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package/lcd4linux: add driver for the LCD of the TEW-673GRU board

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git-svn-id: svn://svn.openwrt.org/openwrt/packages@30381 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2012-02-08 16:39:20 +00:00
parent 6a681f394e
commit f52c927a65
5 changed files with 896 additions and 2 deletions
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6
utils/lcd4linux/Config.in
View File

@ -240,6 +240,12 @@ config LCD4LINUX_CUSTOM_DRIVER_T6963
prompt "T6963"
select LCD4LINUX_CUSTOM_NEEDS_libgd
config LCD4LINUX_CUSTOM_DRIVER_TEW673GRU
bool
select LCD4LINUX_CUSTOM_NEEDS_libgd
depends on TARGET_ar71xx
default TARGET_ar71xx
config LCD4LINUX_CUSTOM_DRIVER_Trefon
bool
prompt "Trefon"

5
utils/lcd4linux/Makefile
View File

@ -1,5 +1,5 @@
#
# Copyright (C) 2007-2011 OpenWrt.org
# Copyright (C) 2007-2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=lcd4linux
PKG_REV:=1159
PKG_VERSION:=r$(PKG_REV)
PKG_RELEASE:=4
PKG_RELEASE:=5
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
PKG_SOURCE_URL:=https://ssl.bulix.org/svn/lcd4linux/trunk/
@ -58,6 +58,7 @@ LCD4LINUX_DRIVERS:= \
SimpleLCD \
st2205 \
T6963 \
$(if $(CONFIG_TARGET_ar71xx),TEW673GRU) \
Trefon \
USBHUB \
USBLCD \

289
utils/lcd4linux/patches/170-add-generic-spidev-driver.patch Normal file
View File

@ -0,0 +1,289 @@
--- a/Makefile.am
+++ b/Makefile.am
@@ -71,6 +71,8 @@ drv_generic_i2c.c \
drv_generic_i2c.h \
drv_generic_keypad.c \
drv_generic_keypad.h \
+drv_generic_spidev.c \
+drv_generic_spidev.h \
drv_ASTUSB.c \
drv_BeckmannEgle.c \
drv_BWCT.c \
--- /dev/null
+++ b/drv_generic_spidev.c
@@ -0,0 +1,89 @@
+/* $Id$
+ * $URL$
+ *
+ * generic driver helper for displays connected via SPI bus
+ *
+ * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#include "debug.h"
+#include "qprintf.h"
+#include "cfg.h"
+#include "drv_generic_spidev.h"
+
+static char *generic_spidev_section = "";
+static char *generic_spidev_driver = "";
+static int generic_spidev_fd;
+
+int drv_generic_spidev_open(const char *section, const char *driver)
+{
+ char *spidev;
+
+ udelay_init();
+
+ generic_spidev_section = (char *) section;
+ generic_spidev_driver = (char *) driver;
+
+ spidev = cfg_get(generic_spidev_section, "Port", NULL);
+
+ info("%s: initializing SPI device %s", generic_spidev_driver, spidev);
+ generic_spidev_fd = open(spidev, O_WRONLY);
+ if (generic_spidev_fd < 0) {
+ error("%s: unable to open SPI device %s!\n", generic_spidev_driver, spidev);
+ goto exit_error;
+ }
+
+ return 0;
+
+ exit_error:
+ free(spidev);
+ return -1;
+}
+
+int drv_generic_spidev_close(void)
+{
+ close(generic_spidev_fd);
+ return 0;
+}
+
+int drv_generic_spidev_transfer(const int count, struct spi_ioc_transfer *tr)
+{
+ int ret;
