aboutsummaryrefslogtreecommitdiffstats
path: root/drv_BeckmannEgle.c
diff options
context:
space:
mode:
Diffstat (limited to 'drv_BeckmannEgle.c')
-rw-r--r--drv_BeckmannEgle.c735
1 files changed, 735 insertions, 0 deletions
diff --git a/drv_BeckmannEgle.c b/drv_BeckmannEgle.c
new file mode 100644
index 0000000..2f09444
--- /dev/null
+++ b/drv_BeckmannEgle.c
@@ -0,0 +1,735 @@
+/* $Id: drv_BeckmannEgle.c 840 2007-09-09 12:17:42Z michael $
+ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_BeckmannEgle.c $
+ *
+ * driver for Beckmann+Egle "Mini Terminals" and "Compact Terminals"
+ * Copyright (C) 2000 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * 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_BeckmannEgle
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <termios.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_text.h"
+#include "drv_generic_serial.h"
+
+
+#define ESC "\033"
+
+static char Name[] = "Beckmann+Egle";
+
+
+typedef struct {
+ char *name;
+ int rows;
+ int cols;
+ int protocol;
+ int type;
+} MODEL;
+
+
+static MODEL Models[] = {
+
+ /* MultiTerminals */
+ {"MT16x1", 1, 16, 1, 0},
+ {"MT16x2", 2, 16, 1, 1},
+ {"MT16x4", 4, 16, 1, 2},
+ {"MT20x1", 1, 20, 1, 3},
+ {"MT20x2", 2, 20, 1, 4},
+ {"MT20x4", 4, 20, 1, 5},
+ {"MT24x1", 1, 24, 1, 6},
+ {"MT24x2", 2, 24, 1, 7},
+ {"MT32x1", 1, 32, 1, 8},
+ {"MT32x2", 2, 32, 1, 9},
+ {"MT40x1", 1, 40, 1, 10},
+ {"MT40x2", 2, 40, 1, 11},
+ {"MT40x4", 4, 40, 1, 12},
+
+ /* CompactTerminal */
+ {"CT20x4", 4, 20, 2, 0},
+
+ {NULL, 0, 0, 0, 0},
+};
+
+
+static int Model;
+static int Protocol;
+
+
+
+/****************************************/
+/*** hardware dependant functions ***/
+/****************************************/
+
+static void drv_BuE_clear(void)
+{
+ switch (Protocol) {
+ case 1:
+ drv_generic_serial_write(ESC "&#", 3); /* clear display */
+ break;
+ case 2:
+ drv_generic_serial_write(ESC "LL", 3); /* clear display */
+ break;
+ }
+}
+
+
+static void drv_BuE_MT_write(const int row, const int col, const char *data, const int len)
+{
+ char cmd[] = ESC "[y;xH";
+
+ cmd[2] = (char) row;
+ cmd[4] = (char) col;
+
+ drv_generic_serial_write(cmd, 6);
+ drv_generic_serial_write(data, len);
+}
+
+
+static void drv_BuE_MT_defchar(const int ascii, const unsigned char *matrix)
+{
+ int i;
+ char cmd[22] = ESC "&T"; /* enter transparent mode */
+
+ cmd[3] = '\0'; /* write cmd */
+ cmd[4] = 0x40 | 8 * ascii; /* write CGRAM */
+
+ for (i = 0; i < 8; i++) {
+ cmd[2 * i + 5] = '\1'; /* write data */
+ cmd[2 * i + 6] = matrix[i] & 0x1f; /* character bitmap */
+ }
+ cmd[21] = '\377'; /* leave transparent mode */
+
+ drv_generic_serial_write(cmd, 22);
+}
+
+
+static void drv_BuE_CT_write(const int row, const int col, const char *data, const int len)
+{
+ char cmd[] = ESC "LCzs\001";
+ cmd[3] = (char) row + 1;
+ cmd[4] = (char) col + 1;
+
+ drv_generic_serial_write(cmd, 6);
+ drv_generic_serial_write(data, len);
+
+}
+
+
+static void drv_BuE_CT_defchar(const int ascii, const unsigned char *matrix)
+{
