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Diffstat (limited to 'protocol/ps2_mouse.c')
-rw-r--r-- | protocol/ps2_mouse.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/protocol/ps2_mouse.c b/protocol/ps2_mouse.c deleted file mode 100644 index c3e8b3c1c3..0000000000 --- a/protocol/ps2_mouse.c +++ /dev/null @@ -1,220 +0,0 @@ -/* -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 <stdbool.h> -#include<avr/io.h> -#include<util/delay.h> -#include "ps2.h" -#include "ps2_mouse.h" -#include "report.h" -#include "host.h" -#include "timer.h" -#include "print.h" -#include "debug.h" - - -static report_mouse_t mouse_report = {}; - - -static void print_usb_data(void); - - -/* supports only 3 button mouse at this time */ -uint8_t ps2_mouse_init(void) { - uint8_t rcv; - - ps2_host_init(); - - _delay_ms(1000); // wait for powering up - - // send Reset - rcv = ps2_host_send(0xFF); - print("ps2_mouse_init: send Reset: "); - phex(rcv); phex(ps2_error); print("\n"); - - // read completion code of BAT - rcv = ps2_host_recv_response(); - print("ps2_mouse_init: read BAT: "); - phex(rcv); phex(ps2_error); print("\n"); - - // read Device ID - rcv = ps2_host_recv_response(); - print("ps2_mouse_init: read DevID: "); - phex(rcv); phex(ps2_error); print("\n"); - - // send Set Remote mode - rcv = ps2_host_send(0xF0); - print("ps2_mouse_init: send 0xF0: "); - phex(rcv); phex(ps2_error); print("\n"); - - return 0; -} - -#define X_IS_NEG (mouse_report.buttons & (1<<PS2_MOUSE_X_SIGN)) -#define Y_IS_NEG (mouse_report.buttons & (1<<PS2_MOUSE_Y_SIGN)) -#define X_IS_OVF (mouse_report.buttons & (1<<PS2_MOUSE_X_OVFLW)) -#define Y_IS_OVF (mouse_report.buttons & (1<<PS2_MOUSE_Y_OVFLW)) -void ps2_mouse_task(void) -{ - enum { SCROLL_NONE, SCROLL_BTN, SCROLL_SENT }; - static uint8_t scroll_state = SCROLL_NONE; - static uint8_t buttons_prev = 0; - - /* receives packet from mouse */ - uint8_t rcv; - rcv = ps2_host_send(PS2_MOUSE_READ_DATA); - if (rcv == PS2_ACK) { - mouse_report.buttons = ps2_host_recv_response(); - mouse_report.x = ps2_host_recv_response(); - mouse_report.y = ps2_host_recv_response(); - } else { - if (debug_mouse) print("ps2_mouse: fail to get mouse packet\n"); - return; - } - xprintf("%ud ", timer_read()); - print("ps2_mouse raw: ["); - phex(mouse_report.buttons); print("|"); - print_hex8((uint8_t)mouse_report.x); print(" "); - print_hex8((uint8_t)mouse_report.y); print("]\n"); - - /* if mouse moves or buttons state changes */ - if (mouse_report.x || mouse_report.y || - ((mouse_report.buttons ^ buttons_prev) & PS2_MOUSE_BTN_MASK)) { - -#ifdef PS2_MOUSE_DEBUG - print("ps2_mouse raw: ["); - phex(mouse_report.buttons); print("|"); - print_hex8((uint8_t)mouse_report.x); print(" "); - print_hex8((uint8_t)mouse_report.y); print("]\n"); -#endif - - buttons_prev = mouse_report.buttons; - - // PS/2 mouse data is '9-bit integer'(-256 to 255) which is comprised of sign-bit and 8-bit value. - // bit: 8 7 ... 