diff options
Diffstat (limited to 'keyboards/crkbd/rev1/split_util.c')
-rw-r--r-- | keyboards/crkbd/rev1/split_util.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/keyboards/crkbd/rev1/split_util.c b/keyboards/crkbd/rev1/split_util.c deleted file mode 100644 index b642a734c..000000000 --- a/keyboards/crkbd/rev1/split_util.c +++ /dev/null @@ -1,109 +0,0 @@ -#include <avr/io.h> -#include <avr/wdt.h> -#include <avr/power.h> -#include <avr/interrupt.h> -#include <util/delay.h> -#include <avr/eeprom.h> -#include "split_util.h" -#include "matrix.h" -#include "keyboard.h" -#include "wait.h" - -#ifdef EE_HANDS -# include "eeconfig.h" -#endif - -#ifdef USE_MATRIX_I2C -# include "i2c.h" -#else -# include "split_scomm.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 (UDADDR & _BV(ADDEN)) { - return true; - } - wait_ms(SPLIT_USB_TIMEOUT_POLL); - } - - // Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow - (USBCON &= ~(_BV(USBE) | _BV(OTGPADE))); - - 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 !has_usb(); -#endif - - return has_usb(); -} - -__attribute__((weak)) bool has_usb(void) { - static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN; - - // only check once, as this is called often - if (usbstate == UNKNOWN) { -#if defined(SPLIT_USB_DETECT) - 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); -} - -static void keyboard_master_setup(void) { - -#ifdef USE_MATRIX_I2C - i2c_master_init(); -#else - serial_master_init(); -#endif -} - -static void keyboard_slave_setup(void) { - -#ifdef USE_MATRIX_I2C - i2c_slave_init(SLAVE_I2C_ADDRESS); -#else - serial_slave_init(); -#endif -} - -// this code runs before the usb and keyboard is initialized -void split_keyboard_setup(void) { - isLeftHand = is_keyboard_left(); - - if (has_usb()) { - keyboard_master_setup(); - } else { - keyboard_slave_setup(); - } - sei(); -} |