mangavalk/lcdproc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
aeffd250a18d25b8a95bb3013a8eb9e2bdd525cf
lcdproc/server/drivers/bayrad.c
T

825 lines
17 KiB
C
Raw Blame History

/* Code file for BayRAD driver
* for LCDproc LCD software
* by Nathan Yawn, yawn@emacinc.com
* 3/24/01
*/
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <termios.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#ifdef SOLARIS
# include <strings.h>
#endif
#include "lcd.h"
#include "bayrad.h"
//#include "drv_base.h"
#include "shared/str.h"
#include "report.h"
#include "lcd_lib.h"
#define NUM_CCs 8 /* number of characters */
#define CCMODE_STANDARD 0 /* only char 0 is used for heartbeat */
#define CCMODE_VBAR 1
#define CCMODE_HBAR 2
#define CCMODE_BIGNUM 3
#define BAYRAD_DEFAULT_DEVICE "/dev/lcd"
//////////////////////////////////////////////////////////////////////////
////////////////////// Base "class" to derive from ///////////////////////
//////////////////////////////////////////////////////////////////////////
static int fd;
static int width = 0;
static int height = 0;
static int cellwidth = 5;
static int cellheight = 8;
static char *framebuf = NULL;
static char ccmode = CCMODE_STANDARD;
/////////////////////////////////////////////////////////////
/* Declare a bunch of global, static custom character data */
/////////////////////////////////////////////////////////////
char bar_up[7][5*8] = {
{
0,0,0,0,0, // char u1[] =
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
1,1,1,1,1,
},
{
0,0,0,0,0, // char u2[] =
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
1,1,1,1,1,
1,1,1,1,1,
},{
0,0,0,0,0, // char u3[] =
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
},{
0,0,0,0,0, // char u4[] =
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
},{
0,0,0,0,0, // char u5[] =
0,0,0,0,0,
0,0,0,0,0,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
},{
0,0,0,0,0, // char u6[] =
0,0,0,0,0,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
},{
0,0,0,0,0, // char u7[] =
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
},};
char bar_down[7][5*8] = { /* Presently, this is not used */
{
1,1,1,1,1, // char d1[] =
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
},{
1,1,1,1,1, // char d2[] =
1,1,1,1,1,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
},{
1,1,1,1,1, // char d3[] =
1,1,1,1,1,
1,1,1,1,1,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
},{
1,1,1,1,1, // char d4[] =
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
},{
1,1,1,1,1, // char d5[] =
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
},{
1,1,1,1,1, // char d6[] =
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
0,0,0,0,0,
0,0,0,0,0,
},{
1,1,1,1,1, // char d7[] =
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
0,0,0,0,0,
},};
char bar_right[5][5*8] = {
{
1,0,0,0,0, // char r1[] =
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
1,0,0,0,0,
},{
1,1,0,0,0, // char r2[] =
1,1,0,0,0,
1,1,0,0,0,
1,1,0,0,0,
1,1,0,0,0,
1,1,0,0,0,
1,1,0,0,0,
1,1,0,0,0,
},{
1,1,1,0,0, // char r3[] =
1,1,1,0,0,
1,1,1,0,0,
1,1,1,0,0,
1,1,1,0,0,
1,1,1,0,0,
1,1,1,0,0,
1,1,1,0,0,
},{
1,1,1,1,0, // char r4[] =
1,1,1,1,0,
1,1,1,1,0,
1,1,1,1,0,
1,1,1,1,0,
1,1,1,1,0,
1,1,1,1,0,
1,1,1,1,0,
},{
1,1,1,1,1, // char r5[] =
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
},};
char bar_left[5][5*8] = { /* Presently, this is not used. */
{
0,0,0,0,1, // char l1[] =
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
0,0,0,0,1,
},{
0,0,0,1,1, // char l2[] =
0,0,0,1,1,
0,0,0,1,1,
0,0,0,1,1,
0,0,0,1,1,
0,0,0,1,1,
0,0,0,1,1,
0,0,0,1,1,
},{
0,0,1,1,1, // char l3[] =
0,0,1,1,1,
0,0,1,1,1,
0,0,1,1,1,
0,0,1,1,1,
0,0,1,1,1,
0,0,1,1,1,
0,0,1,1,1,
},{
0,1,1,1,1, // char l4[] =
0,1,1,1,1,
0,1,1,1,1,
0,1,1,1,1,
0,1,1,1,1,
0,1,1,1,1,
0,1,1,1,1,
0,1,1,1,1,
},{
1,1,1,1,1, // char l5[] =
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
1,1,1,1,1,
},};
char icons[3][5*8] = {
{
1,1,1,1,1, // Empty Heart
1,0,1,0,1,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
1,0,0,0,1,
1,1,0,1,1,
1,1,1,1,1,
},
{
1,1,1,1,1, // Filled Heart
1,0,1,0,1,
0,1,0,1,0,
0,1,1,1,0,
0,1,1,1,0,
1,0,1,0,1,
1,1,0,1,1,
1,1,1,1,1,
},
{
0,0,0,0,0, // Ellipsis
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
0,0,0,0,0,
1,0,1,0,1,
},
};
// 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 = "bayrad_";
////////////////////////////////////////////////////////////
// init() should set up any device-specific stuff, and
// point all the function pointers.
