From d8239786b306ffda6d5d73753d01f0ad3358e1a0 Mon Sep 17 00:00:00 2001 From: Jesse Hall Date: Tue, 17 Jul 2012 16:58:55 -0700 Subject: Delete sdl-1.2.12 Change-Id: Ia96f80df04035ae84be3af468c945f2cec14f99c --- distrib/sdl-1.2.12/src/video/fbcon/SDL_fbelo.c | 442 ------------------------- 1 file changed, 442 deletions(-) delete mode 100644 distrib/sdl-1.2.12/src/video/fbcon/SDL_fbelo.c (limited to 'distrib/sdl-1.2.12/src/video/fbcon/SDL_fbelo.c') diff --git a/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbelo.c b/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbelo.c deleted file mode 100644 index 1142923..0000000 --- a/distrib/sdl-1.2.12/src/video/fbcon/SDL_fbelo.c +++ /dev/null @@ -1,442 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#include -#include -#include - -#include "SDL_stdinc.h" -#include "SDL_fbvideo.h" -#include "SDL_fbelo.h" - -/* - calibration default values - values are read from the following environment variables: - - SDL_ELO_MIN_X - SDL_ELO_MAX_X - SDL_ELO_MIN_Y - SDL_ELO_MAX_Y -*/ - -static int ELO_MIN_X = 400; -static int ELO_MAX_X = 3670; -static int ELO_MIN_Y = 500; -static int ELO_MAX_Y = 3540; - -#define ELO_SNAP_SIZE 6 -#define ELO_TOUCH_BYTE 'T' -#define ELO_ID 'I' -#define ELO_MODE 'M' -#define ELO_PARAMETER 'P' -#define ELO_REPORT 'B' -#define ELO_ACK 'A' - -#define ELO_INIT_CHECKSUM 0xAA - -#define ELO_BTN_PRESS 0x01 -#define ELO_STREAM 0x02 -#define ELO_BTN_RELEASE 0x04 - -#define ELO_TOUCH_MODE 0x01 -#define ELO_STREAM_MODE 0x02 -#define ELO_UNTOUCH_MODE 0x04 -#define ELO_RANGE_CHECK_MODE 0x40 -#define ELO_TRIM_MODE 0x02 -#define ELO_CALIB_MODE 0x04 -#define ELO_SCALING_MODE 0x08 -#define ELO_TRACKING_MODE 0x40 - -#define ELO_SERIAL_MASK 0xF8 - -#define ELO_SERIAL_IO '0' - -#define ELO_MAX_TRIALS 3 -#define ELO_MAX_WAIT 100000 -#define ELO_UNTOUCH_DELAY 5 -#define ELO_REPORT_DELAY 1 - -/* eloParsePacket -*/ -int eloParsePacket(unsigned char* mousebuf, int* dx, int* dy, int* button_state) { - static int elo_button = 0; - static int last_x = 0; - static int last_y = 0; - int x,y; - - /* Check if we have a touch packet */ - if (mousebuf[1] != ELO_TOUCH_BYTE) { - return 0; - } - - x = ((mousebuf[4] << 8) | mousebuf[3]); - y = ((mousebuf[6] << 8) | mousebuf[5]); - - if((SDL_abs(x - last_x) > ELO_SNAP_SIZE) || (SDL_abs(y - last_y) > ELO_SNAP_SIZE)) { - *dx = ((mousebuf[4] << 8) | mousebuf[3]); - *dy = ((mousebuf[6] << 8) | mousebuf[5]); - } - else { - *dx = last_x; - *dy = last_y; - } - - last_x = *dx; - last_y = *dy; - - if ( (mousebuf[2] & 0x07) == ELO_BTN_PRESS ) { - elo_button = 1; - } - if ( (mousebuf[2] & 0x07) == ELO_BTN_RELEASE ) { - elo_button = 0; - } - - *button_state = elo_button; - return 1; -} - -/* Convert the raw coordinates from the ELO controller - to a screen position. -*/ -void eloConvertXY(_THIS, int *dx, int *dy) { - int input_x = *dx; - int input_y = *dy; - int width = ELO_MAX_X - ELO_MIN_X; - int height = ELO_MAX_Y - ELO_MIN_Y; - - *dx = ((int)cache_vinfo.xres - ((int)cache_vinfo.xres * (input_x - ELO_MIN_X)) / width); - *dy = (cache_vinfo.yres * (input_y - ELO_MIN_Y)) / height; -} - - -/* eloGetPacket -*/ -int eloGetPacket(unsigned char* buffer, int* buffer_p, int* checksum, int fd) { - int num_bytes; - int ok; - - if(fd == 0) { - num_bytes = ELO_PACKET_SIZE; - } - else { - num_bytes = read(fd, - (char *) (buffer + *buffer_p), - ELO_PACKET_SIZE - *buffer_p); - } - - if (num_bytes < 0) { -#ifdef DEBUG_MOUSE - fprintf(stderr, "System error while reading from Elographics touchscreen.