+ int i;
+ char cmd[13] = ESC "LZ"; /* set custom char */
+
+ /* number of user-defined char (0..7) */
+ cmd[3] = (char) ascii - CHAR0;
+
+ /* ASCII code to replace */
+ cmd[4] = (char) ascii;
+
+ for (i = 0; i < 8; i++) {
+ cmd[i + 5] = matrix[i] & 0x1f;
+ }
+
+ drv_generic_serial_write(cmd, 13);
+}
+
+
+static int drv_BuE_CT_contrast(int contrast)
+{
+ static char Contrast = 7;
+ char cmd[4] = ESC "LKn";
+
+ /* -1 is used to query the current contrast */
+ if (contrast == -1)
+ return Contrast;
+
+ if (contrast < 0)
+ contrast = 0;
+ if (contrast > 15)
+ contrast = 15;
+ Contrast = contrast;
+
+ cmd[3] = Contrast;
+
+ drv_generic_serial_write(cmd, 4);
+
+ return Contrast;
+}
+
+
+static int drv_BuE_CT_backlight(int backlight)
+{
+ static char Backlight = 0;
+ char cmd[4] = ESC "LBn";
+
+ /* -1 is used to query the current backlight */
+ if (backlight == -1)
+ return Backlight;
+
+ if (backlight < 0)
+ backlight = 0;
+ if (backlight > 1)
+ backlight = 1;
+ Backlight = backlight;
+
+ cmd[3] = Backlight;
+
+ drv_generic_serial_write(cmd, 4);
+
+ return Backlight;
+}
+
+
+static int drv_BuE_CT_gpo(int num, int val)
+{
+ static int GPO[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
+ char cmd[4] = ESC "Pnx";
+
+ if (num < 0)
+ num = 0;
+ if (num > 7)
+ num = 7;
+
+ /* -1 is used to query the current GPO */
+ if (val == -1)
+ return GPO[num];
+
+ if (val < 0)
+ val = 0;
+ if (val > 255)
+ val = 255;
+ GPO[num] = val;
+
+ cmd[2] = (char) num;
+ cmd[3] = (char) val;
+
+ drv_generic_serial_write(cmd, 4);
+
+ return GPO[num];
+}
+
+
+static int drv_BuE_CT_gpi(int num)
+{
+ char cmd[4] = ESC "?Pn";
+ char buffer[4];
+
+ if (num < 0)
+ num = 0;
+ if (num > 7)
+ num = 7;
+
+ cmd[3] = (char) num;
+ drv_generic_serial_write(cmd, 4);
+
+ usleep(10000);
+
+ if (drv_generic_serial_read(buffer, 4) != 4) {
+ error("%s: error reading port %d", Name, num);
+ return -1;
+ }
+
+ return buffer[3];
+}
+
+
+static int drv_BuE_CT_adc(void)
+{
+ char buffer[4];
+
+ drv_generic_serial_write(ESC "?A", 3);
+
+ usleep(10000);
+
+ if ((drv_generic_serial_read(buffer, 4) != 4) || (buffer[0] != 'A') || (buffer[1] != ':')
+ ) {
+ error("%s: error reading ADC", Name);
+ return -1;
+ }
+
+ /* 10 bit value: 8 bit high, 2 bit low */
+ return 4 * (unsigned char) buffer[2] + (unsigned char) buffer[3];
+}
+
+
+static int drv_BuE_CT_pwm(int val)
+{
+ static int PWM = -1;
+ char cmd[4] = ESC "Adm";
+
+ /* -1 is used to query the current PWM */
+ if (val == -1)
+ return PWM;
+
+ if (val < 0)
+ val = 0;
+ if (val > 255)
+ val = 255;
+ PWM = val;
+
+ cmd[2] = (char) val;
+ cmd[3] = val == 0 ? 1 : 2;
+ drv_generic_serial_write(cmd, 4);
+
+ return val;
+}
+
+
+static int drv_BuE_MT_start(const char *section)
+{
+ char cmd[] = ESC "&sX";
+
+ /* CSTOPB: 2 stop bits */
+ if (drv_generic_serial_open(section, Name, CSTOPB) < 0)
+ return -1;
+
+ cmd[4] = Models[Model].type;
+ drv_generic_serial_write(cmd, 4); /* select display type */
+ drv_generic_serial_write(ESC "&D", 3); /* cursor off */
+
+ return 0;
+}
