A protocol/serial_mouse.h => protocol/serial_mouse.h +26 -0
@@ 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
A protocol/serial_mouse_microsoft.c => protocol/serial_mouse_microsoft.c +125 -0
@@ 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);
+}
A protocol/serial_mouse_mousesystems.c => protocol/serial_mouse_mousesystems.c +140 -0
@@ 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);
+}