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Commit Graph

6 Commits

Author SHA1 Message Date
Jochen Hoenicke
5dae02bbbf
Faster SPI communication
According to specs, the display can handle up to 10 MHz SPI traffic
(minimum cycle time is 100 ns). This patch sets the SPI port to
7.5 MHz (60 MHz clock with divisor 8).  In my tests the display works
even fine with SPI frequency at 60 MHz.  I also minimized the delays
(the spec doesn't require a long setup time) and use the registers to
check when transfer is done instead of using a fixed delay.

This patch also changes the swipe function to swipe pixel by pixel.
Otherwise, the swipe would happen too fast to be seen.

This changes the display update time from 11 ms to 1.5 ms.
2016-08-26 18:43:16 +02:00
Pavol Rusnak
6e3aec0c1b
move submodules to vendor subdirectory 2015-12-15 23:01:54 +01:00
Pavol Rusnak
2707e8aff6 move APPVER guards from includes to app code 2014-07-07 15:03:34 +02:00
Pavol Rusnak
8ee9d50eb6 leave GPIO9 floating 2014-07-01 20:29:44 +02:00
Pavol Rusnak
ea42f6af4e adapt to new opencm3 include structure 2014-06-19 00:12:31 +02:00
Pavol Rusnak
0d0a1ab5f2 import v1.0.0 2014-04-29 14:38:32 +02:00