[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, 237 insertions, 234 deletions

diff --git a/drv_Trefon.c b/drv_Trefon.c
index a7fac91..bdf4670 100644
--- a/drv_Trefon.c
+++ b/drv_Trefon.c
@@ -1,4 +1,4 @@
-/* $Id: drv_Trefon.c,v 1.2 2005/04/24 05:27:09 reinelt Exp $
+/* $Id: drv_Trefon.c,v 1.3 2005/05/08 04:32:44 reinelt Exp $
  *
  * driver for TREFON USB LCD displays
  *
@@ -23,6 +23,9 @@
  *
  *
  * $Log: drv_Trefon.c,v $
+ * Revision 1.3  2005/05/08 04:32:44  reinelt
+ * CodingStyle added and applied
+ *
  * Revision 1.2  2005/04/24 05:27:09  reinelt
  * Trefon Backlight added
  *
@@ -74,7 +77,7 @@
 #define PKT_CTRL      0x06
 #define PKT_END       0xff
 
-static char Name[]="TREFON";
+static char Name[] = "TREFON";
 
 static usb_dev_handle *lcd;
 static int interface;
@@ -87,189 +90,190 @@ extern int got_signal;
 /***  hardware dependant functions    ***/
 /****************************************/
 
-static int drv_TF_open (void)
+static int drv_TF_open(void)
 {
-  struct usb_bus *busses, *bus;
-  struct usb_device *dev;
-  
-  lcd = NULL;
-
-  info ("%s: scanning USB for TREFON 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) &&
-	  (dev->descriptor.idProduct == LCD_USB_DEVICE)) {
-	info ("%s: found TREFON USB LCD on bus %s device %s", Name, bus->dirname, dev->filename);
-	lcd = usb_open(dev);
-	if (usb_set_configuration(lcd, 1) < 0) {
-	  error ("%s: usb_set_configuration() failed!", Name);
-	  return -1;
-	}
-	interface = 0;
-	if (usb_claim_interface(lcd, interface) < 0) {
-	  error ("%s: usb_claim_interface() failed!", Name);
-	  return -1;
+    struct usb_bus *busses, *bus;
+    struct usb_device *dev;
+
+    lcd = NULL;
+
+    info("%s: scanning USB for TREFON 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) && (dev->descriptor.idProduct == LCD_USB_DEVICE)) {
+		info("%s: found TREFON USB LCD on bus %s device %s", Name, bus->dirname, dev->filename);
+		lcd = usb_open(dev);
+		if (usb_set_configuration(lcd, 1) < 0) {
+		    error("%s: usb_set_configuration() failed!", Name);
+		    return -1;
+		}
+		interface = 0;
+		if (usb_claim_interface(lcd, interface) < 0) {
+		    error("%s: usb_claim_interface() failed!", Name);
+		    return -1;
+		}
+		return 0;
+	    }
 	}
-	return 0;
-      }
     }
-  }
-  return -1;
+    return -1;
 }
 
 
-static int drv_TF_close (void) 
+static int drv_TF_close(void)
 {
-  usb_release_interface(lcd, interface);
-  usb_close(lcd);
+    usb_release_interface(lcd, interface);
+    usb_close(lcd);
 
-  return 0;
+    return 0;
 }
 
 
-static void drv_TF_send (char *data, int size)
+static void drv_TF_send(char *data, int size)
 {
-  char buffer[64];
+    char buffer[64];
 
-  /* the controller always wants a 64-byte packet */
-  memset (buffer, 0, 64);
-  memcpy (buffer, data, size);
+    /* the controller always wants a 64-byte packet */
+    memset(buffer, 0, 64);
+    memcpy(buffer, data, size);
 
-  // Endpoint hardcoded to 2
-  usb_bulk_write(lcd, 2, buffer, 64, 2000);
+    // Endpoint hardcoded to 2
+    usb_bulk_write(lcd, 2, buffer, 64, 2000);
 }
 
