Unallocated framebuffer fix.

This commit is contained in:
robijn
2001-11-23 15:15:05 +00:00
parent 97457f45bd
commit efcbed6026
4 changed files with 82 additions and 56 deletions
+6
View File
@@ -175,6 +175,12 @@ CFontz_init (lcd_logical_driver * driver, char *args)
// Do it... // Do it...
tcsetattr (fd, TCSANOW, &portset); tcsetattr (fd, TCSANOW, &portset);
// Make sure the frame buffer is there...
if (!CFontz->framebuf)
CFontz->framebuf = (unsigned char *)
malloc (CFontz->wid * CFontz->hgt);
memset (CFontz->framebuf, ' ', CFontz->wid * CFontz->hgt);
// Set display-specific stuff.. // Set display-specific stuff..
if (reboot) { if (reboot) {
CFontz_reboot (); CFontz_reboot ();
+27 -28
View File
@@ -98,10 +98,10 @@ static void MtxOrb_autoscroll (int on);
static void MtxOrb_cursorblink (int on); static void MtxOrb_cursorblink (int on);
static void MtxOrb_string (int x, int y, char *string); static void MtxOrb_string (int x, int y, char *string);
/* /*
* This does not belong to MtxOrb.h except if used externaly * This does not belong to MtxOrb.h except if used externaly
* Having them here reduce the number of warning. * Having them here reduce the number of warning.
*/ */
static void MtxOrb_clear (); static void MtxOrb_clear ();
static void MtxOrb_close (); static void MtxOrb_close ();
static void MtxOrb_flush (); static void MtxOrb_flush ();
@@ -387,12 +387,11 @@ MtxOrb_init (lcd_logical_driver * driver, char *args)
malloc (MtxOrb->wid * MtxOrb->hgt); malloc (MtxOrb->wid * MtxOrb->hgt);
memset (MtxOrb->framebuf, ' ', MtxOrb->wid * MtxOrb->hgt); memset (MtxOrb->framebuf, ' ', MtxOrb->wid * MtxOrb->hgt);
// Allocate and clear the buffer for incremental updates // Allocate and clear the buffer for incremental updates
lcd_contents = (unsigned char *) malloc (MtxOrb->wid * MtxOrb->hgt); lcd_contents = (unsigned char *) malloc (MtxOrb->wid * MtxOrb->hgt);
if (!lcd_contents) { return -1; } if (!lcd_contents) { return -1; }
memset(lcd_contents, ' ', MtxOrb->wid * MtxOrb->hgt); memset(lcd_contents, ' ', MtxOrb->wid * MtxOrb->hgt);
/* /*
* Configure display * Configure display
*/ */
@@ -613,12 +612,12 @@ MtxOrb_backlight (int on)
backlight_state = on; backlight_state = on;
switch (on) { switch (on) {
case BACKLIGHT_ON: case BACKLIGHT_ON:
write (fd, "\x0FE" "F", 2); write (fd, "\x0FE" "F", 2);
if (debug_level > 3) if (debug_level > 3)
syslog(LOG_DEBUG, "MtxOrb: backlight turned on"); syslog(LOG_DEBUG, "MtxOrb: backlight turned on");
break; break;
case BACKLIGHT_OFF: case BACKLIGHT_OFF:
if (IS_VKD_DISPLAY || IS_VFD_DISPLAY) { if (IS_VKD_DISPLAY || IS_VFD_DISPLAY) {
if (debug_level > 3) if (debug_level > 3)
syslog(LOG_DEBUG, "MtxOrb: backlight ignored - not LCD or LKD display"); syslog(LOG_DEBUG, "MtxOrb: backlight ignored - not LCD or LKD display");
@@ -1348,7 +1347,7 @@ MtxOrb_set_known_char (int car, int type)
{ {
char all_bar[25][5 * 8] = { char all_bar[25][5 * 8] = {
{ {
0, 0, 0, 0, 0, // char u1[] = 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,
@@ -1357,7 +1356,7 @@ MtxOrb_set_known_char (int car, int type)
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 u2[] = 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, 0, 0, 0, 0, 0,
@@ -1366,7 +1365,7 @@ MtxOrb_set_known_char (int car, int type)
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 u3[] = 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,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -1375,7 +1374,7 @@ MtxOrb_set_known_char (int car, int type)
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 u4[] = 0, 0, 0, 0, 0, // char u4[] =
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,
@@ -1384,7 +1383,7 @@ MtxOrb_set_known_char (int car, int type)
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, // char u5[] =
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,
@@ -1393,7 +1392,7 @@ MtxOrb_set_known_char (int car, int type)
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, // char u6[] =
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,
@@ -1402,7 +1401,7 @@ MtxOrb_set_known_char (int car, int type)
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[] = 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,
@@ -1411,7 +1410,7 @@ MtxOrb_set_known_char (int car, int type)
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 d1[] = 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,
@@ -1420,7 +1419,7 @@ MtxOrb_set_known_char (int car, int type)
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, // char d2[] =
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,
@@ -1429,7 +1428,7 @@ MtxOrb_set_known_char (int car, int type)
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, // char d3[] =
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,
