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;
}
