di0ib/tmk_keyboard_custom
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Merge branch 'ps2_mouse_fix'

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This commit is contained in:
tmk 2013-11-21 13:01:47 +09:00
commit 5e04455b08
15 changed files with 298 additions and 247 deletions
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11
common.mk
View File

@ -25,6 +25,7 @@ endif
ifdef MOUSEKEY_ENABLE
SRC += $(COMMON_DIR)/mousekey.c
OPT_DEFS += -DMOUSEKEY_ENABLE
OPT_DEFS += -DMOUSE_ENABLE
endif
ifdef EXTRAKEY_ENABLE
@ -47,16 +48,6 @@ ifdef NKRO_ENABLE
OPT_DEFS += -DNKRO_ENABLE
endif
ifdef PS2_MOUSE_ENABLE
SRC += $(COMMON_DIR)/ps2.c \
$(COMMON_DIR)/ps2_mouse.c
OPT_DEFS += -DPS2_MOUSE_ENABLE
endif
ifdef $(or MOUSEKEY_ENABLE, PS2_MOUSE_ENABLE)
OPT_DEFS += -DMOUSE_ENABLE
endif
ifdef SLEEP_LED_ENABLE
SRC += $(COMMON_DIR)/sleep_led.c
OPT_DEFS += -DSLEEP_LED_ENABLE

6
common/action.c
View File

@ -485,12 +485,6 @@ void clear_keyboard_but_mods(void)
#endif
}
bool sending_anykey(void)
{
return (has_anykey() || host_mouse_in_use() ||
host_last_sysytem_report() || host_last_consumer_report());
}
bool is_tap_key(key_t key)
{
action_t action = layer_switch_get_action(key);

1
common/action.h
View File

@ -64,7 +64,6 @@ void unregister_mods(uint8_t mods);
//void set_mods(uint8_t mods);
void clear_keyboard(void);
void clear_keyboard_but_mods(void);
bool sending_anykey(void);
void layer_switch(uint8_t new_layer);
bool is_tap_key(key_t key);

1
common/action_util.h
View File

@ -18,6 +18,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define ACTION_UTIL_H
#include <stdint.h>
#include "report.h"
extern report_keyboard_t *keyboard_report;

8
common/host.c
View File

@ -27,9 +27,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
bool keyboard_nkro = false;
#endif
report_mouse_t mouse_report = {};
static host_driver_t *driver;
static uint16_t last_system_report = 0;
static uint16_t last_consumer_report = 0;
@ -89,11 +86,6 @@ void host_consumer_send(uint16_t report)
(*driver->send_consumer)(report);
}
uint8_t host_mouse_in_use(void)
{
return (mouse_report.buttons | mouse_report.x | mouse_report.y | mouse_report.v | mouse_report.h);
}
uint16_t host_last_sysytem_report(void)
{
return last_system_report;

6
common/host.h
View File

@ -32,9 +32,6 @@ extern "C" {
extern bool keyboard_nkro;
#endif
/* report */
extern report_mouse_t mouse_report;
/* host driver */
void host_set_driver(host_driver_t *driver);
@ -47,9 +44,6 @@ void host_mouse_send(report_mouse_t *report);
void host_system_send(uint16_t data);
void host_consumer_send(uint16_t data);
/* mouse report utils */
uint8_t host_mouse_in_use(void);
uint16_t host_last_sysytem_report(void);
uint16_t host_last_consumer_report(void);

13
common/keyboard.c
View File

@ -30,8 +30,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "sendchar.h"
#include "bootmagic.h"
#include "eeconfig.h"
#include "mousekey.h"
#include "backlight.h"
#ifdef MOUSEKEY_ENABLE
# include "mousekey.h"
#endif
#ifdef PS2_MOUSE_ENABLE
# include "ps2_mouse.h"
#endif
#ifdef MATRIX_HAS_GHOST
@ -111,10 +116,16 @@ void keyboard_task(void)
action_exec(TICK);
MATRIX_LOOP_END:
#ifdef MOUSEKEY_ENABLE
// mousekey repeat & acceleration
mousekey_task();
#endif
#ifdef PS2_MOUSE_ENABLE
ps2_mouse_task();
#endif
// update LED
if (led_status != host_keyboard_leds()) {
led_status = host_keyboard_leds();

1
common/mousekey.c
View File

@ -26,6 +26,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
static report_mouse_t mouse_report = {};
static uint8_t mousekey_repeat = 0;
static uint8_t mousekey_accel = 0;

25
protocol.mk
View File

@ -1,2 +1,27 @@
PROTOCOL_DIR = protocol
ifdef PS2_MOUSE_ENABLE
SRC += $(PROTOCOL_DIR)/ps2_mouse.c
OPT_DEFS += -DPS2_MOUSE_ENABLE
OPT_DEFS += -DMOUSE_ENABLE
endif
ifdef PS2_USE_BUSYWAIT
SRC += protocol/ps2.c
OPT_DEFS += -DPS2_USE_BUSYWAIT
endif
ifdef PS2_USE_INT
SRC += protocol/ps2.c
OPT_DEFS += -DPS2_USE_INT
endif
ifdef PS2_USE_USART
SRC += protocol/ps2_usart.c
OPT_DEFS += -DPS2_USE_USART
endif
# Search Path
VPATH += $(TOP_DIR)/protocol

9
protocol/lufa/lufa.c
View File

@ -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

6
protocol/pjrc.mk
View File

@ -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

59
protocol/ps2.c
View File

@ -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()
{

305
protocol/ps2_mouse.c
View File

@ -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
*/

40
protocol/ps2_mouse.h
View File

@ -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

54
protocol/ps2_usart.c
View File

@ -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;
}