Merge branch 'ps2_mouse_fix'
This commit is contained in:
tmk
commit
772ab7025d
19 changed files with 410 additions and 288 deletions
|
|
@ -539,11 +539,18 @@ int main(void)
|
|||
{
|
||||
SetupHardware();
|
||||
sei();
|
||||
|
||||
/* wait for USB startup & debug output */
|
||||
while (USB_DeviceState != DEVICE_STATE_Configured) {
|
||||
#if defined(INTERRUPT_CONTROL_ENDPOINT)
|
||||
while (USB_DeviceState != DEVICE_STATE_Configured) ;
|
||||
;
|
||||
#else
|
||||
USB_USBTask();
|
||||
#endif
|
||||
}
|
||||
print("USB configured.\n");
|
||||
|
||||
/* init modules */
|
||||
keyboard_init();
|
||||
host_set_driver(&lufa_driver);
|
||||
#ifdef SLEEP_LED_ENABLE
|
||||
|
|
|
|||
|
|
@ -7,7 +7,11 @@ SRC += $(PJRC_DIR)/main.c \
|
|||
$(PJRC_DIR)/usb.c
|
||||
|
||||
# Option modules
|
||||
ifdef $(or MOUSEKEY_ENABLE, PS2_MOUSE_ENABLE)
|
||||
ifdef MOUSEKEY_ENABLE
|
||||
SRC += $(PJRC_DIR)/usb_mouse.c
|
||||
endif
|
||||
|
||||
ifdef PS2_MOUSE_ENABLE
|
||||
SRC += $(PJRC_DIR)/usb_mouse.c
|
||||
endif
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
Copyright 2010,2011 Jun WAKO <wakojun@gmail.com>
|
||||
Copyright 2010,2011,2012,2013 Jun WAKO <wakojun@gmail.com>
|
||||
|
||||
This software is licensed with a Modified BSD License.
|
||||
All of this is supposed to be Free Software, Open Source, DFSG-free,
|
||||
|
|
@ -43,7 +43,9 @@ POSSIBILITY OF SUCH DAMAGE.
|
|||
#include "debug.h"
|
||||
|
||||
|
||||
#ifndef PS2_USE_INT
|
||||
static uint8_t recv_data(void);
|
||||
#endif
|
||||
static inline void clock_lo(void);
|
||||
static inline void clock_hi(void);
|
||||
static inline bool clock_in(void);
|
||||
|
|
@ -109,12 +111,12 @@ uint8_t ps2_host_send(uint8_t data)
|
|||
#endif
|
||||
/* terminate a transmission if we have */
|
||||
inhibit();
|
||||
_delay_us(100);
|
||||
_delay_us(200); // at least 100us
|
||||
|
||||
/* start bit [1] */
|
||||
data_lo();
|
||||
clock_hi();
|
||||
WAIT(clock_lo, 15000, 1);
|
||||
WAIT(clock_lo, 20000, 10); // may take 15ms at most until device starts clocking
|
||||
/* data [2-9] */
|
||||
for (uint8_t i = 0; i < 8; i++) {
|
||||
_delay_us(15);
|
||||
|
|
@ -143,6 +145,9 @@ uint8_t ps2_host_send(uint8_t data)
|
|||
WAIT(clock_hi, 50, 8);
|
||||
WAIT(data_hi, 50, 9);
|
||||
|
||||
#ifdef PS2_USE_INT
|
||||
PS2_INT_ON();
|
||||
#endif
|
||||
res = ps2_host_recv_response();
|
||||
ERROR:
|
||||
#ifdef PS2_USE_INT
|
||||
|
|
@ -154,11 +159,15 @@ ERROR:
|
|||
return res;
|
||||
}
|
||||
|
||||
#ifndef PS2_USE_INT
|
||||
/* receive data when host want else inhibit communication */
|
||||
uint8_t ps2_host_recv_response(void)
|
||||
{
|
||||
uint8_t data = 0;
|
||||
|
||||
#ifdef PS2_USE_INT
|
||||
PS2_INT_OFF();
|
||||
#endif
|
||||
/* terminate a transmission if we have */
|
||||
inhibit();
|
||||
_delay_us(100);
|
||||
|
|
@ -167,12 +176,13 @@ uint8_t ps2_host_recv_response(void)
|
|||
idle();
|
||||
|
||||
/* wait start bit */
|
||||
wait_clock_lo(2000);
|
||||
wait_clock_lo(25000); // command response may take 20 ms at most
|
||||
data = recv_data();
|
||||
|
||||
inhibit();
|
||||
return data;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef PS2_USE_INT
|
||||