 
-static void drv_TF_command (const unsigned char cmd)
+static void drv_TF_command(const unsigned char cmd)
 {
-  char buffer[4] = { PKT_START, PKT_CTRL, 0, PKT_END };
-  buffer[2] = cmd;
-  drv_TF_send(buffer, 4);
+    char buffer[4] = { PKT_START, PKT_CTRL, 0, PKT_END };
+    buffer[2] = cmd;
+    drv_TF_send(buffer, 4);
 }
 
 
-static void drv_TF_clear (void)
+static void drv_TF_clear(void)
 {
-  drv_TF_command (0x01);
+    drv_TF_command(0x01);
 }
 
 
-static void drv_TF_write (const int row, const int col, const char *data, const int len)
+static void drv_TF_write(const int row, const int col, const char *data, const int len)
 {
-  char buffer[64];
-  char *p;
-  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;
-  }
-  
-  /* I'd like to combine the GOTO and the data into one packet, 
-   * unfortunately the Trefon doesn't like it :-(
-   */
-  
-  drv_TF_command (0x80|pos);
-  
-  p = buffer;
-  *p++ = PKT_START;
-  *p++ = PKT_DATA;
-  *p++ = (char) len;
-  for (pos = 0; pos < len; pos++) {
-    *p++ = *data++;
-  }
-  *p++ = PKT_END;
-
-  drv_TF_send(buffer, len+3);
+    char buffer[64];
+    char *p;
+    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;
+    }
+
+    /* I'd like to combine the GOTO and the data into one packet, 
+     * unfortunately the Trefon doesn't like it :-(
+     */
+
+    drv_TF_command(0x80 | pos);
+
+    p = buffer;
+    *p++ = PKT_START;
+    *p++ = PKT_DATA;
+    *p++ = (char) len;
+    for (pos = 0; pos < len; pos++) {
+	*p++ = *data++;
+    }
+    *p++ = PKT_END;
+
+    drv_TF_send(buffer, len + 3);
 }
 
-static void drv_TF_defchar (const int ascii, const unsigned char *matrix)
+static void drv_TF_defchar(const int ascii, const unsigned char *matrix)
 {
 
-  char buffer[14] = "\002\006x\002x01234567\377";
-  char *p;
-  int i;
-  
-  p = buffer;
-  *p++ = PKT_START;
-  *p++ = PKT_CTRL;
-  *p++ = 0x40|8*ascii;
-  *p++ = PKT_DATA;
-  *p++ = 8; /* data length */
-  for (i = 0; i < 8; i++) {
-    *p++ = *matrix++ & 0x1f;
-  }
-  *p++ = PKT_END;
-
-  drv_TF_send(buffer, 14);
+    char buffer[14] = "\002\006x\002x01234567\377";
+    char *p;
+    int i;
+
+    p = buffer;
+    *p++ = PKT_START;
+    *p++ = PKT_CTRL;
+    *p++ = 0x40 | 8 * ascii;
+    *p++ = PKT_DATA;
+    *p++ = 8;			/* data length */
+    for (i = 0; i < 8; i++) {
+	*p++ = *matrix++ & 0x1f;
+    }
+    *p++ = PKT_END;
+
+    drv_TF_send(buffer, 14);
 }
 
 
-static int drv_TF_backlight (int backlight)
+static int drv_TF_backlight(int backlight)
 {
-  char buffer[4] = { PKT_START, PKT_BACKLIGHT, 0, PKT_END };
+    char buffer[4] = { PKT_START, PKT_BACKLIGHT, 0, PKT_END };
 
-  if (backlight < 0) backlight = 0;
-  if (backlight > 1) backlight = 1;
+    if (backlight < 0)
+	backlight = 0;
+    if (backlight > 1)
+	backlight = 1;
 
-  buffer[2] = backlight;
-  drv_TF_send(buffer, 4);
+    buffer[2] = backlight;
+    drv_TF_send(buffer, 4);
 