0 - // sign \8-bit/ - // - // Meanwhile USB HID mouse indicates 8bit data(-127 to 127), note that -128 is not used. - // - // This converts PS/2 data into HID value. Use only -127-127 out of PS/2 9-bit. - mouse_report.x = X_IS_NEG ? - ((!X_IS_OVF && -127 <= mouse_report.x && mouse_report.x <= -1) ? mouse_report.x : -127) : - ((!X_IS_OVF && 0 <= mouse_report.x && mouse_report.x <= 127) ? mouse_report.x : 127); - mouse_report.y = Y_IS_NEG ? - ((!Y_IS_OVF && -127 <= mouse_report.y && mouse_report.y <= -1) ? mouse_report.y : -127) : - ((!Y_IS_OVF && 0 <= mouse_report.y && mouse_report.y <= 127) ? mouse_report.y : 127); - - // remove sign and overflow flags - mouse_report.buttons &= PS2_MOUSE_BTN_MASK; - - // invert coordinate of y to conform to USB HID mouse - mouse_report.y = -mouse_report.y; - - -#if PS2_MOUSE_SCROLL_BTN_MASK - static uint16_t scroll_button_time = 0; - if ((mouse_report.buttons & (PS2_MOUSE_SCROLL_BTN_MASK)) == (PS2_MOUSE_SCROLL_BTN_MASK)) { - if (scroll_state == SCROLL_NONE) { - scroll_button_time = timer_read(); - scroll_state = SCROLL_BTN; - } - - // doesn't send Scroll Button - //mouse_report.buttons &= ~(PS2_MOUSE_SCROLL_BTN_MASK); - - if (mouse_report.x || mouse_report.y) { - scroll_state = SCROLL_SENT; - - mouse_report.v = -mouse_report.y/(PS2_MOUSE_SCROLL_DIVISOR_V); - mouse_report.h = mouse_report.x/(PS2_MOUSE_SCROLL_DIVISOR_H); - mouse_report.x = 0; - mouse_report.y = 0; - //host_mouse_send(&mouse_report); - } - } - else if ((mouse_report.buttons & (PS2_MOUSE_SCROLL_BTN_MASK)) == 0) { -#if PS2_MOUSE_SCROLL_BTN_SEND - if (scroll_state == SCROLL_BTN && - TIMER_DIFF_16(timer_read(), scroll_button_time) < PS2_MOUSE_SCROLL_BTN_SEND) { - // send Scroll Button(down and up at once) when not scrolled - mouse_report.buttons |= (PS2_MOUSE_SCROLL_BTN_MASK); - host_mouse_send(&mouse_report); - _delay_ms(100); - mouse_report.buttons &= ~(PS2_MOUSE_SCROLL_BTN_MASK); - } -#endif - scroll_state = SCROLL_NONE; - } - // doesn't send Scroll Button - mouse_report.buttons &= ~(PS2_MOUSE_SCROLL_BTN_MASK); -#endif - - - host_mouse_send(&mouse_report); - print_usb_data(); - } - // clear report - mouse_report.x = 0; - mouse_report.y = 0; - mouse_report.v = 0; - mouse_report.h = 0; - mouse_report.buttons = 0; -} - -static void print_usb_data(void) -{ - if (!debug_mouse) return; - print("ps2_mouse usb: ["); - phex(mouse_report.buttons); print("|"); - print_hex8((uint8_t)mouse_report.x); print(" "); - print_hex8((uint8_t)mouse_report.y); print(" "); - print_hex8((uint8_t)mouse_report.v); print(" "); - print_hex8((uint8_t)mouse_report.h); print("]\n"); -} - - -/* PS/2 Mouse Synopsis - * http://www.computer-engineering.org/ps2mouse/ - * - * Command: - * 0xFF: Reset - * 0xF6: Set Defaults Sampling; rate=100, resolution=4cnt/mm, scaling=1:1, reporting=disabled - * 0xF5: Disable Data Reporting - * 0xF4: Enable Data Reporting - * 0xF3: Set Sample Rate - * 0xF2: Get Device ID - * 0xF0: Set Remote Mode - * 0xEB: Read Data - * 0xEA: Set Stream Mode - * 0xE9: Status Request - * 0xE8: Set Resolution - * 0xE7: Set Scaling 2:1 - * 0xE6: Set Scaling 1:1 - * - * Mode: - * Stream Mode: devices sends the data when it changs its state - * Remote Mode: host polls the data periodically - * - * This code uses Remote Mode and polls the data with Read Data(0xEB). - * - * Data format: - * byte|7 6 5 4 3 2 1 0 - * ----+-------------------------------------------------------------- - * 0|Yovflw Xovflw Ysign Xsign 1 Middle Right Left - * 1| X movement - * 2| Y movement - */ |