q值是介於-1和1之間,小於1,[-1, 1),當使用時,雖說q15當於int16,一般不建議直接給值,因為它相對的值可能會很小,當使用者把這些值放入dsp的運算function中時,常常得到結果為0。所以應以轉換的方式給值,如 q15value = convert_float_to_q15(0.123); 由上式可知q15value的值是0.123 在demo-dsp.tgz中有轉換公式 static inline q15_t convert_float_to_q15(float x) { q31_t q31; q15_t q15; x *= 32768.0f; x += (x < 0.0f...

 Forum: AndeShape   Topic: Andino-f1

 Post subject: Andino-f1
Posted: Thu Feb 01, 2018 12:27 pm 

Replies: 0
Views: 41


Andino-f1 is an Andes Andrino demo board. It is different from Andino M1 board. Andino M1 is with an Andes' customer's CPU chip on the board. Andino-f1 is with FPGA on the board. The FPGA is supposed to burn one of AE210P/AE100 platforms with one of Andes CPU cores from N6, N7, ..., D10 without MMU ...

 Forum: AndeSight MCU/RDS   Topic: A tip to use Andes DSP Library

Posted: Tue Jan 30, 2018 6:14 pm 

Replies: 1
Views: 1799


Newlib or MCUlib toolchains, “ -ldsp ” is needed to link libdsp.a when building applications without DSP ISA Extension. If your applications need the DSP ISA Extension support , please use linking options “ -ldsp -mext-dsp -mext-zol ” instead to obtain better performance. For certain Andes DSP libra...

 Forum: AndeSight STD   Topic: How to change C standard/default standard

Posted: Fri Jan 05, 2018 4:35 pm 

Replies: 0
Views: 71


The default standards of gcc is gnu89 and g++ is gnu++98 . To check the default values in the command line, please use the following corresponding commands. gcc: nds32le-elf-gcc -E -dM - < /dev/null | grep __STDC_VERSION__ The absent of output represents gnu89. If the output is “#define __STDC_VERSI...

 Forum: AndeSight STD   Topic: How to initialize registers before loading code

Posted: Thu Nov 30, 2017 4:15 pm 

Replies: 0
Views: 151


In some cases, you may need to initialize some registers, SRAM controllers for example, before loading code to SRAM. Please refer to the attachment for detail. You should create a new project with correct chip profile first. Why chip profile is needed? AndeSight should know what the CPU is and what ...

 Forum: AndeSight STD   Topic: How to access CPU without any code and adx

Posted: Thu Nov 30, 2017 4:05 pm 

Replies: 1
Views: 171


In some case, engineers may need to check the CPU initial state without any code. You can follow the attachment. This project is done based on the AndeSight 3.0.0.

 Forum: AndeSight STD   Topic: make -j or make -j8

 Post subject: Re: make -j or make -j8
Posted: Thu Nov 30, 2017 3:01 pm 

Replies: 1
Views: 2074


The procedure may not work. Multi-CPU usage a bug of Cygwin. Nobody solves it because no one cares about the performance on the cygwin. Please refer to http://zachsaw.blogspot.tw/2012/10/multithreading-under-cygwin.html. Although the article is published on 2012, it's referable.
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