[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

1 files changed, 238 insertions, 233 deletions

diff --git a/drv_BWCT.c b/drv_BWCT.c
index b8c1bd1..3202c17 100644
--- a/drv_BWCT.c
+++ b/drv_BWCT.c
@@ -1,4 +1,4 @@
-/* $Id: drv_BWCT.c,v 1.2 2005/01/18 06:30:22 reinelt Exp $
+/* $Id: drv_BWCT.c,v 1.3 2005/05/08 04:32:43 reinelt Exp $
  *
  * new style driver for BWCT USB LCD displays
  *
@@ -23,6 +23,9 @@
  *
  *
  * $Log: drv_BWCT.c,v $
+ * Revision 1.3  2005/05/08 04:32:43  reinelt
+ * CodingStyle added and applied
+ *
  * Revision 1.2  2005/01/18 06:30:22  reinelt
  * added (C) to all copyright statements
  *
@@ -74,7 +77,7 @@
 #define LCD_CONTRAST 4
 
 
-static char Name[]="BWCT";
+static char Name[] = "BWCT";
 
 static usb_dev_handle *lcd;
 static int interface;
@@ -87,186 +90,190 @@ extern int got_signal;
 /***  hardware dependant functions    ***/
 /****************************************/
 
-static int drv_BW_open (void)
+static int drv_BW_open(void)
 {
-  struct usb_bus *busses, *bus;
-  struct usb_device *dev;
-  
-  lcd = NULL;
-
-  info ("%s: scanning USB for BWCT LCD...", Name);
-
-  usb_debug = 0;
-  
-  usb_init();
-  usb_find_busses();
-  usb_find_devices();
-  busses = usb_get_busses();
-
-  for (bus = busses; bus; bus = bus->next) {
-    for (dev = bus->devices; dev; dev = dev->next) {
-      if (dev->descriptor.idVendor != LCD_USB_VENDOR) continue;
-      /* Loop through all of the configurations */
-      int c;
-      for (c = 0; c < dev->descriptor.bNumConfigurations; c++) {
-	int i;
-	for (i = 0; i < dev->config[c].bNumInterfaces; i++) {
-	  int a;
-	  for (a = 0; a < dev->config[c].interface[i].num_altsetting; a++) {
-	    if ((dev->descriptor.idProduct == LCD_USB_DEVICE) ||
-		((dev->config[c].interface[i].altsetting[a].bInterfaceClass == 0xff) && 
-		 (dev->config[c].interface[i].altsetting[a].bInterfaceSubClass == 0x01))) {
-	      info ("%s: found BWCT USB LCD on bus %s device %s", Name, bus->dirname, dev->filename);
-	      interface = i;
-	      lcd = usb_open(dev);
-	      if (usb_claim_interface(lcd, interface) < 0) {
-		error ("%s: usb_claim_interface() failed!", Name);
-		return -1;
-	      }
-	      return 0;
+    struct usb_bus *busses, *bus;
+    struct usb_device *dev;
+
+    lcd = NULL;
+
+    info("%s: scanning USB for BWCT LCD...", Name);
+
+    usb_debug = 0;
+
+    usb_init();
+    usb_find_busses();
+    usb_find_devices();
+    busses = usb_get_busses();
+
+    for (bus = busses; bus; bus = bus->next) {
+	for (dev = bus->devices; dev; dev = dev->next) {
+	    if (dev->descriptor.idVendor != LCD_USB_VENDOR)
+		continue;
+	    /* Loop through all of the configurations */
+	    int c;
+	    for (c = 0; c < dev->descriptor.bNumConfigurations; c++) {
+		int i;
+		for (i = 0; i < dev->config[c].bNumInterfaces; i++) {
+		    int a;
+		    for (a = 0; a < dev->config[c].interface[i].num_altsetting; a++) {
+			if ((dev->descriptor.idProduct == LCD_USB_DEVICE) ||
+			    ((dev->config[c].interface[i].altsetting[a].bInterfaceClass == 0xff) &&
+			     (dev->config[c].interface[i].altsetting[a].bInterfaceSubClass == 0x01))) {
+			    info("%s: found BWCT USB LCD on bus %s device %s", Name, bus->dirname, dev->filename);
+			    interface = i;
+			    lcd = usb_open(dev);
+			    if (usb_claim_interface(lcd, interface) < 0) {
+				error("%s: usb_claim_interface() failed!", Name);
+				return -1;
+			    }
+			    return 0;
+			}
+		    }
+		}
 	    }
-	  }
 	}
-      }
     }
-  }
-  return -1;
+    return -1;
 }
 