MODULE_EXPORT int
bayrad_init(Driver *drvthis)
{
char device[256] = BAYRAD_DEFAULT_DEVICE;
int speed = B9600;
struct termios portset;
width = 20;
height = 2;
framebuf = malloc(width * height);
if(!framebuf)
{
bayrad_close(drvthis);
report(RPT_ERR, "bayrad_init: Error: unable to create BayRAD framebuffer.");
return -1;
}
memset(framebuf, ' ', width * height);
//cellheight = 5;
//cellwidth = 8;
/* Read config file */
/* What device should be used */
strncpy(device, drvthis->config_get_string(drvthis->name, "Device", 0,
BAYRAD_DEFAULT_DEVICE), sizeof(device));
device[sizeof(device)-1] = '\0';
/* What speed to use */
speed = drvthis->config_get_int(drvthis->name, "Speed", 0, 9600);
if (speed == 1200) speed = B1200;
else if (speed == 2400) speed = B2400;
else if (speed == 9600) speed = B9600;
else if (speed == 19200) speed = B19200;
else {
report(RPT_WARNING, "bayrad_init: Illegal speed: %d. Must be one of 1200, 2400, 9600 or 19200. Using default.\n", speed);
speed = B9600;
}
// Set up io port correctly, and open it...
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY);
if (fd == -1)
{
report(RPT_ERR, "bayrad_init: failed (%s)", strerror(errno));
return -1;
}
//else debug(RPT_DEBUG, "bayrad_init: opened device %s\n", device);
tcflush(fd, TCIOFLUSH);
// We use RAW mode
#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
portset.c_cc[VTIME] = 0; // Don't use the timer, no workee
portset.c_cc[VMIN] = 1; // Need at least 1 char
// Set port speed
cfsetospeed(&portset, B9600);
cfsetispeed(&portset, B0);
// Do it...
tcsetattr(fd, TCSANOW, &portset);
tcflush(fd, TCIOFLUSH);
/*------------------------------------*/
/*** Open the port write-only, then fork off a process that reads chars ?!!? ***/
/* Reset and clear the BayRAD */
write(fd, "\x80\x86\x00\x1a\x1e", 5); // sync,reset to type 0, clear screen, home
return 0;
}
// Below here, you may use either lcd.framebuf or drvthis->framebuf..
// lcd.framebuf will be set to the appropriate buffer before calling
// your driver.
MODULE_EXPORT void
bayrad_close(Driver * drvthis)
{
//debug(RPT_DEBUG, "\nClosing BayRAD.\n");
write(fd, "\x8e\x00", 2); // Backlight OFF
if(framebuf) free(framebuf);
framebuf = NULL;
close(fd);
}
/////////////////////////////////////////////////////////////////
// Returns the display width
//
MODULE_EXPORT int
bayrad_width(Driver * drvthis)
{
return width;
}
/////////////////////////////////////////////////////////////////
// Returns the display height
//
MODULE_EXPORT int
bayrad_height(Driver * drvthis)
{
return height;
}
/////////////////////////////////////////////////////////////////
// Clears the LCD screen
//
MODULE_EXPORT void
bayrad_clear(Driver * drvthis)
{
memset(framebuf, ' ', width * height);
ccmode = CCMODE_STANDARD;
}
//////////////////////////////////////////////////////////////////
// Flushes all output to the lcd...
//
MODULE_EXPORT void
bayrad_flush(Driver * drvthis)
{
//debug(RPT_DEBUG, "\nBayRAD flush");
write(fd, "\x80\x1e", 2); //sync, home
write(fd, framebuf, 20);
write(fd, "\x1e\x0a", 2); //home, LF
write(fd, framebuf+20, 20);
return;
}
/////////////////////////////////////////////////////////////////
// Prints a string on the lcd display, at position (x,y). The
// upper-left is (1,1), and the lower right should be (20,4).
