keyboards/sol/rev1/split_util.c

   1 #include <avr/io.h>
   2 #include <avr/wdt.h>
   3 #include <avr/power.h>
   4 #include <avr/interrupt.h>
   5 #include <util/delay.h>
   6 #include <avr/eeprom.h>
   7 #include "split_util.h"
   8 #include "matrix.h"
   9 #include "keyboard.h"
  10 #include "serial.h"
  11
  12 volatile bool isLeftHand = true;
  13
  14 static void setup_handedness(void) {
  15   #ifdef EE_HANDS
  16     isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
  17   #else
  18     #if defined(MASTER_RIGHT)
  19       isLeftHand = !has_usb();
  20     #else
  21       isLeftHand = has_usb();
  22     #endif
  23   #endif
  24 }
  25
  26 static void keyboard_master_setup(void) {
  27     serial_master_init();
  28 }
  29
  30 static void keyboard_slave_setup(void) {
  31     serial_slave_init();
  32 }
  33
  34 bool has_usb(void) {
  35    USBCON |= (1 << OTGPADE); //enables VBUS pad
  36    _delay_us(5);
  37    return (USBSTA & (1<<VBUS));  //checks state of VBUS
  38 }
  39
  40 void split_keyboard_setup(void) {
  41    setup_handedness();
  42
  43    if (has_usb()) {
  44       keyboard_master_setup();
  45    } else {
  46       keyboard_slave_setup();
  47    }
  48    sei();
  49 }
  50
  51 // this code runs before the usb and keyboard is initialized
  52 void matrix_setup(void) {
  53     split_keyboard_setup();
  54 }