 
-static int drv_BW_close (void) 
+static int drv_BW_close(void)
 {
-  usb_release_interface(lcd, interface);
-  usb_close(lcd);
+    usb_release_interface(lcd, interface);
+    usb_close(lcd);
 
-  return 0;
+    return 0;
 }
 
 
-static int drv_BW_send (int request, int value)
+static int drv_BW_send(int request, int value)
 {
-  static int errors = 0;
-  
-  if (errors > 20) return -1;
-  
-  if (usb_control_msg(lcd, USB_TYPE_VENDOR, request, value, interface, NULL, 0, 1000) < 0) {
-    error("%s: USB request failed!", Name);
-    if (++errors > 20) {
-      error("%s: too many USB errors, aborting.", Name);
-      got_signal = -1;
+    static int errors = 0;
+
+    if (errors > 20)
+	return -1;
+
+    if (usb_control_msg(lcd, USB_TYPE_VENDOR, request, value, interface, NULL, 0, 1000) < 0) {
+	error("%s: USB request failed!", Name);
+	if (++errors > 20) {
+	    error("%s: too many USB errors, aborting.", Name);
+	    got_signal = -1;
+	}
+	return -1;
     }
-    return -1;
-  }
-  errors = 0;
-  return 0;
+    errors = 0;
+    return 0;
 }
 
 
-static void drv_BW_command (const unsigned char cmd)
+static void drv_BW_command(const unsigned char cmd)
 {
-  drv_BW_send (LCD_CMD, cmd);
+    drv_BW_send(LCD_CMD, cmd);
 }
 
 
-static void drv_BW_clear (void)
+static void drv_BW_clear(void)
 {
-  drv_BW_command (0x01); /* clear display */
-  drv_BW_command (0x03); /* return home */
+    drv_BW_command(0x01);	/* clear display */
+    drv_BW_command(0x03);	/* return home */
 }
 
 
-static void drv_BW_write (const int row, const int col, const char *data, int len)
+static void drv_BW_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_BW_command (0x80|pos);
-  
-  while (len--) {
-    drv_BW_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_BW_command(0x80 | pos);
+
+    while (len--) {
+	drv_BW_send(LCD_DATA, *data++);
+    }
 }
 
-static void drv_BW_defchar (const int ascii, const unsigned char *matrix)
+static void drv_BW_defchar(const int ascii, const unsigned char *matrix)
 {
-  int i;
-  
-  drv_BW_command (0x40|8*ascii);
+    int i;
+
+    drv_BW_command(0x40 | 8 * ascii);
 
-  for (i = 0; i < 8; i++) {
-    drv_BW_send (LCD_DATA, *matrix++ & 0x1f);
-  }
+    for (i = 0; i < 8; i++) {
+	drv_BW_send(LCD_DATA, *matrix++ & 0x1f);
+    }
 }
 
 
-static int drv_BW_contrast (int contrast)
+static int drv_BW_contrast(int contrast)
 {
-  if (contrast <   0) contrast =   0;
-  if (contrast > 255) contrast = 255;
+    if (contrast < 0)
+	contrast = 0;
+    if (contrast > 255)
+	contrast = 255;
 
-  drv_BW_send (LCD_CONTRAST, contrast);
+    drv_BW_send(LCD_CONTRAST, contrast);
 
-  return contrast;
+    return contrast;
 }
 
-  
-static int drv_BW_start (const char *section, const int quiet)
+
+static int drv_BW_start(const char *section, const int quiet)
 {
-  int contrast;
-  int rows=-1, cols=-1;
-  char *s;
+    int contrast;
+    int rows = -1, cols = -1;
+    char *s;
+
+    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;
+    }
 
