* 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.ledmap
/* | |||||
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 |
/* | |||||
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); | |||||
} |
/* | |||||
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); | |||||
} |