uint8_t ps2_host_recv(void)
|
||||
|
|
@ -187,9 +197,6 @@ static uint8_t pbuf_head = 0;
|
|||
static uint8_t pbuf_tail = 0;
|
||||
static inline void pbuf_enqueue(uint8_t data)
|
||||
{
|
||||
if (!data)
|
||||
return;
|
||||
|
||||
uint8_t sreg = SREG;
|
||||
cli();
|
||||
uint8_t next = (pbuf_head + 1) % PBUF_SIZE;
|
||||
|
|
@ -215,6 +222,21 @@ static inline uint8_t pbuf_dequeue(void)
|
|||
|
||||
return val;
|
||||
}
|
||||
static inline bool pbuf_has_data(void)
|
||||
{
|
||||
uint8_t sreg = SREG;
|
||||
cli();
|
||||
bool has_data = (pbuf_head != pbuf_tail);
|
||||
SREG = sreg;
|
||||
return has_data;
|
||||
}
|
||||
static inline void pbuf_clear(void)
|
||||
{
|
||||
uint8_t sreg = SREG;
|
||||
cli();
|
||||
pbuf_head = pbuf_tail = 0;
|
||||
SREG = sreg;
|
||||
}
|
||||
|
||||
/* get data received by interrupt */
|
||||
uint8_t ps2_host_recv(void)
|
||||
|
|
@ -229,13 +251,12 @@ uint8_t ps2_host_recv(void)
|
|||
return pbuf_dequeue();
|
||||
}
|
||||
|
||||
#if 0
|
||||
#define DEBUGP_INIT() do { DDRC = 0xFF; } while (0)
|
||||
#define DEBUGP(x) do { PORTC = x; } while (0)
|
||||
#else
|
||||
#define DEBUGP_INIT()
|
||||
#define DEBUGP(x)
|
||||
#endif
|
||||
uint8_t ps2_host_recv_response(void)
|
||||
{
|
||||
while (!pbuf_has_data()) ;
|
||||
return pbuf_dequeue();
|
||||
}
|
||||
|
||||
ISR(PS2_INT_VECT)
|
||||
{
|
||||
static enum {
|
||||
|
|
@ -256,7 +277,6 @@ ISR(PS2_INT_VECT)
|
|||
}
|
||||
|
||||
state++;
|
||||
DEBUGP(state);
|
||||
switch (state) {
|
||||
case START:
|
||||
if (data_in())
|
||||
|
|
@ -289,6 +309,7 @@ ISR(PS2_INT_VECT)
|
|||
if (!data_in())
|
||||
goto ERROR;
|
||||
pbuf_enqueue(data);
|
||||
//phex(data);
|
||||
goto DONE;
|
||||
break;
|
||||
default:
|
||||
|
|
@ -296,7 +317,6 @@ ISR(PS2_INT_VECT)
|
|||
}
|
||||
goto RETURN;
|
||||
ERROR:
|
||||
DEBUGP(0x0F);
|
||||
inhibit();
|
||||
ps2_error = state;
|
||||
DONE:
|
||||
|
|
@ -309,11 +329,6 @@ RETURN:
|
|||
#endif
|
||||
|
||||
|
||||
static void ps2_reset(void)
|
||||
{
|
||||
ps2_host_send(0xFF);
|
||||
}
|
||||
|
||||
/* send LED state to keyboard */
|
||||
void ps2_host_set_led(uint8_t led)
|
||||
{
|
||||
|
|
@ -322,6 +337,7 @@ void ps2_host_set_led(uint8_t led)
|
|||
}
|
||||
|
||||
|
||||
#ifndef PS2_USE_INT
|
||||
/* called after start bit comes */
|
||||
static uint8_t recv_data(void)
|
||||
{
|
||||
|
|
@ -361,6 +377,7 @@ static uint8_t recv_data(void)
|
|||
ERROR:
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
static inline void clock_lo()
|
||||
{
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
Copyright 2011 Jun Wako <wakojun@gmail.com>
|
||||
Copyright 2011,2013 Jun Wako <wakojun@gmail.com>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
|
|
@ -20,199 +20,196 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
#include<util/delay.h>
|
||||
#include "ps2.h"
|
||||
#include "ps2_mouse.h"
|
||||
#include "usb_mouse.h"
|
||||
|
||||
#define PS2_MOUSE_DEBUG
|
||||
#ifdef PS2_MOUSE_DEBUG
|
||||
# include "print.h"
|
||||
# include "debug.h"
|
||||
#else
|
||||
# define print(s)
|
||||
# define phex(h)
|
||||
# define phex16(h)
|
||||
#endif
|
||||
|
||||
// disable when errors occur 255 times.