-  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;
-  
-  if (drv_BW_open() < 0) {
-    error ("%s: could not find a BWCT USB LCD", Name);
-    return -1;
-  }
-
-  /* reset */
-  drv_BW_send (LCD_RESET, 0);
-
-  /* initialize display */
-  drv_BW_command (0x29); /* 8 Bit mode, 1/16 duty cycle, 5x8 font */
-  drv_BW_command (0x08); /* Display off, cursor off, blink off */
-  drv_BW_command (0x0c); /* Display on, cursor off, blink off */
-  drv_BW_command (0x06); /* curser moves to right, no shift */
-
-
-  if (cfg_number(section, "Contrast", 0, 0, 100, &contrast) > 0) {
-    drv_BW_contrast(contrast);
-  }
-
-  drv_BW_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_BW_clear();
+    DROWS = rows;
+    DCOLS = cols;
+
+    if (drv_BW_open() < 0) {
+	error("%s: could not find a BWCT USB LCD", Name);
+	return -1;
     }
-  }
-    
-  return 0;
+
+    /* reset */
+    drv_BW_send(LCD_RESET, 0);
+
+    /* initialize display */
+    drv_BW_command(0x29);	/* 8 Bit mode, 1/16 duty cycle, 5x8 font */
+    drv_BW_command(0x08);	/* Display off, cursor off, blink off */
+    drv_BW_command(0x0c);	/* Display on, cursor off, blink off */
+    drv_BW_command(0x06);	/* curser moves to right, no shift */
+
+
+    if (cfg_number(section, "Contrast", 0, 0, 100, &contrast) > 0) {
+	drv_BW_contrast(contrast);
+    }
+
+    drv_BW_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_BW_clear();
+	}
+    }
+
+    return 0;
 }
 
 
@@ -274,12 +281,12 @@ static int drv_BW_start (const char *section, const int quiet)
 /***            plugins               ***/
 /****************************************/
 
-static void plugin_contrast (RESULT *result, RESULT *arg1)
+static void plugin_contrast(RESULT * result, RESULT * arg1)
 {
-  double contrast;
-  
-  contrast = drv_BW_contrast(R2N(arg1));
-  SetResult(&result, R_NUMBER, &contrast); 
+    double contrast;
+
+    contrast = drv_BW_contrast(R2N(arg1));
+    SetResult(&result, R_NUMBER, &contrast);
 }
 
 
@@ -299,107 +306,105 @@ static void plugin_contrast (RESULT *result, RESULT *arg1)
 
 
 /* list models */
-int drv_BW_list (void)
+int drv_BW_list(void)
 {
-  printf ("generic");
-  return 0;
+    printf("generic");
+    return 0;
 }
 
 
 /* initialize driver & display */
-int drv_BW_init (const char *section, const int quiet)
+int drv_BW_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 */
-  GOTO_COST = 2;  /* number of bytes a goto command requires */
-  
-  /* real worker functions */
-  drv_generic_text_real_write   = drv_BW_write;
-  drv_generic_text_real_defchar = drv_BW_defchar;
-
-
-  /* start display */
-  if ((ret=drv_BW_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 */
-  AddFunction ("LCD::contrast", 1, plugin_contrast);
-
-  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 */
+    GOTO_COST = 2;		/* number of bytes a goto command requires */
+
+    /* real worker functions */
+    drv_generic_text_real_write = drv_BW_write;
+    drv_generic_text_real_defchar = drv_BW_defchar;
+
+
+    /* start display */
+    if ((ret = drv_BW_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 */
+    AddFunction("LCD::contrast", 1, plugin_contrast);
+
+    return 0;
 }
 
 
 /* close driver & display */
-int drv_BW_quit (const int quiet)
+int drv_BW_quit(const int quiet)
 {
 
-  info("%s: shutting down.", Name);
-  
-  drv_generic_text_quit();
-  
-  /* clear display */
-  drv_BW_clear();
-  
-  /* say goodbye... */
-  if (!quiet) {
-    drv_generic_text_greet ("goodbye!", NULL);
-  }
-  
-  debug ("closing USB connection");
-  drv_BW_close();
-  
-  return (0);
+    info("%s: shutting down.", Name);
+
+    drv_generic_text_quit();
+
+    /* clear display */
+    drv_BW_clear();
+
+    /* say goodbye... */
+    if (!quiet) {
+	drv_generic_text_greet("goodbye!", NULL);
+    }
+
+    debug("closing USB connection");
+    drv_BW_close();
+
+    return (0);
 }
 
 
 DRIVER drv_BWCT = {
-  name: Name,
-  list: drv_BW_list,
-  init: drv_BW_init,
-  quit: drv_BW_quit, 
+  name:Name,
+  list:drv_BW_list,
+  init:drv_BW_init,
+  quit:drv_BW_quit,
 };
-
-