Rob Purchase
6c94ce590d
Re-write the Telechips I2C delay routine in assembler to stop the compiler optimising it away. Tested with EABI and non-EABI compilers.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26872 a1c6a512-1295-4272-9138-f99709370657
2010-06-16 21:03:57 +00:00
Amaury Pouly
1d4dc9b3b0
cowond2: make sure the i2c delay loop code is actually generated by the eabi compiler.
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This fix adds one nop instruction per loop (there were 3 before) and so i2c will be slightly slower, but this hardly a problem.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26850 a1c6a512-1295-4272-9138-f99709370657
2010-06-14 23:01:30 +00:00
Bertrik Sikken
04451b4369
Fix missing i2c mutex initialisation for telechips.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21445 a1c6a512-1295-4272-9138-f99709370657
2009-06-21 13:26:32 +00:00
Rob Purchase
e70096ea5c
Telechips I2C: Scale the busy-wait delay based on FREQ, reducing wasted CPU cycles when unboosted (eg. when reading from the D2 touchscreen).
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19293 a1c6a512-1295-4272-9138-f99709370657
2008-12-01 21:02:00 +00:00
Daniel Stenberg
2acc0ac542
Updated our source code header to explicitly mention that we are GPL v2 or
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later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00
Bertrik Sikken
e5319e0e89
Fixed prototype of i2c_write for plugins and for i2c-telechips (fix red/yellow).
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17277 a1c6a512-1295-4272-9138-f99709370657
2008-04-28 14:33:03 +00:00
Rob Purchase
ddfd787c54
D2: Implement battery voltage readout from PCF50606 (levels not yet calibrated). Adjust I2C delay to ensure this also works when boosted.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17085 a1c6a512-1295-4272-9138-f99709370657
2008-04-12 16:18:28 +00:00
Rob Purchase
47ea030e2e
Initial Cowon D2 commit:
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* bootloader test program (basic LCD & button drivers, reads touchscreen)
* work-in-progress stubs for main build
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16090 a1c6a512-1295-4272-9138-f99709370657
2008-01-14 22:04:48 +00:00