+
+ ret = ioctl(generic_spidev_fd, SPI_IOC_MESSAGE(count), tr);
+ if (ret < count) {
+ error("%s: can't send SPI message! (%s)\n",
+ generic_spidev_driver, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
--- /dev/null
+++ b/drv_generic_spidev.h
@@ -0,0 +1,54 @@
+/* $Id$
+ * $URL$
+ *
+ * generic driver helper for displays connected via SPI bus
+ *
+ * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2012 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ *
+ * exported fuctions:
+ *
+ * int drv_generic_spidev_open (const char *section, const char *driver)
+ * reads 'Port' entry from config and opens
+ * the SPI device
+ * returns 0 if ok, -1 on failure
+ *
+ * int drv_generic_spidev_close (void)
+ * closes SPI device
+ * returns 0 if ok, -1 on failure
+ *
+ * void drv_generic_spidev_transfer (int count, struct spi_ioc_transfer *tr)
+ * transfer data to/from the SPI device
+ *
+ */
+
+#ifndef _DRV_GENERIC_SPIDEV_H_
+#define _DRV_GENERIC_SPIDEV_H_
+
+#include <linux/spi/spidev.h>
+
+int drv_generic_spidev_open(const char *section, const char *driver);
+int drv_generic_spidev_close(void);
+int drv_generic_spidev_transfer(const int count, struct spi_ioc_transfer *tr);
+
+#endif /* _DRV_GENERIC_SPIDEV_H_ */
--- a/drivers.m4
+++ b/drivers.m4
@@ -232,9 +232,9 @@ for driver in $drivers; do
serdisplib)
SERDISPLIB=$val;
;;
- ShuttleVFD)
+ ShuttleVFD)
SHUTTLEVFD=$val
- ;;
+ ;;
SimpleLCD)
SIMPLELCD=$val
;;
@@ -285,6 +285,7 @@ PARPORT="no"
SERIAL="no"
I2C="no"
KEYPAD="no"
+SPIDEV="no"
# generic libraries
LIBUSB="no"
@@ -544,17 +545,17 @@ if test "$MATRIXORBITALGX" = "yes"; then
fi
fi
-if test "$MDM166A" = "yes"; then
- if test "$has_usb10" = "true"; then
+if test "$MDM166A" = "yes"; then
+ if test "$has_usb10" = "true"; then
GRAPHIC="yes"
- DRIVERS="$DRIVERS drv_mdm166a.o"
- GPIO="yes"
+ DRIVERS="$DRIVERS drv_mdm166a.o"
+ GPIO="yes"
LIBUSB10="yes"
- AC_DEFINE(WITH_MDM166A,1,[MDM166A driver])
- else
- AC_MSG_WARN(libusb-1.0/libusb.h not found: MDM166A driver disabled)
- fi
-fi
+ AC_DEFINE(WITH_MDM166A,1,[MDM166A driver])
+ else
+ AC_MSG_WARN(libusb-1.0/libusb.h not found: MDM166A driver disabled)
+ fi
+fi
if test "$MILINST" = "yes"; then
TEXT="yes"
@@ -630,7 +631,7 @@ if test "$PICOLCDGRAPHIC" = "yes"; then
if test "$has_usb" = "true"; then
TEXT="yes"
GRAPHIC="yes"
- KEYPAD="yes"
+ KEYPAD="yes"
GPIO="yes"
SERIAL="yes"
LIBUSB="yes"
@@ -698,17 +699,17 @@ if test "$SERDISPLIB" = "yes"; then
fi
fi
-if test "$SHUTTLEVFD" = "yes"; then
- if test "$has_usb" = "true"; then
- TEXT="yes"
- GPIO="yes"
- DRIVERS="$DRIVERS drv_ShuttleVFD.o"
- LIBUSB="yes"
- AC_DEFINE(WITH_SHUTTLEVFD,1,[ShuttleVFD driver])
- else
- AC_MSG_WARN(usb.h not found: ShuttleVFD driver disabled)
- fi
-fi
+if test "$SHUTTLEVFD" = "yes"; then
+ if test "$has_usb" = "true"; then
