diff options
| -rw-r--r-- | protocol/serial_mouse.h | 26 | ||||
| -rw-r--r-- | protocol/serial_mouse_microsoft.c | 125 | ||||
| -rw-r--r-- | protocol/serial_mouse_mousesystems.c | 140 |
3 files changed, 291 insertions, 0 deletions
diff --git a/protocol/serial_mouse.h b/protocol/serial_mouse.h new file mode 100644 index 0000000000..c3c19d7696 --- /dev/null +++ b/protocol/serial_mouse.h @@ -0,0 +1,26 @@ +/* +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 diff --git a/protocol/serial_mouse_microsoft.c b/protocol/serial_mouse_microsoft.c new file mode 100644 index 0000000000..6b3f80648b --- /dev/null +++ b/protocol/serial_mouse_microsoft.c @@ -0,0 +1,125 @@ +/* +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); +} diff --git a/protocol/serial_mouse_mousesystems.c b/protocol/serial_mouse_mousesystems.c new file mode 100644 index 0000000000..ec708c911f --- /dev/null +++ b/protocol/serial_mouse_mousesystems.c @@ -0,0 +1,140 @@ +/* +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); +} |