1 #include <avr/interrupt.h>
2 #include <util/delay.h>
8 uint8_t usb_mouse_protocol=1;
11 int8_t usb_mouse_send(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons)
13 uint8_t intr_state, timeout;
15 if (!usb_configured()) return -1;
16 if (x == -128) x = -127;
17 if (y == -128) y = -127;
18 if (wheel_v == -128) wheel_v = -127;
19 if (wheel_h == -128) wheel_h = -127;
22 UENUM = MOUSE_ENDPOINT;
23 timeout = UDFNUML + 50;
25 // are we ready to transmit?
26 if (UEINTX & (1<<RWAL)) break;
28 // has the USB gone offline?
29 if (!usb_configured()) return -1;
30 // have we waited too long?
31 if (UDFNUML == timeout) return -1;
32 // get ready to try checking again
35 UENUM = MOUSE_ENDPOINT;
40 if (usb_mouse_protocol) {
50 void usb_mouse_print(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons) {
51 if (!debug_mouse) return;
52 print("usb_mouse[btn|x y v h]: ");
53 phex(buttons); print("|");
56 phex(wheel_v); print(" ");
57 phex(wheel_h); print("\n");