+ TEXT="yes"
+ GPIO="yes"
+ DRIVERS="$DRIVERS drv_ShuttleVFD.o"
+ LIBUSB="yes"
+ AC_DEFINE(WITH_SHUTTLEVFD,1,[ShuttleVFD driver])
+ else
+ AC_MSG_WARN(usb.h not found: ShuttleVFD driver disabled)
+ fi
+fi
if test "$SIMPLELCD" = "yes"; then
TEXT="yes"
@@ -786,7 +787,7 @@ fi
if test "$VNC" = "yes"; then
if test "$has_vncserverlib" = "true"; then
GRAPHIC="yes"
- KEYPAD="yes"
+ KEYPAD="yes"
DRIVERS="$DRIVERS drv_vnc.o"
DRVLIBS="$DRVLIBS -L/usr/local/lib -lvncserver -lz"
AC_DEFINE(WITH_VNC,1,[vnc driver])
@@ -874,6 +875,12 @@ if test "$KEYPAD" = "yes"; then
DRIVERS="$DRIVERS drv_generic_keypad.o"
fi
+# generic spidev driver
+if test "$SPIDEV" = "yes"; then
+ DRIVERS="$DRIVERS drv_generic_spidev.o"
+ AC_DEFINE(WITH_SPIDEV, 1, [SPIDEV driver])
+fi
+
# libusb
if test "$LIBUSB" = "yes"; then
DRVLIBS="$DRVLIBS -lusb"
@@ -892,6 +899,6 @@ fi
if test "$DRIVERS" = ""; then
AC_MSG_ERROR([You should include at least one driver...])
fi
-
+
AC_SUBST(DRIVERS)
AC_SUBST(DRVLIBS)
--- a/configure.in
+++ b/configure.in
@@ -108,6 +108,9 @@ fi
#AC_CHECK_HEADERS(asm/io.h)
AC_CHECK_HEADERS([asm/io.h] [linux/parport.h linux/ppdev.h], [has_parport="true"], [has_parport="false"])
+# check for spidev
+AC_CHECK_HEADERS([linux/spi/spidev.h], [has_spidev="true"], [has_spidev="false"])
+
# drivers
sinclude(drivers.m4)

45
utils/lcd4linux/patches/171-allow-to-specify-drv_generic_graphic_real_clear.patch Normal file
View File

@ -0,0 +1,45 @@
--- a/drv_generic_graphic.c
+++ b/drv_generic_graphic.c
@@ -24,7 +24,7 @@
*
*/
-/*
+/*
*
* exported functions:
*
@@ -98,6 +98,9 @@ static int INVERTED = 0;
/* must be implemented by the real driver */
void (*drv_generic_graphic_real_blit) () = NULL;
+/* can be implemented by the real driver */
+void (*drv_generic_graphic_real_clear) () = NULL;
+
/****************************************/
/*** generic Framebuffer stuff ***/
@@ -691,7 +694,10 @@ int drv_generic_graphic_clear(void)
for (i = 0; i < LCOLS * LROWS; i++)
drv_generic_graphic_FB[l][i] = NO_COL;
- drv_generic_graphic_blit(0, 0, LROWS, LCOLS);
+ if (drv_generic_graphic_real_clear)
+ drv_generic_graphic_real_clear(NO_COL);
+ else
+ drv_generic_graphic_blit(0, 0, LROWS, LCOLS);
return 0;
}
--- a/drv_generic_graphic.h
+++ b/drv_generic_graphic.h
@@ -40,6 +40,9 @@ extern RGBA NO_COL; /* no color (comple
/* these functions must be implemented by the real driver */
extern void (*drv_generic_graphic_real_blit) (const int row, const int col, const int height, const int width);
+/* these functions can be implemented by the real driver */
+void (*drv_generic_graphic_real_clear) (const RGBA rgba);
+
/* helper function to get pixel color or gray value */
extern RGBA drv_generic_graphic_rgb(const int row, const int col);
extern unsigned char drv_generic_graphic_gray(const int row, const int col);

