1
0
This repo is archived. You can view files and clone it, but cannot push or open issues or pull requests.
tmk_keyboard_custom/usb_mouse.c

59 lines
1.3 KiB
C
Raw Normal View History

2010-09-30 05:17:01 +00:00
#include <avr/interrupt.h>
#include <util/delay.h>
#include "usb_mouse.h"
2010-10-23 16:17:26 +00:00
#include "print.h"
#include "debug.h"
2010-09-30 05:17:01 +00:00
uint8_t usb_mouse_protocol=1;
2010-10-23 16:17:26 +00:00
2010-09-30 05:17:01 +00:00
int8_t usb_mouse_send(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons)
2010-09-30 05:17:01 +00:00
{
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;
2010-09-30 05:17:01 +00:00
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;
2010-09-30 05:17:01 +00:00
UEDATX = x;
UEDATX = y;
if (usb_mouse_protocol) {
UEDATX = wheel_v;
UEDATX = wheel_h;
}
2010-10-13 13:45:22 +00:00
2010-09-30 05:17:01 +00:00
UEINTX = 0x3A;
SREG = intr_state;
return 0;
}
2010-10-23 16:17:26 +00:00
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(" ");
2010-10-23 16:17:26 +00:00
phex(wheel_v); print(" ");
phex(wheel_h); print("\n");
}