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some outdated comments as well as trailing whitespace.
This commit is contained in:
mmdolze
2010-01-18 23:17:13 +00:00
parent 59f3cbdb45
commit 775041e81d
1 changed files with 69 additions and 85 deletions
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server/drivers/MtxOrb.c
+43 -59
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@@ -10,7 +10,7 @@
* \note The GLK series of graphical displays is supported by the \c glk driver. * \note The GLK series of graphical displays is supported by the \c glk driver.
*/ */
/* /*-
Copyright (C) 1999, William Ferrell and Scott Scriven Copyright (C) 1999, William Ferrell and Scott Scriven
2001, Andre Breiler 2001, Andre Breiler
2001, Philip Pokorny 2001, Philip Pokorny
@@ -64,8 +64,10 @@
/* MO displays allow 25 keys that map by default to 'A' - 'Y' */ /* MO displays allow 25 keys that map by default to 'A' - 'Y' */
#define MAX_KEY_MAP 25 #define MAX_KEY_MAP 25
// Don't forget to define key mappings in LCDd.conf: KeyMap_A=Enter, ... /*
// otherwise you will not get your keypad working. * Don't forget to define key mappings in LCDd.conf: KeyMap_A=Enter, ...
* otherwise you will not get your keypad working.
*/
#define IS_LCD_DISPLAY (p->MtxOrb_type == MTXORB_LCD) #define IS_LCD_DISPLAY (p->MtxOrb_type == MTXORB_LCD)
#define IS_LKD_DISPLAY (p->MtxOrb_type == MTXORB_LKD) #define IS_LKD_DISPLAY (p->MtxOrb_type == MTXORB_LKD)
@@ -86,14 +88,7 @@
* sent to the display across the serial link. * sent to the display across the serial link.
* *
* In order to display graphic widgets, we define and use our own * In order to display graphic widgets, we define and use our own
* custom characters. To avoid multiple definitions of the same * custom characters.
* custom characters, we use a caching mechanism that remembers
* what is currently defined. In order to avoid always redefining
* the same custom character at the beginning of the table, we
* rotate the beginning of the table. This is supposed to reduce
* the number of character redefinitions and make the caching more
* effective. The overall goal is to reduce the number of
* characters sent to the display.
*/ */
@@ -236,14 +231,14 @@ MtxOrb_init (Driver *drvthis)
char buf[256] = ""; char buf[256] = "";
int tmp, w, h; int tmp, w, h;
PrivateData *p; PrivateData *p;
/* Allocate and store private data */ /* Allocate and store private data */
p = (PrivateData *) malloc(sizeof(PrivateData)); p = (PrivateData *) malloc(sizeof(PrivateData));
if (p == NULL) if (p == NULL)
return -1; return -1;
if (drvthis->store_private_ptr(drvthis, p)) if (drvthis->store_private_ptr(drvthis, p))
return -1; return -1;
/* Initialise the PrivateData structure */ /* Initialise the PrivateData structure */
p->fd = -1; p->fd = -1;
@@ -415,7 +410,7 @@ MtxOrb_init (Driver *drvthis)
#else #else
/* The hard way */ /* The hard way */
portset.c_iflag &= ~( IGNBRK | BRKINT | PARMRK | ISTRIP portset.c_iflag &= ~( IGNBRK | BRKINT | PARMRK | ISTRIP
| INLCR | IGNCR | ICRNL | IXON ); | INLCR | IGNCR | ICRNL | IXON );
portset.c_oflag &= ~OPOST; portset.c_oflag &= ~OPOST;
portset.c_lflag &= ~( ECHO | ECHONL | ICANON | ISIG | IEXTEN ); portset.c_lflag &= ~( ECHO | ECHONL | ICANON | ISIG | IEXTEN );
portset.c_cflag &= ~( CSIZE | PARENB | CRTSCTS ); portset.c_cflag &= ~( CSIZE | PARENB | CRTSCTS );
@@ -475,7 +470,7 @@ MtxOrb_init (Driver *drvthis)
MODULE_EXPORT void MODULE_EXPORT void
MtxOrb_close (Driver *drvthis) MtxOrb_close (Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
if (p != NULL) { if (p != NULL) {
if (p->fd >= 0) if (p->fd >= 0)
@@ -489,7 +484,7 @@ MtxOrb_close (Driver *drvthis)