553
utils/lcd4linux/patches/172-add-TEW673GRU-driver.patch Normal file
View File

@ -0,0 +1,553 @@
--- a/drivers.m4
+++ b/drivers.m4
@@ -38,7 +38,7 @@ AC_ARG_WITH(
[ LW_ABP, M50530, MatrixOrbital, MatrixOrbitalGX, MilfordInstruments, MDM166A,]
[ Newhaven, Noritake, NULL, Pertelian, PHAnderson,]
[ PICGraphic, picoLCD, picoLCDGraphic, PNG, PPM, RouterBoard,]
- [ Sample, serdisplib, ShuttleVFD, SimpleLCD, st2205, T6963,]
+ [ Sample, serdisplib, ShuttleVFD, SimpleLCD, st2205, T6963, TEW673GRU]
[ Trefon, ULA200, USBHUB, USBLCD, VNC, WincorNixdorf, X11],
drivers=$withval,
drivers=all
@@ -104,6 +104,7 @@ for driver in $drivers; do
SHUTTLEVFD="yes"
SIMPLELCD="yes"
T6963="yes"
+ TEW673GRU="yes"
Trefon="yes"
ULA200="yes"
USBHUB="yes"
@@ -244,6 +245,9 @@ for driver in $drivers; do
T6963)
T6963=$val
;;
+ TEW673GRU)
+ TEW673GRU=$val
+ ;;
Trefon)
Trefon=$val
;;
@@ -740,6 +744,18 @@ if test "$T6963" = "yes"; then
fi
fi
+if test "$TEW673GRU" = "yes"; then
+ if test "$has_spidev" = "true"; then
+ GRAPHIC="yes"
+ TEXT="yes"
+ SPIDEV="yes"
+ DRIVERS="$DRIVERS drv_TEW673GRU.o"
+ AC_DEFINE(WITH_TEW673GRU,1,[TEW673GRU driver])
+ else
+ AC_MSG_WARN(linux/spi/spidev.h not found: TEW673GRU driver disabled)
+ fi
+fi
+
if test "$Trefon" = "yes"; then
if test "$has_usb" = "true"; then
TEXT="yes"
--- a/drv.c
+++ b/drv.c
@@ -89,6 +89,7 @@ extern DRIVER drv_serdisplib;
extern DRIVER drv_ShuttleVFD;
extern DRIVER drv_SimpleLCD;
extern DRIVER drv_T6963;
+extern DRIVER drv_TEW673GRU;
extern DRIVER drv_Trefon;
extern DRIVER drv_ula200;
extern DRIVER drv_USBHUB;
@@ -232,6 +233,9 @@ DRIVER *Driver[] = {
#ifdef WITH_T6963
&drv_T6963,
#endif
+#ifdef WITH_TEW673GRU
+ &drv_TEW673GRU,
+#endif
#ifdef WITH_TREFON
&drv_Trefon,
#endif
--- a/Makefile.am
+++ b/Makefile.am
@@ -115,6 +115,7 @@ drv_serdisplib.c \
drv_ShuttleVFD.c \
drv_SimpleLCD.c \
drv_T6963.c \
+drv_TEW673GRU.c \
drv_Trefon.c \
drv_ula200.c \
drv_USBHUB.c \
--- /dev/null
+++ b/drv_TEW673GRU.c
@@ -0,0 +1,457 @@
+/* $Id$
+ * $URL$
+ *
+ * TRENDnet TEW673GRU LCD4linux driver
+ *
+ * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * based on the Sample driver which is:
+ * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2005, 2006, 2007 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * exported fuctions:
+ *
+ * struct DRIVER drv_TEW673GRU
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include "debug.h"
+#include "cfg.h"
+#include "qprintf.h"
+#include "udelay.h"
+#include "plugin.h"
+#include "widget.h"
+#include "widget_text.h"
+#include "widget_icon.h"
+#include "widget_bar.h"
+#include "drv.h"
+
+#include "drv_generic_text.h"
+#include "drv_generic_graphic.h"
+#include "drv_generic_spidev.h"
+
+#ifdef WITH_DMALLOC
+#include <dmalloc.h>
+#endif
+
+#define TEW673GRU_NUM_COLS 220
+#define TEW673GRU_NUM_ROWS 176
