From fb150e08f1f87c05127d648c47a3fda455f3ecfa Mon Sep 17 00:00:00 2001 From: rockybulwinkle Date: Fri, 12 Aug 2022 21:38:01 -0500 Subject: [PATCH] [Keyboard] Increase kinesis/kint41 unselect delay (#18015) * [Keyboard] Increase kinesis/kint41 unselect delay Fixes #18014 * Update kint41.c Use correct si-abbreviation for micro in comment. --- keyboards/kinesis/kint41/kint41.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/keyboards/kinesis/kint41/kint41.c b/keyboards/kinesis/kint41/kint41.c index 346bf8cac40..2538b492de1 100644 --- a/keyboards/kinesis/kint41/kint41.c +++ b/keyboards/kinesis/kint41/kint41.c @@ -47,7 +47,10 @@ void matrix_output_unselect_delay(uint8_t line, bool key_pressed) { // Empirically: e.g. 5μs is not enough, will result in keys that don’t work // and ghost key presses. 10μs seems to work well. + // On some variants of the hardware, 20μs seems to be required. This was found + // on a combination of KB600LF+stapelberg v2020-06-30+teensy41. + // 600 cycles at 0.6 cycles/ns == 1μs const uint32_t cycles_per_us = 600; - delay_inline(10 * cycles_per_us); + delay_inline(20 * cycles_per_us); }