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drv_MatrixOrbitalGX.c
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drv_MatrixOrbitalGX.c
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/* $Id: drv_MatrixOrbitalGX.c 975 2009-02-27 18:50:20Z abbas $
* $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_MatrixOrbitalGX.c $
*
* driver for Matrix Orbital GX Series Graphic(240x64) displays from matrixorbital.com
*
* Copyright (C) 2009 Abbas Kosan <[email protected]>
* Copyright (C) 2005, 2006, 2007 The LCD4Linux Team
*
* 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_MatrixOrbitalGX
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
//#include <termios.h>
//#include <fcntl.h>
//#include <sys/ioctl.h>
//#include <sys/time.h>
#include <usb.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_graphic.h"
#define MatrixOrbitalGX_VENDOR 0x1b3d
#define MatrixOrbitalGX_DEVICE_1 0x000a
#define MatrixOrbitalGX_DEVICE_2 0x000b
#define MatrixOrbitalGX_DEVICE_3 0x000c
/********Matrix Orbital GX Series*********/
#define INTERFACE_ 0
#define BULK_OUT_ENDPOINT 0x05
#define BULK_IN_ENDPOINT 0x82
#define SCREEN_H 64
#define SCREEN_W 240
#define SCREEN_SIZE (SCREEN_H * SCREEN_W)
/*****************************************/
#if 1
#define DEBUG(x) debug("%s(): %s", __FUNCTION__, x);
#else
#define DEBUG(x)
#endif
static char Name[] = "MatrixOrbitalGX";
static unsigned char *MOGX_framebuffer;
/* used to display white text on blue background or inverse */
static unsigned char invert = 0x00;
static unsigned char backlight_RGB = 0;
static usb_dev_handle *lcd_dev;
/*
int mygetch(void)
{
struct termios oldt, newt;
int ch;
tcgetattr( STDIN_FILENO, &oldt );
newt = oldt;
newt.c_lflag &= ~( ICANON | ECHO );
tcsetattr( STDIN_FILENO, TCSANOW, &newt );
ch = getchar();
tcsetattr( STDIN_FILENO, TCSANOW, &oldt );
return ch;
}
*/
/****************************************/
/*** hardware dependant functions ***/
/****************************************/
static int drv_MOGX_open(void)
{
struct usb_bus *busses, *bus;
struct usb_device *dev;
char driver[1024];
char product[1024];
char manufacturer[1024];
char serialnumber[1024];
int ret;
lcd_dev = NULL;
info("%s: scanning for Matrix Orbital GX Series LCD...", Name);
usb_set_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 == MatrixOrbitalGX_VENDOR) &&
((dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_1) ||
(dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_2) ||
(dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_3))) {
/* At the moment, I have information for only this LCD */
if (dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_2)
backlight_RGB = 0;
info("%s: found Matrix Orbital GX Series LCD on bus %s device %s", Name, bus->dirname, dev->filename);
lcd_dev = usb_open(dev);
ret = usb_get_driver_np(lcd_dev, 0, driver, sizeof(driver));
if (ret == 0) {
info("%s: interface 0 already claimed by '%s'", Name, driver);
info("%s: attempting to detach driver...", Name);
if (usb_detach_kernel_driver_np(lcd_dev, 0) < 0) {
error("%s: usb_detach_kernel_driver_np() failed!", Name);
return -1;
}
}
usb_set_configuration(lcd_dev, 1);
usleep(100);
if (usb_claim_interface(lcd_dev, 0) < 0) {
error("%s: usb_claim_interface() failed!", Name);
return -1;
}
usb_set_altinterface(lcd_dev, 0);
usb_get_string_simple(lcd_dev, dev->descriptor.iProduct, product, sizeof(product));
usb_get_string_simple(lcd_dev, dev->descriptor.iManufacturer, manufacturer, sizeof(manufacturer));
usb_get_string_simple(lcd_dev, dev->descriptor.iSerialNumber, serialnumber, sizeof(serialnumber));
info("%s: Manufacturer='%s' Product='%s' SerialNumber='%s'", Name, manufacturer, product, serialnumber);
return 0;
}
}
}
error("%s: could not find a Matrix Orbital GX Series LCD", Name);
return -1;
}
static void drv_MOGX_send(const unsigned char *data, const unsigned int size)
{
int __attribute__((unused)) ret;
//unsigned char rcv_buffer[64] = "";
ret = usb_bulk_write(lcd_dev, BULK_OUT_ENDPOINT, (char *) data, size, 1000);
//info("%s written %d bytes\n", __FUNCTION__, ret);
//ret = usb_bulk_read(lcd_dev, BULK_IN_ENDPOINT, (char *) rcv_buffer,64,1000);
//printf("\nReply : ");
