From dbf5d92605a9db10e3e3cb154d03a515c5d5c5af Mon Sep 17 00:00:00 2001 From: reinelt Date: Sun, 8 May 2005 04:32:45 +0000 Subject: [lcd4linux @ 2005-05-08 04:32:43 by reinelt] CodingStyle added and applied git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@547 3ae390bd-cb1e-0410-b409-cd5a39f66f1f --- drv_LCDTerm.c | 330 +++++++++++++++++++++++++++++----------------------------- 1 file changed, 166 insertions(+), 164 deletions(-) (limited to 'drv_LCDTerm.c') diff --git a/drv_LCDTerm.c b/drv_LCDTerm.c index 51c7ff1..133079e 100644 --- a/drv_LCDTerm.c +++ b/drv_LCDTerm.c @@ -1,4 +1,4 @@ -/* $Id: drv_LCDTerm.c,v 1.3 2005/01/22 22:57:57 reinelt Exp $ +/* $Id: drv_LCDTerm.c,v 1.4 2005/05/08 04:32:44 reinelt Exp $ * * driver for the LCDTerm serial-to-HD44780 adapter boards * http://www.bobblick.com/techref/projects/lcdterm/lcdterm.html @@ -24,6 +24,9 @@ * * * $Log: drv_LCDTerm.c,v $ + * Revision 1.4 2005/05/08 04:32:44 reinelt + * CodingStyle added and applied + * * Revision 1.3 2005/01/22 22:57:57 reinelt * LCD-Linux driver added * @@ -60,113 +63,114 @@ #include "drv_generic_text.h" #include "drv_generic_serial.h" -#define LCD_CLEAR 0x03 +#define LCD_CLEAR 0x03 #define LCD_CMD 0x12 #define LCD_DATA 0x14 -static char Name[]="LCDTerm"; +static char Name[] = "LCDTerm"; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ -static void drv_LT_clear (void) +static void drv_LT_clear(void) { - char cmd[1]; - - cmd[0] = LCD_CLEAR; /* clear display */ - drv_generic_serial_write (cmd, 1); /* clear screen */ + char cmd[1]; + + cmd[0] = LCD_CLEAR; /* clear display */ + drv_generic_serial_write(cmd, 1); /* clear screen */ } -static int drv_LT_send (const char request, const char value) +static int drv_LT_send(const char request, const char value) { - char buf[2]; + char buf[2]; - buf[0] = request; - buf[1] = value; - drv_generic_serial_write (buf, 2); - - return 0; + buf[0] = request; + buf[1] = value; + drv_generic_serial_write(buf, 2); + + return 0; } -static void drv_LT_command (const char cmd) +static void drv_LT_command(const char cmd) { - drv_LT_send (LCD_CMD, cmd); + drv_LT_send(LCD_CMD, cmd); } -static void drv_LT_write (const int row, const int col, const char *data, int len) +static void drv_LT_write(const int row, const int col, const char *data, int len) { - int pos; - - /* 16x4 Displays use a slightly different layout */ - if (DCOLS==16 && DROWS==4) { - pos = (row%2)*64+(row/2)*16+col; - } else { - pos = (row%2)*64+(row/2)*20+col; - } - - drv_LT_command (0x80|pos); - - while (len--) { - drv_LT_send (LCD_DATA, *data++); - } + int pos; + + /* 16x4 Displays use a slightly different layout */ + if (DCOLS == 16 && DROWS == 4) { + pos = (row % 2) * 64 + (row / 2) * 16 + col; + } else { + pos = (row % 2) * 64 + (row / 2) * 20 + col; + } + + drv_LT_command(0x80 | pos); + + while (len--) { + drv_LT_send(LCD_DATA, *data++); + } } -static void drv_LT_defchar (const int ascii, const unsigned char *matrix) +static void drv_LT_defchar(const int ascii, const unsigned char *matrix) { - int i; - - drv_LT_command (0x40|8*ascii); + int i; + + drv_LT_command(0x40 | 8 * ascii); - for (i = 0; i < 8; i++) { - drv_LT_send (LCD_DATA, *matrix++ & 0x1f); - } + for (i = 0; i < 8; i++) { + drv_LT_send(LCD_DATA, *matrix++ & 0x1f); + } } -static int drv_LT_start (const char *section, const int quiet) +static int drv_LT_start(const char *section, const int quiet) { - int rows=-1, cols=-1; - char *s; - - if (drv_generic_serial_open(section, Name, 0) < 0) return -1; - - s=cfg_get(section, "Size", NULL); - if (s==NULL || *s=='\0') { - error ("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); - return -1; - } - if (sscanf(s,"%dx%d",&cols,&rows)!