+
+
+static int drv_BuE_CT_start(const char *section)
+{
+ char buffer[16];
+ char *size;
+ int i, len;
+
+ if (drv_generic_serial_open(section, Name, 0) < 0)
+ return -1;
+
+#if 0
+ /* restart terminal */
+ drv_generic_serial_write(ESC "Kr", 3);
+ usleep(10000);
+#endif
+
+ /* Fixme: the CT does not return a serial number in byte mode */
+ /* set parameter mode 'decimal' */
+ drv_generic_serial_write(ESC "KM\073", 4);
+
+ /* read version */
+ drv_generic_serial_write(ESC "?V", 3);
+ usleep(100000);
+ if ((len = drv_generic_serial_read(buffer, -1 * (int) sizeof(buffer))) > 0) {
+ int v, r, s;
+ if (sscanf(buffer, "V:%d.%d,%d;", &v, &r, &s) != 3) {
+ error("%s: error parsing display identification <%*s>", Name, len, buffer);
+ } else {
+ info("%s: display identified as version %d.%d, S/N %d", Name, v, r, s);
+ }
+ }
+
+ /* set parameter mode 'byte' */
+ drv_generic_serial_write(ESC "KM\072", 4);
+
+ /* the CT20x4 can control smaller displays, too */
+ size = cfg_get(section, "Size", NULL);
+ if (size != NULL && *size != '\0') {
+ int r, c;
+ char cmd[6] = ESC "LArc";
+ if (sscanf(size, "%dx%d", &c, &r) != 2 || r < 1 || c < 1) {
+ error("%s: bad %s.Size '%s' from %s", Name, section, size, cfg_source());
+ return -1;
+ }
+ info("%s: display size: %d rows %d columns", Name, r, c);
+ /* set display size */
+ cmd[3] = (char) r;
+ cmd[4] = (char) c;
+ drv_generic_serial_write(cmd, 5);
+ DCOLS = c;
+ DROWS = r;
+ }
+
+ /* set contrast */
+ if (cfg_number(section, "Contrast", 7, 0, 15, &i) > 0) {
+ drv_BuE_CT_contrast(i);
+ }
+
+ /* set backlight */
+ if (cfg_number(section, "Backlight", 0, 0, 1, &i) > 0) {
+ drv_BuE_CT_backlight(i);
+ }
+
+
+ /* identify modules */
+
+ for (i = 0; i < 8; i++) {
+ char cmd[5] = ESC "K?Pn";
+ cmd[4] = (char) i;
+ drv_generic_serial_write(cmd, 5); /* query I/O port */
+ usleep(10000);
+ if ((len = drv_generic_serial_read(buffer, 4)) == 4) {
+ char *type = NULL;
+ if (i == 0) {
+ if (buffer[3] == 8) {
+ /* internal port */
+ type = "CT 20x4 internal port";
+ } else {
+ error("%s: internal error: port 0 type %d should be type 8", Name, buffer[3]);
+ continue;
+ }
+ } else {
+ switch (buffer[3]) {
+ case 1: /* Key Module */
+ type = "XM-KEY-2x4-LED";
+ break;
+ case 8: /* I/O Module */
+ type = "XM-IO8-T";
+ break;
+ case 9: /* I/O Module */
+ type = "XM-IO4-R";
+ break;
+ case 15: /* nothing */
+ continue;
+ default: /* unhandled */
+ type = NULL;
+ break;
+ }
+ }
+ if (type != NULL) {
+ info("%s: Port %d: %s", Name, i, type);
+ } else {
+ error("%s: internal error: port %d unknown type %d", Name, i, cmd[3]);
+ }
+ } else {
+ error("%s: error fetching type of port %d", Name, i);
+ }
+ }
+
+ return 0;
+}
+
+
+static int drv_BuE_start(const char *section)
+{
+ int i, ret;
+ char *model;
+
+ model = cfg_get(section, "Model", NULL);
+ if (model == NULL && *model == '\0') {
+ error("%s: no '%s.Model' entry from %s", Name, section, cfg_source());
+ return -1;
+ }
+
+ for (i = 0; Models[i].name != NULL; i++) {
+ if (strcasecmp(Models[i].name, model) == 0)
