tmk
15 years ago
parent
e7c6839d2d
commit
d3b1af9572
@ -1,10 +1,8 @@ |
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#ifndef USB_DEVICE_H |
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#define USB_DEVICE_H 1 |
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#ifndef USB_H |
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#define USB_H 1 |
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#include <stdint.h> |
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#include <avr/io.h> |
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#include "usb_keyboard.h" |
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#include "usb_debug.h" |
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void usb_init(void); // initialize everything
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@ -0,0 +1,62 @@ |
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#include <avr/interrupt.h> |
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#include <util/delay.h> |
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#include "usb_mouse.h" |
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// which buttons are currently pressed
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uint8_t mouse_buttons=0; |
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// protocol setting from the host. We use exactly the same report
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// either way, so this variable only stores the setting since we
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// are required to be able to report which setting is in use.
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uint8_t mouse_protocol=1; |
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// Set the mouse buttons. To create a "click", 2 calls are needed,
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// one to push the button down and the second to release it
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int8_t usb_mouse_buttons(uint8_t left, uint8_t middle, uint8_t right) |
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{ |
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uint8_t mask=0; |
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if (left) mask |= 1; |
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if (middle) mask |= 4; |
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if (right) mask |= 2; |
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mouse_buttons = mask; |
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return usb_mouse_move(0, 0, 0); |
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} |
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// Move the mouse. x, y and wheel are -127 to 127. Use 0 for no movement.
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int8_t usb_mouse_move(int8_t x, int8_t y, int8_t wheel) |
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{ |
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uint8_t intr_state, timeout; |
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if (!usb_configured()) return -1; |
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if (x == -128) x = -127; |
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if (y == -128) y = -127; |
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if (wheel == -128) wheel = -127; |
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intr_state = SREG; |
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cli(); |
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UENUM = MOUSE_ENDPOINT; |
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timeout = UDFNUML + 50; |
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while (1) { |
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// are we ready to transmit?
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if (UEINTX & (1<<RWAL)) break; |
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SREG = intr_state; |
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// has the USB gone offline?
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if (!usb_configured()) return -1; |
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// have we waited too long?
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if (UDFNUML == timeout) return -1; |
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// get ready to try checking again
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intr_state = SREG; |
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cli(); |
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UENUM = MOUSE_ENDPOINT; |
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} |
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UEDATX = mouse_buttons; |
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UEDATX = x; |
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UEDATX = y; |
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UEDATX = wheel; |
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UEINTX = 0x3A; |
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SREG = intr_state; |
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return 0; |
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} |
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@ -0,0 +1,20 @@ |
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#ifndef USB_MOUSE_H |
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#define USB_MOUSE_H 1 |
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#include <stdint.h> |
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#include "usb.h" |
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#define MOUSE_INTERFACE 1 |
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#define MOUSE_ENDPOINT 2 |
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#define MOUSE_SIZE 8 |
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#define MOUSE_BUFFER EP_DOUBLE_BUFFER |
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extern uint8_t mouse_buttons; |
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extern uint8_t mouse_protocol; |
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int8_t usb_mouse_buttons(uint8_t left, uint8_t middle, uint8_t right); |
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int8_t usb_mouse_move(int8_t x, int8_t y, int8_t wheel); |
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#endif |
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