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[lcd4linux @ 2002-09-11 05:32:35 by reinelt]

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changed to use new bar functions

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@169 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2002-09-11 05:32:35 +00:00
parent c7f5ce26a8
commit 146e04a2fd
1 changed files with 47 additions and 255 deletions
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Cwlinux.c
+47 -255
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@@ -1,4 +1,4 @@
/* $Id: Cwlinux.c,v 1.1 2002/09/11 05:16:32 reinelt Exp $
/* $Id: Cwlinux.c,v 1.2 2002/09/11 05:32:35 reinelt Exp $
*
* driver for Cwlinux serial display modules
*
@@ -20,6 +20,9 @@
*
*
* $Log: Cwlinux.c,v $
* Revision 1.2 2002/09/11 05:32:35 reinelt
* changed to use new bar functions
*
* Revision 1.1 2002/09/11 05:16:32 reinelt
* added Cwlinux driver
*
@@ -45,11 +48,11 @@
#include "cfg.h"
#include "lock.h"
#include "display.h"
#include "bar.h"
#define XRES 6
#define YRES 8
#define CHARS 7
#define BARS ( BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 )
#define LCD_CMD 254
#define LCD_CMD_END 253
@@ -73,34 +76,18 @@
#define UPDATE_DELAY 0 /* 1 sec */
#define SETUP_DELAY 0 /* 2 sec */
typedef struct {
int len1;
int len2;
int type;
int segment;
} BAR;
typedef struct {
int len1;
int len2;
int type;
int used;
int ascii;
} SEGMENT;
static LCD Lcd;
static char *Port = NULL;
static speed_t Speed;
static int Device = -1;
static char Txt[4][20];
static BAR Bar[4][20];
static int nSegment = 2;
static SEGMENT Segment[128] = { {len1: 0, len2: 0, type: 255, \
used: 0, ascii:32} };
int Read_LCD(int fd, char *c, int size)
static int Read_LCD(int fd, char *c, int size)
{
int rc;
@@ -109,7 +96,7 @@ int Read_LCD(int fd, char *c, int size)
return rc;
}
int Write_LCD(int fd, char *c, int size)
static int Write_LCD(int fd, char *c, int size)
{
int rc;
@@ -119,7 +106,7 @@ int Write_LCD(int fd, char *c, int size)
}
void Enable_Cursor(int fd)
static void Enable_Cursor(int fd)
{
char c;
int rc;
@@ -132,7 +119,7 @@ void Enable_Cursor(int fd)
rc = Write_LCD(fd, &c, 1);
}
void Disable_Cursor(int fd)
static void Disable_Cursor(int fd)
{
char c;
int rc;
@@ -145,7 +132,7 @@ void Disable_Cursor(int fd)
rc = Write_LCD(fd, &c, 1);
}
void Clear_Screen(int fd)
static void Clear_Screen(int fd)
{
char c;
int rc;
@@ -158,7 +145,7 @@ void Clear_Screen(int fd)
rc = Write_LCD(fd, &c, 1);
}
void Enable_Wrap(int fd)
static void Enable_Wrap(int fd)
{
char c;
int rc;
@@ -171,7 +158,7 @@ void Enable_Wrap(int fd)
rc = Write_LCD(fd, &c, 1);
}
void Init_Port(fd)
static void Init_Port(fd)
{
/* Posix - set baudrate to 0 and back */
struct termios tty, old;
@@ -185,7 +172,7 @@ void Init_Port(fd)
tcsetattr(fd, TCSANOW, &old);
}
void Setup_Port(int fd, speed_t speed)
static void Setup_Port(int fd, speed_t speed)
{
struct termios portset;
@@ -202,7 +189,7 @@ void Setup_Port(int fd, speed_t speed)
tcsetattr(fd, TCSANOW, &portset);
}
void Set_9600(int fd)
static void Set_9600(int fd)
{
char c;
int rc;
@@ -217,7 +204,7 @@ void Set_9600(int fd)
rc = Write_LCD(fd, &c, 1);