@@ -1438,7 +1437,7 @@ MtxOrb_set_known_char (int car, int type)
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, // char d4[] =
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,
@@ -1447,7 +1446,7 @@ MtxOrb_set_known_char (int car, int type)
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, // char d5[] =
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,
@@ -1456,7 +1455,7 @@ MtxOrb_set_known_char (int car, int type)
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 d6[] = 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, 1, 1, 1, 1, 1,
@@ -1465,7 +1464,7 @@ MtxOrb_set_known_char (int car, int type)
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 d7[] = 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,
@@ -1474,7 +1473,7 @@ MtxOrb_set_known_char (int car, int type)
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}, { }, {
1, 0, 0, 0, 0, // char r1[] = 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,
@@ -1483,7 +1482,7 @@ MtxOrb_set_known_char (int car, int type)
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, // 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,
@@ -1492,7 +1491,7 @@ MtxOrb_set_known_char (int car, int type)
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, // 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,
@@ -1501,7 +1500,7 @@ MtxOrb_set_known_char (int car, int type)
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, // 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,
@@ -1510,7 +1509,7 @@ MtxOrb_set_known_char (int car, int type)
1, 1, 1, 1, 0, 1, 1, 1, 1, 0,
1, 1, 1, 1, 0, 1, 1, 1, 1, 0,
}, { }, {
0, 0, 0, 0, 1, // char l1[] = 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,
@@ -1519,7 +1518,7 @@ MtxOrb_set_known_char (int car, int type)
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, // 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,
@@ -1528,7 +1527,7 @@ MtxOrb_set_known_char (int car, int type)
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, // 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,
@@ -1537,7 +1536,7 @@ MtxOrb_set_known_char (int car, int type)
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, // 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,
+40 -28
View File
@@ -68,14 +68,14 @@ int LB216_init(lcd_logical_driver *driver, char *args)
int i; int i;
int tmp; int tmp;
int reboot=0; int reboot=0;
char device[256] = "/dev/lcd"; char device[256] = "/dev/lcd";
int speed=B9600; int speed=B9600;
LB216 = driver; LB216 = driver;
//debug("LB216_init: Args(all): %s\n", args); //debug("LB216_init: Args(all): %s\n", args);
argc = get_args(argv, args, 64); argc = get_args(argv, args, 64);
/* /*
@@ -84,7 +84,7 @@ int LB216_init(lcd_logical_driver *driver, char *args)
printf("Arg(%i): %s\n", i, argv[i]); printf("Arg(%i): %s\n", i, argv[i]);
} }
*/ */
for(i=0; i<argc; i++) for(i=0; i<argc; i++)
{ {
//printf("Arg(%i): %s\n", i, argv[i]); //printf("Arg(%i): %s\n", i, argv[i]);
@@ -150,12 +150,12 @@ int LB216_init(lcd_logical_driver *driver, char *args)
{ {
printf("Invalid parameter: %s\n", argv[i]); printf("Invalid parameter: %s\n", argv[i]);
} }
} }
// Set up io port correctly, and open it... // Set up io port correctly, and open it...
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY); fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY);
if (fd == -1) if (fd == -1)
{ {
fprintf(stderr, "LB216_init: failed (%s)\n", strerror(errno)); fprintf(stderr, "LB216_init: failed (%s)\n", strerror(errno));
return -1; return -1;
@@ -183,7 +183,13 @@ int LB216_init(lcd_logical_driver *driver, char *args)
// Do it... // Do it...
tcsetattr(fd, TCSANOW, &portset); tcsetattr(fd, TCSANOW, &portset);
// Make sure the frame buffer is there...
if (!LB216->framebuf)
LB216->framebuf = (unsigned char *)
malloc (LB216->wid * LB216->hgt);
memset (LB216->framebuf, ' ', LB216->wid * LB216->hgt);
// Set display-specific stuff.. // Set display-specific stuff..
if(reboot) if(reboot)
@@ -222,7 +228,7 @@ int LB216_init(lcd_logical_driver *driver, char *args)
LB216->cellhgt = 8; LB216->cellhgt = 8;
debug("LB216: foo!\n"); debug("LB216: foo!\n");
return fd; return fd;
} }
@@ -231,9 +237,9 @@ int LB216_init(lcd_logical_driver *driver, char *args)
///////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////
// Clean-up // Clean-up
// //
void LB216_close() void LB216_close()
{ {
close (fd); close (fd);
if(LB216->framebuf) free(LB216->framebuf); if(LB216->framebuf) free(LB216->framebuf);
@@ -261,15 +267,21 @@ void LB216_flush()
// Prints a character on the lcd display, at position (x,y). The // Prints a character on the lcd display, at position (x,y). The
// upper-left is (1,1), and the lower right should be (16,2). // upper-left is (1,1), and the lower right should be (16,2).