\n"); -#endif - return 0; - } - - while (num_bytes) { - if ((*buffer_p == 0) && (buffer[0] != ELO_START_BYTE)) { - SDL_memcpy(&buffer[0], &buffer[1], num_bytes-1); - } - else { - if (*buffer_p < ELO_PACKET_SIZE-1) { - *checksum = *checksum + buffer[*buffer_p]; - *checksum = *checksum % 256; - } - (*buffer_p)++; - } - num_bytes--; - } - - if (*buffer_p == ELO_PACKET_SIZE) { - ok = (*checksum == buffer[ELO_PACKET_SIZE-1]); - *checksum = ELO_INIT_CHECKSUM; - *buffer_p = 0; - - if (!ok) { - return 0; - } - - return 1; - } - else { - return 0; - } -} - -/* eloSendPacket -*/ - -int eloSendPacket(unsigned char* packet, int fd) -{ - int i, result; - int sum = ELO_INIT_CHECKSUM; - - packet[0] = ELO_START_BYTE; - for (i = 0; i < ELO_PACKET_SIZE-1; i++) { - sum += packet[i]; - sum &= 0xFF; - } - packet[ELO_PACKET_SIZE-1] = sum; - - result = write(fd, packet, ELO_PACKET_SIZE); - - if (result != ELO_PACKET_SIZE) { -#ifdef DEBUG_MOUSE - printf("System error while sending to Elographics touchscreen.\n"); -#endif - return 0; - } - else { - return 1; - } -} - - -/* eloWaitForInput - */ -int eloWaitForInput(int fd, int timeout) -{ - fd_set readfds; - struct timeval to; - int r; - - FD_ZERO(&readfds); - FD_SET(fd, &readfds); - to.tv_sec = 0; - to.tv_usec = timeout; - - r = select(FD_SETSIZE, &readfds, NULL, NULL, &to); - return r; -} - -/* eloWaitReply - */ -int eloWaitReply(unsigned char type, unsigned char *reply, int fd) { - int ok; - int i, result; - int reply_p = 0; - int sum = ELO_INIT_CHECKSUM; - - i = ELO_MAX_TRIALS; - do { - ok = 0; - - result = eloWaitForInput(fd, ELO_MAX_WAIT); - - if (result > 0) { - ok = eloGetPacket(reply, &reply_p, &sum, fd); - - if (ok && reply[1] != type && type != ELO_PARAMETER) { -#ifdef DEBUG_MOUSE - fprintf(stderr, "Wrong reply received\n"); -#endif - ok = 0; - } - } - else { -#ifdef DEBUG_MOUSE - fprintf(stderr, "No input!\n"); -#endif - } - - if (result == 0) { - i--; - } - } while(!ok && (i>0)); - - return ok; -} - - -/* eloWaitAck - */ - -int eloWaitAck(int fd) { - unsigned char packet[ELO_PACKET_SIZE]; - int i, nb_errors; - - if (eloWaitReply(ELO_ACK, packet, fd)) { - for (i = 0, nb_errors = 0; i < 4; i++) { - if (packet[2 + i] != '0') { - nb_errors++; - } - } - - if (nb_errors != 0) { -#ifdef DEBUG_MOUSE - fprintf(stderr, "Elographics acknowledge packet reports %d errors\n", nb_errors); -#endif - } - return 1; - } - else { - return 0; - } -} - - -/* eloSendQuery -- -*/ -int eloSendQuery(unsigned char *request, unsigned char* reply, int fd) { - int ok; - - if (eloSendPacket(request, fd)) { - ok = eloWaitReply(toupper(request[1]), reply, fd); - if (ok) { - ok = eloWaitAck(fd); - } - return ok; - } - else { - return 0; - } -} - - -/* eloSendControl -*/ -int eloSendControl(unsigned char* control, int fd) { - if (eloSendPacket(control, fd)) { - return eloWaitAck(fd); - } - else { - return 0; - } -} - -/* eloInitController -*/ -int eloInitController(int fd) { - unsigned char req[ELO_PACKET_SIZE]; - unsigned char reply[ELO_PACKET_SIZE]; - const char *buffer = NULL; - int result = 0; - - struct termios mouse_termios; - - /* try to read the calibration values */ - buffer = SDL_getenv("SDL_ELO_MIN_X"); - if(buffer) { - ELO_MIN_X = SDL_atoi(buffer); - } - buffer = SDL_getenv("SDL_ELO_MAX_X"); - if(buffer) { - ELO_MAX_X = SDL_atoi(buffer); - } - buffer = SDL_getenv("SDL_ELO_MIN_Y"); - if(buffer) { - ELO_MIN_Y = SDL_atoi(buffer); - } - buffer = SDL_getenv("SDL_ELO_MAX_Y"); - if(buffer) { - ELO_MAX_Y = SDL_atoi(buffer); - } - -#ifdef DEBUG_MOUSE - fprintf( stderr, "ELO calibration values:\nmin_x: %i\nmax_x: %i\nmin_y: %i\nmax_y: %i\n", - ELO_MIN_X, - ELO_MAX_X, - ELO_MIN_Y, - ELO_MAX_Y); -#endif - - /* set comm params */ - SDL_memset(&mouse_termios, 0, sizeof(mouse_termios)); - mouse_termios.c_cflag = B9600 | CS8 | CREAD | CLOCAL; - mouse_termios.c_cc[VMIN] = 1; - result = tcsetattr(fd, TCSANOW, &mouse_termios); - - if (result < 0) { -#ifdef DEBUG_MOUSE - fprintf( stderr, "Unable to configure Elographics touchscreen port\n"); -#endif - return 0; - } - - SDL_memset(req, 0, ELO_PACKET_SIZE); - req[1] = tolower(ELO_PARAMETER); - if (!eloSendQuery(req, reply, fd)) { -#ifdef DEBUG_MOUSE - fprintf( stderr, "Not at the specified rate or model 2310, will continue\n"); -#endif - } - - SDL_memset(req, 0, ELO_PACKET_SIZE); - req[1] = tolower(ELO_ID); - if (eloSendQuery(req, reply, fd)) { -#ifdef DEBUG_MOUSE - fprintf(stderr, "Ok, controller configured!\n"); -#endif - } - else { -#ifdef DEBUG_MOUSE - fprintf( stderr, "Unable to ask Elographics touchscreen identification\n"); -#endif - return 0; - } - - SDL_memset(req, 0, ELO_PACKET_SIZE); - req[1] = ELO_MODE; - req[3] = ELO_TOUCH_MODE | ELO_STREAM_MODE | ELO_UNTOUCH_MODE; - req[4] = ELO_TRACKING_MODE; - if (!eloSendControl(req, fd)) { -#ifdef DEBUG_MOUSE - fprintf( stderr, "Unable to change Elographics touchscreen operating mode\n"); -#endif - return 0; - } - - SDL_memset(req, 0, ELO_PACKET_SIZE); - req[1] = ELO_REPORT; - req[2] = ELO_UNTOUCH_DELAY; - req[3] = ELO_REPORT_DELAY; - if (!eloSendControl(req, fd)) { -#ifdef DEBUG_MOUSE - fprintf( stderr, "Unable to change Elographics touchscreen reports timings\n"); -#endif - return 0; - } - - return 1; -} - -int eloReadPosition(_THIS, int fd, int* x, int* y, int* button_state, int* realx, int* realy) { - unsigned char buffer[ELO_PACKET_SIZE]; - int pointer = 0; - int checksum = ELO_INIT_CHECKSUM; - - while(pointer < ELO_PACKET_SIZE) { - if(eloGetPacket(buffer, &pointer, &checksum, fd)) { - break; - } - } - - if(!eloParsePacket(buffer, realx, realy, button_state)) { - return 0; - } - - *x = *realx; - *y = *realy; - - eloConvertXY(this, x, y); - - return 1; -} -- cgit v1.1