From 9581289745736ce068a1040f44cec37a2ca8830d Mon Sep 17 00:00:00 2001 From: lokher Date: Tue, 13 Sep 2022 11:24:05 +0800 Subject: Remove non-Keychron keyboards --- keyboards/kinesis/kint41/kint41.c | 56 --------------------------------------- 1 file changed, 56 deletions(-) delete mode 100644 keyboards/kinesis/kint41/kint41.c (limited to 'keyboards/kinesis/kint41/kint41.c') diff --git a/keyboards/kinesis/kint41/kint41.c b/keyboards/kinesis/kint41/kint41.c deleted file mode 100644 index 2538b492de..0000000000 --- a/keyboards/kinesis/kint41/kint41.c +++ /dev/null @@ -1,56 +0,0 @@ -/* Copyright 2020 QMK - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -#include "kint41.h" - -#define LED_POWER LINE_PIN13 - -void matrix_init_kb(void) { - matrix_init_user(); - - // Turn on the Teensy 4.x Power LED: - setPinOutput(LED_POWER); - writePinHigh(LED_POWER); -} - -// delay_inline sleeps for |cycles| (e.g. sleeping for F_CPU will sleep 1s). -// delay_inline assumes the cycle counter has already been initialized and -// should not be modified, i.e. it is safe to call during keyboard matrix scan. -// -// ChibiOS enables the cycle counter in chcore_v7m.c: -// https://github.com/ChibiOS/ChibiOS/blob/b63023915c304092acb9f33bbab40f3ec07a7f0e/os/common/ports/ARMCMx/chcore_v7m.c#L263 -static void delay_inline(const uint32_t cycles) { - const uint32_t start = DWT->CYCCNT; - while ((DWT->CYCCNT - start) < cycles) { - // busy-loop until time has passed - } -} - -void matrix_output_unselect_delay(uint8_t line, bool key_pressed) { - // Use the cycle counter to do precise timing in microseconds. The ChibiOS - // thread sleep functions only allow sleep durations starting at 1 tick, which - // is 100μs in our configuration. - - // 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(20 * cycles_per_us); -} -- cgit v1.2.3