diff options
Diffstat (limited to 'protocol')
-rw-r--r-- | protocol/serial_mouse.h | 33 | ||||
-rw-r--r-- | protocol/serial_mouse_microsoft.c | 124 | ||||
-rw-r--r-- | protocol/serial_mouse_mousesystems.c | 131 | ||||
-rw-r--r-- | protocol/serial_soft.c | 20 |
4 files changed, 306 insertions, 2 deletions
diff --git a/protocol/serial_mouse.h b/protocol/serial_mouse.h new file mode 100644 index 0000000000..226314fc0e --- /dev/null +++ b/protocol/serial_mouse.h @@ -0,0 +1,33 @@ +/* +Copyright 2014 Robin Haberkorn <robin.haberkorn@googlemail.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> + +#include "serial.h" + +static inline uint8_t serial_mouse_init(void) +{ + serial_init(); + return 0; +} + +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..ab74b7cdd3 --- /dev/null +++ b/protocol/serial_mouse_microsoft.c @@ -0,0 +1,124 @@ +/* +Copyright 2014 Robin Haberkorn <robin.haberkorn@googlemail.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" + +#ifdef MAX +#undef MAX +#endif +#define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) + +static void print_usb_data(const report_mouse_t *report); + +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 = MAX(report.x, -127); + report.y = MAX(report.y, -127); + +#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..cfe8996216 --- /dev/null +++ b/protocol/serial_mouse_mousesystems.c @@ -0,0 +1,131 @@ +/* +Copyright 2014 Robin Haberkorn <robin.haberkorn@googlemail.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" + +#ifdef MAX +#undef MAX +#endif +#define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) + +//#define SERIAL_MOUSE_CENTER_SCROLL + +static void print_usb_data(const report_mouse_t *report); + +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])) { + /* USB HID uses only values from -127 to 127 */ + report.h = MAX((int8_t)buffer[1], -127); + report.v = MAX((int8_t)buffer[2], -127); + + print_usb_data(&report); + host_mouse_send(&report); + + if (buffer[3] || buffer[4]) { + report.h = MAX((int8_t)buffer[3], -127); + report.v = MAX((int8_t)buffer[4], -127); + + 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; + + /* USB HID uses only values from -127 to 127 */ + report.x = MAX((int8_t)buffer[1], -127); + report.y = MAX(-(int8_t)buffer[2], -127); + + print_usb_data(&report); + host_mouse_send(&report); + + if (buffer[3] || buffer[4]) { + report.x = MAX((int8_t)buffer[3], -127); + report.y = MAX(-(int8_t)buffer[4], -127); + + 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_soft.c b/protocol/serial_soft.c index e8870bcd79..44822b7e43 100644 --- a/protocol/serial_soft.c +++ b/protocol/serial_soft.c @@ -122,7 +122,11 @@ void serial_send(uint8_t data) /* signal state: IDLE: ON, START: OFF, STOP: ON, DATA0: OFF, DATA1: ON */ #ifdef SERIAL_SOFT_BIT_ORDER_MSB + #ifdef SERIAL_SOFT_DATA_7BIT + uint8_t mask = 0x40; + #else uint8_t mask = 0x80; + #endif #else uint8_t mask = 0x01; #endif @@ -133,7 +137,11 @@ void serial_send(uint8_t data) SERIAL_SOFT_TXD_OFF(); _delay_us(WAIT_US); - while (mask) { +#ifdef SERIAL_SOFT_DATA_7BIT + while (mask&0x7F) { +#else + while (mask&0xFF) { +#endif if (data&mask) { SERIAL_SOFT_TXD_ON(); parity ^= 1; @@ -173,7 +181,11 @@ ISR(SERIAL_SOFT_RXD_VECT) uint8_t data = 0; #ifdef SERIAL_SOFT_BIT_ORDER_MSB + #ifdef SERIAL_SOFT_DATA_7BIT + uint8_t mask = 0x40; + #else uint8_t mask = 0x80; + #endif #else uint8_t mask = 0x01; #endif @@ -197,7 +209,11 @@ ISR(SERIAL_SOFT_RXD_VECT) #else mask <<= 1; #endif - } while (mask); +#ifdef SERIAL_SOFT_DATA_7BIT + } while (mask&0x7F); +#else + } while (mask&0xFF); +#endif #if defined(SERIAL_SOFT_PARITY_EVEN) || defined(SERIAL_SOFT_PARITY_ODD) /* to center of parity bit */ |