+ break;
+ }
+
+ if (Models[i].name == NULL) {
+ error("%s: %s.Model '%s' is unknown from %s", Name, section, model, cfg_source());
+ return -1;
+ }
+
+ Model = i;
+ Protocol = Models[Model].protocol;
+
+ info("%s: using model '%s'", Name, Models[Model].name);
+
+ /* initialize global variables */
+ DROWS = Models[Model].rows;
+ DCOLS = Models[Model].cols;
+
+ ret = 0;
+ switch (Protocol) {
+ case 1:
+ ret = drv_BuE_MT_start(section);
+ break;
+ case 2:
+ ret = drv_BuE_CT_start(section);
+ break;
+ }
+ if (ret != 0) {
+ return ret;
+ }
+
+ drv_BuE_clear();
+
+ return 0;
+}
+
+
+/****************************************/
+/*** plugins ***/
+/****************************************/
+
+static void plugin_contrast(RESULT * result, const int argc, RESULT * argv[])
+{
+ double contrast;
+
+ switch (argc) {
+ case 0:
+ contrast = drv_BuE_CT_contrast(-1);
+ SetResult(&result, R_NUMBER, &contrast);
+ break;
+ case 1:
+ contrast = drv_BuE_CT_contrast(R2N(argv[0]));
+ SetResult(&result, R_NUMBER, &contrast);
+ break;
+ default:
+ error("%s::contrast(): wrong number of parameters", Name);
+ SetResult(&result, R_STRING, "");
+ }
+}
+
+
+static void plugin_backlight(RESULT * result, const int argc, RESULT * argv[])
+{
+ double backlight;
+
+ switch (argc) {
+ case 0:
+ backlight = drv_BuE_CT_backlight(-1);
+ SetResult(&result, R_NUMBER, &backlight);
+ break;
+ case 1:
+ backlight = drv_BuE_CT_backlight(R2N(argv[0]));
+ SetResult(&result, R_NUMBER, &backlight);
+ break;
+ default:
+ error("%s::backlight(): wrong number of parameters", Name);
+ SetResult(&result, R_STRING, "");
+ }
+}
+
+
+static void plugin_gpo(RESULT * result, const int argc, RESULT * argv[])
+{
+ double gpo;
+
+ switch (argc) {
+ case 1:
+ gpo = drv_BuE_CT_gpo(R2N(argv[0]), -1);
+ SetResult(&result, R_NUMBER, &gpo);
+ break;
+ case 2:
+ gpo = drv_BuE_CT_gpo(R2N(argv[0]), R2N(argv[1]));
+ SetResult(&result, R_NUMBER, &gpo);
+ break;
+ default:
+ error("%s::gpo(): wrong number of parameters", Name);
+ SetResult(&result, R_STRING, "");
+ }
+}
+
+
+static void plugin_gpi(RESULT * result, RESULT * arg1)
+{
+ double gpi;
+
+ gpi = drv_BuE_CT_gpi(R2N(arg1));
+ SetResult(&result, R_NUMBER, &gpi);
+}
+
+
+static void plugin_adc(RESULT * result)
+{
+ double adc;
+
+ adc = drv_BuE_CT_adc();
+ SetResult(&result, R_NUMBER, &adc);
+}
+
+
+static void plugin_pwm(RESULT * result, const int argc, RESULT * argv[])
+{
+ double pwm;
+
+ switch (argc) {
+ case 0:
+ pwm = drv_BuE_CT_pwm(-1);
+ SetResult(&result, R_NUMBER, &pwm);
+ break;
+ case 1:
+ pwm = drv_BuE_CT_pwm(R2N(argv[0]));
+ SetResult(&result, R_NUMBER, &pwm);
+ break;
+ default:
+ error("%s::pwm(): wrong number of parameters", Name);
+ SetResult(&result, R_STRING, "");
+ }
+}
+
+
+/****************************************/
+/*** widget callbacks ***/
+/****************************************/
+
+/* using drv_generic_text_draw(W) */
+/* using drv_generic_text_icon_draw(W) */
+/* using drv_generic_text_bar_draw(W) */
+
+
+/****************************************/
