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04ab5a64939e2d6e347df0ce4e88bc63af1df4ef
lcdproc/server/drivers/CFontz.c
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/* This is the LCDproc driver for CrystalFontz devices (http://crystalfontz.com)
Copyright (C) 2001 ????
This program 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 of the License, or
any later version.
This program 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 */
/* configfile support added by Rene Wagner (c) 2001 */
/* backlight support modified by Rene Wagner (c) 2001 */
/* block patch by Eddie Sheldrake (c) 2001 inserted by Rene Wagner */
/* big num patch by Luis Llorente (c) 2002 */
/* adaptions to other CFontz* drivers Peter Marschall (c) 2005/6 */
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <termios.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <syslog.h>
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "lcd.h"
#include "CFontz.h"
#include "report.h"
#include "lcd_lib.h"
#include "CFontz-charmap.h"
#include "adv_bignum.h"
/* Constants for userdefchar_mode */
#define NUM_CCs 8 /* max. number of custom characters */
typedef enum {
standard, /* only char 0 is used for heartbeat */
vbar, /* vertical bars */
hbar, /* horizontal bars */
custom, /* custom settings */
bignum, /* big numbers */
bigchar /* big characters */
} CGmode;
typedef struct driver_private_data {
char device[200];
int fd;
int model;
int newfirmware;
/* dimensions */
int width, height;
int cellwidth, cellheight;
/* framebuffer and buffer for old LCD contents */
unsigned char *framebuf;
unsigned char *backingstore;
/* defineable characters */
CGmode ccmode;
int contrast;
int brightness;
int offbrightness;
} PrivateData;
// Vars for the server core
MODULE_EXPORT char *api_version = API_VERSION;
MODULE_EXPORT int stay_in_foreground = 1;
MODULE_EXPORT int supports_multiple = 0;
MODULE_EXPORT char *symbol_prefix = "CFontz_";
// Internal functions
static void CFontz_linewrap(Driver *drvthis, int on);
static void CFontz_autoscroll(Driver *drvthis, int on);
static void CFontz_hidecursor(Driver *drvthis);
static void CFontz_reboot(Driver *drvthis);
static void CFontz_cursor_goto(Driver *drvthis, int x, int y);
static void CFontz_raw_chr(Driver *drvthis, int x, int y, unsigned char c);
// TODO: Get the frame buffers working right
/**
* Initialize the driver.
* \param drvthis Pointer to driver structure.
* \return Information of success (0) or failure (non-0).
*/
MODULE_EXPORT int
CFontz_init(Driver *drvthis)
{
struct termios portset;
int tmp, w, h;
int reboot = 0;
int usb = 0;
int speed = DEFAULT_SPEED;
char size[200] = DEFAULT_SIZE;
PrivateData *p;
/* Allocate and store private data */
p = (PrivateData *) calloc(1, sizeof(PrivateData));
if (p == NULL)
return -1;
if (drvthis->store_private_ptr(drvthis, p))
return -1;
/* Initialize the PrivateData structure */
p->fd = -1;
p->cellwidth = DEFAULT_CELL_WIDTH;
p->cellheight = DEFAULT_CELL_HEIGHT;
p->ccmode = standard;
debug(RPT_INFO, "CFontz: init(%p)", drvthis);
/* Read config file */
/* Which device should be used */
strncpy(p->device, drvthis->config_get_string(drvthis->name, "Device", 0, DEFAULT_DEVICE), sizeof(p->device));
p->device[sizeof(p->device)-1] = '\0';
report(RPT_INFO, "%s: using Device %s", drvthis->name, p->device);
/* Which size */
strncpy(size, drvthis->config_get_string(drvthis->name, "Size", 0, DEFAULT_SIZE), sizeof(size));
size[sizeof(size)-1] = '\0';
