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https://github.com/netfun2000/lcd4linux.git
synced 2026-02-27 09:44:34 +08:00
[lcd4linux @ 2006-04-17 08:10:42 by reinelt]
LCDLinux patch from Mattia; widget_image moved to EXTRA_SOURCE git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@659 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
@@ -1,4 +1,4 @@
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/* $Id: drv_LCDLinux.c,v 1.12 2006/01/30 06:25:52 reinelt Exp $
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/* $Id: drv_LCDLinux.c,v 1.13 2006/04/17 08:10:42 reinelt Exp $
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*
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* driver for the LCD-Linux HD44780 kernel driver
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* http://lcd-linux.sourceforge.net
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@@ -24,6 +24,9 @@
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*
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*
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* $Log: drv_LCDLinux.c,v $
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* Revision 1.13 2006/04/17 08:10:42 reinelt
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* LCDLinux patch from Mattia; widget_image moved to EXTRA_SOURCE
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*
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* Revision 1.12 2006/01/30 06:25:52 reinelt
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* added CVS Revision
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*
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@@ -171,7 +174,7 @@ static int drv_LL_start(const char *section, const int quiet)
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{
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char *s;
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int rows = -1, cols = -1;
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int use_busy = 0, commit = 0;
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int use_busy = 0, bus4bits = 0, commit = 0;
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struct lcd_parameters buf;
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/* emit version information */
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@@ -202,16 +205,15 @@ static int drv_LL_start(const char *section, const int quiet)
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error("%s: Could not query display information!", Name);
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return -1;
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}
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info("%s: %dx%d display with %d controllers, flags=0x%02x:", Name, buf.cntr_cols, buf.cntr_rows, buf.num_cntr,
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buf.flags);
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info("%s: %dx%d display with %d controllers, flags=0x%02x:",
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Name, buf.cntr_cols, buf.cntr_rows, buf.num_cntr, buf.flags);
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info("%s: busy-flag checking %sabled", Name, buf.flags & HD44780_CHECK_BF ? "en" : "dis");
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info("%s: bus width %d bits", Name, buf.flags & HD44780_4BITS_BUS ? 4 : 8);
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info("%s: font size %s", Name, buf.flags & HD44780_5X10_FONT ? "5x10" : "5x8");
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/* overwrite with size from lcd4linux.conf */
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/* overwrite width size from lcd4linux.conf */
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if ((rows > 0 && rows != buf.cntr_rows) || (cols > 0 && cols != buf.cntr_cols)) {
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info("%s: changing size to %dx%d", Name, cols, rows);
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buf.cntr_rows = rows;
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@@ -234,6 +236,18 @@ static int drv_LL_start(const char *section, const int quiet)
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commit = 1;
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}
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/* overwrite bus length from lcd4linux.conf */
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cfg_number(section, "Bus4Bit", 0, 0, 1, &bus4bits);
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if (bus4bits && !(buf.flags & HD44780_4BITS_BUS)) {
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info("%s: setting bus length to 4 bits", Name);
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buf.flags |= HD44780_4BITS_BUS;
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commit = 1;
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} else if (!bus4bits && (buf.flags & HD44780_4BITS_BUS)) {
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info("%s: setting bus length to 8 bits", Name);
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buf.flags &= ~HD44780_4BITS_BUS;
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commit = 1;
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}
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if (commit && ioctl(lcdlinux_fd, IOCTL_SET_PARAM, &buf) != 0) {
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error("%s: ioctl(IOCTL_SET_PARAM) failed: %s", Name, strerror(errno));
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return -1;
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@@ -297,7 +311,7 @@ int drv_LL_init(const char *section, const int quiet)
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int asc255bug;
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int ret;
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info("%s: %s", Name, "$Revision: 1.12 $");
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info("%s: %s", Name, "$Revision: 1.13 $");
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/* display preferences */
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XRES = 5; /* pixel width of one char */
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