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- #include <avr/interrupt.h>
- #include <util/delay.h>
- #include "usb_mouse.h"
- #include "print.h"
- #include "debug.h"
-
-
- uint8_t usb_mouse_protocol=1;
-
-
- int8_t usb_mouse_send(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons)
- {
- uint8_t intr_state, timeout;
-
- if (!usb_configured()) return -1;
- if (x == -128) x = -127;
- if (y == -128) y = -127;
- if (wheel_v == -128) wheel_v = -127;
- if (wheel_h == -128) wheel_h = -127;
- intr_state = SREG;
- cli();
- UENUM = MOUSE_ENDPOINT;
- timeout = UDFNUML + 50;
- while (1) {
- // are we ready to transmit?
- if (UEINTX & (1<<RWAL)) break;
- SREG = intr_state;
- // has the USB gone offline?
- if (!usb_configured()) return -1;
- // have we waited too long?
- if (UDFNUML == timeout) return -1;
- // get ready to try checking again
- intr_state = SREG;
- cli();
- UENUM = MOUSE_ENDPOINT;
- }
- UEDATX = buttons;
- UEDATX = x;
- UEDATX = y;
- if (usb_mouse_protocol) {
- UEDATX = wheel_v;
- UEDATX = wheel_h;
- }
-
- UEINTX = 0x3A;
- SREG = intr_state;
- return 0;
- }
-
- void usb_mouse_print(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons) {
- if (!debug_mouse) return;
- print("usb_mouse[btn|x y v h]: ");
- phex(buttons); print("|");
- phex(x); print(" ");
- phex(y); print(" ");
- phex(wheel_v); print(" ");
- phex(wheel_h); print("\n");
- }
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