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Patch for Driver EA232Graphic by Robert Resch

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git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1171 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
michael
2012-01-16 02:53:14 +00:00
parent c98cf9ae78
commit 2a553a0ff2
2 changed files with 70 additions and 7 deletions
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40
drv_EA232graphic.c
View File

@@ -3,6 +3,7 @@
*
* Driver for Electronic Assembly serial graphic display
*
* Copyright (C) 2012 Robert Resch <fli4l@robert.reschpara.de>
* Copyright (C) 2007 Stefan Gmeiner <stefangmeiner@solnet.ch>
* Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 2005, 2006, 2007 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
@@ -46,6 +47,11 @@
* GE240-7KV24 3 8 no
* GE240-7KLWV24 3 8 no
* GE240-6KLWV24 3 8 no
* KIT160-6 2 8 no
* KIT160-7 2 8 no
* KIT240-6 2 8 no
* KIT240-7 2 8 no
* KIT320-8 2 8 no
*
* Supported protocol commands:
*
@@ -53,7 +59,7 @@
* Protocol Display Set Output Set Contrast Bitmap Orientation
* =======================================================================================
* 1 DL Y(0..7)(0..1) K(0..20) U(x)(y)(w)(h)(...) Vertical
* 2 <ESC>DL -- <ESC>DK(0..63) <ESC>UL(x)(y)(w)(h)(...) Vertical
* 2 <ESC>DL -- <ESC>DK(0..63) <ESC>UL(x)(y)(w)(h)(...) Horizontal
* 3 DL Y(0..7)(0..1) -- U(x)(y)(w)(h)(...) Horizontal
*
* Bitmap orientation:
@@ -141,6 +147,11 @@ static MODEL Models[] = {
/* Protocol 2 models */
{"GE128-6N9V24", 128, 64, 63, 40, 0, 2},
{"KIT160-6", 160, 80, 0, 0, 0, 2},
{"KIT160-7", 160, 128, 0, 0, 0, 2},
{"KIT240-6", 240, 64, 0, 0, 0, 2},
{"KIT240-7", 240, 128, 0, 0, 0, 2},
{"KIT320-8", 320, 240, 0, 0, 0, 2},
/* Protocol 3 models */
{"GE128-7KV24", 128, 128, 0, 0, 8, 3},
@@ -165,7 +176,7 @@ static int drv_EA232graphic_open(const char *section)
{
/* open serial port */
/* don't mind about device, speed and stuff, this function will take care of */
if (drv_generic_serial_open(section, Name, 0) < 0)
if (drv_generic_serial_open_handshake(section, Name, 0) < 0)
return -1;
return 0;
@@ -183,14 +194,14 @@ static int drv_EA232graphic_close(void)
/* write data to the display */
static void drv_EA232graphic_send(const char *data, const int len)
{
drv_generic_serial_write(data, len);
drv_generic_serial_write_rts(data, len);
}
/* delete Display */
static void drv_EA232graphic_clear_display()
{
char cmd[3];
char cmd[4];
switch (Model->protocol) {
case 1:
@@ -205,6 +216,12 @@ static void drv_EA232graphic_clear_display()
cmd[1] = 'D';
cmd[2] = 'L';
drv_EA232graphic_send(cmd, 3);
usleep(500000);
cmd[0] = ESC;
cmd[1] = 'Q';
cmd[2] = 'C';
cmd[3] = '0';
drv_EA232graphic_send(cmd, 4);
break;
default:
error("%s: undefined protocol type", Name);
@@ -218,16 +235,16 @@ static void drv_EA232graphic_clear_display()
static void drv_EA232graphic_blit(const int row, const int col, const int height, const int width)
{
int r, c, l, p;
int r, c, l, p, d;
char *cmd;
/* calculate length of command */
l = 0;
switch (Model->protocol) {
case 1:
case 2:
l = ((height + 7) / 8) * width;
break;
case 2:
case 3:
l = ((width + 7) / 8) * height;
break;
@@ -275,7 +292,6 @@ static void drv_EA232graphic_blit(const int row, const int col, const int height
/* set pixels */
switch (Model->protocol) {
case 1:
case 2:
for (r = 0; r < height; r++) {
for (c = 0; c < width; c++) {
if (drv_generic_graphic_black(r + row, c + col)) {
@@ -284,6 +300,16 @@ static void drv_EA232graphic_blit(const int row, const int col, const int height
}
}
break;
case 2:
d = ((width + 7) / 8);
for (r = 0; r < height; r++) {
for (c = 0; c < width; c++) {
if (drv_generic_graphic_black(r + row, c + col)) {
cmd[(c / 8) + (d * r) + p] |= (MSB_BYTE >> (c % 8));
}
}
}
break;
case 3:
for (c = 0; c < width; c++) {
for (r = 0; r < height; r++) {

37
drv_generic_serial.c
View File

@@ -58,6 +58,8 @@
#include <fcntl.h>
#include <time.h>
#include <signal.h>
#include <linux/serial.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -205,6 +207,25 @@ static pid_t drv_generic_serial_unlock_port(const char *Port)
return 0;
}
int drv_generic_serial_open_handshake(const char *section, const char *driver, const unsigned int flags)
{
int fd;
struct termios portset;
struct serial_struct serinfo;
fd = drv_generic_serial_open(section, driver, flags); /* Open the Port with the original function */
/* We activate the Usage of the Handshake Pins */
tcgetattr(fd, &portset); /* Get Port Attributes */
portset.c_cflag |= CRTSCTS; /* Set Handshake */
tcsetattr(fd, TCSANOW, &portset); /* Set Port Attrributes */
/* This sets the UART-Type to the simplest one: 8250. No Fifos or other Features */
/* Fifo destroys Handshake so needs to be disabled */
ioctl(fd, TIOCGSERIAL, &serinfo); /* Get Serial Info */
serinfo.type = PORT_8250; /* Set to super-simple Port Type */
ioctl(fd, TIOCSSERIAL, &serinfo); /* Write Back modified Info */
return fd;
}
int drv_generic_serial_open(const char *section, const char *driver, const unsigned int flags)
{
@@ -330,6 +351,22 @@ int drv_generic_serial_read(char *string, const int len)
return ret;
}
void drv_generic_serial_write_rts(const char *string, const int len)
{
int serial, p, tocnt;
for (p = 0; p < len; p++) { /* Send Byte-by-Byte checking RTS-Line */
/* Timeout is 500ms */
tocnt = 250; /* 250 * 2 */
ioctl(Device, TIOCMGET, &serial); /* Get status of Control Lines */
while (!(serial & TIOCM_RTS) && tocnt) { /* Wait until RTS is set or timeout */
tocnt--; /* decrease timeout counter */
usleep(2000); /* Wait two milliseconds */
ioctl(Device, TIOCMGET, &serial);
}
drv_generic_serial_write(&string[p], 1); /* Actually send one byte */
}
}
void drv_generic_serial_write(const char *string, const int len)
{