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authorFred Sundvik <fsundvik@gmail.com>2016-11-05 22:45:21 +0200
committerFred Sundvik <fsundvik@gmail.com>2016-11-05 22:45:21 +0200
commitc06e2486abda43205a490fc6b233f72f34667857 (patch)
tree4862098a9788f9c8b4d0d91e01c9b291980a04a5 /keyboards
parent04df74f6360464661bcc1e6794e9fd3549084390 (diff)
Increase the infinity60 system tick frequency
Diffstat (limited to 'keyboards')
-rw-r--r--keyboards/infinity60/chconf.h2
-rw-r--r--keyboards/infinity60/matrix.c7
2 files changed, 7 insertions, 2 deletions
diff --git a/keyboards/infinity60/chconf.h b/keyboards/infinity60/chconf.h
index 43c845739a..d9114ec858 100644
--- a/keyboards/infinity60/chconf.h
+++ b/keyboards/infinity60/chconf.h
@@ -48,7 +48,7 @@
* @details Frequency of the system timer that drives the system ticks. This
* 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.
diff --git a/keyboards/infinity60/matrix.c b/keyboards/infinity60/matrix.c
index 62c165aa53..d2f1852885 100644
--- a/keyboards/infinity60/matrix.c
+++ b/keyboards/infinity60/matrix.c
@@ -96,7 +96,12 @@ uint8_t matrix_scan(void)
}
#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
data = (palReadPort(GPIOD)>>1);