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Merge branch 'ps2_mouse_fix'

This commit is contained in:
tmk 2013-11-21 13:01:47 +09:00
parent 821578293c a9c3f4750b
commit 772ab7025d
19 changed files with 410 additions and 288 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;

33
keyboard/onekey/Makefile.lufa
View File

@ -93,7 +93,7 @@ ARCH = AVR8
F_USB = $(F_CPU)
# Interrupt driven control endpoint task(+60)
#OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
# Boot Section Size in *bytes*
@ -108,34 +108,25 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
# Build Options
# comment out to disable the options.
#
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
#BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
#MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
#EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = yes # Console for debug(+400)
COMMAND_ENABLE = yes # Commands for debug and configuration
SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
#COMMAND_ENABLE = yes # Commands for debug and configuration
#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
#NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA
PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
PS2_USE_BUSYWAIT = yes # uses primitive reference code
#PS2_USE_INT = yes # uses external interrupt for falling edge of PS/2 clock pin
#PS2_USE_USART = yes # uses hardware USART engine for PS/2 signal receive(recomened)
# Optimize size but this may cause error "relocation truncated to fit"
#EXTRALDFLAGS = -Wl,--relax
# Search Path
VPATH += $(TARGET_DIR)
VPATH += $(TOP_DIR)
include $(TOP_DIR)/protocol/lufa.mk
include $(TOP_DIR)/common.mk
include $(TOP_DIR)/protocol.mk
include $(TOP_DIR)/protocol/lufa.mk
include $(TOP_DIR)/rules.mk
plain: OPT_DEFS += -DKEYMAP_PLAIN
plain: all
poker: OPT_DEFS += -DKEYMAP_POKER
poker: all
poker_set: OPT_DEFS += -DKEYMAP_POKER_SET
poker_set: all
poker_bit: OPT_DEFS += -DKEYMAP_POKER_BIT
poker_bit: all

33
keyboard/onekey/Makefile.pjrc
View File

@ -79,32 +79,25 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
# Build Options
# comment out to disable the options.
#
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = yes # Mouse keys(+5000)
EXTRAKEY_ENABLE = yes # Audio control and System control(+600)
#BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
#MOUSEKEY_ENABLE = yes # Mouse keys(+5000)
#EXTRAKEY_ENABLE = yes # Audio control and System control(+600)
CONSOLE_ENABLE = yes # Console for debug
COMMAND_ENABLE = yes # Commands for debug and configuration
SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
NKRO_ENABLE = yes # USB Nkey Rollover(+500)
#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
#COMMAND_ENABLE = yes # Commands for debug and configuration
#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
#NKRO_ENABLE = yes # USB Nkey Rollover(+500)
PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
PS2_USE_BUSYWAIT = yes # uses primitive reference code
#PS2_USE_INT = yes # uses external interrupt for falling edge of PS/2 clock pin
#PS2_USE_USART = yes # uses hardware USART engine for PS/2 signal receive(recomened)
# Search Path
VPATH += $(TARGET_DIR)
VPATH += $(TOP_DIR)
include $(TOP_DIR)/protocol/pjrc.mk
include $(TOP_DIR)/common.mk
include $(TOP_DIR)/protocol.mk
include $(TOP_DIR)/protocol/pjrc.mk
include $(TOP_DIR)/rules.mk
plain: OPT_DEFS += -DKEYMAP_PLAIN
plain: all
poker: OPT_DEFS += -DKEYMAP_POKER
poker: all
poker_set: OPT_DEFS += -DKEYMAP_POKER_SET
poker_set: all
poker_bit: OPT_DEFS += -DKEYMAP_POKER_BIT
poker_bit: all