if ((sscanf(size, "%dx%d", &w, &h) != 2)
|| (w <= 0) || (w > LCD_MAX_WIDTH)
|| (h <= 0) || (h > LCD_MAX_HEIGHT)) {
report(RPT_WARNING, "%s: cannot read Size: %s; using default %s",
drvthis->name, size, DEFAULT_SIZE);
sscanf(DEFAULT_SIZE, "%dx%d", &w, &h);
}
p->width = w;
p->height = h;
/* Which contrast */
tmp = drvthis->config_get_int(drvthis->name, "Contrast", 0, DEFAULT_CONTRAST);
if ((tmp < 0) || (tmp > 1000)) {
report(RPT_WARNING, "%s: Contrast must be between 0 and 1000; using default %d",
drvthis->name, DEFAULT_CONTRAST);
tmp = DEFAULT_CONTRAST;
}
p->contrast = tmp;
/* Which backlight brightness */
tmp = drvthis->config_get_int(drvthis->name, "Brightness", 0, DEFAULT_BRIGHTNESS);
if ((tmp < 0) || (tmp > 1000)) {
report(RPT_WARNING, "%s: Brightness must be between 0 and 1000; using default %d",
drvthis->name, DEFAULT_BRIGHTNESS);
tmp = DEFAULT_BRIGHTNESS;
}
p->brightness = tmp;
/* Which backlight-off "brightness" */
tmp = drvthis->config_get_int(drvthis->name, "OffBrightness", 0, DEFAULT_OFFBRIGHTNESS);
if ((tmp < 0) || (tmp > 1000)) {
report(RPT_WARNING, "%s: OffBrightness must be between 0 and 1000; using default %d",
drvthis->name, DEFAULT_OFFBRIGHTNESS);
tmp = DEFAULT_OFFBRIGHTNESS;
}
p->offbrightness = tmp;
/* Which speed */
tmp = drvthis->config_get_int(drvthis->name, "Speed", 0, DEFAULT_SPEED);
if (tmp == 1200) speed = B1200;
else if (tmp == 2400) speed = B2400;
else if (tmp == 9600) speed = B9600;
else if (tmp == 19200) speed = B19200;
else if (tmp == 115200) speed = B115200;
else {
report(RPT_WARNING, "%s: Speed must be 1200, 2400, 9600, 19200 or 115200; using default %d",
drvthis->name, DEFAULT_SPEED);
speed = DEFAULT_SPEED;
}
/* New firmware version? */
p->newfirmware = drvthis->config_get_bool(drvthis->name, "NewFirmware", 0, 0);
/* Reboot display? */
reboot = drvthis->config_get_bool(drvthis->name, "Reboot", 0, 0);
/* Am I USB or not? */
usb = drvthis->config_get_bool(drvthis->name, "USB", 0, 0);
/* Set up io port correctly, and open it... */
debug(RPT_DEBUG, "CFontz: Opening device: %s", p->device);
p->fd = open(p->device, (usb) ? (O_RDWR | O_NOCTTY) : (O_RDWR | O_NOCTTY | O_NDELAY));
if (p->fd == -1) {
report(RPT_ERR, "%s: open(%s) failed (%s)",
drvthis->name, p->device, strerror(errno));
return -1;
}
tcgetattr(p->fd, &portset);
/* We use RAW mode */
if (usb) {
/* The USB way */
portset.c_iflag &= ~( IGNBRK | BRKINT | PARMRK | ISTRIP
| INLCR | IGNCR | ICRNL | IXON );
portset.c_oflag &= ~OPOST;
portset.c_lflag &= ~( ECHO | ECHONL | ICANON | ISIG | IEXTEN );
portset.c_cflag &= ~( CSIZE | PARENB | CRTSCTS );
portset.c_cflag |= CS8 | CREAD | CLOCAL ;
portset.c_cc[VMIN] = 1;
portset.c_cc[VTIME] = 3;
} else {
#ifdef HAVE_CFMAKERAW
/* The easy way */
cfmakeraw(&portset);
#else
/* The hard way */
portset.c_iflag &= ~( IGNBRK | BRKINT | PARMRK | ISTRIP
| INLCR | IGNCR | ICRNL | IXON );
portset.c_oflag &= ~OPOST;
portset.c_lflag &= ~( ECHO | ECHONL | ICANON | ISIG | IEXTEN );
portset.c_cflag &= ~( CSIZE | PARENB | CRTSCTS );
portset.c_cflag |= CS8 | CREAD | CLOCAL ;
#endif
}
/* Set port speed */
cfsetospeed(&portset, speed);
cfsetispeed(&portset, B0);
/* Do it... */
tcsetattr(p->fd, TCSANOW, &portset);
/* make sure the frame buffer is there... */
p->framebuf = (unsigned char *) malloc(p->width * p->height);
if (p->framebuf == NULL) {
report(RPT_ERR, "%s: unable to create framebuffer", drvthis->name);
return -1;
}
memset(p->framebuf, ' ', p->width * p->height);
// Set display-specific stuff..