//for (i=0;i<ret;i++)
//printf("%3x",rcv_buffer[i]);
}
static int drv_MOGX_close(void)
{
/* close whatever port you've opened */
usb_release_interface(lcd_dev, 0);
usb_close(lcd_dev);
return 0;
}
/* Send framebuffer to lcd */
static void drv_MOGX_update_lcd()
{
unsigned char cmd[3852] = { 0x38, 0x46, 0x42, 0x46, 0x50, 0x00, 0x00, 0x07, 0x80, 0xff, 0xff };
/*
index : index of pixel_byte in cmd[]
bit : pixel of each pixel_byte
x : index of pixel in framebuffer
pixel_byte : each 8 pixel in framebuffer = 1 byte
*/
int index, bit, x = 0;
unsigned int cmd_length = 0;
unsigned char pixel_byte;
//info("In %s\n", __FUNCTION__);
for (index = 0; index < (SCREEN_SIZE / 8); index++) {
pixel_byte = 0x00;
for (bit = 7; bit >= 0; bit--) {
if (MOGX_framebuffer[x] ^ invert)
pixel_byte |= (1 << bit);
else
pixel_byte &= ~(1 << bit);
x++;
}
if (pixel_byte == 0xc0) {
cmd[11 + cmd_length] = 0xdb;
cmd_length++;
cmd[11 + cmd_length] = 0xdc;
cmd_length++;
} else if (pixel_byte == 0xdb) {
cmd[11 + cmd_length] = 0xdb;
cmd_length++;
cmd[11 + cmd_length] = 0xdd;
cmd_length++;
} else {
cmd[11 + cmd_length] = pixel_byte;
cmd_length++;
}
}
/* finish command */
cmd[11 + cmd_length] = 0xc0;
//info("In %s - %s \n", __FUNCTION__, cmd_img);
/* send command which includes framebuffer */
drv_MOGX_send(cmd, cmd_length + 12);
}
static void drv_MOGX_blit(const int row, const int col, const int height, const int width)
{
int r, c;
for (r = row; r < row + height; r++) {
for (c = col; c < col + width; c++)
MOGX_framebuffer[r * SCREEN_W + c] = drv_generic_graphic_black(r, c);
}
drv_MOGX_update_lcd();
}
void drv_MOGX_clear(void)
{
//info("In %s\n", __FUNCTION__);
memset(MOGX_framebuffer, 0x00, SCREEN_SIZE);
/* clear the screen */
drv_MOGX_update_lcd();
}
/* TODO : I am not sure for contrast function (command)
Don't try to adjust contrast until contrast function is checked and fixed
*/
/*
static int drv_MOGX_contrast(int contrast)
{
unsigned char cmd[11] = {0x18,0x4c,0x43,0x53,0x43,0x00,0x00,0x00,0x01,0x00,0xc0};
// adjust limits according to the display
if (contrast < 0)
contrast = 0;
if (contrast > 255)
contrast = 255;
// send contrast command
cmd[9] = contrast;
drv_MOGX_send(cmd, 11);
return contrast;
}
*/
/* backlight function used in plugin */
static int drv_MOGX_backlight(int backlight)
{
unsigned char cmd[13] = { 0x18, 0x4c, 0x43, 0x53, 0x48, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xc0 };
if (backlight < 0)
backlight = 0;
if (backlight >= 255)
backlight = 255;
cmd[10] = backlight;
drv_MOGX_send(cmd, 13);
return backlight;
}
/* backlightRGB function used in plugin */
static int drv_MOGX_backlightRGB(int backlight_R, int backlight_G, int backlight_B)
{
/*
TODO : Function should be tested for three color LCD
*/
//unsigned char cmd1[11] = {0x18,0x4c,0x43,0x53,0x42,0x00,0x00,0x00,0x01,0xff,0xc0};
unsigned char cmd2[13] = { 0x18, 0x4c, 0x43, 0x53, 0x48, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xc0 };
if (backlight_R < 0)
backlight_R = 0;
if (backlight_R >= 255)
backlight_R = 255;
if (backlight_G < 0)
backlight_G = 0;
if (backlight_G >= 255)
backlight_G = 255;
if (backlight_B < 0)
backlight_B = 0;
if (backlight_B >= 255)
backlight_B = 255;
//cmd1[9] = backlight;
cmd2[9] = backlight_R;
cmd2[10] = backlight_G;
cmd2[11] = backlight_B;
//drv_MOGX_send(cmd1, 11);
drv_MOGX_send(cmd2, 13);
return backlight_R + backlight_G + backlight_B;
}
/* start graphic display */
static int drv_MOGX_start(const char *section, const __attribute__((unused))
int quiet)
{
char *s;
int value1, value2, value3;
/* read display size from config */
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;
}
DROWS = -1;
DCOLS = -1;
if (sscanf(s, "%dx%d", &DCOLS, &DROWS) != 2 || DCOLS < 1 || DROWS < 1) {
error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source());
return -1;
}
s = cfg_get(section, "Font", "6x8");
if (s == NULL || *s == '\0') {
error("%s: no '%s.Font' entry from %s", Name, section, cfg_source());
return -1;
}
XRES = -1;
YRES = -1;
if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) {
error("%s: bad %s.Font '%s' from %s", Name, section, s, cfg_source());
return -1;
}
/* Fixme: provider other fonts someday... */