86
keyboard/onekey/config.h
View File

@ -67,4 +67,90 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
//#define NO_ACTION_MACRO
//#define NO_ACTION_FUNCTION
/* PS/2 mouse */
#ifdef PS2_USE_BUSYWAIT
# define PS2_CLOCK_PORT PORTD
# define PS2_CLOCK_PIN PIND
# define PS2_CLOCK_DDR DDRD
# define PS2_CLOCK_BIT 5
# define PS2_DATA_PORT PORTD
# define PS2_DATA_PIN PIND
# define PS2_DATA_DDR DDRD
# define PS2_DATA_BIT 2
#endif
/* PS/2 mouse interrupt version */
#ifdef PS2_USE_INT
/* uses INT1 for clock line(ATMega32U4) */
#define PS2_CLOCK_PORT PORTD
#define PS2_CLOCK_PIN PIND
#define PS2_CLOCK_DDR DDRD
#define PS2_CLOCK_BIT 5
#define PS2_DATA_PORT PORTD
#define PS2_DATA_PIN PIND
#define PS2_DATA_DDR DDRD
#define PS2_DATA_BIT 2
#define PS2_INT_INIT() do { \
EICRA |= ((1<<ISC11) | \
(0<<ISC10)); \
} while (0)
#define PS2_INT_ON() do { \
EIMSK |= (1<<INT1); \
} while (0)
#define PS2_INT_OFF() do { \
EIMSK &= ~(1<<INT1); \
} while (0)
#define PS2_INT_VECT INT1_vect
#endif
/* PS/2 mouse USART version */
#ifdef PS2_USE_USART
#if defined(__AVR_ATmega16U4__) || defined(__AVR_ATmega32U4__)
/* XCK for clock line and RXD for data line */
#define PS2_CLOCK_PORT PORTD
#define PS2_CLOCK_PIN PIND
#define PS2_CLOCK_DDR DDRD
#define PS2_CLOCK_BIT 5
#define PS2_DATA_PORT PORTD
#define PS2_DATA_PIN PIND
#define PS2_DATA_DDR DDRD
#define PS2_DATA_BIT 2
/* synchronous, odd parity, 1-bit stop, 8-bit data, sample at falling edge */
/* set DDR of CLOCK as input to be slave */
#define PS2_USART_INIT() do { \
PS2_CLOCK_DDR &= ~(1<<PS2_CLOCK_BIT); \
PS2_DATA_DDR &= ~(1<<PS2_DATA_BIT); \
UCSR1C = ((1 << UMSEL10) | \
(3 << UPM10) | \
(0 << USBS1) | \
(3 << UCSZ10) | \
(0 << UCPOL1)); \
UCSR1A = 0; \
UBRR1H = 0; \
UBRR1L = 0; \
} while (0)
#define PS2_USART_RX_INT_ON() do { \
UCSR1B = ((1 << RXCIE1) | \
(1 << RXEN1)); \
} while (0)
#define PS2_USART_RX_POLL_ON() do { \
UCSR1B = (1 << RXEN1); \
} while (0)
#define PS2_USART_OFF() do { \
UCSR1C = 0; \
UCSR1B &= ~((1 << RXEN1) | \
(1 << TXEN1)); \
} while (0)
#define PS2_USART_RX_READY (UCSR1A & (1<<RXC1))
#define PS2_USART_RX_DATA UDR1
#define PS2_USART_ERROR (UCSR1A & ((1<<FE1) | (1<<DOR1) | (1<<UPE1)))
#define PS2_USART_RX_VECT USART1_RX_vect
#endif
#endif
#endif

1
keyboard/onekey/matrix.c
View File

@ -59,6 +59,7 @@ void matrix_init(void)
{
debug_enable = true;
debug_matrix = true;
debug_mouse = true;
// initialize row and col
unselect_rows();
init_cols();

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()
{

321
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();
}
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);
}
#define PS2_MOUSE_SCROLL_BUTTON 0x04
void ps2_mouse_usb_send(void)
{
static bool scrolled = false;
if (!ps2_mouse_enable) return;
if (ps2_mouse_changed()) {
int8_t x, y, v, h;
x = y = v = h = 0;
// 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;
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;
// 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);
}
} 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);
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 {
scrolled = false;
usb_mouse_send(x, y, 0, 0, ps2_mouse_btn & PS2_MOUSE_BTN_MASK);
if (!debug_mouse) print("ps2_mouse: fail to get mouse packet\n");
return;
}
ps2_mouse_btn_prev = (ps2_mouse_btn & PS2_MOUSE_BTN_MASK);
ps2_mouse_print();
/* if mouse moves or buttons state changes */
if (mouse_report.x || mouse_report.y ||
((mouse_report.buttons ^ buttons_prev) & PS2_MOUSE_BTN_MASK)) {
#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
buttons_prev = mouse_report.buttons;
// 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);
// remove sign and overflow flags
mouse_report.buttons &= PS2_MOUSE_BTN_MASK;
// invert coordinate of y to conform to USB HID mouse
mouse_report.y = -mouse_report.y;
#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;
}
ps2_mouse_x = 0;
ps2_mouse_y = 0;
ps2_mouse_btn = 0;
// 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();
}
// 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;
}