|
||||
#define ERROR_RETURN() do { \
|
||||
if (ps2_error) { \
|
||||
if (ps2_mouse_error_count < 255) { \
|
||||
ps2_mouse_error_count++; \
|
||||
} else { \
|
||||
ps2_mouse_error_count = 0; \
|
||||
ps2_mouse_enable = false; \
|
||||
} \
|
||||
return ps2_error; \
|
||||
} \
|
||||
} while (0)
|
||||
#include "report.h"
|
||||
#include "host.h"
|
||||
#include "timer.h"
|
||||
#include "print.h"
|
||||
#include "debug.h"
|
||||
|
||||
|
||||
/*
|
||||
TODO
|
||||
----
|
||||
- Stream mode
|
||||
- Tracpoint command support: needed
|
||||
- Middle button + move = Wheel traslation
|
||||
*/
|
||||
bool ps2_mouse_enable = true;
|
||||
uint8_t ps2_mouse_x = 0;
|
||||
uint8_t ps2_mouse_y = 0;
|
||||
uint8_t ps2_mouse_btn = 0;
|
||||
uint8_t ps2_mouse_error_count = 0;
|
||||
|
||||
static uint8_t ps2_mouse_btn_prev = 0;
|
||||
static report_mouse_t mouse_report = {};
|
||||
|
||||
|
||||
static void print_usb_data(void);
|
||||
|
||||
|
||||
/* supports only 3 button mouse at this time */
|
||||
uint8_t ps2_mouse_init(void) {
|
||||
uint8_t rcv;
|
||||
|
||||
if (!ps2_mouse_enable) return 1;
|
||||
|
||||
ps2_host_init();
|
||||
|
||||
// Reset
|
||||
_delay_ms(1000); // wait for powering up
|
||||
|
||||
// send Reset
|
||||
rcv = ps2_host_send(0xFF);
|
||||
print("ps2_mouse_init: send 0xFF: ");
|
||||
phex(ps2_error); print("\n");
|
||||
ERROR_RETURN();
|
||||
|
||||
// ACK
|
||||
rcv = ps2_host_recv();
|
||||
print("ps2_mouse_init: read ACK: ");
|
||||
print("ps2_mouse_init: send Reset: ");
|
||||
phex(rcv); phex(ps2_error); print("\n");
|
||||
ERROR_RETURN();
|
||||
|
||||
// BAT takes some time
|
||||
_delay_ms(100);
|
||||
rcv = ps2_host_recv();
|
||||
// read completion code of BAT
|
||||
rcv = ps2_host_recv_response();
|
||||
print("ps2_mouse_init: read BAT: ");
|
||||
phex(rcv); phex(ps2_error); print("\n");
|
||||
ERROR_RETURN();
|
||||
|
||||
// Device ID
|
||||
rcv = ps2_host_recv();
|
||||
// read Device ID
|
||||
rcv = ps2_host_recv_response();
|
||||
print("ps2_mouse_init: read DevID: ");
|
||||
phex(rcv); phex(ps2_error); print("\n");
|
||||
ERROR_RETURN();
|
||||
|
||||
// Enable data reporting
|
||||
ps2_host_send(0xF4);
|
||||
print("ps2_mouse_init: send 0xF4: ");
|
||||
phex(ps2_error); print("\n");
|
||||
ERROR_RETURN();
|
||||
|
||||
// ACK
|
||||
rcv = ps2_host_recv();
|
||||
print("ps2_mouse_init: read ACK: ");
|
||||
phex(rcv); phex(ps2_error); print("\n");
|
||||
ERROR_RETURN();
|
||||
|
||||
// Set Remote mode
|
||||
ps2_host_send(0xF0);
|
||||
// send Set Remote mode
|
||||
rcv = ps2_host_send(0xF0);
|
||||
print("ps2_mouse_init: send 0xF0: ");
|
||||
phex(ps2_error); print("\n");
|
||||
ERROR_RETURN();
|
||||
|
||||
// ACK
|
||||
rcv = ps2_host_recv();
|
||||