=2 || rows<1 || cols<1) { - error ("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source()); - free (s); - return -1; - } - - DROWS = rows; - DCOLS = cols; - - /* initialize display */ - drv_LT_command (0x29); /* 8 Bit mode, 1/16 duty cycle, 5x8 font */ - drv_LT_command (0x08); /* Display off, cursor off, blink off */ - drv_LT_command (0x0c); /* Display on, cursor off, blink off */ - drv_LT_command (0x06); /* curser moves to right, no shift */ - - drv_LT_clear(); /* clear display */ - - if (!quiet) { - char buffer[40]; - qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); - if (drv_generic_text_greet (buffer, "www.bwct.de")) { - sleep (3); - drv_LT_clear(); + int rows = -1, cols = -1; + char *s; + + if (drv_generic_serial_open(section, Name, 0) < 0) + return -1; + + s = cfg_get(section, "Size", NULL); + if (s == NULL || *s == '\0') { + error("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); + return -1; + } + if (sscanf(s, "%dx%d", &cols, &rows) != 2 || rows < 1 || cols < 1) { + error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source()); + free(s); + return -1; } - } - - return 0; + + DROWS = rows; + DCOLS = cols; + + /* initialize display */ + drv_LT_command(0x29); /* 8 Bit mode, 1/16 duty cycle, 5x8 font */ + drv_LT_command(0x08); /* Display off, cursor off, blink off */ + drv_LT_command(0x0c); /* Display on, cursor off, blink off */ + drv_LT_command(0x06); /* curser moves to right, no shift */ + + drv_LT_clear(); /* clear display */ + + if (!quiet) { + char buffer[40]; + qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); + if (drv_generic_text_greet(buffer, "www.bwct.de")) { + sleep(3); + drv_LT_clear(); + } + } + + return 0; } @@ -193,108 +197,106 @@ static int drv_LT_start (const char *section, const int quiet) /* list models */ -int drv_LT_list (void) +int drv_LT_list(void) { - printf ("generic"); - return 0; + printf("generic"); + return 0; } /* initialize driver & display */ -int drv_LT_init (const char *section, const int quiet) +int drv_LT_init(const char *section, const int quiet) { - WIDGET_CLASS wc; - int asc255bug; - int ret; - - /* display preferences */ - XRES = 5; /* pixel width of one char */ - YRES = 8; /* pixel height of one char */ - CHARS = 8; /* number of user-defineable characters */ - CHAR0 = 0; /* ASCII of first user-defineable char */ - - /* Fixme: */ - GOTO_COST = 2; /* number of bytes a goto command requires */ - - /* real worker functions */ - drv_generic_text_real_write = drv_LT_write; - drv_generic_text_real_defchar = drv_LT_defchar; - - - /* start display */ - if ((ret=drv_LT_start (section, quiet))!=0) - return ret; - - /* initialize generic text driver */ - if ((ret=drv_generic_text_init(section, Name))!=0) - return ret; - - /* initialize generic icon driver */ - if ((ret=drv_generic_text_icon_init())!=0) - return ret; - - /* initialize generic bar driver */ - if ((ret=drv_generic_text_bar_init(0))!