- #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 "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();
- }
- }
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