+#define TEW673GRU_BPP 2 /* bytes per pixel */
+
+#define TEW673GRU_CMD_SIZE 9
+#define TEW673GRU_NUM_ROW_BYTES (TEW673GRU_NUM_COLS * TEW673GRU_BPP)
+
+enum {
+ CMD_SHOW_STRING = 49,
+ CMD_SHOW_IMAGE_DIR = 52,
+ CMD_SCREEN_COLOR = 54,
+};
+
+static char Name[] = "TEW673GRU";
+
+static char *drv_TEW673GRU_FB;
+static long FB_SIZE;
+static int MODE;
+
+static unsigned int RGBAto16(RGBA rgb)
+{
+ return (((rgb.R >> 3) << 11) | ((rgb.G >> 2) << 5) | (rgb.B >> 3));
+}
+
+static unsigned char color_msb(unsigned int color)
+{
+ return color >> 8;
+}
+
+static unsigned char color_lsb(unsigned int color)
+{
+ return color & 0xff;
+}
+
+static void drv_TEW673GRU_hw_clear(const unsigned int color)
+{
+ unsigned char cmd[TEW673GRU_CMD_SIZE];
+ struct spi_ioc_transfer tr[1];
+
+ memset(tr, '\0', sizeof(tr));
+ memset(cmd, '\0', sizeof(cmd));
+
+ cmd[0] = CMD_SCREEN_COLOR;
+ cmd[7] = color_msb(color);
+ cmd[8] = color_lsb(color);
+
+ tr[0].tx_buf = (unsigned long) cmd;
+ tr[0].len = sizeof(cmd);
+
+ drv_generic_spidev_transfer(1, tr);
+}
+
+static void drv_TEW673GRU_hw_send_row(const int row, const int col, const char *data, const int width)
+{
+ unsigned char cmd[TEW673GRU_CMD_SIZE];
+ struct spi_ioc_transfer tr[2];
+ int datasize;
+
+ memset(tr, '\0', sizeof(tr));
+ memset(cmd, '\0', sizeof(cmd));
+
+ datasize = width * TEW673GRU_BPP;
+
+ cmd[0] = CMD_SHOW_IMAGE_DIR;
+ cmd[1] = col;
+ cmd[2] = col + width;
+ cmd[3] = row;
+ cmd[4] = row;
+ cmd[5] = datasize >> 8;
+ cmd[6] = datasize & 0xff;
+
+ tr[0].tx_buf = (unsigned long) cmd;
+ tr[0].len = sizeof(cmd);
+ tr[1].tx_buf = (unsigned long) data;
+ tr[1].len = datasize;
+
+ drv_generic_spidev_transfer(2, tr);
+}
+
+static void drv_TEW673GRU_hw_write_string(const int row, const int col, const char *data, const int datasize)
+{
+ unsigned char cmd[TEW673GRU_CMD_SIZE];
+ struct spi_ioc_transfer tr[2];
+ unsigned char len;
+
+ memset(tr, '\0', sizeof(tr));
+ memset(cmd, '\0', sizeof(cmd));
+
+ len = datasize & 0xff;
+ cmd[0] = CMD_SHOW_STRING;
+ cmd[1] = col;
+ cmd[2] = col + (XRES * len);
+ cmd[3] = row;
+ cmd[4] = row + YRES;
+ cmd[7] = 0;
+ cmd[8] = len;
+
+ tr[0].tx_buf = (unsigned long) cmd;
+ tr[0].len = sizeof(cmd);
+ tr[1].tx_buf = (unsigned long) data;
+ tr[1].len = datasize;
+
+ drv_generic_spidev_transfer(2, tr);
+}
+
+static void drv_TEW673GRU_FB_set_pixel(const int col, const unsigned int color)
+{
+ int pos;
+
+ pos = col * TEW673GRU_BPP;
+ drv_TEW673GRU_FB[pos] = color_msb(color);
+ drv_TEW673GRU_FB[pos + 1] = color_lsb(color);
+}
+
+static void drv_TEW673GRU_blit(const int row, const int col, const int height, const int width)
+{
+ int r, c;
+
+ debug("%s: update area r:%d c:%d w:%d h:%d", Name, row, col, height, width);
+
+ for (r = row; r < row + height; r++) {
