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added serial mouse driver for Microsoft and Mousesystems mice 

 * Both drivers use the interface defined in serial_mouse.h
 * They should work with any UART implementation (hardware/software UART)
 * The Microsoft driver is currently untested.
   The Mousesystems driver is confirmed to work.
tags/v1.9
Robin Haberkorn 9 years ago
parent
79840c678e
commit
6bf8000e63
3 changed files with 291 additions and 0 deletions
Split View Show Diff Stats
  1. 26
    0
      protocol/serial_mouse.h
  2. 125
    0
      protocol/serial_mouse_microsoft.c
  3. 140
    0
      protocol/serial_mouse_mousesystems.c

+ 26
- 0
protocol/serial_mouse.h View File

@@ -0,0 +1,26 @@
/*
Copyright 2011 Jun Wako <[email protected]>

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
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef SERIAL_MOUSE_H
#define SERIAL_MOUSE_H

#include <stdint.h>

uint8_t serial_mouse_init(void);
void serial_mouse_task(void);

#endif

+ 125
- 0
protocol/serial_mouse_microsoft.c View File

@@ -0,0 +1,125 @@
/*
Copyright 2011,2013 Jun Wako <[email protected]>

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
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#include <stdint.h>
#include <avr/io.h>
#include <util/delay.h>

#include "serial.h"
#include "serial_mouse.h"
#include "report.h"
#include "host.h"
#include "timer.h"
#include "print.h"
#include "debug.h"

static void print_usb_data(const report_mouse_t *report);

uint8_t serial_mouse_init(void)
{
serial_init();
return 0;
}

void serial_mouse_task(void)
{
/* 3 byte ring buffer */
static uint8_t buffer[3];
static int buffer_cur = 0;

static report_mouse_t report = {};

int16_t rcv;

rcv = serial_recv2();
if (rcv < 0)
/* no new data */
return;

if (debug_mouse)
xprintf("serial_mouse: byte: %04X\n", rcv);

/*
* If bit 6 is one, this signals the beginning
* of a 3 byte sequence/packet.
*/
if (rcv & (1 << 6))
buffer_cur = 0;

buffer[buffer_cur] = (uint8_t)rcv;

if (buffer_cur == 0 && buffer[buffer_cur] == 0x20) {
/*
* Logitech extension: This must be a follow-up on
* the last 3-byte packet signaling a middle button click
*/
report.buttons |= MOUSE_BTN3;
report.x = report.y = 0;

print_usb_data(&report);
host_mouse_send(&report);
return;
}

buffer_cur++;

if (buffer_cur < 3)
return;
buffer_cur = 0;

/*
* parse 3 byte packet.
* NOTE: We only get a complete packet
* if the mouse moved or the button states
* change.
*/
report.buttons = 0;
if (buffer[0] & (1 << 5))
report.buttons |= MOUSE_BTN1;
if (buffer[0] & (1 << 4))
report.buttons |= MOUSE_BTN2;

report.x = (buffer[0] << 6) | buffer[1];
report.y = ((buffer[0] << 4) & 0xC0) | buffer[2];

/* USB HID uses values from -127 to 127 only */
report.x = report.x < -127 ? -127 : report.x;
report.y = report.y < -127 ? -127 : report.y;

#if 0
if (!report.buttons && !report.x && !report.y) {
/*
* Microsoft extension: Middle mouse button pressed
* FIXME: I don't know how exactly this extension works.
*/
report.buttons |= MOUSE_BTN3;
}
#endif

print_usb_data(&report);
host_mouse_send(&report);
}

static void print_usb_data(const report_mouse_t *report)
{
if (!debug_mouse)
return;

xprintf("serial_mouse usb: [%02X|%d %d %d %d]\n",
report->buttons, report->x, report->y,
report->v, report->h);
}

+ 140
- 0
protocol/serial_mouse_mousesystems.c View File

@@ -0,0 +1,140 @@
/*
Copyright 2011,2013 Jun Wako <[email protected]>

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
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#include <stdint.h>
#include <avr/io.h>
#include <util/delay.h>

#include "serial.h"
#include "serial_mouse.h"
#include "report.h"
#include "host.h"
#include "timer.h"
#include "print.h"
#include "debug.h"

#define SERIAL_MOUSE_CENTER_SCROLL

static void print_usb_data(const report_mouse_t *report);

uint8_t serial_mouse_init(void)
{
serial_init();
return 0;
}

void serial_mouse_task(void)
{
/* 5 byte ring buffer */
static uint8_t buffer[5];
static int buffer_cur = 0;

int16_t rcv;

report_mouse_t report = {0, 0, 0, 0, 0};

rcv = serial_recv2();
if (rcv < 0)
/* no new data */
return;

if (debug_mouse)
xprintf("serial_mouse: byte: %04X\n", rcv);

/*
* Synchronization: mouse(4) says that all
* bytes but the first one in the packet have
* bit 7 == 0, but this is untrue.
* Therefore we discard all bytes up to the
* first one with the characteristic bit pattern.
*/
if (buffer_cur == 0 && (rcv >> 3) != 0x10)
return;

buffer[buffer_cur++] = (uint8_t)rcv;

if (buffer_cur < 5)
return;
buffer_cur = 0;

#ifdef SERIAL_MOUSE_CENTER_SCROLL
if ((buffer[0] & 0x7) == 0x5 && (buffer[1] || buffer[2])) {
report.h = (int8_t)buffer[1];
/* USB HID uses only values from -127 to 127 */
report.h = report.h < -127 ? -127 : report.h;
report.v = (int8_t)buffer[2];
report.v = report.v < -127 ? -127 : report.v;

print_usb_data(&report);
host_mouse_send(&report);

if (buffer[3] || buffer[4]) {
report.h = (int8_t)buffer[3];
report.h = report.h < -127 ? -127 : report.h;
report.v = (int8_t)buffer[4];
report.v = report.v < -127 ? -127 : report.v;

print_usb_data(&report);
host_mouse_send(&report);
}

return;
}
#endif

/*
* parse 5 byte packet.
* NOTE: We only get a complete packet
* if the mouse moved or the button states
* change.
*/
if (!(buffer[0] & (1 << 2)))
report.buttons |= MOUSE_BTN1;
if (!(buffer[0] & (1 << 1)))
report.buttons |= MOUSE_BTN3;
if (!(buffer[0] & (1 << 0)))
report.buttons |= MOUSE_BTN2;

report.x = (int8_t)buffer[1];
/* USB HID uses only values from -127 to 127 */
report.x = report.x < -127 ? -127 : report.x;
report.y = -(int8_t)buffer[2];
report.y = report.y < -127 ? -127 : report.y;

print_usb_data(&report);
host_mouse_send(&report);

if (buffer[3] || buffer[4]) {
report.x = (int8_t)buffer[3];
report.x = report.x < -127 ? -127 : report.x;
report.y = -(int8_t)buffer[4];
report.y = report.y < -127 ? -127 : report.y;

print_usb_data(&report);
host_mouse_send(&report);
}
}

static void print_usb_data(const report_mouse_t *report)
{
if (!debug_mouse)
return;

xprintf("serial_mouse usb: [%02X|%d %d %d %d]\n",
report->buttons, report->x, report->y,
report->v, report->h);
}

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