=0) - return ret; - - /* add fixed chars to the bar driver */ - /* most displays have a full block on ascii 255, but some have kind of */ - /* an 'inverted P'. If you specify 'asc255bug 1 in the config, this */ - /* char will not be used, but rendered by the bar driver */ - cfg_number(section, "asc255bug", 0, 0, 1, &asc255bug); - drv_generic_text_bar_add_segment ( 0, 0,255, 32); /* ASCII 32 = blank */ - if (!asc255bug) - drv_generic_text_bar_add_segment (255,255,255,255); /* ASCII 255 = block */ - - /* register text widget */ - wc=Widget_Text; - wc.draw=drv_generic_text_draw; - widget_register(&wc); - - /* register icon widget */ - wc=Widget_Icon; - wc.draw=drv_generic_text_icon_draw; - widget_register(&wc); - - /* register bar widget */ - wc=Widget_Bar; - wc.draw=drv_generic_text_bar_draw; - widget_register(&wc); - - /* register plugins */ - /* none */ - - return 0; + WIDGET_CLASS wc; + int asc255bug; + int ret; + + /* display preferences */ + XRES = 5; /* pixel width of one char */ + YRES = 8; /* pixel height of one char */ + CHARS = 8; /* number of user-defineable characters */ + CHAR0 = 0; /* ASCII of first user-defineable char */ + + /* Fixme: */ + GOTO_COST = 2; /* number of bytes a goto command requires */ + + /* real worker functions */ + drv_generic_text_real_write = drv_LT_write; + drv_generic_text_real_defchar = drv_LT_defchar; + + + /* start display */ + if ((ret = drv_LT_start(section, quiet)) != 0) + return ret; + + /* initialize generic text driver */ + if ((ret = drv_generic_text_init(section, Name)) != 0) + return ret; + + /* initialize generic icon driver */ + if ((ret = drv_generic_text_icon_init()) != 0) + return ret; + + /* initialize generic bar driver */ + if ((ret = drv_generic_text_bar_init(0)) != 0) + return ret; + + /* add fixed chars to the bar driver */ + /* most displays have a full block on ascii 255, but some have kind of */ + /* an 'inverted P'. If you specify 'asc255bug 1 in the config, this */ + /* char will not be used, but rendered by the bar driver */ + cfg_number(section, "asc255bug", 0, 0, 1, &asc255bug); + drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */ + if (!asc255bug) + drv_generic_text_bar_add_segment(255, 255, 255, 255); /* ASCII 255 = block */ + + /* register text widget */ + wc = Widget_Text; + wc.draw = drv_generic_text_draw; + widget_register(&wc); + + /* register icon widget */ + wc = Widget_Icon; + wc.draw = drv_generic_text_icon_draw; + widget_register(&wc); + + /* register bar widget */ + wc = Widget_Bar; + wc.draw = drv_generic_text_bar_draw; + widget_register(&wc); + + /* register plugins */ + /* none */ + + return 0; } /* close driver & display */ -int drv_LT_quit (const int quiet) +int drv_LT_quit(const int quiet) { - info("%s: shutting down.", Name); - - drv_generic_text_quit(); - - /* clear display */ - drv_LT_clear(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_text_greet ("goodbye!", NULL); - } - - drv_generic_serial_close(); - - return (0); + info("%s: shutting down.", Name); + + drv_generic_text_quit(); + + /* clear display */ + drv_LT_clear(); + + /* say goodbye... */ + if (!quiet) { + drv_generic_text_greet("goodbye!", NULL); + } + + drv_generic_serial_close(); + + return (0); } DRIVER drv_LCDTerm = { - name: Name, - list: drv_LT_list, - init: drv_LT_init, - quit: drv_LT_quit, + name:Name, + list:drv_LT_list, + init:drv_LT_init, + quit:drv_LT_quit, }; - - -- cgit v1.2.3