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| 16:07.36 | e-yes | anyone has success with playing with vibrator (nokia n9)? I mean interaction between userland and /dev/input/vibra node, not mce or even higher level APIs |
| 16:08.55 | e-yes | looks like ioctl payload driver sends directly to vibra amplifier (thru spi bus). therefore, without knowledge about chip it's hard to understand what I should send to get, let's say 100ms vibration |
| 16:09.19 | e-yes | yet another "open source" aspect of nokia n9 :( |
| 16:14.01 | javispedro | e-yes: what protocol does it speak? have you tried normal kernel FF one? |
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| 16:17.05 | e-yes | javispedro, it accepts only FF_PERIODIC+FF_CUSTOM. so, no idea what I should send as payload (unsigned short array, effect.u.periodic.custom_data) |
| 16:17.43 | e-yes | looks like this custom_data is finally is being transmitted thru spi |
| 16:18.29 | javispedro | bad |
| 16:18.48 | javispedro | all I've used is the layer that is immediately above FF, which is vibetonz/immvibde |
| 16:18.54 | javispedro | *immvibe |
| 16:18.57 | javispedro | that is also propietary though... |
| 16:19.28 | e-yes | does it work without mce running? do you have any examples how to use it? |
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| 16:20.01 | javispedro | e-yes: this is from my old SDL port: https://github.com/harmattan/harmattan-sdl/blob/0606067b617e529243adf8baf1bc21994b7df1fd/src/haptic/immersion/SDL_syshaptic.c |
| 16:21.21 | javispedro | I don't remember where I got the info, but if you google around the function names you'll find some hits, mostly Android game devs |
| 16:22.16 | javispedro | it works without mce indeed |
| 16:22.27 | javispedro | afaik that's what mce uses. |
| 16:26.16 | coderus | e-yes: afaik juiceme played with vibra, but didnt succeded at initializing it, so it worked only after nokia frivers initialized vibra first. |
| 16:33.03 | e-yes | I managed to initialize it somehow, but vibra feedback is so "soft" |
| 16:33.12 | e-yes | not strong at all |
| 16:35.49 | e-yes | simple test - http://pastebin.com/gTts8XHs |
| 16:52.24 | e-yes | I changed custom_len to 200 and decreased usleep interval to 6000us - now vibra is stronger |
| 16:53.07 | e-yes | looks like kernel sends smth on spi constantly while vibration |
| 16:54.40 | e-yes | that may mean that vibra amplifier doesn't have SPI interface, it interprets MOSI as PWM and amplifies it. this theory explains why there is no CLK used |
| 17:05.38 | e-yes | yep, sure. not SPI at all, despite driver uses spi_message_init+spi_message_add_tail+spi_sync |
| 17:06.40 | e-yes | OMFG! Nokia, what do you do, cut it off!11 |
| 17:07.03 | javispedro | lol |
| 17:07.22 | e-yes | fscking disguise) |
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| 17:16.58 | e-yes | that what I always call OOO programming |
| 17:18.03 | e-yes | OOO programming - overkill and overhead overengineered programming |
| 17:25.51 | manqeloq1e | heh, great way to save money |
| 17:48.03 | e-yes | why not to use PWM? I believe OMAP3 have it |
| 17:49.41 | e-yes | and I'm blind, actually... I just recognized that there is "Omap PWM" sign above SIMO (MOSI) line |
| 17:49.53 | e-yes | but they use SPI API anyway) |
| 17:52.54 | e-yes | vibra_spi.c: "This file implements a driver for SPI data driven vibrator." |
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| 20:19.29 | e-yes | modem activity affects vibration cleanness, predictable:( |
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| 21:25.18 | e-yes | and cleaned up code for that vibra test: https://gitorious.org/harmattan-goodies/misc-tests/source/94de65d337d07792766ccdf026e07e7abcabcd03:vibra.c |
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