print("ps2_mouse_init: read ACK: ");
|
||||
phex(rcv); phex(ps2_error); print("\n");
|
||||
ERROR_RETURN();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
Data format:
|
||||
bit: 7 6 5 4 3 2 1 0
|
||||
-----------------------------------------------------------------------
|
||||
0 btn: Yovflw Xovflw Ysign Xsign 1 Middle Right Left
|
||||
1 x: X movement(0-255)
|
||||
2 y: Y movement(0-255)
|
||||
*/
|
||||
uint8_t ps2_mouse_read(void)
|
||||
#define X_IS_NEG (mouse_report.buttons & (1<<PS2_MOUSE_X_SIGN))
|
||||
#define Y_IS_NEG (mouse_report.buttons & (1<<PS2_MOUSE_Y_SIGN))
|
||||
#define X_IS_OVF (mouse_report.buttons & (1<<PS2_MOUSE_X_OVFLW))
|
||||
#define Y_IS_OVF (mouse_report.buttons & (1<<PS2_MOUSE_Y_OVFLW))
|
||||
void ps2_mouse_task(void)
|
||||
{
|
||||
enum { SCROLL_NONE, SCROLL_BTN, SCROLL_SENT };
|
||||
static uint8_t scroll_state = SCROLL_NONE;
|
||||
static uint8_t buttons_prev = 0;
|
||||
|
||||
/* receives packet from mouse */
|
||||
uint8_t rcv;
|
||||
|
||||
if (!ps2_mouse_enable) return 1;
|
||||
|
||||
ps2_host_send(0xEB);
|
||||
ERROR_RETURN();
|
||||
|
||||
rcv=ps2_host_recv();
|
||||
ERROR_RETURN();
|
||||
|
||||
if(rcv==0xFA) {
|
||||
ps2_mouse_btn = ps2_host_recv();
|
||||
ERROR_RETURN();
|
||||
ps2_mouse_x = ps2_host_recv();
|
||||
ERROR_RETURN();
|
||||
ps2_mouse_y = ps2_host_recv();
|
||||
ERROR_RETURN();
|
||||
rcv = ps2_host_send(PS2_MOUSE_READ_DATA);
|
||||
if (rcv == PS2_ACK) {
|
||||
mouse_report.buttons = ps2_host_recv_response();
|
||||
mouse_report.x = ps2_host_recv_response();
|
||||
mouse_report.y = ps2_host_recv_response();
|
||||
} else {
|
||||
if (!debug_mouse) print("ps2_mouse: fail to get mouse packet\n");
|
||||
return;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool ps2_mouse_changed(void)
|
||||
{
|
||||
return (ps2_mouse_x || ps2_mouse_y || (ps2_mouse_btn & PS2_MOUSE_BTN_MASK) != ps2_mouse_btn_prev);
|
||||
}
|
||||
/* if mouse moves or buttons state changes */
|
||||
if (mouse_report.x || mouse_report.y ||
|
||||
((mouse_report.buttons ^ buttons_prev) & PS2_MOUSE_BTN_MASK)) {
|
||||
|
||||
#define PS2_MOUSE_SCROLL_BUTTON 0x04
|
||||
void ps2_mouse_usb_send(void)
|
||||
{
|
||||
static bool scrolled = false;
|
||||
#ifdef PS2_MOUSE_DEBUG
|
||||
print("ps2_mouse raw: [");
|
||||
phex(mouse_report.buttons); print("|");
|
||||
print_hex8((uint8_t)mouse_report.x); print(" ");
|
||||
print_hex8((uint8_t)mouse_report.y); print("]\n");
|
||||
#endif
|
||||
|
||||
if (!ps2_mouse_enable) return;
|
||||
buttons_prev = mouse_report.buttons;
|
||||
|
||||
if (ps2_mouse_changed()) {
|
||||
int8_t x, y, v, h;
|
||||
x = y = v = h = 0;
|
||||
// PS/2 mouse data is '9-bit integer'(-256 to 255) which is comprised of sign-bit and 8-bit value.
