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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"
#include "wait.h"
#ifdef PROTOCOL_LUFA
# include <LUFA/Drivers/USB/USB.h>
#endif
#ifdef PROTOCOL_VUSB
# include "usbdrv.h"
#endif
#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
#ifdef PROTOCOL_CHIBIOS
# define SPLIT_USB_DETECT // Force this on for now
#endif
volatile bool isLeftHand = true;
#if defined(SPLIT_USB_DETECT)
# if defined(PROTOCOL_LUFA)
static inline bool usbHasActiveConnection(void) { return USB_Device_IsAddressSet(); }
static inline void usbDisable(void) {
USB_Disable();
USB_DeviceState = DEVICE_STATE_Unattached;
}
# elif defined(PROTOCOL_CHIBIOS)
static inline bool usbHasActiveConnection(void) { return usbGetDriverStateI(&USBD1) == USB_ACTIVE; }
static inline void usbDisable(void) { usbStop(&USBD1); }
# elif defined(PROTOCOL_VUSB)
static inline bool usbHasActiveConnection(void) {
usbPoll();
return usbConfiguration;
}
static inline void usbDisable(void) { usbDeviceDisconnect(); }
# else
static inline bool usbHasActiveConnection(void) { return true; }
static inline void usbDisable(void) {}
# endif
bool usbIsActive(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 (usbHasActiveConnection()) {
return true;
}
wait_ms(SPLIT_USB_TIMEOUT_POLL);
}
// Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow
usbDisable();
return false;
}
#elif defined(PROTOCOL_LUFA)
static inline bool usbIsActive(void) {
USB_OTGPAD_On(); // enables VBUS pad
wait_us(5);
return USB_VBUS_GetStatus(); // checks state of VBUS
}
#else
static inline bool usbIsActive(void) { return true; }
#endif
#ifdef SPLIT_HAND_MATRIX_GRID
void matrix_io_delay(void);
static uint8_t peek_matrix_intersection(pin_t out_pin, pin_t in_pin) {
setPinInputHigh(in_pin);
setPinOutput(out_pin);
writePinLow(out_pin);
// It's almost unnecessary, but wait until it's down to low, just in case.
wait_us(1);
uint8_t pin_state = readPin(in_pin);
// Set out_pin to a setting that is less susceptible to noise.
setPinInputHigh(out_pin);
matrix_io_delay(); // Wait for the pull-up to go HIGH.
return pin_state;
}
#endif
__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(SPLIT_HAND_MATRIX_GRID)
# ifdef SPLIT_HAND_MATRIX_GRID_LOW_IS_RIGHT
return peek_matrix_intersection(SPLIT_HAND_MATRIX_GRID);
# else
return !peek_matrix_intersection(SPLIT_HAND_MATRIX_GRID);
# endif
#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) {
usbstate = usbIsActive() ? MASTER : SLAVE;
}
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();
}
}
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