if (reboot) {
report(RPT_INFO, "%s: rebooting LCD...", drvthis->name);
CFontz_reboot(drvthis);
}
sleep (1);
CFontz_hidecursor(drvthis);
CFontz_linewrap(drvthis, 1);
CFontz_autoscroll(drvthis, 0);
//CFontz_backlight(drvthis, backlight_brightness); // render.c variables should not be used in drivers !
CFontz_set_contrast(drvthis, p->contrast);
report(RPT_DEBUG, "%s: init() done", drvthis->name);
return 1;
}
/**
* Close the driver (do necessary clean-up).
* \param drvthis Pointer to driver structure.
*/
MODULE_EXPORT void
CFontz_close(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
if (p != NULL) {
if (p->fd >= 0)
close(p->fd);
if (p->framebuf)
free(p->framebuf);
p->framebuf = NULL;
free(p);
}
drvthis->store_private_ptr(drvthis, NULL);
}
/**
* Return the display width in characters.
* \param drvthis Pointer to driver structure.
* \return Number of characters the display is wide.
*/
MODULE_EXPORT int
CFontz_width(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
return p->width;
}
/**
* Return the display height in characters.
* \param drvthis Pointer to driver structure.
* \return Number of characters the display is high.
*/
MODULE_EXPORT int
CFontz_height(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
return p->height;
}
/**
* Return the width of a character in pixels.
* \param drvthis Pointer to driver structure.
* \return Number of pixel columns a character cell is wide.
*/
MODULE_EXPORT int
CFontz_cellwidth(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
return p->cellwidth;
}
/**
* Return the height of a character in pixels.
* \param drvthis Pointer to driver structure.
* \return Number of pixel lines a character cell is high.
*/
MODULE_EXPORT int
CFontz_cellheight(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
return p->cellheight;
}
/**
* Flush data on screen to the LCD.
* \param drvthis Pointer to driver structure.
*/
MODULE_EXPORT void
CFontz_flush(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
int i;
if (p->newfirmware) {
unsigned char out[3 * LCD_MAX_WIDTH];
for (i = 0; i < p->height; i++) {
unsigned char *ptr = out;
int j;
/* move cursor to start of (i+1)'th line */
CFontz_cursor_goto(drvthis, 1, i+1);
for (j = 0; j < p->width; j++) {
unsigned char c = p->framebuf[(i * p->width) + j];
/* characters that need to be treated special */
if ((c < 0x20) || ((c >= 0x80) && (c < 0x88))) {
if (c < 0x08) {
// custom chars are at position 0x80 - 0x87
c += 0x80;
}
else {
// send data directly to LCD
*ptr++ = CFONTZ_Send_Data_Directly_To_LCD;
*ptr++ = 0x01;
}
}
*ptr++ = c;
}
write(p->fd, out, (ptr - out));
}
}
else {
// Custom characters start at 0x80, not at 0.
for (i = 0; i < p->width * p->height; i++) {
if (p->framebuf[i] < 32)
p->framebuf[i] += 0x80;
}
for (i = 0; i < p->height; i++) {
/* move cursor to start of (i+1)'th line */
CFontz_cursor_goto(drvthis, 1, i+1);
write(p->fd, p->framebuf + (p->width * i), p->width);
}
}
}
/**
* Print a character on the screen at position (x,y).
* The upper-left corner is (1,1), the lower-right corner is (p->width, p->height).
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param y Vertical character position (row).
* \param c Character that gets written.