}
void Set_19200(int fd)
static void Set_19200(int fd)
{
char c;
int rc;
@@ -232,7 +219,7 @@ void Set_19200(int fd)
rc = Write_LCD(fd, &c, 1);
}
int Write_Line_LCD(int fd, char *buf, int size)
static int Write_Line_LCD(int fd, char *buf, int size)
{
int i;
char c;
@@ -254,7 +241,7 @@ int Write_Line_LCD(int fd, char *buf, int size)
return 0;
}
void Set_Insert(int fd, int row, int col)
static void Set_Insert(int fd, int row, int col)
{
char c;
int rc;
@@ -271,7 +258,7 @@ void Set_Insert(int fd, int row, int col)
rc = Write_LCD(fd, &c, 1);
}
void CwLnx_backlight(int on)
static void CwLnx_backlight(int on)
{
static int current = -1;
int realbacklight = -1;
@@ -369,141 +356,7 @@ static int CwLnx_contrast(void)
return 0;
}
static void CwLnx_process_bars(void)
{
int row, col;
int i, j;
for (i = 2; i < nSegment && Segment[i].used; i++);
for (j = i + 1; j < nSegment; j++) {
if (Segment[j].used)
Segment[i++] = Segment[j];
}
nSegment = i;
for (row = 0; row < Lcd.rows; row++) {
for (col = 0; col < Lcd.cols; col++) {
if (Bar[row][col].type == 0)
continue;
for (i = 0; i < nSegment; i++) {
if (Segment[i].type & Bar[row][col].type &&
Segment[i].len1 == Bar[row][col].len1 &&
Segment[i].len2 == Bar[row][col].len2)
break;
}
if (i == nSegment) {
nSegment++;
Segment[i].len1 = Bar[row][col].len1;
Segment[i].len2 = Bar[row][col].len2;
Segment[i].type = Bar[row][col].type;
Segment[i].used = 0;
Segment[i].ascii = -1;
}
Bar[row][col].segment = i;
}
}
}
static int CwLnx_segment_diff(int i, int j)
{
int RES;
int i1, i2, j1, j2;
if (i == j)
return 65535;
if (!(Segment[i].type & Segment[j].type))
return 65535;
if (Segment[i].len1 == 0 && Segment[j].len1 != 0)
return 65535;
if (Segment[i].len2 == 0 && Segment[j].len2 != 0)
return 65535;
RES = Segment[i].type & BAR_H ? XRES : YRES;
if (Segment[i].len1 >= RES && Segment[j].len1 < RES)
return 65535;
if (Segment[i].len2 >= RES && Segment[j].len2 < RES)
return 65535;
if (Segment[i].len1 == Segment[i].len2
&& Segment[j].len1 != Segment[j].len2)
return 65535;
i1 = Segment[i].len1;
if (i1 > RES)
i1 = RES;
i2 = Segment[i].len2;
if (i2 > RES)
i2 = RES;
j1 = Segment[j].len1;
if (j1 > RES)
i1 = RES;
j2 = Segment[j].len2;
if (j2 > RES)
i2 = RES;
return (i1 - i2) * (i1 - i2) + (j1 - j2) * (j1 - j2);
}
static void CwLnx_compact_bars(void)
{
int i, j, r, c, min;
int pack_i, pack_j;
int pass1 = 1;
int deviation[nSegment][nSegment];
if (nSegment > CHARS + 2) {
for (i = 2; i < nSegment; i++) {
for (j = 0; j < nSegment; j++) {
deviation[i][j] = CwLnx_segment_diff(i, j);
}
}
while (nSegment > CHARS + 2) {
min = 65535;
pack_i = -1;
pack_j = -1;
for (i = 2; i < nSegment; i++) {
if (pass1 && Segment[i].used)
continue;
for (j = 0; j < nSegment; j++) {
if (deviation[i][j] < min) {
min = deviation[i][j];
pack_i = i;
pack_j = j;
}
}
}
if (pack_i == -1) {
if (pass1) {
pass1 = 0;
continue;
} else {
error("Cwlinux: unable to compact bar characters");
nSegment = CHARS;
break;
}
}
nSegment--;
Segment[pack_i] = Segment[nSegment];
for (i = 0; i < nSegment; i++) {
deviation[pack_i][i] = deviation[nSegment][i];
deviation[i][pack_i] = deviation[i][nSegment];
