static int drv_BW_start(const char *section, const int quiet) { int contrast; int rows = -1, cols = -1; char *s; 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; if (drv_BW_open() < 0) { error("%s: could not find a BWCT USB LCD", Name); return -1; } /* reset */ drv_BW_send(LCD_RESET, 0); /* initialize display */ drv_BW_command(0x29); /* 8 Bit mode, 1/16 duty cycle, 5x8 font */ drv_BW_command(0x08); /* Display off, cursor off, blink off */ drv_BW_command(0x0c); /* Display on, cursor off, blink off */ drv_BW_command(0x06); /* curser moves to right, no shift */ if (cfg_number(section, "Contrast", 0, 0, 255, &contrast) > 0) { drv_BW_contrast(contrast); } drv_BW_clear(); /* clear display */ if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet(buffer, "www.bwct.de")) { sleep(3); drv_BW_clear(); } } return 0; }
/* close driver & display */ int drv_LT_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_LT_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } drv_generic_serial_close(); return (0); }
/* use this function for a text display */ int drv_FW8888_init(const char *section, const int quiet) { WIDGET_CLASS wc; int ret; info("%s: %s", Name, "$Rev$"); /* display preferences */ XRES = 5; /* pixel width of one char */ YRES = 7; /* pixel height of one char */ CHARS = 0; /* number of user-defineable characters */ CHAR0 = 0; /* ASCII of first user-defineable char */ /* real worker functions */ drv_generic_text_real_write = drv_FW8888_write; /* start display */ if ((ret = drv_FW8888_start(section)) != 0) return ret; if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet(buffer, "www.linum.com")) { sleep(3); drv_FW8888_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); /* register plugins */ // AddFunction("LCD::contrast", 1, plugin_contrast); return 0; }
static int drv_TF_start(const char *section, const int quiet) { int backlight; int rows = -1, cols = -1; char *s; 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 || drv_TF_valid_resolution(rows, cols) < 0) { error("%s: bad %s.Size '%s' (only 8x1/16x2/20x4) from %s", Name, section, s, cfg_source()); free(s); return -1; } DROWS = rows; DCOLS = cols; if (drv_TF_open() < 0) { error("%s: could not find a TREFON USB LCD", Name); return -1; } if (cfg_number(section, "Backlight", 1, 0, 1, &backlight) > 0) { drv_TF_backlight(backlight); } drv_TF_clear(); /* clear display */ if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet(buffer, "www.trefon.de")) { sleep(3); drv_TF_clear(); } } return 0; }
/* close driver & display */ int drv_TF_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_TF_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } debug("closing USB connection"); drv_TF_close(); return (0); }
/* close driver & display */ int drv_LL_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_LL_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } /* Enable control characters interpretation. */ /* No return value check since this ioctl cannot fail */ ioctl(lcdlinux_fd, LCDL_RAW_MODE, 0); /* close device */ close(lcdlinux_fd); return (0); }
/* close driver & display */ int drv_MO_quit(const int quiet) { info("%s: shutting down display.", Name); drv_generic_text_quit(); drv_generic_gpio_quit(); /* clear display */ drv_MO_clear(); usleep(300000); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } usleep(300000); drv_generic_serial_close(); return (0); }
