~ruther/qmk_firmware

772ab7025ddf88126d9d6ddb654f62434985504b — tmk 11 years ago 8215782 + a9c3f47
Merge branch 'ps2_mouse_fix'
M common.mk => common.mk +1 -10
@@ 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

M common/action.c => common/action.c +0 -6
@@ 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);

M common/action.h => common/action.h +0 -1
@@ 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);


M common/action_util.h => common/action_util.h +1 -0
@@ 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;


M common/host.c => common/host.c +0 -8
@@ 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;

M common/host.h => common/host.h +0 -6
@@ 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);


M common/keyboard.c => common/keyboard.c +12 -1
@@ 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();

M common/mousekey.c => common/mousekey.c +1 -0
@@ 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;


M keyboard/onekey/Makefile.lufa => keyboard/onekey/Makefile.lufa +12 -21
@@ 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

M keyboard/onekey/Makefile.pjrc => keyboard/onekey/Makefile.pjrc +13 -20
@@ 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

M keyboard/onekey/config.h => keyboard/onekey/config.h +86 -0
@@ 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

M keyboard/onekey/matrix.c => keyboard/onekey/matrix.c +1 -0
@@ 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();

M protocol.mk => protocol.mk +25 -0
@@ 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

M protocol/lufa/lufa.c => protocol/lufa/lufa.c +8 -1
@@ 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

M protocol/pjrc.mk => protocol/pjrc.mk +5 -1
@@ 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


M protocol/ps2.c => protocol/ps2.c +38 -21
@@ 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()
{

M protocol/ps2_mouse.c => protocol/ps2_mouse.c +150 -153
@@ 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"
#include "report.h"
#include "host.h"
#include "timer.h"
#include "print.h"
#include "debug.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)
static report_mouse_t mouse_report = {};


/*
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 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
    rcv = ps2_host_send(0xFF);
    print("ps2_mouse_init: send 0xFF: ");
    phex(ps2_error); print("\n");
    ERROR_RETURN();
    _delay_ms(1000);    // wait for powering up

    // ACK
    rcv = ps2_host_recv();
    print("ps2_mouse_init: read ACK: ");
    // send Reset
    rcv = ps2_host_send(0xFF);
    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;
    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;
    }

    if (!ps2_mouse_enable) return 1;
    /* if mouse moves or buttons state changes */
    if (mouse_report.x || mouse_report.y ||
            ((mouse_report.buttons ^ buttons_prev) & PS2_MOUSE_BTN_MASK)) {

    ps2_host_send(0xEB);
    ERROR_RETURN();
#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

    rcv=ps2_host_recv();
    ERROR_RETURN();
        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;
            }

    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;
}
            // doesn't send Scroll Button
            //mouse_report.buttons &= ~(PS2_MOUSE_SCROLL_BTN_MASK);

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_report.x || mouse_report.y) {
                scroll_state = SCROLL_SENT;

#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);
                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);
            }
        } 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);
#endif
            scroll_state = SCROLL_NONE;
        }
        // doesn't send Scroll Button
        mouse_report.buttons &= ~(PS2_MOUSE_SCROLL_BTN_MASK);
#endif


        ps2_mouse_btn_prev = (ps2_mouse_btn & PS2_MOUSE_BTN_MASK);
        ps2_mouse_print();
        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
 */

M protocol/ps2_mouse.h => protocol/ps2_mouse.h +31 -9
@@ 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

M protocol/ps2_usart.c => protocol/ps2_usart.c +25 -29
@@ 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;
}