163 lines
4.4 KiB
C
163 lines
4.4 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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#include "wait.h"
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#ifdef PROTOCOL_LUFA
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# include <LUFA/Drivers/USB/USB.h>
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#endif
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#ifdef PROTOCOL_VUSB
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# include <usbdrv/usbdrv.h>
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#endif
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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 2000
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#endif
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#ifndef SPLIT_USB_TIMEOUT_POLL
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# define SPLIT_USB_TIMEOUT_POLL 10
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#endif
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#ifdef PROTOCOL_CHIBIOS
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# define SPLIT_USB_DETECT // Force this on for now
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#endif
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volatile bool isLeftHand = true;
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#if defined(SPLIT_USB_DETECT)
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# if defined(PROTOCOL_LUFA)
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static inline bool usbHasActiveConnection(void) { return USB_Device_IsAddressSet(); }
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static inline void usbDisable(void) {
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USB_Disable();
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USB_DeviceState = DEVICE_STATE_Unattached;
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}
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# elif defined(PROTOCOL_CHIBIOS)
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static inline bool usbHasActiveConnection(void) { return usbGetDriverStateI(&USBD1) == USB_ACTIVE; }
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static inline void usbDisable(void) { usbStop(&USBD1); }
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# elif defined(PROTOCOL_VUSB)
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static inline bool usbHasActiveConnection(void) {
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usbPoll();
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return usbConfiguration;
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}
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static inline void usbDisable(void) { usbDeviceDisconnect(); }
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# else
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static inline bool usbHasActiveConnection(void) { return true; }
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static inline void usbDisable(void) {}
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# endif
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bool usbIsActive(void) {
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for (uint8_t i = 0; i < (SPLIT_USB_TIMEOUT / SPLIT_USB_TIMEOUT_POLL); i++) {
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// This will return true if a USB connection has been established
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if (usbHasActiveConnection()) {
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return true;
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}
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wait_ms(SPLIT_USB_TIMEOUT_POLL);
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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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usbDisable();
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return false;
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}
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#elif defined(PROTOCOL_LUFA) && defined(OTGPADE)
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static inline bool usbIsActive(void) {
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USB_OTGPAD_On(); // enables VBUS pad
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wait_us(5);
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return USB_VBUS_GetStatus(); // checks state of VBUS
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}
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#else
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static inline bool usbIsActive(void) { return true; }
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#endif
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#ifdef SPLIT_HAND_MATRIX_GRID
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void matrix_io_delay(void);
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static uint8_t peek_matrix_intersection(pin_t out_pin, pin_t in_pin) {
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setPinInputHigh(in_pin);
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setPinOutput(out_pin);
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writePinLow(out_pin);
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// It's almost unnecessary, but wait until it's down to low, just in case.
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wait_us(1);
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uint8_t pin_state = readPin(in_pin);
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// Set out_pin to a setting that is less susceptible to noise.
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setPinInputHigh(out_pin);
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matrix_io_delay(); // Wait for the pull-up to go HIGH.
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return pin_state;
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}
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#endif
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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(SPLIT_HAND_MATRIX_GRID)
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# ifdef SPLIT_HAND_MATRIX_GRID_LOW_IS_RIGHT
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return peek_matrix_intersection(SPLIT_HAND_MATRIX_GRID);
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# else
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return !peek_matrix_intersection(SPLIT_HAND_MATRIX_GRID);
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# endif
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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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usbstate = usbIsActive() ? MASTER : SLAVE;
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}
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return (usbstate == MASTER);
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}
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// this code runs before the keyboard is fully initialized
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void split_pre_init(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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#if defined(USE_I2C) && defined(SSD1306OLED)
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matrix_master_OLED_init();
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#endif
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transport_master_init();
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}
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}
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// this code runs after the keyboard is fully initialized
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// - avoids race condition during matrix_init_quantum where slave can start
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// receiving before the init process has completed
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void split_post_init(void) {
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if (!is_keyboard_master()) {
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transport_slave_init();
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}
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}
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