+ for (c = col; c < col + width; c++) {
+ unsigned int color;
+ RGBA rgb;
+
+ rgb = drv_generic_graphic_rgb(r, c);
+ color = RGBAto16(rgb);
+ drv_TEW673GRU_FB_set_pixel(c, color);
+ }
+
+ if (width) {
+ char *data;
+
+ data = &drv_TEW673GRU_FB[col * TEW673GRU_BPP];
+ drv_TEW673GRU_hw_send_row(r, col, data, width);
+ udelay(100 + width * 50);
+ }
+ }
+}
+
+static void drv_TEW673GRU_clear(RGBA rgba)
+{
+ unsigned int color;
+
+ color = RGBAto16(rgba);
+ drv_TEW673GRU_hw_clear(color);
+}
+
+static void drv_TEW673GRU_write(const int row, const int col, const char *data, const int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ drv_TEW673GRU_hw_write_string(row * YRES, (col + i) * XRES, " ", 1);
+ udelay(10000);
+ drv_TEW673GRU_hw_write_string(row * YRES, 2 + (col + i) * XRES, " ", 1);
+ udelay(10000);
+ drv_TEW673GRU_hw_write_string(row * YRES, (col + i) * XRES, &data[i], 1);
+ udelay(10000);
+ }
+}
+
+static int drv_TEW673GRU_open(const char *section)
+{
+ int err;
+
+ err = drv_generic_spidev_open(section, Name);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int drv_TEW673GRU_close(void)
+{
+ drv_generic_spidev_close();
+ return 0;
+}
+
+static void drv_TEW673GRU_clear_screen(void)
+{
+ if (MODE) {
+ drv_generic_graphic_clear();
+ } else {
+ memset(drv_TEW673GRU_FB, ' ', FB_SIZE);
+ drv_TEW673GRU_hw_clear(0x0000);
+ }
+}
+
+static int drv_TEW673GRU_init_font(const char *section)
+{
+ char *font;
+ int ret = -1;
+
+ font = cfg_get(section, "Font", "6x8");
+ if (font == NULL) {
+ error("%s: no '%s.Font' entry from %s", Name, section, cfg_source());
+ goto out;
+ }
+
+ if (*font == '\0') {
+ error("%s: invalid '%s.Font' entry in %s", Name, section, cfg_source());
+ goto out_free;
+ }
+
+ XRES = -1;
+ YRES = -1;
+ if (sscanf(font, "%dx%d", &XRES, &YRES) != 2 ||
+ XRES < 1 ||
+ YRES < 1) {
+ error("%s: bad Font '%s' from %s", Name, font, cfg_source());
+ goto out_free;
+ }
+
+ if (XRES != 6 && YRES != 8) {
+ error("%s: bad Font '%s' from %s (only 6x8 at the moment)",
+ Name, font, cfg_source());
+ goto out_free;
+ }
+
+ error("%s: font '%s' selected", Name, font);
+
+ ret = 0;
+
+out_free:
+ free(font);
+out:
+ return ret;
+}
+
+static int drv_TEW673GRU_start(const char *section)
+{
+ int ret;
+
+ DCOLS = TEW673GRU_NUM_COLS;
+ DROWS = TEW673GRU_NUM_ROWS;
+
+ if (MODE) {
+ ret = drv_TEW673GRU_init_font(section);
+ if (ret)
+ goto err;
+
+ FB_SIZE = DCOLS * TEW673GRU_BPP;
+ } else {
+ XRES = 10;
+ YRES = 16;
+ DCOLS = DCOLS / XRES;
+ DROWS = DROWS / YRES;
+
+ FB_SIZE = DCOLS * DROWS;
+ }
+
+ if (FB_SIZE) {
+ drv_TEW673GRU_FB = malloc(FB_SIZE);
+ if (drv_TEW673GRU_FB == NULL) {
+ error("%s: framebuffer could not be allocated", Name);
+ goto err;
+ }
+ }
+
+ ret = drv_TEW673GRU_open(section);
+ if (ret < 0)
+ goto err_free;
+
+ if (MODE == 0)
