forked from forks/qmk_firmware
bf962821b3
Its use in lets_split_eh was factored out in https://github.com/qmk/qmk_firmware/pull/6411
88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
#include "split_util.h"
|
|
#include "matrix.h"
|
|
#include "keyboard.h"
|
|
#include "config.h"
|
|
#include "timer.h"
|
|
#include "split_flags.h"
|
|
#include "transport.h"
|
|
#include "quantum.h"
|
|
|
|
#ifdef EE_HANDS
|
|
# include "tmk_core/common/eeprom.h"
|
|
# include "eeconfig.h"
|
|
#endif
|
|
|
|
volatile bool isLeftHand = true;
|
|
|
|
__attribute__((weak))
|
|
bool is_keyboard_left(void) {
|
|
#ifdef 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);
|
|
#else
|
|
#ifdef EE_HANDS
|
|
return eeprom_read_byte(EECONFIG_HANDEDNESS);
|
|
#else
|
|
#ifdef MASTER_RIGHT
|
|
return !is_keyboard_master();
|
|
#else
|
|
return is_keyboard_master();
|
|
#endif
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
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)
|
|
#ifdef SSD1306OLED
|
|
matrix_master_OLED_init ();
|
|
#endif
|
|
#endif
|
|
transport_master_init();
|
|
|
|
// For master the Backlight info needs to be sent on startup
|
|
// Otherwise the salve won't start with the proper info until an update
|
|
BACKLIT_DIRTY = true;
|
|
}
|
|
|
|
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 (is_keyboard_master())
|
|
{
|
|
keyboard_master_setup();
|
|
}
|
|
else
|
|
{
|
|
keyboard_slave_setup();
|
|
}
|
|
}
|