| Commit message (Collapse) | Author | Age | Files | Lines |
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With FSMC BTR timing register settings tuned and DMA on, we get over
10.2 Mpx/s instead of 4.7 Mpx/s.
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Enable FSMC functions only when GDISP_USE_FSMC is set.
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This is mostly a copy from Eddie's work posted here:
http://forum.chibios.org/phpbb/viewtopic.php?f=11&t=851#p11054
No work was done towards making it work as fast as possible.
Tested with:
https://github.com/etmatrix/ChibiOS-GFX-Example/blob/master/bench/main.c
Results show performance of ~5.34 Mpx/s with use of DMA compared to
~4.78 Mpx/s without.
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GMISC fast floating point trig
GMISC fast fixed point trig
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This reverts commit 0a26d9983b6d1deab272ff6dde98f7c77ff2a56c.
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Few type castings in order to suppress warnings (-Wsign-compare):
"comparison between signed and unsigned integer expressions"
"signed and unsigned type in conditional expression"
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Removed GPIO board file. It did not work (it wasn't finished nor started
to be honest). It is always possible to make it, general idea is exactly
the same as in SSD1289 driver.
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Changed to new scheme: gdisp_lld_*.
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All angles supported: 0, 90, 180, 270.
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All modes are working: powerOff, powerOn, powerSleep and powerDeepSleep.
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- Backlight uses PWM on TIM4 CH2.
- Updated readme.
- Updated gdisp_lld.c: moved from lld_gdisp_* to gdisp_lld_* functions
names format.
- One forgotten GDISP_LLD() macro removal.
- General code cleanup (make diff with -w parameter ;))
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- Added FSMC board file (_fsmc suffix) - working.
- Added GPIO board file (no suffix) - not working.
- Removed unneeded files.
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It is a mix of barely changed few drivers already present in ChibiOS/GFX
project. No other routines than initialization ones were changed.
Properly displays "basics" demo.
Main features and changes:
- Based on SSD1289 and SSD1121 in FSMC mode.
- Uses FSMC module. Maybe oneday I will make GPIO version.
- LCD backlight PWM input is tied high (no timer yet).
- Added ssd2119.h with SSD2119 registers' addresses.
- Updated set_cursor and set_viewport functions. Not thoroughly tested,
however.
- Rewritten GDISP_LLD(init)(void) function.
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Created board support file for Embest DM-STF4BB board with DM-LCD35RT
LCD module. You simply plug STM32F4DISCOVERY into it.
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I started project of new driver: SSD2119. This work is based on SSD1289.
I don't know exactly if this one is the most similar to my one. It's
just an experiment. There is no accompanying board file of any flavor,
but the hardware lying on my desk is Embest DM-STF4BB with DM-LCD35RT
LCD module.
Changes already made:
- Copied entire drivers/gdisp/SSD1289 directory into
drivers/gdisp/SSD2119.
- Changed every occurrence of "SSD1289" to "SSD2119" in each source
file.
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