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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.
This commit is contained in:
Robin Haberkorn 2014-07-27 16:23:23 +02:00
parent 79840c678e
commit 6bf8000e63
3 changed files with 291 additions and 0 deletions
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26
protocol/serial_mouse.h Normal file
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/*
Copyright 2011 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
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
protocol/serial_mouse_microsoft.c Normal file
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/*
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
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
protocol/serial_mouse_mousesystems.c Normal file
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/*
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
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);
}