diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_EFN.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_EFN.c.svn-base | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_EFN.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_EFN.c.svn-base deleted file mode 100644 index dca226c8..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_EFN.c.svn-base +++ /dev/null @@ -1,414 +0,0 @@ -/* $Id: drv_Sample.c 773 2007-02-25 12:39:09Z michael $ - * $URL: https://ssl.bulix.org/svn/lcd4linux/branches/0.10.1/drv_Sample.c $ - * - * lcd4linux driver for EFN LED modules (manufacturer: COMFILE/South Korea) - * connected to the ethernet to serial converter EUG 100 (manufacturer ELV/ - * Germany) - * - * Up to 256 EFN LED modules listen on a serial bus (9600 BAUD, 1 stop bit, - * no parity) and are controlled by a 3 byte protocol: - * Byte 1: 0xff - * Byte 2: <module address> - * Byte 3: <Ascii value of character to be diplayed> - * The module address of each EFN LED module is set hy solder bridges. - * The driver expects the EFN LED modules to be configured starting - * from address 1. The EFN LED module set to address 1 is the right - * most module. - * - * The EUG 100 is an ethernet to seriell converter. The IP address - * can be set by dhcp. It listens on ports 1000 (data) and 1001 - * (configuration). Data received on port 1000 is sent onto the serial bus, - * while data sent to configuration port sets format of the EUG 100's - * serial interface. - * Due to a bug in the firmware, the transmission is interrupted if '\0' (0x00) - * is received on port 1000. Consequently, none of the EFN LED modules shall - * be set to address 0. - * - * Copyright (C) 2010 Tilman Glötzner <tilmanglotzner@hotmail.com> - * - * 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_EFN - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <strings.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netdb.h> - -#include "debug.h" -#include "cfg.h" -#include "qprintf.h" -#include "udelay.h" -#include "plugin.h" -#include "widget.h" -#include "widget_text.h" -#include "widget_icon.h" -#include "widget_bar.h" -#include "drv.h" - -/* text mode display */ -#include "drv_generic_text.h" - - - -static char Name[] = "EFN"; - -char Host[256]; -int Port; -int DataSocket; - -static void drv_EFN_clear(void); - -/****************************************/ -/*** hardware dependant functions ***/ -/****************************************/ - -static int drv_EFN_open(const char *section) -{ - int sockfd_conf, portno_conf, n; - struct sockaddr_in serv_addr; - struct sockaddr_in conf_addr; - struct hostent *server; - char buffer[5]; - - /* open tcp sockets to config port to EUG 100 t0 set serial parameter */ - /* 9600 BAUD; no parity; 1 stop bit */ - // socket to config EUG - portno_conf = Port + 1; - sockfd_conf = socket(AF_INET, SOCK_STREAM, 0); - if (sockfd_conf < 0) { - error("ERROR opening config socket"); - return -1; - } - // resolve DNS name of EFN server (= EUG 100) - server = gethostbyname(Host); - if (server == NULL) { - error("ERROR, no such host\n"); - return -1; - } - // socket addr for config socket - bzero((char *) &conf_addr, sizeof(struct sockaddr_in)); - conf_addr.sin_family = AF_INET; - bcopy((char *) server->h_addr, (char *) &conf_addr.sin_addr.s_addr, server->h_length); - conf_addr.sin_port = htons(portno_conf); - - // open config socket - if (connect(sockfd_conf, (struct sockaddr *) &conf_addr, sizeof(struct sockaddr_in)) < 0) { - error("ERROR connecting to config port"); - return -1; - } - // sent config message - - bzero(buffer, 5); - buffer[0] = '4'; - buffer[1] = '0'; - buffer[2] = '1'; - - - n = write(sockfd_conf, buffer, 3); - if (n < 0) { - error("ERROR writing to config socket"); - close(sockfd_conf); - return -1; - } - close(sockfd_conf); - - // open data socket - - DataSocket = socket(AF_INET, SOCK_STREAM, 0); - if (DataSocket < 0) { - error("ERROR opening data socket"); - return -1; - } - // socket addr for data socket - bzero((char *) &serv_addr, sizeof(struct sockaddr_in)); - serv_addr.sin_family = AF_INET; - bcopy((char *) server->h_addr, (char *) &serv_addr.sin_addr.s_addr, server->h_length); - serv_addr.sin_port = htons(Port); - - if (connect(DataSocket, (struct sockaddr *) &serv_addr, sizeof(struct sockaddr_in)) < 0) { - error("ERROR connecting to data socket"); - return -1; - } - return 0; -} - - -static int drv_EFN_close(void) -{ - /* close whatever port you've opened */ - drv_EFN_clear(); - close(DataSocket); - return 0; -} - - -/* dummy function that sends something to the display */ -static void drv_EFN_send(const char *data, const unsigned int len) -{ - int n, i; - - // transport command stirng to EUG 100 - n = write(DataSocket, data, len); - - if (n < 0) { - error("%s:drv_EFN_send: Failed to write to data socket\n", Name); - // return(-1); - } - /* - printf("EFN_send: "); - for(i=0;i<n;i++) - { - printf("0x%02x ",data[i]); - } - printf("\n"); - */ -} - - -/* text mode displays only */ -static void drv_EFN_clear(void) -{ - char *cmd; - int max_char, max_cmd, k; - - max_char = DROWS * DCOLS; - max_cmd = 3 * max_char; // each EFN module expects 3 bytes - - if ((cmd = malloc(max_cmd)) == NULL) { - error("%s : Failed to allocate memory in drv_Sample_write\n", Name); - // return -1; - } else { - /* do whatever is necessary to clear the display */ - for (k = 0; k < max_char; k++) { - cmd[(3 * k) + 0] = 0xff; - cmd[(3 * k) + 1] = k + 1; - cmd[(3 * k) + 2] = ' '; - } - drv_EFN_send(cmd, max_cmd); - drv_EFN_send(cmd, max_cmd); - free(cmd); - //return 0; - } -} - - -/* text mode displays only */ -static void drv_EFN_write(const int row, const int col, const char *data, int len) -{ - char *cmd; - int offset, i, k, max_char, max_cmd; - - max_char = DROWS * DCOLS; - max_cmd = 3 * max_char; // each LED blocks expects a 3 byte sequence - - - if ((cmd = (char *) malloc(max_cmd)) == NULL) { - error("%s : Failed to allocate memory in drv_Sample_write\n", Name); - //return -1; - } else { - /* do the cursor positioning here */ - - offset = ((row) * DCOLS) + col; - - for (i = max_char - offset, k = 0; ((i > 0) && (k < len)); i--, k++) { - cmd[(3 * k) + 0] = 0xff; - cmd[(3 * k) + 1] = i; - cmd[(3 * k) + 2] = data[k]; - } - - /* send string to the display twice (to make transmission - * reliable) */ - drv_EFN_send(cmd, 3 * (k)); - drv_EFN_send(cmd, 3 * (k)); - - free(cmd); - // return 0; - } -} - -static void drv_EFN_defchar(const int ascii, const unsigned char *matrix) -{ - error("%s:drv_EFN_defchar: Function not supported by EFN modules\n", Name); -} - -/* start text mode display */ -static int drv_EFN_start(const char *section) -{ - int rows = -1, cols = -1; - char *s; - - s = cfg_get(section, "Host", NULL); - - if (s == NULL || *s == '\0') { - error("%s: no '%s.Host' entry from %s", Name, section, cfg_source()); - return -1; - } - - if (sscanf(s, "%s", &Host) != 1) { - error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source()); - free(s); - return -1; - } - - if (cfg_number(section, "Port", 1000, 0, 65535, &Port) < 0) - return -1; - - - s = cfg_get(section, "Size", NULL); - if (s == NULL || *s == '\0') { - error("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); - return -1; - } - if (sscanf(s, "%dx%d", &cols, &rows) != 2 || rows < 1 || cols < 1) { - error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source()); - free(s); - return -1; - } - - DROWS = rows; - DCOLS = cols; - - /* open communication with the display */ - if (drv_EFN_open(section) < 0) { - return -1; - } - - /* initialize display */ - drv_EFN_clear(); /* clear display */ - - return 0; -} - - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - - -/****************************************/ -/*** widget callbacks ***/ -/****************************************/ - - - - -/****************************************/ -/*** exported functions ***/ -/****************************************/ - - -/* list models */ -int drv_EFN_list(void) -{ - printf("EFN LED modules + EUG100 Ethernet to serial convertor"); - return 0; -} - - -/* initialize driver & display */ -/* use this function for a text display */ -int drv_EFN_init(const char *section, const int quiet) -{ - WIDGET_CLASS wc; - int ret; - - info("%s: %s", Name, "$Rev: 773 $"); - - /* display preferences */ - - /* real worker functions */ - drv_generic_text_real_write = drv_EFN_write; - drv_generic_text_real_defchar = drv_EFN_defchar; - - - /* start display */ - if ((ret = drv_EFN_start(section)) != 0) - return ret; - - if (!quiet) { - char buffer[40]; - qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); - sleep(3); - drv_EFN_clear(); - - } - - /* initialize generic text driver */ - if ((ret = drv_generic_text_init(section, Name)) != 0) - return ret; - - - /* register text widget */ - wc = Widget_Text; - wc.draw = drv_generic_text_draw; - widget_register(&wc); - - return 0; -} - - - - -/* close driver & display */ -/* use this function for a text display */ -int drv_EFN_quit(const int quiet) -{ - - info("%s: shutting down.", Name); - - drv_generic_text_quit(); - - /* clear display */ - drv_EFN_clear(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_text_greet("goodbye!", NULL); - } - - debug("closing connection"); - drv_EFN_close(); - - return (0); -} - -/* close driver & display */ -/* use this one for a text display */ -DRIVER drv_EFN = { - .name = Name, - .list = drv_EFN_list, - .init = drv_EFN_init, - .quit = drv_EFN_quit, -}; |