if (XRES != 6 && YRES != 8) {
error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source());
return -1;
}
if (cfg_number(section, "Invert", 0, 0, 1, &value1) > 0)
if (value1 > 0) {
info("%s: Display is inverted", Name);
invert = 0x01;
}
/* open communication with the display */
if (drv_MOGX_open() < 0) {
return -1;
}
/* Init framebuffer buffer */
MOGX_framebuffer = (unsigned char *) malloc(SCREEN_SIZE * sizeof(unsigned char));
if (!MOGX_framebuffer) {
error("%s: framebuffer could not be allocated: malloc() failed", Name);
return -1;
}
memset(MOGX_framebuffer, 0x00, SCREEN_SIZE);
//info("%s framebuffer zeroed", __FUNCTION__);
/* TODO : I am not sure for contrast function (command)
Don't try to adjust contrast until contrast function is checked and fixed
*/
/*
if (cfg_number(section, "Contrast", 0, 0, 255, &value1) > 0) {
info("%s: Setting contrast to %d", Name, value1);
drv_MOGX_contrast(value1);
}
*/
/* if lcd has three color backlight call the backlightRGB function */
if (backlight_RGB) {
if ((cfg_number(section, "Backlight_R", 0, 0, 255, &value1) > 0) &&
(cfg_number(section, "Backlight_G", 0, 0, 255, &value2) > 0) &&
(cfg_number(section, "Backlight_B", 0, 0, 255, &value3) > 0)) {
info("%s: Setting backlight to %d,%d,%d (RGB)", Name, value1, value2, value3);
drv_MOGX_backlightRGB(value1, value2, value3);
}
} else {
if ((cfg_number(section, "Backlight", 0, 0, 255, &value1) > 0)) {
info("%s: Setting backlight to %d", Name, value1);
drv_MOGX_backlight(value1);
}
}
//info("In %s\n", __FUNCTION__);
return 0;
}
/****************************************/
/*** plugins ***/
/****************************************/
/* TODO : I am not sure for contrast function (command)
Don't try to adjust contrast until contrast function is checked and fixed
*/
/*
static void plugin_contrast(RESULT * result, RESULT * arg1)
{
double contrast;
contrast = drv_MOGX_contrast(R2N(arg1));
SetResult(&result, R_NUMBER, &contrast);
}
*/
static void plugin_backlight(RESULT * result, RESULT * arg1)
{
double backlight;
backlight = drv_MOGX_backlight(R2N(arg1));
SetResult(&result, R_NUMBER, &backlight);
}
static void plugin_backlightRGB(RESULT * result, RESULT * arg1, RESULT * arg2, RESULT * arg3)
{
double backlight;
backlight = drv_MOGX_backlightRGB(R2N(arg1), R2N(arg2), R2N(arg3));
SetResult(&result, R_NUMBER, &backlight);
}
/****************************************/
/*** 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 ***/
/****************************************/
/* list models */
int drv_MOGX_list(void)
{
printf("Matrix Orbital GX Series driver");
return 0;
}
/* initialize driver & display */
int drv_MOGX_init(const char *section, const int quiet)
{
int ret;
//info("%s: %s", Name, "$Rev: 2$");
//info("Matrix Orbital GX Series LCD initialization\n");
/* real worker functions */
drv_generic_graphic_real_blit = drv_MOGX_blit;
/* start display */
if ((ret = drv_MOGX_start(section, quiet)) != 0)
return ret;
/* initialize generic graphic driver */
if ((ret = drv_generic_graphic_init(section, Name)) != 0)
return ret;
if (!quiet) {
char buffer[40];
qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
if (drv_generic_graphic_greet(buffer, "http://www.matrixorbital.com")) {
sleep(3);
drv_generic_graphic_clear();
}
}
/* register plugins */
/* TODO : I am not sure for contrast function (command)
Don't try to adjust contrast until contrast function is checked and fixed
*/
//AddFunction("LCD::contrast", 1, plugin_contrast);
if (backlight_RGB)
AddFunction("LCD::backlightRGB", 3, plugin_backlightRGB);
else
AddFunction("LCD::backlight", 1, plugin_backlight);
//info("In %s\n", __FUNCTION__);
memset(MOGX_framebuffer, 0x00, SCREEN_SIZE);
//DEBUG("zeroed");
return 0;
}
/* close driver & display */
int drv_MOGX_quit(const __attribute__((unused))
int quiet)
{
info("%s: shutting down.", Name);
/* clear display */
drv_MOGX_clear();
drv_generic_graphic_quit();
//debug("closing connection");
drv_MOGX_close();
if (MOGX_framebuffer) {
free(MOGX_framebuffer);
}
return (0);
}
/* use this one for a graphic display */
DRIVER drv_MatrixOrbitalGX = {
.name = Name,
.list = drv_MOGX_list,
.init = drv_MOGX_init,
.quit = drv_MOGX_quit,
};