mirror of
				https://github.com/mfulz/qmk_firmware.git
				synced 2025-11-04 07:12:33 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			113 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#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);
 | 
						|
}
 | 
						|
 | 
						|
// this code runs before the keyboard is fully initialized
 | 
						|
void split_pre_init(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()) {
 | 
						|
#if defined(USE_I2C) && defined(SSD1306OLED)
 | 
						|
        matrix_master_OLED_init();
 | 
						|
#endif
 | 
						|
        transport_master_init();
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
// this code runs after the keyboard is fully initialized
 | 
						|
//   - avoids race condition during matrix_init_quantum where slave can start
 | 
						|
//     receiving before the init process has completed
 | 
						|
void split_post_init(void) {
 | 
						|
    if (!is_keyboard_master()) {
 | 
						|
        transport_slave_init();
 | 
						|
    }
 | 
						|
}
 |