*/
MODULE_EXPORT void
CFontz_chr(Driver *drvthis, int x, int y, unsigned char c)
{
PrivateData *p = drvthis->private_data;
y--;
x--;
if ((x >= 0) && (y >= 0) && (x < p->width) && (y < p->height))
p->framebuf[(y * p->width) + x] = (p->newfirmware)
? CFontz_charmap[(unsigned) c]
: c;
}
/**
* Print a raw character on the screen at position (x,y).
* The upper-left corner is (1,1), the lower-right corner is (p->width, p->height).
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param y Vertical character position (row).
* \param c Character that gets written.
*/
static void
CFontz_raw_chr(Driver *drvthis, int x, int y, unsigned char c)
{
PrivateData *p = drvthis->private_data;
y--;
x--;
if ((x >= 0) && (y >= 0) && (x < p->width) && (y < p->height))
p->framebuf[(y * p->width) + x] = c;
}
/**
* Get current LCD contrast.
* This is only the locally stored contrast, the contrast value
* cannot be retrieved from the LCD.
* \param drvthis Pointer to driver structure.
* \return Stored contrast in promille.
*/
MODULE_EXPORT int
CFontz_get_contrast(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
return p->contrast;
}
/**
* Change LCD contrast.
* \param drvthis Pointer to driver structure.
* \param promille New contrast value in promille.
*/
MODULE_EXPORT void
CFontz_set_contrast(Driver *drvthis, int promille)
{
PrivateData *p = drvthis->private_data;
char out[4] = { CFONTZ_Contrast_Control, 0 };
// Check it
if ((promille < 0) || (promille > 1000))
return;
// Store it
p->contrast = promille;
// And do it (converted from [0,1000] - > [0,100])
out[1] = (unsigned char) (promille / 10);
write(p->fd, out, 2);
}
/**
* Retrieve brightness.
* \param drvthis Pointer to driver structure.
* \param state Brightness state (on/off) for which we want the value.
* \return Stored brightness in promille.
*/
MODULE_EXPORT int
CFontz_get_brightness(Driver *drvthis, int state)
{
PrivateData *p = drvthis->private_data;
return (state == BACKLIGHT_ON) ? p->brightness : p->offbrightness;
}
/**
* Set on/off brightness.
* \param drvthis Pointer to driver structure.
* \param state Brightness state (on/off) for which we want to store the value.
* \param promille New brightness in promille.
*/
MODULE_EXPORT void
CFontz_set_brightness(Driver *drvthis, int state, int promille)
{
PrivateData *p = drvthis->private_data;
/* Check it */
if (promille < 0 || promille > 1000)
return;
/* store the software value since there is not get */
if (state == BACKLIGHT_ON) {
p->brightness = promille;
//CFontz_backlight(drvthis, BACKLIGHT_ON);
}
else {
p->offbrightness = promille;
//CFontz_backlight(drvthis, BACKLIGHT_OFF);
}
}
/**
* Turn the LCD backlight on or off.
* \param drvthis Pointer to driver structure.
* \param on New backlight status.
*/
MODULE_EXPORT void
CFontz_backlight(Driver *drvthis, int on)
{
PrivateData *p = drvthis->private_data;
unsigned char out[4] = { CFONTZ_Backlight_Control, 0 };
int promille = (on == BACKLIGHT_ON) ? p->brightness : p->offbrightness;
/* map range [0, 1000] -> [0, 100] that the hardware understands */
out[1] = (unsigned char) (promille / 10);
write(p->fd, out, 2);
}
/**
* Turn the LCD's built-in linewrapping feature on or off.
* \param drvthis Pointer to driver structure.
* \param on New state.
*/
static void
CFontz_linewrap(Driver *drvthis, int on)
{
PrivateData *p = drvthis->private_data;
char out[4];
out[0] = (on) ? CFONTZ_Wrap_On : CFONTZ_Wrap_Off;
write(p->fd, out, 1);
}
/**
* Turn the LCD's built-in automatic scrolling feature on or off.
* \param drvthis Pointer to driver structure.
* \param on New state.
