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by styro
Thu Mar 19, 2020 1:24 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 317
Views: 99177

Re: Circle - C++ bare metal environment (with USB)

Many thanks for the clarification and keep up the excellent work!
all the best
styro
by styro
Wed Mar 18, 2020 7:49 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 317
Views: 99177

Re: Circle - C++ bare metal environment (with USB)

Hallo, i am confused with a memory-problem, somehow delete / free doesn't give back the with new / malloc allocated memory.... probably i am doing something wrong :-/ struct EventBox{ lv_obj_t * EventContainer; lv_obj_t * HoriLine; lv_point_t HoriLine_points[2]; lv_style_t HoriLine_style; lv_obj_t *...
by styro
Tue Nov 19, 2019 7:00 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 317
Views: 99177

Re: Circle - C++ bare metal environment (with USB)

Hallo rst!
Many thanks, it worked, CHUNKSIZE 32 @ 48kHz!
the calculation of 8Voices with 6 Operators take about 47uS and so it seems that there are even some cycles left for more fun stuff! :-)

Many thanks for Your Work & Help!
all the best
styro2000
by styro
Mon Nov 18, 2019 9:18 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 317
Views: 99177

Re: Circle - C++ bare metal environment (with USB)

Hello, As i mentioned in an other post i am porting the PreenFM2-Synth to baremetal RaspberryPi with the Circle-Framework, and so far it seems to work! its really ugly but if anybody wants to try it out: https://github.com/styro2000/RasPreenFM2/ Now am am trying to optimize things to get an better l...
by styro
Wed Oct 16, 2019 10:52 pm
Forum: Bare metal, Assembly language
Topic: Circle 64Bit Crashing in Constructor
Replies: 7
Views: 2008

Re: Circle 64Bit Crashing in Constructor

Hello and thanks for the Help! with the flags -mstrict-align -fno-tree-loop-vectorize -fno-tree-slp-vectorize it works! When does the MMU get initialized? about the static objects, the source i am porting is done that way and i dont want to change to much... i ripped all the lowlevel stuff (lcd / so...
by styro
Wed Oct 16, 2019 10:19 am
Forum: Bare metal, Assembly language
Topic: Circle 64Bit Crashing in Constructor
Replies: 7
Views: 2008

Circle 64Bit Crashing in Constructor

Hello i a trying to port PreenFM to BareMetal P3B 64Bit with circle and stumbeld on a really strange problem: when an Object is defined and the Contructor is run it crashes when a Variable is set, but on other Variables it works... when i comment out // matrixRow = 3; (Alignementtest.cpp Construtor)...
by styro
Wed Nov 11, 2015 8:13 pm
Forum: Troubleshooting
Topic: Record Audio with Focusrite Scarlett 2i2
Replies: 6
Views: 8369

Re: Record Audio with Focusrite Scarlett 2i2

Hi there i think the problem is solved, by adding dwc_otg.fiq_fsm_enable=0 to the /boot/cmdline.txt the focusrite scalett 2i2 works! arecord -v -D plughw:USB -f cd test.wav gives a useful 16Bit44k1recording! got the pointer from here: https://www.mail-archive.com/alsa-user%40lists.sourceforge.net/ms...
by styro
Wed Nov 11, 2015 2:51 am
Forum: Troubleshooting
Topic: Record Audio with Focusrite Scarlett 2i2
Replies: 6
Views: 8369

Record Audio with Focusrite Scarlett 2i2

Hello, i am desperately trying to get some audio from the Focusrite Scarlett 2i2 class complient usb-Interface into my raspberry 2 B (wheezy & jessy the same). Audio Out works great, but trying to capture some Audio with arecord always results in a very loud digital-noise file with some faint si...

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