+/*** exported functions ***/
+/****************************************/
+
+
+/* list models */
+int drv_BuE_list(void)
+{
+ int i;
+
+ for (i = 0; Models[i].name != NULL; i++) {
+ printf("%s ", Models[i].name);
+ }
+ return 0;
+}
+
+
+/* initialize driver & display */
+int drv_BuE_init(const char *section, const int quiet)
+{
+ WIDGET_CLASS wc;
+ int ret;
+
+ info("%s: %s", Name, "$Rev: 840 $");
+
+ /* start display */
+ if ((ret = drv_BuE_start(section)) != 0) {
+ return ret;
+ }
+
+ /* display preferences */
+ XRES = 5; /* pixel width of one char */
+ YRES = 8; /* pixel height of one char */
+ CHARS = 8; /* number of user-defineable characters */
+
+ /* real worker functions */
+ switch (Protocol) {
+ case 1:
+ CHAR0 = 0; /* ASCII of first user-defineable char */
+ GOTO_COST = 6; /* number of bytes a goto command requires */
+ drv_generic_text_real_write = drv_BuE_MT_write;
+ drv_generic_text_real_defchar = drv_BuE_MT_defchar;
+ break;
+ case 2:
+ CHAR0 = 128; /* ASCII of first user-defineable char */
+ GOTO_COST = 6; /* number of bytes a goto command requires */
+ drv_generic_text_real_write = drv_BuE_CT_write;
+ drv_generic_text_real_defchar = drv_BuE_CT_defchar;
+ break;
+ }
+
+ if (!quiet) {
+ char buffer[40];
+ qprintf(buffer, sizeof(buffer), "%s %s", Name, Models[Model].name);
+ if (drv_generic_text_greet(buffer, "www.bue.com")) {
+ sleep(3);
+ drv_BuE_clear();
+ }
+ }
+
+ /* initialize generic text driver */
+ if ((ret = drv_generic_text_init(section, Name)) != 0)
+ return ret;
+
+ /* initialize generic icon driver */
+ if ((ret = drv_generic_text_icon_init()) != 0)
+ return ret;
+
+ /* initialize generic bar driver */
+ if ((ret = drv_generic_text_bar_init(0)) != 0)
+ return ret;
+
+ /* add fixed chars to the bar driver */
+ drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */
+ drv_generic_text_bar_add_segment(255, 255, 255, 255); /* ASCII 255 = block */
+
+ /* register text widget */
+ wc = Widget_Text;
+ wc.draw = drv_generic_text_draw;
+ widget_register(&wc);
+
+ /* register icon widget */
+ wc = Widget_Icon;
+ wc.draw = drv_generic_text_icon_draw;
+ widget_register(&wc);
+
+ /* register bar widget */
+ wc = Widget_Bar;
+ wc.draw = drv_generic_text_bar_draw;
+ widget_register(&wc);
+
+ /* register plugins */
+ AddFunction("LCD::contrast", -1, plugin_contrast);
+ AddFunction("LCD::backlight", -1, plugin_backlight);
+ AddFunction("LCD::gpo", -1, plugin_gpo);
+ AddFunction("LCD::gpi", 1, plugin_gpi);
+ AddFunction("LCD::adc", 0, plugin_adc);
+ AddFunction("LCD::pwm", -1, plugin_pwm);
+
+ return 0;
+}
+
+
+/* close driver & display */
+int drv_BuE_quit(const int quiet)
+{
+
+ info("%s: shutting down.", Name);
+
+ drv_generic_text_quit();
+
+ /* clear display */
+ drv_BuE_clear();
+
+ /* say goodbye... */
+ if (!quiet) {
+ drv_generic_text_greet("goodbye!", NULL);
+ }
+
+ drv_generic_serial_close();
+
+ return (0);
+}
+
+
+DRIVER drv_BeckmannEgle = {
+ .name = Name,
+ .list = drv_BuE_list,
+ .init = drv_BuE_init,
+ .quit = drv_BuE_quit,
+};