|
||||
// bit: 8 7 ... 0
|
||||
// sign \8-bit/
|
||||
//
|
||||
// Meanwhile USB HID mouse indicates 8bit data(-127 to 127), note that -128 is not used.
|
||||
//
|
||||
// This converts PS/2 data into HID value. Use only -127-127 out of PS/2 9-bit.
|
||||
mouse_report.x = X_IS_NEG ?
|
||||
((!X_IS_OVF && -127 <= mouse_report.x && mouse_report.x <= -1) ? mouse_report.x : -127) :
|
||||
((!X_IS_OVF && 0 <= mouse_report.x && mouse_report.x <= 127) ? mouse_report.x : 127);
|
||||
mouse_report.y = Y_IS_NEG ?
|
||||
((!Y_IS_OVF && -127 <= mouse_report.y && mouse_report.y <= -1) ? mouse_report.y : -127) :
|
||||
((!Y_IS_OVF && 0 <= mouse_report.y && mouse_report.y <= 127) ? mouse_report.y : 127);
|
||||
|
||||
// convert scale of X, Y: PS/2(-256/255) -> USB(-127/127)
|
||||
if (ps2_mouse_btn & (1<<PS2_MOUSE_X_SIGN))
|
||||
x = ps2_mouse_x > 128 ? (int8_t)ps2_mouse_x : -127;
|
||||
else
|
||||
x = ps2_mouse_x < 128 ? (int8_t)ps2_mouse_x : 127;
|
||||
// remove sign and overflow flags
|
||||
mouse_report.buttons &= PS2_MOUSE_BTN_MASK;
|
||||
|
||||
if (ps2_mouse_btn & (1<<PS2_MOUSE_Y_SIGN))
|
||||
y = ps2_mouse_y > 128 ? (int8_t)ps2_mouse_y : -127;
|
||||
else
|
||||
y = ps2_mouse_y < 128 ? (int8_t)ps2_mouse_y : 127;
|
||||
// invert coordinate of y to conform to USB HID mouse
|
||||
mouse_report.y = -mouse_report.y;
|
||||
|
||||
// Y is needed to reverse
|
||||
y = -y;
|
||||
|
||||
if (ps2_mouse_btn & PS2_MOUSE_SCROLL_BUTTON) {
|
||||
// scroll
|
||||
if (x > 0 || x < 0) h = (x > 64 ? 64 : (x < -64 ? -64 :x));
|
||||
if (y > 0 || y < 0) v = (y > 64 ? 64 : (y < -64 ? -64 :y));
|
||||
if (h || v) {
|
||||
scrolled = true;
|
||||
usb_mouse_send(0,0, -v/16, h/16, 0);
|
||||
_delay_ms(100);
|
||||
#if PS2_MOUSE_SCROLL_BTN_MASK
|
||||
static uint16_t scroll_button_time = 0;
|
||||
if ((mouse_report.buttons & (PS2_MOUSE_SCROLL_BTN_MASK)) == (PS2_MOUSE_SCROLL_BTN_MASK)) {
|
||||
if (scroll_state == SCROLL_NONE) {
|
||||
scroll_button_time = timer_read();
|
||||
scroll_state = SCROLL_BTN;
|
||||
}
|
||||
} else if (!scrolled && (ps2_mouse_btn_prev & PS2_MOUSE_SCROLL_BUTTON)) {
|
||||
usb_mouse_send(0,0,0,0, PS2_MOUSE_SCROLL_BUTTON);
|
||||
_delay_ms(100);
|
||||
usb_mouse_send(0,0,0,0, 0);
|
||||
} else {
|
||||
scrolled = false;
|
||||
usb_mouse_send(x, y, 0, 0, ps2_mouse_btn & PS2_MOUSE_BTN_MASK);
|
||||
}
|
||||
|
||||
ps2_mouse_btn_prev = (ps2_mouse_btn & PS2_MOUSE_BTN_MASK);
|
||||
ps2_mouse_print();
|
||||
// doesn't send Scroll Button
|
||||
//mouse_report.buttons &= ~(PS2_MOUSE_SCROLL_BTN_MASK);
|
||||
|
||||
if (mouse_report.x || mouse_report.y) {
|
||||
scroll_state = SCROLL_SENT;
|
||||
|
||||