//
MODULE_EXPORT void
bayrad_string(Driver * drvthis, int x, int y, char string[])
{
int i;
unsigned char c;
//debug(RPT_DEBUG, "\nPutting string %s at %i, %i", string, x, y);
x -= 1; // Convert 1-based coords to 0-based...
y -= 1;
for(i=0; string[i]; i++)
{
// Check for buffer overflows...
if((y*width) + x + i > (width*height))
break;
c = (unsigned char) string[i];
if(c> 0x7F && c < 0x98)
{
//c &= 0x7F;
report(RPT_WARNING, "bayrad_strign: Illegal char %#x requested in bayrad_string()!", c);
c = ' ';
}
if(c < 8) /* The custom characters are mapped at 0x98 - 0x9F, */
c += 0x98; /* as 0x07 makes a beep instead of printing a character */
framebuf[(y*width) + x + i] = c;
}
}
/////////////////////////////////////////////////////////////////
// Prints a character on the lcd display, at position (x,y). The
// upper-left is (1,1), and the lower right should be (20,2).
//
MODULE_EXPORT void
bayrad_chr(Driver * drvthis, int x, int y, char c)
{
unsigned char ch;
//debug(RPT_DEBUG, "\nPutting char %c (%#x) at %i, %i", c, c, x, y);
y--;
x--;
ch = (unsigned char) c;
if(ch > 0x7F && ch < 0x98)
{
report(RPT_WARNING, "Illegal char %#x requested in bayrad_chr()!", ch);
ch = ' ';
}
/* No shifting the custom chars here, so bayrad_chr() can beep */
framebuf[(y*width) + x] = ch;
}
//////////////////////////////////////////////////////////////////////
// Turns the lcd backlight on or off...
//
MODULE_EXPORT void
bayrad_backlight(Driver * drvthis, int on)
{
/* This violates the LCDd driver model, but it does leave the
* backlight control entirely in the hands of the user via
* BayRAd buttons, which is nice, since the backlights have
* a finite lifespan... */
if(on)
{;
//write(fd, "\x8e\x0f", 2);
//debug(RPT_DEBUG, "Backlight ON\n");
}
else
{;
//write(fd, "\x8e\x00", 2);
//debug(RPT_DEBUG, "Backlight OFF\n");
}
}
//////////////////////////////////////////////////////////////////////
// Tells the driver to get ready for vertical bargraphs.
//
void
bayrad_init_vbar(Driver * drvthis)
{
//debug(RPT_DEBUG,"Init Vertical bars.\n");
if( ccmode == CCMODE_VBAR ) {
/* Work already done */
return;
}
if( ccmode != CCMODE_STANDARD ) {
/* Not supported (yet) */
report( RPT_WARNING, "bayrad_init_vbar: Cannot combine two modes using user defined characters" );
return;
}
ccmode = CCMODE_VBAR;
bayrad_set_char(drvthis, 1, bar_up[0]);
bayrad_set_char(drvthis, 2, bar_up[1]);
bayrad_set_char(drvthis, 3, bar_up[2]);
bayrad_set_char(drvthis, 4, bar_up[3]);
bayrad_set_char(drvthis, 5, bar_up[4]);
bayrad_set_char(drvthis, 6, bar_up[5]);
bayrad_set_char(drvthis, 7, bar_up[6]);
return;
}
//////////////////////////////////////////////////////////////////////
// Tells the driver to get ready for horizontal bargraphs.
//
void
bayrad_init_hbar(Driver * drvthis)
{
//debug(RPT_DEBUG,"Init Horizontal bars.\n");
if( ccmode == CCMODE_HBAR ) {
/* Work already done */
return;
}
if( ccmode != CCMODE_STANDARD ) {
/* Not supported (yet) */
report( RPT_WARNING, "bayrad_init_hbar: Cannot combine two modes using user defined characters" );
return;
}
ccmode = CCMODE_HBAR;
bayrad_set_char(drvthis, 1, bar_right[0]);
bayrad_set_char(drvthis, 2, bar_right[1]);
bayrad_set_char(drvthis, 3, bar_right[2]);
bayrad_set_char(drvthis, 4, bar_right[3]);
bayrad_set_char(drvthis, 5, bar_right[4]);
return;
}
//////////////////////////////////////////////////////////////////////
// Tells the driver to get ready for big numbers, if possible.
//
void
bayrad_init_num(Driver * drvthis)
{
// debug(RPT_DEBUG,"Big Numbers.\n");
}
//////////////////////////////////////////////////////////////////////
// Draws a big (4-row) number.