-  return backlight;
+    return backlight;
 }
 
-  
-static int drv_TF_start (const char *section, const int quiet)
+
+static int drv_TF_start(const char *section, const int quiet)
 {
-  int backlight;
-  int rows=-1, cols=-1;
-  char *s;
+    int backlight;
+    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_TF_open() < 0) {
-    error ("%s: could not find a TREFON USB LCD", Name);
-    return -1;
-  }
-
-  if (cfg_number(section, "Backlight", 1, 0, 1, &backlight) > 0) {
-    drv_TF_backlight (backlight);
-  }
-
-  drv_TF_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.trefon.de")) {
-      sleep (3);
-      drv_TF_clear();
+    DROWS = rows;
+    DCOLS = cols;
+
+    if (drv_TF_open() < 0) {
+	error("%s: could not find a TREFON USB LCD", Name);
+	return -1;
+    }
+
+    if (cfg_number(section, "Backlight", 1, 0, 1, &backlight) > 0) {
+	drv_TF_backlight(backlight);
+    }
+
+    drv_TF_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.trefon.de")) {
+	    sleep(3);
+	    drv_TF_clear();
+	}
     }
-  }
-    
-  return 0;
+
+    return 0;
 }
 
 
@@ -277,12 +281,12 @@ static int drv_TF_start (const char *section, const int quiet)
 /***            plugins               ***/
 /****************************************/
 
-static void plugin_backlight (RESULT *result, RESULT *arg1)
+static void plugin_backlight(RESULT * result, RESULT * arg1)
 {
-  double backlight;
-  
-  backlight = drv_TF_backlight(R2N(arg1));
-  SetResult(&result, R_NUMBER, &backlight); 
+    double backlight;
+
+    backlight = drv_TF_backlight(R2N(arg1));
+    SetResult(&result, R_NUMBER, &backlight);
 }
 
 
@@ -302,106 +306,105 @@ static void plugin_backlight (RESULT *result, RESULT *arg1)
 
 
 /* list models */
-int drv_TF_list (void)
+int drv_TF_list(void)
 {
-  printf ("generic");
-  return 0;
+    printf("generic");
+    return 0;
 }
 
 
 /* initialize driver & display */
-int drv_TF_init (const char *section, const int quiet)
+int drv_TF_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 = 1;      /* ASCII of first user-defineable char */
-  GOTO_COST = 64; /* number of bytes a goto command requires */
-  
-  /* real worker functions */
-  drv_generic_text_real_write   = drv_TF_write;
-  drv_generic_text_real_defchar = drv_TF_defchar;
-
-
-  /* start display */
-  if ((ret=drv_TF_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::backlight", 1, plugin_backlight);
-
-  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 = 1;			/* ASCII of first user-defineable char */
+    GOTO_COST = 64;		/* number of bytes a goto command requires */
+
+    /* real worker functions */
+    drv_generic_text_real_write = drv_TF_write;
+    drv_generic_text_real_defchar = drv_TF_defchar;
+
+
+    /* start display */
+    if ((ret = drv_TF_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::backlight", 1, plugin_backlight);
+
+    return 0;
 }
 
 
 /* close driver & display */
-int drv_TF_quit (const int quiet)
+int drv_TF_quit(const int quiet)
 {
 
-  info("%s: shutting down.", Name);
-  
-  drv_generic_text_quit();
-  
-  /* clear display */
-  drv_TF_clear();
-  
-  /* say goodbye... */
-  if (!quiet) {
-    drv_generic_text_greet ("goodbye!", NULL);
-  }
-  
-  debug ("closing USB connection");
-  drv_TF_close();
-  
-  return (0);
+    info("%s: shutting down.", Name);
+
+    drv_generic_text_quit();
+
+    /* clear display */
+    drv_TF_clear();
+
+    /* say goodbye... */
+    if (!quiet) {
+	drv_generic_text_greet("goodbye!", NULL);
+    }
+
+    debug("closing USB connection");
+    drv_TF_close();
+
+    return (0);
 }
 
 
 DRIVER drv_Trefon = {
-  name: Name,
-  list: drv_TF_list,
-  init: drv_TF_init,
-  quit: drv_TF_quit, 
+  name:Name,
+  list:drv_TF_list,
+  init:drv_TF_init,
+  quit:drv_TF_quit,
 };
-