}
for (r = 0; r < Lcd.rows; r++) {
for (c = 0; c < Lcd.cols; c++) {
if (Bar[r][c].segment == pack_i)
Bar[r][c].segment = pack_j;
if (Bar[r][c].segment == nSegment)
Bar[r][c].segment = pack_i;
}
}
}
}
}
void CwLnx_set_char(int n, char *dat)
static void CwLnx_set_char(int n, char *dat)
{
int row, col;
char letter;
@@ -616,12 +469,11 @@ int CwLnx_clear(void)
for (row = 0; row < Lcd.rows; row++) {
for (col = 0; col < Lcd.cols; col++) {
Txt[row][col] = '\t';
Bar[row][col].len1 = -1;
Bar[row][col].len2 = -1;
Bar[row][col].type = 0;
Bar[row][col].segment = -1;
}
}
bar_clear();
Clear_Screen(Device);
return 0;
}
@@ -671,6 +523,10 @@ int CwLnx_init(LCD * Self)
if (Device == -1)
return -1;
bar_init(Lcd.rows, Lcd.cols, XRES, YRES, CHARS);
bar_add_segment( 0, 0,255, 32); // ASCII 32 = blank
bar_add_segment(255,255,255,255); // ASCII 255 = block
CwLnx_clear();
CwLnx_contrast();
@@ -695,99 +551,22 @@ int CwLnx_put(int row, int col, char *text)
int CwLnx_bar(int type, int row, int col, int max, int len1, int len2)
{
int rev = 0;
if (len1 < 1)
len1 = 1;
else if (len1 > max)
len1 = max;
if (len2 < 1)
len2 = 1;
else if (len2 > max)
len2 = max;
switch (type) {
case BAR_L:
len1 = max - len1;
len2 = max - len2;
rev = 1;
case BAR_R:
while (max > 0 && col < Lcd.cols) {
Bar[row][col].type = type;
Bar[row][col].segment = -1;
if (len1 >= XRES) {
Bar[row][col].len1 = rev ? 0 : XRES;
len1 -= XRES;
} else {
Bar[row][col].len1 = rev ? XRES - len1 : len1;
len1 = 0;
}
if (len2 >= XRES) {
Bar[row][col].len2 = rev ? 0 : XRES;
len2 -= XRES;
} else {
Bar[row][col].len2 = rev ? XRES - len2 : len2;
len2 = 0;
}
max -= XRES;
col++;
}
break;
case BAR_U:
len1 = max - len1;
len2 = max - len2;
rev = 1;
case BAR_D:
while (max > 0 && row < Lcd.rows) {
Bar[row][col].type = type;
Bar[row][col].segment = -1;
if (len1 >= YRES) {
Bar[row][col].len1 = rev ? 0 : YRES;
len1 -= YRES;
} else {
Bar[row][col].len1 = rev ? YRES - len1 : len1;
len1 = 0;
}
if (len2 >= YRES) {
Bar[row][col].len2 = rev ? 0 : YRES;
len2 -= YRES;
} else {
Bar[row][col].len2 = rev ? YRES - len2 : len2;
len2 = 0;
}
max -= YRES;
row++;
}
break;
}
return 0;
return bar_draw (type, row, col, max, len1, len2);
}
int CwLnx_flush(void)
{
char buffer[256];
char *p;
int s, row, col;
int c, row, col;
CwLnx_process_bars();
CwLnx_compact_bars();
CwLnx_define_chars();
for (s = 0; s < nSegment; s++) {
Segment[s].used = 0;
}
bar_process(CwLnx_define_char);
for (row = 0; row < Lcd.rows; row++) {
for (col = 0; col < Lcd.cols; col++) {
s = Bar[row][col].segment;
if (s != -1) {
Segment[s].used = 1;
Txt[row][col] = Segment[s].ascii;
c=bar_peek(row, col);
if (c!=-1) {
Txt[row][col]=(char)c;
}
}
Set_Insert(Device, row, col);
@@ -815,7 +594,20 @@ int CwLnx_quit(void)
}
LCD Cwlinux[] = {
{"CW12232", 4, 20, XRES, YRES, BARS, 0, CwLnx_init, CwLnx_clear, \
CwLnx_put, CwLnx_bar, NULL, CwLnx_flush, CwLnx_quit},
{name: "CW12232",
rows: 4,
cols: 20,
xres: XRES,
yres: YRES,
bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2,
gpos: 0,
init: CwLnx_init,
clear: CwLnx_clear,
put: CwLnx_put,
bar: CwLnx_bar,
gpo: NULL,
flush: CwLnx_flush,
quit: CwLnx_quit
},
{NULL}
};