109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
#include "split_util.h"
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#include "matrix.h"
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#include "keyboard.h"
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#include "config.h"
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#include "timer.h"
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#include "transport.h"
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#include "quantum.h"
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#ifdef EE_HANDS
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# include "eeconfig.h"
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#endif
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#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
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# include "rgblight.h"
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#endif
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#ifndef SPLIT_USB_TIMEOUT
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# define SPLIT_USB_TIMEOUT 2500
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#endif
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volatile bool isLeftHand = true;
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bool waitForUsb(void) {
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for (uint8_t i = 0; i < (SPLIT_USB_TIMEOUT / 100); i++) {
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// This will return true of a USB connection has been established
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#if defined(__AVR__)
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if (UDADDR & _BV(ADDEN)) {
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#else
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if (usbGetDriverStateI(&USBD1) == USB_ACTIVE) {
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#endif
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return true;
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}
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wait_ms(100);
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}
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// Avoid NO_USB_STARTUP_CHECK - Disable USB as the previous checks seem to enable it somehow
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#if defined(__AVR__)
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(USBCON &= ~(_BV(USBE) | _BV(OTGPADE)));
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#else
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usbStop(&USBD1);
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#endif
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return false;
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}
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__attribute__((weak)) bool is_keyboard_left(void) {
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#if defined(SPLIT_HAND_PIN)
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// Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
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setPinInput(SPLIT_HAND_PIN);
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return readPin(SPLIT_HAND_PIN);
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#elif defined(EE_HANDS)
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return eeconfig_read_handedness();
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#elif defined(MASTER_RIGHT)
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return !is_keyboard_master();
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#endif
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return is_keyboard_master();
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}
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__attribute__((weak)) bool is_keyboard_master(void) {
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static enum { UNKNOWN, MASTER, SLAVE } usbstate = UNKNOWN;
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// only check once, as this is called often
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if (usbstate == UNKNOWN) {
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#if defined(SPLIT_USB_DETECT) || defined(PROTOCOL_CHIBIOS)
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usbstate = waitForUsb() ? MASTER : SLAVE;
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#elif defined(__AVR__)
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USBCON |= (1 << OTGPADE); // enables VBUS pad
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wait_us(5);
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usbstate = (USBSTA & (1 << VBUS)) ? MASTER : SLAVE; // checks state of VBUS
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#else
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usbstate = MASTER;
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#endif
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}
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return (usbstate == MASTER);
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}
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static void keyboard_master_setup(void) {
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#if defined(USE_I2C)
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# ifdef SSD1306OLED
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matrix_master_OLED_init();
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# endif
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#endif
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transport_master_init();
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}
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static void keyboard_slave_setup(void) { transport_slave_init(); }
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// this code runs before the keyboard is fully initialized
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void keyboard_split_setup(void) {
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isLeftHand = is_keyboard_left();
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#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
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uint8_t num_rgb_leds_split[2] = RGBLED_SPLIT;
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if (isLeftHand) {
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rgblight_set_clipping_range(0, num_rgb_leds_split[0]);
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} else {
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rgblight_set_clipping_range(num_rgb_leds_split[0], num_rgb_leds_split[1]);
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}
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#endif
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if (is_keyboard_master()) {
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keyboard_master_setup();
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} else {
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keyboard_slave_setup();
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}
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}
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