mouse_report.v = -mouse_report.y/(PS2_MOUSE_SCROLL_DIVISOR_V);
|
||||
mouse_report.h = mouse_report.x/(PS2_MOUSE_SCROLL_DIVISOR_H);
|
||||
mouse_report.x = 0;
|
||||
mouse_report.y = 0;
|
||||
//host_mouse_send(&mouse_report);
|
||||
}
|
||||
}
|
||||
else if ((mouse_report.buttons & (PS2_MOUSE_SCROLL_BTN_MASK)) == 0) {
|
||||
#if PS2_MOUSE_SCROLL_BTN_SEND
|
||||
if (scroll_state == SCROLL_BTN &&
|
||||
TIMER_DIFF_16(timer_read(), scroll_button_time) < PS2_MOUSE_SCROLL_BTN_SEND) {
|
||||
// send Scroll Button(down and up at once) when not scrolled
|
||||
mouse_report.buttons |= (PS2_MOUSE_SCROLL_BTN_MASK);
|
||||
host_mouse_send(&mouse_report);
|
||||
_delay_ms(100);
|
||||
mouse_report.buttons &= ~(PS2_MOUSE_SCROLL_BTN_MASK);
|
||||
}
|
||||
#endif
|
||||
scroll_state = SCROLL_NONE;
|
||||
}
|
||||
// doesn't send Scroll Button
|
||||
mouse_report.buttons &= ~(PS2_MOUSE_SCROLL_BTN_MASK);
|
||||
#endif
|
||||
|
||||
|
||||
host_mouse_send(&mouse_report);
|
||||
print_usb_data();
|
||||
}
|
||||
ps2_mouse_x = 0;
|
||||
ps2_mouse_y = 0;
|
||||
ps2_mouse_btn = 0;
|
||||
// clear report
|
||||
mouse_report.x = 0;
|
||||
mouse_report.y = 0;
|
||||
mouse_report.v = 0;
|
||||
mouse_report.h = 0;
|
||||
mouse_report.buttons = 0;
|
||||
}
|
||||
|
||||
void ps2_mouse_print(void)
|
||||
static void print_usb_data(void)
|
||||
{
|
||||
if (!debug_mouse) return;
|
||||
print("ps2_mouse[btn|x y]: ");
|
||||
phex(ps2_mouse_btn); print("|");
|
||||
phex(ps2_mouse_x); print(" ");
|
||||
phex(ps2_mouse_y); print("\n");
|
||||
print("ps2_mouse usb: [");
|
||||
phex(mouse_report.buttons); print("|");
|
||||
print_hex8((uint8_t)mouse_report.x); print(" ");
|
||||
print_hex8((uint8_t)mouse_report.y); print(" ");
|
||||
print_hex8((uint8_t)mouse_report.v); print(" ");
|
||||
print_hex8((uint8_t)mouse_report.h); print("]\n");
|
||||
}
|
||||
|
||||
|
||||
/* PS/2 Mouse Synopsis
|
||||
* http://www.computer-engineering.org/ps2mouse/
|
||||
*
|
||||
* Command:
|
||||
* 0xFF: Reset
|
||||
* 0xF6: Set Defaults Sampling; rate=100, resolution=4cnt/mm, scaling=1:1, reporting=disabled
|
||||
* 0xF5: Disable Data Reporting
|
||||
* 0xF4: Enable Data Reporting
|
||||
* 0xF3: Set Sample Rate
|
||||
* 0xF2: Get Device ID
|
||||
* 0xF0: Set Remote Mode
|
||||
* 0xEB: Read Data
|
||||
* 0xEA: Set Stream Mode
|
||||
* 0xE9: Status Request
|
||||
* 0xE8: Set Resolution
|
||||
* 0xE7: Set Scaling 2:1
|
||||
* 0xE6: Set Scaling 1:1
|
||||
*
|
||||
* Mode:
|
||||
* Stream Mode: devices sends the data when it changs its state
|
||||
* Remote Mode: host polls the data periodically
|
||||
*
|
||||
* This code uses Remote Mode and polls the data with Read Data(0xEB).