*/
static void
CFontz_autoscroll(Driver *drvthis, int on)
{
PrivateData *p = drvthis->private_data;
char out[4];
out[0] = (on) ? CFONTZ_Scroll_On : CFONTZ_Scroll_Off;
write(p->fd, out, 1);
}
/**
* Get rid of the blinking cursor.
* \param drvthis Pointer to driver structure.
*/
static void
CFontz_hidecursor(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
char out[4] = { CFONTZ_Hide_Cursor };
write(p->fd, out, 1);
}
/**
* Reset the LCD display.
* \param drvthis Pointer to driver structure.
*/
static void
CFontz_reboot(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
char out[4] = { CFONTZ_Reboot, CFONTZ_Reboot };
write(p->fd, out, 2);
sleep(4);
}
/**
* Move cursor to position (x,y).
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param y Vertical character position (row).
*/
static void
CFontz_cursor_goto(Driver *drvthis, int x, int y)
{
PrivateData *p = drvthis->private_data;
unsigned char out[4] = { CFONTZ_Set_Cursor_Position, 0, 0 };
/* set cursor position */
if ((x > 0) && (x <= p->width))
out[1] = (unsigned char) (x - 1);
if ((y > 0) && (y <= p->height))
out[2] = (unsigned char) (y - 1);
write(p->fd, out, 3);
}
/**
* Draw a vertical bar bottom-up.
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column) of the starting point.
* \param y Vertical character position (row) of the starting point.
* \param len Number of characters that the bar is high at 100%
* \param promille Current height level of the bar in promille.
* \param options Options (currently unused).
*/
MODULE_EXPORT void
CFontz_vbar(Driver *drvthis, int x, int y, int len, int promille, int options)
{
PrivateData *p = drvthis->private_data;
if (p->ccmode != vbar) {
unsigned char vBar[p->cellheight];
int i;
if (p->ccmode != standard) {
/* Not supported(yet) */
report(RPT_WARNING, "%s: vbar: cannot combine two modes using user-defined characters",
drvthis->name);
return;
}
p->ccmode = vbar;
memset(vBar, 0x00, sizeof(vBar));
for (i = 1; i < p->cellheight; i++) {
// add pixel line per pixel line ...
// NOTE: cellwidth != bar width: 0x1F = 0xFF & ((1 << (p->cellwidth - 1)) - 1)
vBar[p->cellheight - i] = 0x1F;
CFontz_set_char(drvthis, i, vBar);
}
}
lib_vbar_static(drvthis, x, y, len, promille, options, p->cellheight, 0);
}
/**
* Draw a horizontal bar to the right.
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column) of the starting point.
* \param y Vertical character position (row) of the starting point.
* \param len Number of characters that the bar is long at 100%
* \param promille Current length level of the bar in promille.
* \param options Options (currently unused).
*/
MODULE_EXPORT void
CFontz_hbar(Driver *drvthis, int x, int y, int len, int promille, int options)
{
PrivateData *p = drvthis->private_data;
if (p->ccmode != hbar) {
unsigned char hBar[p->cellheight];
int i;
if (p->ccmode != standard) {
/* Not supported(yet) */
report(RPT_WARNING, "%s: hbar: cannot combine two modes using user-defined characters",
drvthis->name);
return;
}
p->ccmode = hbar;
memset(hBar, 0x00, sizeof(hBar));
for (i = 1; i <= p->cellwidth; i++) {
// fill pixel columns from left to right.
memset(hBar, 0xFF & ~((1 << (p->cellwidth - i)) - 1), sizeof(hBar)-1);
CFontz_set_char(drvthis, i, hBar);
}
}
lib_hbar_static(drvthis, x, y, len, promille, options, p->cellwidth, 0);
}
/**
* Write a big number to the screen.
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param num Character to write (0 - 10 with 10 representing ':')
*/
MODULE_EXPORT void
CFontz_num(Driver *drvthis, int x, int num)
{
PrivateData *p = drvthis->private_data;
int do_init = 0;
if ((num < 0) || (num > 10))
return;
if (p->ccmode != bignum) {
if (p->ccmode != standard) {
/* Not supported (yet) */
report(RPT_WARNING, "%s: num: cannot combine two modes using user-defined characters",
drvthis->name);
return;
}
p->ccmode = bignum;
do_init = 1;
}
// Lib_adv_bignum does everything needed to show the bignumbers.
lib_adv_bignum(drvthis, x, num, 0, do_init);
}
/**
* Get number of custom characters available.