// //
void LB216_chr(int x, int y, char c) void LB216_chr(int x, int y, char c)
{ {
//y--; //y--;
// x--; // x--;
//if(c < 32 && c >= 0) c += 128; //if(c < 32 && c >= 0) c += 128;
// LB216->framebuf[(y*LB216->wid) + x] = c; // LB216->framebuf[(y*LB216->wid) + x] = c;
char chr[1];
snprintf (chr, sizeof(chr), "%c", c); // char chr[1];
// snprintf (chr, sizeof(chr), "%c", c);
// Above two lines are incorrect (Joris)
char chr[2];
chr[0] = c;
chr[1] = 0;
LB216_string (x, y, chr); LB216_string (x, y, chr);
} }
@@ -323,7 +335,7 @@ void LB216_draw_frame(char *dat)
{ {
char out[LCD_MAX_WIDTH * LCD_MAX_HEIGHT]; char out[LCD_MAX_WIDTH * LCD_MAX_HEIGHT];
int i,j; int i,j;
if(!dat) return; if(!dat) return;
snprintf (out, sizeof(out), "%c%c", 254,80); snprintf (out, sizeof(out), "%c%c", 254,80);
@@ -365,7 +377,7 @@ void LB216_string (int x, int y, char string[])
///////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////
// Sets up for vertical bars. Call before LB216->vbar() // Sets up for vertical bars. Call before LB216->vbar()
// //
void LB216_init_vbar() void LB216_init_vbar()
{ {
char a[] = { char a[] = {
0,0,0,0,0, 0,0,0,0,0,
@@ -453,7 +465,7 @@ void LB216_init_vbar()
///////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////
// Inits horizontal bars... // Inits horizontal bars...
// //
void LB216_init_hbar() void LB216_init_hbar()
{ {
char a[] = { char a[] = {
@@ -520,10 +532,10 @@ void LB216_init_hbar()
///////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////
// Draws a vertical bar... // Draws a vertical bar...
// //
void LB216_vbar(int x, int len) void LB216_vbar(int x, int len)
{ {
char map[9] = {32, 1, 2, 3, 4, 5, 6, 7, 255 }; char map[9] = {32, 1, 2, 3, 4, 5, 6, 7, 255 };
int y; int y;
for(y=LB216->hgt; y > 0 && len>0; y--) for(y=LB216->hgt; y > 0 && len>0; y--)
@@ -533,7 +545,7 @@ void LB216_vbar(int x, int len)
len -= LB216->cellhgt; len -= LB216->cellhgt;
} }
} }
///////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////
@@ -547,10 +559,10 @@ void LB216_hbar(int x, int y, int len)
{ {
if(len >= LB216->cellwid) LB216_chr(x,y,map[5]); if(len >= LB216->cellwid) LB216_chr(x,y,map[5]);
else LB216_chr(x, y, map[len]); else LB216_chr(x, y, map[len]);
//printf ("%d,",len); //printf ("%d,",len);
len -= LB216->cellwid; len -= LB216->cellwid;
} }
// printf ("\n"); // printf ("\n");
@@ -602,7 +614,7 @@ void LB216_icon(int which, char dest)
1,0,0,0,1, 1,0,0,0,1,
1,1,0,1,1, 1,1,0,1,1,
1,1,1,1,1, 1,1,1,1,1,
}, },
{ {
1,1,1,1,1, // Filled Heart 1,1,1,1,1, // Filled Heart
@@ -614,7 +626,7 @@ void LB216_icon(int which, char dest)
1,1,0,1,1, 1,1,0,1,1,
1,1,1,1,1, 1,1,1,1,1,
}, },
{ {
0,0,0,0,0, // Ellipsis 0,0,0,0,0, // Ellipsis
0,0,0,0,0, 0,0,0,0,0,
@@ -625,9 +637,9 @@ void LB216_icon(int which, char dest)
0,0,0,0,0, 0,0,0,0,0,
1,0,1,0,1, 1,0,1,0,1,
}, },
}; };
if(custom==bign) custom=beat; if(custom==bign) custom=beat;
LB216_set_char(dest, &icons[which][0]); LB216_set_char(dest, &icons[which][0]);
} }
+9
View File
@@ -38,6 +38,15 @@ text_init (lcd_logical_driver * driver, char *args)
{ {
text = driver; text = driver;
// Make sure the frame buffer is there...
if (!text->framebuf)
text->framebuf = (unsigned char *)
malloc (text->wid * text->hgt);
memset (text->framebuf, ' ', text->wid * text->hgt);
// Set the functions the driver supports
text->wid = LCD_DEFAULT_WIDTH; text->wid = LCD_DEFAULT_WIDTH;
text->hgt = LCD_DEFAULT_HEIGHT; text->hgt = LCD_DEFAULT_HEIGHT;
text->cellwid = LCD_DEFAULT_CELL_WIDTH; text->cellwid = LCD_DEFAULT_CELL_WIDTH;