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authordbroqua <dbroqua@mousur.org>2016-12-17 22:25:21 +0100
committerdbroqua <dbroqua@mousur.org>2016-12-17 22:25:21 +0100
commitdf50bee5a88cacbd1f5fab98b26c2068646b61c0 (patch)
tree60a59d80c173055788e66b7e9dd79aaad7b27df6 /keyboards/infinity60/matrix.c
parent46b93f02d570c0bb66410cb8d9af2451d5453635 (diff)
parent13c4080a1d77cb1dfdf48df8a42e78b9dc483912 (diff)
Merge branch 'master' of https://github.com/Dbroqua/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);