+ drv_TEW673GRU_clear_screen();
+
+ return 0;
+
+ err_free:
+ if (drv_TEW673GRU_FB)
+ free(drv_TEW673GRU_FB);
+ err:
+ return -1;
+}
+
+static int drv_TEW673GRU_greet(const char *msg1, const char *msg2)
+{
+ if (MODE)
+ return drv_generic_graphic_greet(msg1, msg2);
+
+ return drv_generic_text_greet(msg1, msg2);
+}
+
+
+/****************************************/
+/*** widget callbacks ***/
+/****************************************/
+
+
+/* using drv_generic_text_draw(W) */
+/* using drv_generic_text_icon_draw(W) */
+/* using drv_generic_text_bar_draw(W) */
+/* using drv_generic_gpio_draw(W) */
+
+
+/****************************************/
+/*** exported functions ***/
+/****************************************/
+
+int drv_TEW673GRU_list(void)
+{
+ printf("TEW673GRU driver");
+ return 0;
+}
+
+int drv_TEW673GRU_init(const char *section, const int quiet)
+{
+ WIDGET_CLASS wc;
+ int ret;
+
+ cfg_number(section, "Mode", 0, 0, 1, &MODE);
+
+ if (MODE) {
+ drv_generic_graphic_real_blit = drv_TEW673GRU_blit;
+ drv_generic_graphic_real_clear = drv_TEW673GRU_clear;
+ } else {
+ drv_generic_text_real_write = drv_TEW673GRU_write;
+ }
+
+ ret = drv_TEW673GRU_start(section);
+ if (ret)
+ return ret;
+
+ if (MODE) {
+ ret = drv_generic_graphic_init(section, Name);
+ if (ret)
+ return ret;
+ } else {
+ ret = drv_generic_text_init(section, Name);
+ if (ret)
+ return ret;
+
+ ret = drv_generic_text_icon_init();
+ if (ret != 0)
+ return ret;
+
+ ret = drv_generic_text_bar_init(1);
+ if (ret != 0)
+ return ret;
+
+ drv_generic_text_bar_add_segment(0, 0, 255, ' ');
+ drv_generic_text_bar_add_segment(255, 255, 255, '#');
+
+ wc = Widget_Text;
+ wc.draw = drv_generic_text_draw;
+ widget_register(&wc);
+
+ wc = Widget_Icon;
+ wc.draw = drv_generic_text_icon_draw;
+ widget_register(&wc);
+
+ wc = Widget_Bar;
+ wc.draw = drv_generic_text_bar_draw;
+ widget_register(&wc);
+ }
+
+ if (!quiet) {
+ char buffer[40];
+ qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
+ drv_TEW673GRU_greet(buffer, "www.openwrt.org");
+ sleep(3);
+ drv_TEW673GRU_clear_screen();
+ }
+
+ return 0;
+}
+
+int drv_TEW673GRU_quit(const int quiet)
+{
+
+ info("%s: shutting down.", Name);
+
+ drv_TEW673GRU_clear_screen();
+
+ if (!quiet)
+ drv_TEW673GRU_greet("goodbye!", NULL);
+
+ if (MODE)
+ drv_generic_graphic_quit();
+ else
+ drv_generic_text_quit();
+
+ debug("closing connection");
+ drv_TEW673GRU_close();
+
+ return (0);
+}
+
+DRIVER drv_TEW673GRU = {
+ .name = Name,
+ .list = drv_TEW673GRU_list,
+ .init = drv_TEW673GRU_init,
+ .quit = drv_TEW673GRU_quit,
+};
--- a/lcd4linux.conf.sample
+++ b/lcd4linux.conf.sample
@@ -547,6 +547,12 @@ Display VNC {
HttpPort '5800'
}
+Display TEW673GRU {
+ Driver 'TEW673GRU'
+ Font '6x8'
+ Port '/dev/spidev1.0'
+}
+
#Plugin KVV {
# StationID '12_701'
# Refresh 30