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path: root/apps/plugins/fft
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2010-08-24Second try: Introduce plugin_crt0.c that every plugin links.Thomas Martitz
It handles exit() properly, calling the handler also when the plugin returns normally (also make exit() more standard compliant while at it). It also holds PLUGIN_HEADER, so that it doesn't need to be in each plugin anymore. To work better together with callbacks passed to rb->default_event_handler_ex() introduce exit_on_usb() which will call the exit handler before showing the usb screen and exit() after it. In most cases rb->default_event_handler_ex() was passed a callback which was manually called at all other return points. This can now be done via atexit(). In future plugin_crt0.c could also handle clearing bss, initializing iram and more. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27873 a1c6a512-1295-4272-9138-f99709370657
2010-08-23Revert "Introduce plugin_crt0.c that every plugin links."Thomas Martitz
Too much errors and no time to fix them now. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27863 a1c6a512-1295-4272-9138-f99709370657
2010-08-23Introduce plugin_crt0.c that every plugin links.Thomas Martitz
It handles exit() properly, calling the handler also when the plugin returns normally (also it makes exit() more standard compliant while at it). It also holds PLUGIN_HEADER, so that it doesn't need to be in each plugin anymore. To work better together with callbacks passed to rb->default_event_handler_ex introduce exit_on_usb() which will call the exit handler before showing the usb screen and exit() after it. In most cases it was passed a callback which was manually called at all other return points. This can now be done via atexit(). In future plugin_crt0.c could also handle clearing bss, initializing iram and more. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27862 a1c6a512-1295-4272-9138-f99709370657
2010-06-04Convert some more stuff to mylcd_ and support pgfx as well.Michael Sevakis
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26543 a1c6a512-1295-4272-9138-f99709370657
2010-06-04Add a wrapper header, mylcd.h, in the lib subdirectory, which lets plugins' ↵Michael Sevakis
code automatically call the proper functions depending if compilation is for greylib or color display, also forms proper call to grey_ and xlcd_. mylcd_ub_ call greylib unbuffered routines, regular lcd routines otherwise. Form is mylcd_<fnname>, <fnname> is the symbol name stripped of prefixes lcd_, grey_, or xlcd_. Convert a couple plugins I know well (easy job). git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26542 a1c6a512-1295-4272-9138-f99709370657
2010-06-03More FFT fun: No point in computing and combining the 2nd FFT if it's just ↵Michael Sevakis
being made null. Use the regular complex FFT (called by fftr anyway) and save ram and computation for a given number of bins. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26507 a1c6a512-1295-4272-9138-f99709370657
2010-06-03FFT plugin: Some speed regulation for too-fast targets. (50FPS)Michael Sevakis
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26503 a1c6a512-1295-4272-9138-f99709370657
2010-06-03FFT plugin: give everything in the main file a nice 'static'-ing. Saves ↵Michael Sevakis
approx. 1-3K size depending upon the target and so should speed it up a bit. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26499 a1c6a512-1295-4272-9138-f99709370657
2010-06-03FFT plugin: Use worker thread only on multiprocessor targets.Michael Sevakis
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26498 a1c6a512-1295-4272-9138-f99709370657
2010-06-02FFT Plugin: Should use scale_factor, not LCD_WIDTH/HEIGHT to break the ↵Michael Sevakis
spectrogram loop. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26471 a1c6a512-1295-4272-9138-f99709370657
2010-06-02FFT Plugin: Revamp the main code to rid it of 64-bit math. Use 32-bit ↵Michael Sevakis
kiss_fft_scalar because 16-bit integers are generally a poor choice for computation on-target. Simplify display code to speed it up. Add logarithmic frequency display (need keymappings, guessed on some). On dual-core, perform FFT on COP. Add some support function to fixedpoint.c. ... and stuff. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26470 a1c6a512-1295-4272-9138-f99709370657
2010-06-01fft: use long home button to exit on fuzeRafaël Carré
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26443 a1c6a512-1295-4272-9138-f99709370657
2010-05-18fft: always enable spectrogram, gray mode works with LCD_DEPTH == 1Rafaël Carré
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26140 a1c6a512-1295-4272-9138-f99709370657
2010-05-17fft plugin: move const data into a c file and use no wider types than ↵Nils Wallménius
necessary, makes the plugin about 63kB smaller git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26100 a1c6a512-1295-4272-9138-f99709370657
2010-05-02FFT plugin: The 64-bit sqrt function is no longer neededDelyan Kratunov
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25791 a1c6a512-1295-4272-9138-f99709370657
2010-05-02FFT plugin: eliminate 64-bit math. This should result in faster and probably ↵Delyan Kratunov
more accurate calculations. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25790 a1c6a512-1295-4272-9138-f99709370657
2010-04-26Add MPIO HD200 port - changed filesMarcin Bukat
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25724 a1c6a512-1295-4272-9138-f99709370657
2010-02-28FFT plugin: init mutexMaurus Cuelenaere
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24973 a1c6a512-1295-4272-9138-f99709370657
2010-02-22kiss_fftr appears to perform two real-valued ffts in parallel -- so feed ↵Dave Hooper
it only one signal of size N/2 (as opposed to splitting a single signal of size N into two interleaved parts which is what it seemed to be doing before) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24865 a1c6a512-1295-4272-9138-f99709370657
2010-02-14Packard Bell Vibe 500: Finish plugin keymaps. Rockbox compiles clean now for ↵Szymon Dziok
the target. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24658 a1c6a512-1295-4272-9138-f99709370657
2010-02-12fft: fix yellowTomer Shalev
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24613 a1c6a512-1295-4272-9138-f99709370657
2010-02-11fft: fix redTomer Shalev
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24612 a1c6a512-1295-4272-9138-f99709370657
2010-02-11fft plugin: add touchscreen key-mapping and enable plugin for touchscreen ↵Tomer Shalev
targets git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24611 a1c6a512-1295-4272-9138-f99709370657
2010-02-10New plugin: FFT, A frequency analyzer pluginFrank Gevaerts
There is some more work needed: - Keymaps are definitely not perfect, touchscreen targets are disabled due to no keymap - There is no manual yet Author: Delyan Kratunov Flyspray: FS#10065 git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24587 a1c6a512-1295-4272-9138-f99709370657
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