static int drv_LL_start(const char *section, const int quiet) { char *s; int rows = -1, cols = -1; int use_busy = 0, bus4bits = 0, commit = 0; struct lcd_parameters buf; /* emit version information */ info("%s: Version %s", Name, LCD_LINUX_VERSION); /* get size from config file */ s = cfg_get(section, "Size", NULL); if (s != NULL || *s != '\0') { 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; } } free(s); /* open device */ lcdlinux_fd = open(Device, O_WRONLY); if (lcdlinux_fd == -1) { error("%s: open(%s) failed: %s", Name, Device, strerror(errno)); return -1; } /* get display size */ memset(&buf, 0, sizeof(buf)); if (ioctl(lcdlinux_fd, LCDL_GET_PARAM, &buf) != 0) { error("%s: ioctl(LCDL_GET_PARAM) failed: %s", Name, strerror(errno)); error("%s: Could not query display information!", Name); return -1; } info("%s: %dx%d display with %d controllers, flags=0x%02lx:", Name, buf.cntr_cols, buf.cntr_rows * buf.num_cntr, buf.num_cntr, buf.flags); info("%s: busy-flag checking %sabled", Name, (buf.flags & HD44780_CHECK_BF) ? "en" : "dis"); info("%s: bus width %d bits", Name, (buf.flags & HD44780_4BITS_BUS) ? 4 : 8); info("%s: font size %s", Name, (buf.flags & HD44780_5X10_FONT) ? "5x10" : "5x8"); /* overwrite width size from lcd4linux.conf */ if (buf.vs_rows || buf.vs_cols) { info("%s: disabling virtual screen", Name); buf.vs_rows = 0; buf.vs_cols = 0; commit = 1; } if ((rows > 0 && rows != buf.cntr_rows * buf.num_cntr) || (cols > 0 && cols != buf.cntr_cols)) { info("%s: changing size to %dx%d", Name, cols, rows); buf.cntr_rows = rows / buf.num_cntr; buf.cntr_cols = cols; commit = 1; } DROWS = buf.cntr_rows * buf.num_cntr; DCOLS = buf.cntr_cols; /* overwrite busy-flag checking from lcd4linux.conf */ cfg_number(section, "UseBusy", 0, 0, 1, &use_busy); if (use_busy && !(buf.flags & HD44780_CHECK_BF)) { info("%s: activating busy-flag checking", Name); buf.flags |= HD44780_CHECK_BF; commit = 1; } else if (!use_busy && (buf.flags & HD44780_CHECK_BF)) { info("%s: deactivating busy-flag checking", Name); buf.flags &= ~HD44780_CHECK_BF; commit = 1; } /* overwrite bus length from lcd4linux.conf */ cfg_number(section, "Bus4Bit", 0, 0, 1, &bus4bits); if (bus4bits && !(buf.flags & HD44780_4BITS_BUS)) { info("%s: setting bus length to 4 bits", Name); buf.flags |= HD44780_4BITS_BUS; commit = 1; } else if (!bus4bits && (buf.flags & HD44780_4BITS_BUS)) { info("%s: setting bus length to 8 bits", Name); buf.flags &= ~HD44780_4BITS_BUS; commit = 1; } if (commit && ioctl(lcdlinux_fd, LCDL_SET_PARAM, &buf) != 0) { error("%s: ioctl(LCDL_SET_PARAM) failed: %s", Name, strerror(errno)); return -1; } /* initialize display */ drv_LL_clear(); /* clear display */ /* Disable control characters interpretation. */ /* No return value check since this ioctl cannot fail */ ioctl(lcdlinux_fd, LCDL_RAW_MODE, 1); if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet(buffer, "lcd-linux.sf.net")) { sleep(3); drv_LL_clear(); } } return 0; }
static int drv_MO_start(const char *section, const int quiet) { int i; char *model; char buffer[256]; model = cfg_get(section, "Model", NULL); if (model != NULL && *model != '\0') { for (i = 0; Models[i].type != 0xff; i++) { if (strcasecmp(Models[i].name, model) == 0) break; } if (Models[i].type == 0xff) { error("%s: %s.Model '%s' is unknown from %s", Name, section, model, cfg_source()); return -1; } Model = i; info("%s: using model '%s'", Name, Models[Model].name); } else { info("%s: no '%s.Model' entry from %s, auto-dedecting", Name, section, cfg_source()); Model = -1; } if (Model != -1 && Models[Model].protocol == 3) { // Sure electronics USB LCD board - full line output int i, j; for (i = 0; i < Models[Model].rows; i++) { // Clear buffer for (j = 0; j < Models[Model].cols; j++) { dispBuffer[i][j] = ' '; } } } if (drv_generic_serial_open(section, Name, 0) < 0) return -1; if (Model == -1 || Models[Model].protocol > 1) { /* read module type */ drv_generic_serial_write("\3767", 2); usleep(1000); if (drv_generic_serial_read(buffer, 1) == 1) { for (i = 0; Models[i].type != 0xff; i++) { if (Models[i].type == (int) *buffer) break; } info("%s: display reports model '%s' (type 0x%02x)", Name, Models[i].name, Models[i].type); /* auto-dedection */ if (Model == -1) Model = i; /* auto-dedection matches specified model? */ if (Models[i].type != 0xff && Model != i) { error("%s: %s.Model '%s' from %s does not match dedected Model '%s'", Name, section, model, cfg_source(), Models[i].name); return -1; } } else { info("%s: display detection failed.", Name); } } /* initialize global variables */ DROWS = Models[Model].rows; DCOLS = Models[Model].cols; GPIS = Models[Model].gpis; GPOS = Models[Model].gpos; Protocol = Models[Model].protocol; if (Protocol > 1) { /* read serial number */ drv_generic_serial_write("\3765", 2); usleep(100000); if (drv_generic_serial_read(buffer, 2) == 2) { info("%s: display reports serial number 0x%x", Name, *(short *) buffer); } /* read version number */ drv_generic_serial_write("\3766", 2); usleep(100000); if (drv_generic_serial_read(buffer, 1) == 1) { info("%s: display reports firmware version 0x%x", Name, *buffer); } } drv_MO_clear(); drv_generic_serial_write("\376B", 3); /* backlight on */ drv_generic_serial_write("\376K", 2); /* cursor off */ drv_generic_serial_write("\376T", 2); /* blink off */ drv_generic_serial_write("\376D", 2); /* line wrapping off */ drv_generic_serial_write("\376R", 2); /* auto scroll off */ /* set contrast */ if (cfg_number(section, "Contrast", 0, 0, 255, &i) > 0) { drv_MO_contrast(i); } /* set backlight */ if (cfg_number(section, "Backlight", 0, 0, 255, &i) > 0) { drv_MO_backlight(i); } if (!quiet) { if (drv_generic_text_greet(Models[Model].name, "MatrixOrbital")) { sleep(3); drv_MO_clear(); } } return 0; }
/* initialize driver & display */ int drv_Pertelian_init(const char *section, const int quiet) { WIDGET_CLASS wc; int ret; info("%s: %s", Name, "$Rev: 975 $"); /* display preferences */ XRES = 5; /* pixel width of one char */ YRES = 8; /* pixel height of one char */ CHARS = 8; /* number of user-defineable characters */ CHAR0 = 0; /* ASCII of first user-defineable char */ GOTO_COST = 2; /* number of bytes a goto command requires */ /* real worker functions */ drv_generic_text_real_write = drv_Pertelian_write; drv_generic_text_real_defchar = drv_Pertelian_defchar; /* start display */ if ((ret = drv_Pertelian_start(section)) != 0) return ret; if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet(buffer, "LinITX.com")) { sleep(3); drv_Pertelian_clear(); } } /* initialize generic text driver */ if ((ret = drv_generic_text_init(section, Name)) != 0) return ret; /* initialize generic icon driver */ if ((ret = drv_generic_text_icon_init()) != 0) return ret; /* initialize generic bar driver */ if ((ret = drv_generic_text_bar_init(0)) != 0) return ret; /* add fixed chars to the bar driver */ drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */ /* register text widget */ wc = Widget_Text; wc.draw = drv_generic_text_draw; widget_register(&wc); /* register icon widget */ wc = Widget_Icon; wc.draw = drv_generic_text_icon_draw; widget_register(&wc); /* register bar widget */ wc = Widget_Bar; wc.draw = drv_generic_text_bar_draw; widget_register(&wc); AddFunction("LCD::backlight", 1, plugin_backlight); return 0; }
/* initialize driver & display */ int drv_BuE_init(const char *section, const int quiet) { WIDGET_CLASS wc; int ret; info("%s: %s", Name, "$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; }