free(p->backingstore); free(p->backingstore);
p->backingstore = NULL; p->backingstore = NULL;
free(p); free(p);
} }
drvthis->store_private_ptr(drvthis, NULL); drvthis->store_private_ptr(drvthis, NULL);
debug(RPT_DEBUG, "MtxOrb: closed"); debug(RPT_DEBUG, "MtxOrb: closed");
@@ -504,9 +499,9 @@ MtxOrb_close (Driver *drvthis)
MODULE_EXPORT int MODULE_EXPORT int
MtxOrb_width (Driver *drvthis) MtxOrb_width (Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
return p->width; return p->width;
} }
@@ -518,7 +513,7 @@ MtxOrb_width (Driver *drvthis)
MODULE_EXPORT int MODULE_EXPORT int
MtxOrb_height (Driver *drvthis) MtxOrb_height (Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
return p->height; return p->height;
} }
@@ -590,7 +585,7 @@ MtxOrb_string (Driver *drvthis, int x, int y, const char string[])
MODULE_EXPORT void MODULE_EXPORT void
MtxOrb_clear (Driver *drvthis) MtxOrb_clear (Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
/* set hbar/vbar/bignum mode back to normal character display */ /* set hbar/vbar/bignum mode back to normal character display */
p->ccmode = standard; p->ccmode = standard;
@@ -598,9 +593,6 @@ MtxOrb_clear (Driver *drvthis)
/* replace all chars in framebuf with spaces */ /* replace all chars in framebuf with spaces */
memset(p->framebuf, ' ', (p->width * p->height)); memset(p->framebuf, ' ', (p->width * p->height));
/* make backing store differ from framebuf so it all gets cleared by MtxOrb_flush */
//memset(p->backingstore, 0xFE, (p->width * p->height));
debug(RPT_DEBUG, "MtxOrb: cleared screen"); debug(RPT_DEBUG, "MtxOrb: cleared screen");
} }
@@ -612,16 +604,16 @@ MtxOrb_clear (Driver *drvthis)
MODULE_EXPORT void MODULE_EXPORT void
MtxOrb_flush (Driver *drvthis) MtxOrb_flush (Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
int modified = 0; int modified = 0;
int i, j; int i, j;
for (i = 0; i < p->height; i++) { for (i = 0; i < p->height; i++) {
// set pointers to start of the line in frame buffer & backing store /* set pointers to start of the line in frame buffer & backing store */
unsigned char *sp = p->framebuf + (i * p->width); unsigned char *sp = p->framebuf + (i * p->width);
unsigned char *sq = p->backingstore + (i * p->width); unsigned char *sq = p->backingstore + (i * p->width);
// set pointers to end of the line in frame buffer & backing store /* set pointers to end of the line in frame buffer & backing store */
unsigned char *ep = sp + (p->width - 1); unsigned char *ep = sp + (p->width - 1);
unsigned char *eq = sq + (p->width - 1); unsigned char *eq = sq + (p->width - 1);
int length = 0; int length = 0;
@@ -634,11 +626,11 @@ MtxOrb_flush (Driver *drvthis)
* - leave out leading and trailing parts that are identical * - leave out leading and trailing parts that are identical
*/ */
// skip over leading identical portions of the line /* skip over leading identical portions of the line */
for (j = 0; (sp <= ep) && (*sp == *sq); sp++, sq++, j++) for (j = 0; (sp <= ep) && (*sp == *sq); sp++, sq++, j++)
; ;
// skip over trailing identical portions of the line /* skip over trailing identical portions of the line */
for (length = p->width - j; (length > 0) && (*ep == *eq); ep--, eq--, length--) for (length = p->width - j; (length > 0) && (*ep == *eq); ep--, eq--, length--)
; ;
@@ -648,7 +640,7 @@ MtxOrb_flush (Driver *drvthis)
unsigned char *byte; unsigned char *byte;
memcpy(out, sp, length); memcpy(out, sp, length);
// replace command character \xFE by space /* replace command character \xFE by space */
while ((byte = memchr(out, '\xFE', length)) != NULL) while ((byte = memchr(out, '\xFE', length)) != NULL)
*byte = ' '; *byte = ' ';