//
MODULE_EXPORT void
bayrad_num(Driver * drvthis, int x, int num)
{
// debug(RPT_DEBUG,"BigNum(%i, %i)\n", x, num);
}
//////////////////////////////////////////////////////////////////////
// Changes the font data of character n.
//
MODULE_EXPORT void
bayrad_set_char(Driver * drvthis, int n, char *dat)
{
char out[4];
int row, col;
char letter;
//debug(RPT_DEBUG, "\nSet char %i", n);
if(n < 0 || n > 7) /* Do we want to the aliased indexes as well (0x98 - 0x9F?) */
return;
if(!dat)
return;
n = 0x40 + (n * 8); /* Set n to the proper location in CG RAM */
/* Set the LCD to accept data for rewrite-able char n */
snprintf(out, sizeof(out), "\x88%c", n);
write(fd, out, 2);
for(row=0; row<cellheight; row++)
{
letter = 0;
for(col=0; col<cellwidth; col++)
{
letter <<= 1;
letter |= (dat[(row*cellwidth) + col] > 0);
}
write(fd, &letter, 1);
}
/* return the LCD to normal operation */
write(fd, "\x80", 1);
return;
}
/////////////////////////////////////////////////////////////////
// Draws a vertical bar, from the bottom of the screen up.
//
MODULE_EXPORT void
bayrad_vbar(Driver * drvthis, int x, int y, int len, int promille, int options)
{
//debug(RPT_DEBUG, "\nVbar at %i, length %i", x, len);
/* x and y are the start position of the bar.
* The bar by default grows in the 'up' direction
* (other direction not yet implemented).
* len is the number of characters that the bar is long at 100%
* promille is the number of promilles (0..1000) that the bar should be filled.
*/
bayrad_init_vbar(drvthis);
lib_vbar_static(drvthis, x, y, len, promille, options, cellheight, 0x98);
}
/////////////////////////////////////////////////////////////////
// Draws a horizontal bar to the right.
//
MODULE_EXPORT void
bayrad_hbar(Driver * drvthis, int x, int y, int len, int promille, int options)
{
//debug(RPT_DEBUG, "\nHbar at %i,%i; length %i", x, y, len);
/* x and y are the start position of the bar.
* The bar by default grows in the 'right' direction
* (other direction not yet implemented).
* len is the number of characters that the bar is long at 100%
* promille is the number of promilles (0..1000) that the bar should be filled.
*/
bayrad_init_hbar(drvthis);
lib_hbar_static(drvthis, x, y, len, promille, options, cellwidth, 0x98);
}
/////////////////////////////////////////////////////////////////
// Places an icon on screen
//
MODULE_EXPORT int
bayrad_icon(Driver * drvthis, int x, int y, int icon)
{
switch( icon ) {
case ICON_BLOCK_FILLED:
bayrad_chr( drvthis, x, y, 0xFF );
break;
default:
return -1; /* Let the core do other icons */
}
return 0;
}
//////////////////////////////////////////////////////////////////////
// Tries to read a character from an input device...
//
// Return 0 for "nothing available".
//
MODULE_EXPORT char *
bayrad_get_key(Driver * drvthis)
{
fd_set brfdset;
struct timeval twait;
char readchar;
int retval;
static char ret_val[2] = {0,0};
//debug(RPT_DEBUG, "\nBayRAD get_key...");
/* Check for incoming data. Turn backlight ON/OFF as needed */
/* TODO: NEEDS TO BE ADAPTED TO RETURN REAL KEY DESCRIPTION STRINGS ! */
FD_ZERO(&brfdset);
FD_SET(fd, &brfdset);
twait.tv_sec = 0;
twait.tv_usec = 0;
if(select(fd+1, &brfdset, NULL, NULL, &twait))
{
retval = read(fd, &readchar, 1);
if(retval > 0)
{
debug(RPT_INFO, "bayrad_get_key: Got key: %c", readchar);
if(readchar == 'Y')
{
write(fd, "\x8e\x0f", 2);
}
else if(readchar == 'N')
{
write(fd, "\x8e\x00", 2);
}
} /* if read returned data */
else
{ /* Read error */
report(RPT_ERR, "bayrad_get_key: Read error in BayRAD getchar.");
}
} /* if select */
else
{
;//debug(RPT_DEBUG, "No BayRAD data present.");
}
ret_val[0] = readchar;
return ret_val;
}
Reference in New Issue View Git Blame Copy Permalink