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Merge pull request #866 from fredizzimo/infinity60_clockfixes

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Increase the infinity60 system tick frequency
This commit is contained in:
Jack Humbert 2016-11-16 14:42:53 -05:00 • committed by GitHub
commit 17e1a4f825
2 changed files with 7 additions and 2 deletions
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2
keyboards/infinity60/chconf.h
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@ -48,7 +48,7 @@
* @details Frequency of the system timer that drives the system ticks. This * @details Frequency of the system timer that drives the system ticks. This
* setting also defines the system tick time unit. * setting also defines the system tick time unit.
*/ */
#define CH_CFG_ST_FREQUENCY 1000 #define CH_CFG_ST_FREQUENCY 100000
/** /**
* @brief Time delta constant for the tick-less mode. * @brief Time delta constant for the tick-less mode.

7
keyboards/infinity60/matrix.c
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@ -96,7 +96,12 @@ uint8_t matrix_scan(void)
} }
#endif #endif
wait_us(1); // need wait to settle pin state // need wait to settle pin state
// if you wait too short, or have a too high update rate
// the keyboard might freeze, or there might not be enough
// processing power to update the LCD screen properly.
// 20us, or two ticks at 100000Hz seems to be OK
wait_us(20);
// read col data // read col data
data = (palReadPort(GPIOD)>>1); data = (palReadPort(GPIOD)>>1);