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#include "split_util.h"
#include "matrix.h"
#include "keyboard.h"
#include "config.h"
#include "timer.h"
#include "transport.h"
#include "quantum.h"
#ifdef EE_HANDS
# include "eeconfig.h"
#endif
#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
# include "rgblight.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 defined(__AVR__)
if (UDADDR & _BV(ADDEN)) {
#else
if (usbGetDriverStateI(&USBD1) == USB_ACTIVE) {
#endif
return true;
}
wait_ms(SPLIT_USB_TIMEOUT_POLL);
}
// Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow
#if defined(__AVR__)
(USBCON &= ~(_BV(USBE) | _BV(OTGPADE)));
#else
usbStop(&USBD1);
#endif
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 !is_keyboard_master();
#endif
return is_keyboard_master();
}
__attribute__((weak)) bool is_keyboard_master(void) {
static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN;
// only check once, as this is called often
if (usbstate == UNKNOWN) {
#if defined(SPLIT_USB_DETECT) || defined(PROTOCOL_CHIBIOS)
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) {
#if defined(USE_I2C) || defined(EH)
# ifdef SSD1306OLED
matrix_master_OLED_init();
# endif
#endif
transport_master_init();
}
static void keyboard_slave_setup(void) { transport_slave_init(); }
// this code runs before the keyboard is fully initialized
void keyboard_split_setup(void) {
isLeftHand = is_keyboard_left();
#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
uint8_t num_rgb_leds_split[2] = RGBLED_SPLIT;
if (isLeftHand) {
rgblight_set_clipping_range(0, num_rgb_leds_split[0]);
} else {
rgblight_set_clipping_range(num_rgb_leds_split[0], num_rgb_leds_split[1]);
}
#endif
if (is_keyboard_master()) {
keyboard_master_setup();
} else {
keyboard_slave_setup();
}
}
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