diff options
Diffstat (limited to 'drv_generic_text.c')
| -rw-r--r-- | drv_generic_text.c | 243 |
1 files changed, 149 insertions, 94 deletions
diff --git a/drv_generic_text.c b/drv_generic_text.c index 64537f3..55b4e0c 100644 --- a/drv_generic_text.c +++ b/drv_generic_text.c @@ -1,4 +1,4 @@ -/* $Id: drv_generic_text.c,v 1.15 2004/06/01 06:45:30 reinelt Exp $ +/* $Id: drv_generic_text.c,v 1.16 2004/06/02 10:09:22 reinelt Exp $ * * generic driver helper for text-based displays * @@ -23,6 +23,10 @@ * * * $Log: drv_generic_text.c,v $ + * Revision 1.16 2004/06/02 10:09:22 reinelt + * + * splash screen for HD44780 + * * Revision 1.15 2004/06/01 06:45:30 reinelt * * some Fixme's processed @@ -266,6 +270,85 @@ static void drv_generic_text_resizeFB (int rows, int cols) } +// **************************************** +// *** generic text handling *** +// **************************************** + +int drv_generic_text_init (char *section, char *driver) +{ + + Section=section; + Driver=driver; + + // init display framebuffer + DisplayFB = (char*)malloc(DCOLS*DROWS*sizeof(char)); + memset (DisplayFB, ' ', DROWS*DCOLS*sizeof(char)); + + // init layout framebuffer + LROWS = 0; + LCOLS = 0; + LayoutFB=NULL; + drv_generic_text_resizeFB (DROWS, DCOLS); + + // sanity check + if (LayoutFB==NULL || DisplayFB==NULL) { + error ("%s: framebuffer could not be allocated: malloc() failed", Driver); + return -1; + } + + return 0; +} + + +// say hello to the user +int drv_generic_text_greet (char *message) +{ + int i; + int flag = 0; + + char *line1[] = { "* LCD4Linux " VERSION " *", + "LCD4Linux " VERSION, + "* LCD4Linux *", + "LCD4Linux", + "L4Linux", + NULL }; + + char *line2[] = { "http://lcd4linux.sourceforge.net", + "lcd4linux.sourceforge.net", + "http://lcd4linux.sf.net", + "lcd4linux.sf.net", + NULL }; + + + for (i = 0; line1[i]; i++) { + if (strlen(line1[i]) <= DCOLS) { + drv_generic_text_real_write (0, (DCOLS-strlen(line1[i]))/2, line1[i], strlen(line1[i])); + flag = 1; + break; + } + } + + if (DROWS >= 2) { + for (i = 0; line2[i]; i++) { + if (strlen(line2[i]) <= DCOLS) { + drv_generic_text_real_write (1, (DCOLS-strlen(line2[i]))/2, line2[i], strlen(line2[i])); + flag = 1; + break; + } + } + } + + if (message && DROWS >= 3) { + int len = strlen(message); + if ( len <= DCOLS) { + drv_generic_text_real_write (2, (DCOLS-len)/2, message, len); + flag = 1; + } + } + + return flag; +} + int drv_generic_text_draw (WIDGET *W) { @@ -312,10 +395,42 @@ int drv_generic_text_draw (WIDGET *W) } +int drv_generic_text_quit (void) { + + if (LayoutFB) { + free(LayoutFB); + LayoutFB=NULL; + } + + if (DisplayFB) { + free(DisplayFB); + DisplayFB=NULL; + } + + if (BarFB) { + free (BarFB); + BarFB=NULL; + } + widget_unregister(); + + return (0); +} + + // **************************************** // *** generic icon handling *** // **************************************** +int drv_generic_text_icon_init (void) +{ + if (cfg_number(Section, "Icons", 0, 0, CHARS, &ICONS)<0) return -1; + if (ICONS>0) { + info ("%s: reserving %d of %d user-defined characters for icons", Driver, ICONS, CHARS); + } + return 0; +} + + int drv_generic_text_icon_draw (WIDGET *W) { static int icon_counter=0; @@ -386,6 +501,39 @@ static void drv_generic_text_bar_clear(void) } +int drv_generic_text_bar_init (int single_segments) +{ + if (BarFB) free (BarFB); + + if ((BarFB=malloc (LROWS*LCOLS*sizeof(BAR)))==NULL) { + error ("bar buffer allocation failed: out of memory"); + return -1; + } + + Single_Segments = single_segments; + + nSegment=0; + fSegment=0; + + drv_generic_text_bar_clear(); + + return 0; +} + + +void drv_generic_text_bar_add_segment(int val1, int val2, DIRECTION dir, int ascii) +{ + Segment[fSegment].val1=val1; + Segment[fSegment].val2=val2; + Segment[fSegment].dir=dir; + Segment[fSegment].used=0; + Segment[fSegment].ascii=ascii; + + fSegment++; + nSegment=fSegment; +} + + static void drv_generic_text_bar_create_bar (int row, int col, DIRECTION dir, int len, int val1, int val2) { int rev=0; @@ -725,96 +873,3 @@ int drv_generic_text_bar_draw (WIDGET *W) } -// **************************************** -// *** generic init/quit *** -// **************************************** - -int drv_generic_text_init (char *section, char *driver) -{ - - Section=section; - Driver=driver; - - // init display framebuffer - DisplayFB = (char*)malloc(DCOLS*DROWS*sizeof(char)); - memset (DisplayFB, ' ', DROWS*DCOLS*sizeof(char)); - - // init layout framebuffer - LROWS = 0; - LCOLS = 0; - LayoutFB=NULL; - drv_generic_text_resizeFB (DROWS, DCOLS); - - // sanity check - if (LayoutFB==NULL || DisplayFB==NULL) { - error ("%s: framebuffer could not be allocated: malloc() failed", Driver); - return -1; - } - - return 0; -} - - -int drv_generic_text_icon_init (void) -{ - if (cfg_number(Section, "Icons", 0, 0, CHARS, &ICONS)<0) return -1; - if (ICONS>0) { - info ("%s: reserving %d of %d user-defined characters for icons", Driver, ICONS, CHARS); - } - return 0; -} - - -int drv_generic_text_bar_init (int single_segments) -{ - if (BarFB) free (BarFB); - - if ((BarFB=malloc (LROWS*LCOLS*sizeof(BAR)))==NULL) { - error ("bar buffer allocation failed: out of memory"); - return -1; - } - - Single_Segments = single_segments; - - nSegment=0; - fSegment=0; - - drv_generic_text_bar_clear(); - - return 0; -} - - -void drv_generic_text_bar_add_segment(int val1, int val2, DIRECTION dir, int ascii) -{ - Segment[fSegment].val1=val1; - Segment[fSegment].val2=val2; - Segment[fSegment].dir=dir; - Segment[fSegment].used=0; - Segment[fSegment].ascii=ascii; - - fSegment++; - nSegment=fSegment; -} - - -int drv_generic_text_quit (void) { - - if (LayoutFB) { - free(LayoutFB); - LayoutFB=NULL; - } - - if (DisplayFB) { - free(DisplayFB); - DisplayFB=NULL; - } - - if (BarFB) { - free (BarFB); - BarFB=NULL; - } - widget_unregister(); - - return (0); -} |