@@ -659,7 +651,7 @@ MtxOrb_flush (Driver *drvthis)
write(p->fd, out, length); write(p->fd, out, length);
modified++; modified++;
} }
} // i < p->height }
if (modified) if (modified)
memcpy(p->backingstore, p->framebuf, p->width * p->height); memcpy(p->backingstore, p->framebuf, p->width * p->height);
@@ -679,14 +671,14 @@ MtxOrb_flush (Driver *drvthis)
MODULE_EXPORT void MODULE_EXPORT void
MtxOrb_chr (Driver *drvthis, int x, int y, char c) MtxOrb_chr (Driver *drvthis, int x, int y, char c)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
/* Convert 1-based coords to 0-based... */ /* Convert 1-based coords to 0-based... */
x--; x--;
y--; y--;
if ((x >= 0) && (y >= 0) && (x < p->width) && (y < p->height)) if ((x >= 0) && (y >= 0) && (x < p->width) && (y < p->height))
p->framebuf[(y * p->width) + x] = c; p->framebuf[(y * p->width) + x] = c;
debug(RPT_DEBUG, "writing character %02X to position (%d,%d)", c, x, y); debug(RPT_DEBUG, "writing character %02X to position (%d,%d)", c, x, y);
} }
@@ -703,7 +695,7 @@ MtxOrb_chr (Driver *drvthis, int x, int y, char c)
MODULE_EXPORT int MODULE_EXPORT int
MtxOrb_get_contrast (Driver *drvthis) MtxOrb_get_contrast (Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
return p->contrast; return p->contrast;
} }
@@ -720,7 +712,7 @@ MtxOrb_get_contrast (Driver *drvthis)
MODULE_EXPORT void MODULE_EXPORT void
MtxOrb_set_contrast (Driver *drvthis, int promille) MtxOrb_set_contrast (Driver *drvthis, int promille)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
int real_contrast = (int) ((long) promille * 255 / 1000); int real_contrast = (int) ((long) promille * 255 / 1000);
/* Check it */ /* Check it */
@@ -844,7 +836,7 @@ MtxOrb_backlight (Driver *drvthis, int on)
MODULE_EXPORT void MODULE_EXPORT void
MtxOrb_output (Driver *drvthis, int state) MtxOrb_output (Driver *drvthis, int state)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
unsigned char out[5] = { '\xFE', 0, 0 }; unsigned char out[5] = { '\xFE', 0, 0 };
state &= 0x3F; /* strip to six bits */ state &= 0x3F; /* strip to six bits */
@@ -881,7 +873,7 @@ MtxOrb_output (Driver *drvthis, int state)
static void static void
MtxOrb_hardware_clear (Driver *drvthis) MtxOrb_hardware_clear (Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
write(p->fd, "\xFE" "X", 2); write(p->fd, "\xFE" "X", 2);
@@ -897,7 +889,7 @@ MtxOrb_hardware_clear (Driver *drvthis)
static void static void
MtxOrb_linewrap (Driver *drvthis, int on) MtxOrb_linewrap (Driver *drvthis, int on)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
unsigned char out[3] = { '\xFE', 0 }; unsigned char out[3] = { '\xFE', 0 };
out[1] = (on) ? 'C' : 'D'; out[1] = (on) ? 'C' : 'D';
@@ -915,7 +907,7 @@ MtxOrb_linewrap (Driver *drvthis, int on)
static void static void
MtxOrb_autoscroll (Driver *drvthis, int on) MtxOrb_autoscroll (Driver *drvthis, int on)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
unsigned char out[3] = { '\xFE', 0 }; unsigned char out[3] = { '\xFE', 0 };
out[1] = (on) ? 'Q' : 'R'; out[1] = (on) ? 'Q' : 'R';
@@ -935,7 +927,7 @@ MtxOrb_autoscroll (Driver *drvthis, int on)
static void static void
MtxOrb_cursorblink (Driver *drvthis, int on) MtxOrb_cursorblink (Driver *drvthis, int on)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
unsigned char out[3] = { '\xFE', 0 }; unsigned char out[3] = { '\xFE', 0 };
out[1] = (on) ? 'S' : 'T'; out[1] = (on) ? 'S' : 'T';
@@ -977,7 +969,7 @@ MtxOrb_get_info (Driver *drvthis)
char tmp[10], buf[255]; char tmp[10], buf[255];
int model = 0; int model = 0;
int i; int i;
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
fd_set rfds; fd_set rfds;
