Robin Mallinson
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38101f8a62
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fix dumb typo
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2012-11-18 14:57:55 +00:00 |
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Robin Mallinson
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90dfe77fd5
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Sketch out temporary data
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2012-11-18 14:55:27 +00:00 |
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Robin Mallinson
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d6e1b2efe5
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Add skeleton of allocation code for kmalloc and kfree. Currently allocates a dummy storage area.
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2012-11-18 14:36:05 +00:00 |
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Robin Mallinson
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4b87d814df
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Add crude 'written_data' array so dev_read simply echos verbatim what was written to dev_write without probing the actual DMA control block data. This gives no clue as to whether the DMA control bloack has been programmed but does mean that Richard's control code - which has a special case for delay=0 - does not require changing. Next steps are to have an array per-process.
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2012-11-18 14:09:45 +00:00 |
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Robin Mallinson
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94c2aab61b
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Revert to original code re: setting delay, so we again have a delay of 1
for a pulse of zero. Will frig the display issues by using an array that
stores written cnt rather than deriving it from actual register data.
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2012-11-18 13:47:30 +00:00 |
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Robin Mallinson
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62f326001c
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Refactor to amke the only difference between the code paths a little more obvious.
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2012-11-13 00:02:11 +00:00 |
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Robin Mallinson
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e3230cb8d2
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Make servoblaster write pulse high length even when cnt=0. Also change default tick high from 1 to zero.
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2012-11-12 23:49:39 +00:00 |
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Robin Mallinson
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8002904e4e
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Enable dev_read code, plus fix a couple of syntax errors (the code hadn't been compiled).
It appears to work at a cursory level:
pi@raspberrypi ~/src/PiBits/ServoBlaster $ sudo insmod ./servoblaster.ko
pi@raspberrypi ~/src/PiBits/ServoBlaster $ ls -l /dev/servoblaster
crw-rw-rw- 1 root root 251, 0 Nov 11 19:22 /dev/servoblaster
pi@raspberrypi ~/src/PiBits/ServoBlaster $ cat /dev/servoblaster
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
pi@raspberrypi ~/src/PiBits/ServoBlaster $
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2012-11-11 19:23:41 +00:00 |
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Robin Mallinson
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fd2d771d1e
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Add dev_read() function to driver to allow it to report current settings
for each of the 8 PWMs via /dev/servoblaster.
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2012-11-05 22:23:45 +00:00 |
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Richard Hirst
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2b9f76dd88
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Updates to allow tweaking timing via module parameters
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2012-08-30 21:58:53 +01:00 |
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Richard Hirst
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d8df9b7625
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Added ServoBlaster
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2012-08-19 17:11:33 +01:00 |
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