* \param drvthis Pointer to driver structure.
* \return Number of custom characters (always NUM_CCs).
*/
MODULE_EXPORT int
CFontz_get_free_chars(Driver *drvthis)
{
//PrivateData *p = drvthis->private_data;
return NUM_CCs;
}
/**
* Define a custom character and write it to the LCD.
* \param drvthis Pointer to driver structure.
* \param n Custom character to define [0 - (NUM_CCs-1)].
* \param dat Array of 8(=cellheight) bytes, each representing a pixel row
* starting from the top to bottom.
* The bits in each byte represent the pixels where the LSB
* (least significant bit) is the rightmost pixel in each pixel row.
*/
MODULE_EXPORT void
CFontz_set_char(Driver *drvthis, int n, unsigned char *dat)
{
PrivateData *p = drvthis->private_data;
unsigned char out[4 + p->cellheight];
unsigned char mask = (1 << p->cellwidth) - 1;
int row;
if ((n < 0) || (n >= NUM_CCs))
return;
if (!dat)
return;
/* define the n'th custom character */
out[0] = CFONTZ_Set_Custom_Char;
out[1] = n;
for (row = 0; row < p->cellheight; row++) {
out[2+row] = dat[row] & mask;
}
write(p->fd, out, 2 + p->cellheight);
}
/**
* Place an icon on the screen.
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param y Vertical character position (row).
* \param icon synbolic value representing the icon.
* \return Information whether the icon is handled here or needs to be handled by the server core.
*/
MODULE_EXPORT int
CFontz_icon(Driver *drvthis, int x, int y, int icon)
{
PrivateData *p = drvthis->private_data;
static unsigned char heart_open[] =
{ b__XXXXX,
b__X_X_X,
b_______,
b_______,
b_______,
b__X___X,
b__XX_XX,
b__XXXXX };
static unsigned char heart_filled[] =
{ b__XXXXX,
b__X_X_X,
b___X_X_,
b___XXX_,
b___XXX_,
b__X_X_X,
b__XX_XX,
b__XXXXX };
/*
static unsigned char arrow_up[] =
{ b____X__,
b___XXX_,
b__X_X_X,
b____X__,
b____X__,
b____X__,
b____X__,
b_______ };
static unsigned char arrow_down[] =
{ b____X__,
b____X__,
b____X__,
b____X__,
b__X_X_X,
b___XXX_,
b____X__,
b_______ };
static unsigned char arrow_left[] =
{ b_______,
b____X__,
b___X___,
b__XXXXX,
b___X___,
b____X__,
b_______,
b_______ };
static unsigned char arrow_right[] =
{ b_______,
b____X__,
b_____X_,
b__XXXXX,
b_____X_,
b____X__,
b_______,
b_______ };
*/
static unsigned char checkbox_off[] =
{ b_______,
b_______,
b__XXXXX,
b__X___X,
b__X___X,
b__X___X,
b__XXXXX,
b_______ };
static unsigned char checkbox_on[] =
{ b____X__,
b____X__,
b__XXX_X,
b__X_XX_,
b__X_X_X,
b__X___X,
b__XXXXX,
b_______ };
static unsigned char checkbox_gray[] =
{ b_______,
b_______,
b__XXXXX,
b__X_X_X,
b__XX_XX,
b__X_X_X,
b__XXXXX,
b_______ };
/*
static unsigned char selector_left[] =
{ b___X___,
b___XX__,
b___XXX_,
b___XXXX,
b___XXX_,
b___XX__,
b___X___,
b_______ };
static unsigned char selector_right[] =
{ b_____X_,
b____XX_,
b___XXX_,
b__XXXX_,
b___XXX_,
b____XX_,
b_____X_,
b_______ };
static unsigned char ellipsis[] =
{ b_______,
b_______,
b_______,
b_______,
b_______,
b_______,
b__X_X_X,
b_______ };
static unsigned char block_filled[] =
{ b__XXXXX,
b__XXXXX,
