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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 "tmk_core/common/eeprom.h"
# include "eeconfig.h"
#endif
#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
# include "rgblight.h"
#endif
volatile bool isLeftHand = true;
__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 eeprom_read_byte(EECONFIG_HANDEDNESS);
#elif defined(MASTER_RIGHT)
return !is_keyboard_master();
#endif
return is_keyboard_master();
}
__attribute__((weak)) bool is_keyboard_master(void) {
#ifdef __AVR__
static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN;
// only check once, as this is called often
if (usbstate == UNKNOWN) {
USBCON |= (1 << OTGPADE); // enables VBUS pad
wait_us(5);
usbstate = (USBSTA & (1 << VBUS)) ? MASTER : SLAVE; // checks state of VBUS
}
return (usbstate == MASTER);
#else
return true;
#endif
}
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 usb and keyboard is initialized
void matrix_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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