* 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.core
@@ -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 |
@@ -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); | |||
} |
@@ -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); | |||
} |