b__XXXXX,
b__XXXXX,
b__XXXXX,
b__XXXXX,
b__XXXXX,
b__XXXXX };
*/
/* Yes we know, this is a VERY BAD implementation :-) */
switch (icon) {
case ICON_BLOCK_FILLED:
CFontz_raw_chr(drvthis, x, y, (p->newfirmware) ? 214 : 255);
break;
case ICON_HEART_FILLED:
CFontz_set_char(drvthis, 0, heart_filled);
CFontz_raw_chr(drvthis, x, y, 0);
break;
case ICON_HEART_OPEN:
CFontz_set_char(drvthis, 0, heart_open);
CFontz_raw_chr(drvthis, x, y, 0);
break;
case ICON_ARROW_UP:
CFontz_raw_chr(drvthis, x, y, 0xDE);
break;
case ICON_ARROW_DOWN:
CFontz_raw_chr(drvthis, x, y, 0xE0);
break;
case ICON_ARROW_LEFT:
CFontz_raw_chr(drvthis, x, y, 0xE1);
break;
case ICON_ARROW_RIGHT:
CFontz_raw_chr(drvthis, x, y, 0xDF);
break;
case ICON_CHECKBOX_OFF:
CFontz_set_char(drvthis, 3, checkbox_off);
CFontz_raw_chr(drvthis, x, y, 3);
break;
case ICON_CHECKBOX_ON:
CFontz_set_char(drvthis, 4, checkbox_on);
CFontz_raw_chr(drvthis, x, y, 4);
break;
case ICON_CHECKBOX_GRAY:
CFontz_set_char(drvthis, 5, checkbox_gray);
CFontz_raw_chr(drvthis, x, y, 5);
break;
default:
return -1; /* Let the core do other icons */
}
return 0;
}
/**
* Set cursor position and state.
* \param drvthis Pointer to driver structure.
* \param x Horizontal cursor position (column).
* \param y Vertical cursor position (row).
* \param state New cursor state.
*/
MODULE_EXPORT void
CFontz_cursor(Driver *drvthis, int x, int y, int state)
{
PrivateData *p = (PrivateData *) drvthis->private_data;
unsigned char stylecmd[1];
/* set cursor state */
switch (state) {
case CURSOR_OFF: // no cursor
stylecmd[0] = CFONTZ_Hide_Cursor;
break;
case CURSOR_UNDER: // underline cursor
stylecmd[0] = CFONTZ_Show_Underline_Cursor;
break;
case CURSOR_BLOCK: // inverting blinking block
stylecmd[0] = CFONTZ_Show_Inverting_Block_Cursor;
break;
case CURSOR_DEFAULT_ON: // blinking block
default:
stylecmd[0] = CFONTZ_Show_Block_Cursor;
break;
}
write(p->fd, stylecmd, 1);
/* set cursor position */
CFontz_cursor_goto(drvthis, x, y);
}
/**
* Clear the screen.
* \param drvthis Pointer to driver structure.
*/
MODULE_EXPORT void
CFontz_clear(Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
memset(p->framebuf, ' ', p->width * p->height);
p->ccmode = standard;
}
/**
* Print a string on the screen at position (x,y).
* The upper-left corner is (1,1), the lower-right corner is (p->width, p->height).
* \param drvthis Pointer to driver structure.
* \param x Horizontal character position (column).
* \param y Vertical character position (row).
* \param string String that gets written.
*/
MODULE_EXPORT void
CFontz_string(Driver *drvthis, int x, int y, unsigned char string[])
{
PrivateData *p = drvthis->private_data;
int i;
/* Convert 1-based coords to 0-based... */
x--;
y--;
if ((y < 0) || (y >= p->height))
return;
for (i = 0; (string[i] != '\0') && (x < p->width); i++, x++) {
/* Check for buffer overflows... */
if (x >= 0)
p->framebuf[(y * p->width) + x] = (p->newfirmware)
? CFontz_charmap[(unsigned) string[i]]
: string[i];
}
}
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