@@ -1117,7 +1109,7 @@ MtxOrb_vbar (Driver *drvthis, int x, int y, int len, int promille, int options)
memset(vBar, 0x00, sizeof(vBar)); memset(vBar, 0x00, sizeof(vBar));
for (i = 1; i < p->cellheight; i++) { for (i = 1; i < p->cellheight; i++) {
// add pixel line per pixel line ... /* add pixel line per pixel line ... */
vBar[p->cellheight - i] = 0xFF; vBar[p->cellheight - i] = 0xFF;
MtxOrb_set_char(drvthis, i, vBar); MtxOrb_set_char(drvthis, i, vBar);
} }
@@ -1156,7 +1148,7 @@ MtxOrb_hbar (Driver *drvthis, int x, int y, int len, int promille, int options)
memset(hBar, 0x00, sizeof(hBar)); memset(hBar, 0x00, sizeof(hBar));
for (i = 1; i <= p->cellwidth; i++) { for (i = 1; i <= p->cellwidth; i++) {
// fill pixel columns from left to right. /* fill pixel columns from left to right. */
memset(hBar, 0xFF & ~((1 << (p->cellwidth - i)) - 1), sizeof(hBar)); memset(hBar, 0xFF & ~((1 << (p->cellwidth - i)) - 1), sizeof(hBar));
MtxOrb_set_char(drvthis, i, hBar); MtxOrb_set_char(drvthis, i, hBar);
} }
@@ -1194,7 +1186,7 @@ MtxOrb_num (Driver *drvthis, int x, int num)
do_init = 1; do_init = 1;
} }
// Lib_adv_bignum does everything needed to show the bignumbers. /* Lib_adv_bignum does everything needed to show the bignumbers. */
lib_adv_bignum(drvthis, x, num, 0, do_init); lib_adv_bignum(drvthis, x, num, 0, do_init);
} }
@@ -1207,9 +1199,7 @@ MtxOrb_num (Driver *drvthis, int x, int num)
MODULE_EXPORT int MODULE_EXPORT int
MtxOrb_get_free_chars (Driver *drvthis) MtxOrb_get_free_chars (Driver *drvthis)
{ {
//PrivateData *p = drvthis->private_data; return NUM_CCs;
return NUM_CCs;
} }
@@ -1256,8 +1246,6 @@ MtxOrb_set_char (Driver *drvthis, int n, unsigned char *dat)
MODULE_EXPORT int MODULE_EXPORT int
MtxOrb_icon (Driver *drvthis, int x, int y, int icon) MtxOrb_icon (Driver *drvthis, int x, int y, int icon)
{ {
// PrivateData *p = drvthis->private_data;
static unsigned char heart_open[] = static unsigned char heart_open[] =
{ b__XXXXX, { b__XXXXX,
b__X_X_X, b__X_X_X,
@@ -1440,12 +1428,12 @@ MtxOrb_cursor (Driver *drvthis, int x, int y, int state)
/* set cursor state */ /* set cursor state */
switch (state) { switch (state) {
case CURSOR_OFF: // no cursor case CURSOR_OFF: /* no cursor */
write(p->fd, "\xFE" "K", 2); write(p->fd, "\xFE" "K", 2);
break; break;
case CURSOR_UNDER: // underline cursor case CURSOR_UNDER: /* underline cursor */
case CURSOR_BLOCK: // inverting blinking block case CURSOR_BLOCK: /* inverting blinking block */
case CURSOR_DEFAULT_ON: // blinking block case CURSOR_DEFAULT_ON: /* blinking block */
default: default:
write(p->fd, "\xFE" "J", 2); write(p->fd, "\xFE" "J", 2);
break; break;
@@ -1461,10 +1449,6 @@ MtxOrb_cursor (Driver *drvthis, int x, int y, int state)
* \param drvthis Pointer to driver structure. * \param drvthis Pointer to driver structure.
* \return String representation of the key. * \return String representation of the key.
* \c NULL if nothing available / unmapped key. * \c NULL if nothing available / unmapped key.
*
* \todo Recover the code for I2C connectivity to MtxOrb
* and don't query the LCD if it does not support keypad.
* Otherwise crash of the LCD and/or I2C bus.
*/ */
MODULE_EXPORT const char * MODULE_EXPORT const char *
MtxOrb_get_key (Driver *drvthis) MtxOrb_get_key (Driver *drvthis)
@@ -1473,7 +1457,7 @@ MtxOrb_get_key (Driver *drvthis)
char key = 0; char key = 0;
struct pollfd fds[1]; struct pollfd fds[1];
/* don't query the keyboard if there are no mapped keys; see \todo above */ /* don't query the keyboard if there are no mapped keys */
if ((p->keys == 0) && (!p->keypad_test_mode)) if ((p->keys == 0) && (!p->keypad_test_mode))
return NULL; return NULL;