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_BWCT.c | 471 +++++++++++++++++++++++++++++++------------------------------ 1 file changed, 238 insertions(+), 233 deletions(-) (limited to 'drv_BWCT.c') 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, }; - - -- cgit v1.2.3