1 files changed, 0 insertions, 127 deletions
diff --git a/keyboards/crkbd/rev1/legacy/split_util.c b/keyboards/crkbd/rev1/legacy/split_util.c
deleted file mode 100644
index d0fee04ad6..0000000000
--- a/keyboards/crkbd/rev1/legacy/split_util.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
-Copyright 2019 @foostan
-Copyright 2020 Drashna Jaelre <@drashna>
-
-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 <http://www.gnu.org/licenses/>.
-*/
-
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/power.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-#include <avr/eeprom.h>
-#include "split_util.h"
-#include "matrix.h"
-#include "keyboard.h"
-#include "wait.h"
-
-#ifdef EE_HANDS
-#    include "eeconfig.h"
-#endif
-
-#ifdef USE_MATRIX_I2C
-#  include "i2c_master.h"
-#else
-#  include "split_scomm.h"
-#endif
-
-#ifndef SPLIT_USB_TIMEOUT
-#    define SPLIT_USB_TIMEOUT 2000
-#endif
-
-#ifndef SPLIT_USB_TIMEOUT_POLL
-#    define SPLIT_USB_TIMEOUT_POLL 10
-#endif
-
-volatile bool isLeftHand = true;
-
-bool waitForUsb(void) {
-    for (uint8_t i = 0; i < (SPLIT_USB_TIMEOUT / SPLIT_USB_TIMEOUT_POLL); i++) {
-        // This will return true if a USB connection has been established
-        if (UDADDR & _BV(ADDEN)) {
-            return true;
-        }
-        wait_ms(SPLIT_USB_TIMEOUT_POLL);
-    }
-
-    // Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow
-    (USBCON &= ~(_BV(USBE) | _BV(OTGPADE)));
-
-    return false;
-}
-
-__attribute__((weak)) bool is_keyboard_left(void) {
-#if defined(SPLIT_HAND_PIN)
-    // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
-    setPinInput(SPLIT_HAND_PIN);
-    return readPin(SPLIT_HAND_PIN);
-#elif defined(EE_HANDS)
-    return eeconfig_read_handedness();
-#elif defined(MASTER_RIGHT)
-    return !has_usb();
-#endif
-
-    return has_usb();
-}
-
-__attribute__((weak)) bool has_usb(void) {
-    static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN;
-
-    // only check once, as this is called often
-    if (usbstate == UNKNOWN) {
-#if defined(SPLIT_USB_DETECT)
-        usbstate = waitForUsb() ? MASTER : SLAVE;
-#elif defined(__AVR__)
-        USBCON |= (1 << OTGPADE);  // enables VBUS pad
-        wait_us(5);
-
-        usbstate = (USBSTA & (1 << VBUS)) ? MASTER : SLAVE;  // checks state of VBUS
-#else
-        usbstate = MASTER;
-#endif
-    }
-
-    return (usbstate == MASTER);
-}
-
-static void keyboard_master_setup(void) {
-
-#ifdef USE_MATRIX_I2C
-    i2c_init();
-#else
-    serial_master_init();
-#endif
-}
-
-static void keyboard_slave_setup(void) {
-
-#ifdef USE_MATRIX_I2C
-    i2c_slave_init(SLAVE_I2C_ADDRESS);
-#else
-    serial_slave_init();
-#endif
-}
-
-// this code runs before the usb and keyboard is initialized
-void split_keyboard_setup(void) {
-    isLeftHand = is_keyboard_left();
-
-   if (has_usb()) {
-      keyboard_master_setup();
-   } else {
-      keyboard_slave_setup();
-   }
-   sei();
-}