Initial version of Raw HID interface

[qmk_firmware.git] / keyboards / infinity60 / matrix.c

diff --git a/keyboards/infinity60/matrix.c b/keyboards/infinity60/matrix.c
index 62c165aa5339747179f83b5be3c74f0ab0d82291..d2f1852885dfc0b92b40c1a79288743974f3abde 100644 (file)
--- 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);