|
||||
*
|
||||
* Data format:
|
||||
* byte|7 6 5 4 3 2 1 0
|
||||
* ----+--------------------------------------------------------------
|
||||
* 0|Yovflw Xovflw Ysign Xsign 1 Middle Right Left
|
||||
* 1| X movement
|
||||
* 2| Y movement
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -20,6 +20,16 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
|
||||
#include <stdbool.h>
|
||||
|
||||
#define PS2_MOUSE_READ_DATA 0xEB
|
||||
|
||||
/*
|
||||
* Data format:
|
||||
* byte|7 6 5 4 3 2 1 0
|
||||
* ----+--------------------------------------------------------------
|
||||
* 0|Yovflw Xovflw Ysign Xsign 1 Middle Right Left
|
||||
* 1| X movement(0-255)
|
||||
* 2| Y movement(0-255)
|
||||
*/
|
||||
#define PS2_MOUSE_BTN_MASK 0x07
|
||||
#define PS2_MOUSE_BTN_LEFT 0
|
||||
#define PS2_MOUSE_BTN_RIGHT 1
|
||||
|
|
@ -29,16 +39,28 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|||
#define PS2_MOUSE_X_OVFLW 6
|
||||
#define PS2_MOUSE_Y_OVFLW 7
|
||||
|
||||
bool ps2_mouse_enable;
|
||||
extern uint8_t ps2_mouse_x;
|
||||
extern uint8_t ps2_mouse_y;
|
||||
extern uint8_t ps2_mouse_btn;
|
||||
extern uint8_t ps2_mouse_error_count;
|
||||
|
||||
/*
|
||||
* Scroll by mouse move with pressing button
|
||||
*/
|
||||
/* mouse button to start scrolling; set 0 to disable scroll */
|
||||
#ifndef PS2_MOUSE_SCROLL_BTN_MASK
|
||||
#define PS2_MOUSE_SCROLL_BTN_MASK (1<<PS2_MOUSE_BTN_MIDDLE)
|
||||
#endif
|
||||
/* send button event when button is released within this value(ms); set 0 to disable */
|
||||
#ifndef PS2_MOUSE_SCROLL_BTN_SEND
|
||||
#define PS2_MOUSE_SCROLL_BTN_SEND 300
|
||||
#endif
|
||||
/* divide virtical and horizontal mouse move by this to convert to scroll move */
|
||||
#ifndef PS2_MOUSE_SCROLL_DIVISOR_V
|
||||
#define PS2_MOUSE_SCROLL_DIVISOR_V 2
|
||||
#endif
|
||||
#ifndef PS2_MOUSE_SCROLL_DIVISOR_H
|
||||
#define PS2_MOUSE_SCROLL_DIVISOR_H 2
|
||||
#endif
|
||||
|
||||
|
||||
uint8_t ps2_mouse_init(void);
|
||||
uint8_t ps2_mouse_read(void);
|
||||
bool ps2_mouse_changed(void);
|
||||
void ps2_mouse_usb_send(void);
|
||||
void ps2_mouse_print(void);
|
||||
void ps2_mouse_task(void);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
Copyright 2010,2011 Jun WAKO <wakojun@gmail.com>
|
||||
Copyright 2010,2011,2012,2013 Jun WAKO <wakojun@gmail.com>
|
||||
|
||||
This software is licensed with a Modified BSD License.
