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authorcbbrowne <cbbrowne@cbbrowne.tor.int-afilias.info>2016-11-16 17:05:11 -0500
committercbbrowne <cbbrowne@cbbrowne.tor.int-afilias.info>2016-11-16 17:05:11 -0500
commit5b88e7ab9a59dbbc5df6ffa4639befebb9fb115e (patch)
tree3676cd8ed034158c1d615d62cca3bf2631a71e96 /keyboards/infinity60/matrix.c
parentc609edc36233ef0dc87d158fb8e8da989e74cae2 (diff)
parent9f1b27c5bad5ba36afaa32f986fd662053215d8b (diff)
Merge branch 'master' of https://github.com/jackhumbert/qmk_firmware
Diffstat (limited to 'keyboards/infinity60/matrix.c')
-rw-r--r--keyboards/infinity60/matrix.c7
1 files changed, 6 insertions, 1 deletions
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);