diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LEDMatrix.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LEDMatrix.c.svn-base | 321 |
1 files changed, 0 insertions, 321 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LEDMatrix.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LEDMatrix.c.svn-base deleted file mode 100644 index 3a63dc32..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LEDMatrix.c.svn-base +++ /dev/null @@ -1,321 +0,0 @@ -/* $Id$ - * $URL$ - * - * LED matrix driver for LCD4Linux - * (see http://www.harbaum.org/till/ledmatrix for hardware) - * - * Copyright (C) 2006 Till Harbaum <till@harbaum.org> - * - * This file is part of LCD4Linux. - * - * LCD4Linux 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, or (at your option) - * any later version. - * - * LCD4Linux 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, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * - * exported fuctions: - * - * struct DRIVER drv_LEDMatrix - * - */ - -/* - * Options: - * IPAddress - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <termios.h> -#include <fcntl.h> -#include <sys/time.h> - -/* include network specific headers */ -#include <arpa/inet.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <sys/select.h> -#include <netdb.h> - -#include "debug.h" -#include "cfg.h" -#include "qprintf.h" -#include "plugin.h" -#include "widget.h" -#include "widget_text.h" -#include "widget_icon.h" -#include "widget_bar.h" -#include "drv.h" -#include "drv_generic_graphic.h" - -/* display command bytes */ -#define DSP_CMD_ECHO 0 -#define DSP_CMD_NOP 1 -#define DSP_CMD_IMAGE 2 -#define DSP_CMD_ACK 3 -#define DSP_CMD_IR 4 -#define DSP_CMD_BEEP 5 - -#define DSP_DEFAULT_PORT 4711 - -#define DSP_MEM (80 * 32 * 2 / 8) - -#define DEFAULT_X_OFFSET 1 /* with a font width of 6 */ - -static char Name[] = "LEDMatrix"; -static char *IPAddress = NULL; -static int sock = -1; -static struct sockaddr_in dsp_addr; -static unsigned char tx_buffer[DSP_MEM + 1]; -static int port = DSP_DEFAULT_PORT; - -static void drv_LEDMatrix_blit(const int row, const int col, const int height, const int width) -{ - int r, c, i; - fd_set rfds; - struct timeval tv; - unsigned char reply[256]; - struct sockaddr_in cli_addr; - socklen_t fromlen; - int ack = 0; - int timeout = 10; - - for (r = row; r < row + height; r++) { - for (c = col; c < col + width; c++) { - /* LEDMATRIX supports three colors: 10b == green, 01b == red, 11b == amber */ - - unsigned char color = 0; - RGBA p = drv_generic_graphic_rgb(r, c); - if (p.G >= 128) - color |= 0x80; - if (p.R >= 128) - color |= 0x40; - /* ignore blue ... */ - - tx_buffer[1 + 20 * r + c / 4] &= ~(0xc0 >> (2 * (c & 3))); - tx_buffer[1 + 20 * r + c / 4] |= color >> (2 * (c & 3)); - } - } - - /* scan entire display */ - tx_buffer[0] = DSP_CMD_IMAGE; - - do { - - if ((sendto(sock, tx_buffer, DSP_MEM + 1, 0, (struct sockaddr *) &dsp_addr, sizeof(dsp_addr))) != DSP_MEM + 1) - error("%s: sendto error on socket", Name); - - /* now wait for reply */ - - FD_ZERO(&rfds); - FD_SET(sock, &rfds); - tv.tv_sec = 0; - tv.tv_usec = 100000; - - /* wait 1 sec for ack */ - if ((i = select(FD_SETSIZE, &rfds, NULL, NULL, &tv)) < 0) { - info("%s: Select error: %s", Name, strerror(errno)); - } - - if (FD_ISSET(sock, &rfds)) { - /* wait for ack */ - fromlen = sizeof(dsp_addr); - i = recvfrom(sock, reply, sizeof(reply), 0, (struct sockaddr *) &cli_addr, &fromlen); - if (i < 0) { - info("%s: Receive error: %s", Name, strerror(errno)); - } else { - if ((i == 2) && (reply[0] == DSP_CMD_ACK) && (reply[1] == DSP_CMD_IMAGE)) { - ack = 1; - } else if ((i > 1) && (reply[0] == DSP_CMD_IR)) { - /* maybe used later: */ - /* ir_receive(reply+1, i-1); */ - } else { - info("%s: Unexpected reply message", Name); - } - } - } - timeout--; - } while ((!ack) && (timeout > 0)); - - if (timeout == 0) { - error("%s: display reply timeout", Name); - } -} - -static int drv_LEDMatrix_start(const char *section) -{ - char *s; - struct sockaddr_in cli_addr; - struct hostent *hp; - int val; - - IPAddress = cfg_get(section, "IPAddress", NULL); - if (IPAddress == NULL || *IPAddress == '\0') { - error("%s: no '%s.IPAddress' entry from %s", Name, section, cfg_source()); - return -1; - } - - if (cfg_number(section, "Port", 0, 0, 65535, &val) > 0) { - info("%s: port set to %d", Name, val); - port = val; - } else { - info("%s: using default port %d", Name, port); - } - - /* display size is hard coded */ - DCOLS = 80; - DROWS = 32; - - if (sscanf(s = cfg_get(section, "font", "6x8"), "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) { - error("%s: bad %s.Font '%s' from %s", Name, section, s, cfg_source()); - free(s); - return -1; - } - free(s); - - /* contact display */ - info("%s: contacting %s", Name, IPAddress); - - /* try to resolve as a hostname */ - if ((hp = gethostbyname(IPAddress)) == NULL) { - error("%s: unable to resolve hostname %s: %s", Name, IPAddress, strerror(errno)); - return -1; - } - - /* open datagram socket */ - if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { - error("%s: could not create socket: %s", Name, strerror(errno)); - return -1; - } - - memset((char *) &dsp_addr, 0, sizeof(dsp_addr)); - dsp_addr.sin_family = AF_INET; - dsp_addr.sin_addr.s_addr = *(int *) hp->h_addr; - dsp_addr.sin_port = htons(port); - - cli_addr.sin_family = AF_INET; - cli_addr.sin_addr.s_addr = htons(INADDR_ANY); - cli_addr.sin_port = htons(port); - - if (bind(sock, (struct sockaddr *) &cli_addr, sizeof(cli_addr)) < 0) { - error("%s: can't bind local address: %s", Name, strerror(errno)); - return -1; - } - - memset(tx_buffer, 0, sizeof(tx_buffer)); - - return 0; -} - - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - -/* none at the moment... */ - - -/****************************************/ -/*** widget callbacks ***/ -/****************************************/ - - -/* using drv_generic_graphic_draw(W) */ -/* using drv_generic_graphic_icon_draw(W) */ -/* using drv_generic_graphic_bar_draw(W) */ - - -/****************************************/ -/*** exported functions ***/ -/****************************************/ - - -/* list models */ -int drv_LEDMatrix_list(void) -{ - printf("LEDMATRIX by Till Harbaum"); - return 0; -} - - -/* initialize driver & display */ -int drv_LEDMatrix_init(const char *section, const __attribute__ ((unused)) - int quiet) -{ - WIDGET_CLASS wc; - int ret; - - /* real worker functions */ - drv_generic_graphic_real_blit = drv_LEDMatrix_blit; - - /* start display */ - if ((ret = drv_LEDMatrix_start(section)) != 0) - return ret; - - /* initialize generic graphic driver */ - if ((ret = drv_generic_graphic_init(section, Name)) != 0) - return ret; - - /* register text widget */ - wc = Widget_Text; - wc.draw = drv_generic_graphic_draw; - widget_register(&wc); - - /* register icon widget */ - wc = Widget_Icon; - wc.draw = drv_generic_graphic_icon_draw; - widget_register(&wc); - - /* register bar widget */ - wc = Widget_Bar; - wc.draw = drv_generic_graphic_bar_draw; - widget_register(&wc); - - /* register plugins */ - /* none at the moment... */ - - - return 0; -} - - -/* close driver & display */ -int drv_LEDMatrix_quit(const __attribute__ ((unused)) - int quiet) -{ - - info("%s: shutting down.", Name); - drv_generic_graphic_quit(); - - if (sock != -1) - close(sock); - - return (0); -} - - -DRIVER drv_LEDMatrix = { - .name = Name, - .list = drv_LEDMatrix_list, - .init = drv_LEDMatrix_init, - .quit = drv_LEDMatrix_quit, -}; |