|
||||
All of this is supposed to be Free Software, Open Source, DFSG-free,
|
||||
|
|
@ -64,14 +64,6 @@ http://www.mcamafia.de/pdf/ibm_hitrc07.pdf
|
|||
#include "debug.h"
|
||||
|
||||
|
||||
#if 0
|
||||
#define DEBUGP_INIT() do { DDRC = 0xFF; } while (0)
|
||||
#define DEBUGP(x) do { PORTC = x; } while (0)
|
||||
#else
|
||||
#define DEBUGP_INIT()
|
||||
#define DEBUGP(x)
|
||||
#endif
|
||||
|
||||
#define WAIT(stat, us, err) do { \
|
||||
if (!wait_##stat(us)) { \
|
||||
ps2_error = err; \
|
||||
|
|
@ -97,12 +89,12 @@ static inline void idle(void);
|
|||
static inline void inhibit(void);
|
||||
static inline uint8_t pbuf_dequeue(void);
|
||||
static inline void pbuf_enqueue(uint8_t data);
|
||||
static inline bool pbuf_has_data(void);
|
||||
static inline void pbuf_clear(void);
|
||||
|
||||
|
||||
void ps2_host_init(void)
|
||||
{
|
||||
DEBUGP_INIT();
|
||||
DEBUGP(0x1);
|
||||
idle();
|
||||
PS2_USART_INIT();
|
||||
PS2_USART_RX_INT_ON();
|
||||
|
|
@ -114,7 +106,6 @@ uint8_t ps2_host_send(uint8_t data)
|
|||
bool parity = true;
|
||||
ps2_error = PS2_ERR_NONE;
|
||||
|
||||
DEBUGP(0x6);
|
||||
PS2_USART_OFF();
|
||||
|
||||
/* terminate a transmission if we have */
|
||||
|
|
@ -153,6 +144,8 @@ uint8_t ps2_host_send(uint8_t data)
|
|||
WAIT(clock_hi, 50, 8);
|
||||
WAIT(data_hi, 50, 9);
|
||||
|
||||
PS2_USART_INIT();
|
||||
PS2_USART_RX_INT_ON();
|
||||
res = ps2_host_recv_response();
|
||||
ERROR:
|
||||
idle();
|
||||
|
|
@ -164,15 +157,10 @@ ERROR:
|
|||
// Do polling data from keyboard to get response to last command.
|
||||
uint8_t ps2_host_recv_response(void)
|
||||
{
|
||||
uint8_t data = 0;
|
||||
PS2_USART_INIT();
|
||||
PS2_USART_RX_POLL_ON();
|
||||
while (!PS2_USART_RX_READY)
|
||||
;
|
||||
data = PS2_USART_RX_DATA;
|
||||
PS2_USART_OFF();
|
||||
DEBUGP(0x9);
|
||||
return data;
|
||||
while (!pbuf_has_data()) {
|
||||
_delay_ms(1); // without this delay it seems to fall into deadlock
|
||||
}
|
||||
return pbuf_dequeue();
|
||||
}
|
||||
|
||||
uint8_t ps2_host_recv(void)
|
||||
|
|
@ -182,15 +170,11 @@ uint8_t ps2_host_recv(void)
|
|||
|
||||
ISR(PS2_USART_RX_VECT)
|
||||
{
|
||||
DEBUGP(0x7);
|
||||
uint8_t error = PS2_USART_ERROR;
|
||||
uint8_t data = PS2_USART_RX_DATA;
|
||||
if (error) {
|
||||
DEBUGP(error>>2);
|
||||
} else {
|
||||
if (!error) {
|
||||
pbuf_enqueue(data);
|
||||
}
|
||||
DEBUGP(0x8);
|
||||
}
|
||||
|
||||
/* send LED state to keyboard */
|
||||
|
|
@ -293,9 +277,6 @@ static uint8_t pbuf_head = 0;
|
|||
static uint8_t pbuf_tail = 0;
|
||||
static inline void pbuf_enqueue(uint8_t data)
|
||||
{
|
||||
if (!data)
|
||||
return;
|
||||
|
||||
uint8_t sreg = SREG;
|
||||
cli();
|
||||
uint8_t next = (pbuf_head + 1) % PBUF_SIZE;
|
||||
|
|
@ -322,3 +303,18 @@ static inline uint8_t pbuf_dequeue(void)
|
|||
|
||||
return val;
|
||||
}
|
||||
static inline bool pbuf_has_data(void)
|
||||
{
|
||||
uint8_t sreg = SREG;
|
||||
cli();
|
||||
bool has_data = (pbuf_head != pbuf_tail);
|
||||
SREG = sreg;
|
||||
return has_data;
|
||||
}
|
||||
static inline void pbuf_clear(void)
|
||||
{
|
||||
uint8_t sreg = SREG;
|
||||
cli();
|
||||
pbuf_head = pbuf_tail = 0;
|
||||
SREG = sreg;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue