Converted old to new functions.

Now using lib vbar/hbar.
Changed the term UDC to Custom char (CC).
This commit is contained in:
robijn
2002-02-08 00:19:55 +00:00
parent c6ef7cbf4e
commit 2be3a1cfdb
3 changed files with 61 additions and 102 deletions
+10 -12
View File
@@ -4,8 +4,6 @@
#ifndef HD_LOW_H
#define HD_LOW_H
enum ifWidth { IF_4bit, IF_8bit };
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
@@ -30,12 +28,12 @@ enum ifWidth { IF_4bit, IF_8bit };
#define KEYPAD_MAXY 11
/* Constants for userdefchar_mode */
#define NUM_UDCs 8 /* number of characters */
#define UDCMODE_STANDARD 0 /* only char 0 is used for heartbeat */
#define UDCMODE_VBAR 1
#define UDCMODE_HBAR 2
#define UDCMODE_BIGNUM 3
#define UDCMODE_BIGCHAR 4
#define NUM_CCs 8 /* number of custom characters */
#define CCMODE_STANDARD 0 /* only char 0 is used for heartbeat */
#define CCMODE_VBAR 1
#define CCMODE_HBAR 2
#define CCMODE_BIGNUM 3
#define CCMODE_BIGCHAR 4
typedef struct ConnectionMapping {
char *name;
@@ -59,8 +57,8 @@ typedef struct driver_private_data {
char *lcd_contents;
// The defineable characters
char *udc_buf;
char *udc_dirty;
char *cc_buf;
char *cc_dirty;
// Connection type data
int connectiontype_index;
@@ -95,7 +93,7 @@ typedef struct driver_private_data {
// when a key in the matrix is pressed.
char *keyMapMatrix[KEYPAD_MAXY][KEYPAD_MAXX];
char pressed_key;
char *pressed_key;
int pressed_key_repetitions;
struct timeval pressed_key_time;
@@ -103,7 +101,7 @@ typedef struct driver_private_data {
int backlight_bit;
int udcmode;
int ccmode;
} PrivateData;
+48 -89
View File
@@ -71,6 +71,7 @@
#include "shared/str.h"
#include "lcd.h"
#include "lcd_lib.h"
#include "hd44780.h"
#include "report.h"
@@ -143,7 +144,7 @@ HD44780_init (Driver * drvthis, char *args)
memset( p, 0, sizeof(*p) );
p->cellheight = 8; /* Do not change this !!! This is a controller property, not a display property !!! */
p->cellwidth = 5;
p->udcmode = UDCMODE_STANDARD;
p->ccmode = CCMODE_STANDARD;
//// READ THE CONFIG FILE
@@ -234,13 +235,13 @@ HD44780_init (Driver * drvthis, char *args)
memset(p->lcd_contents, 0, p->width * p->height);
// Allocate and clear the buffer for defineable characters
p->udc_buf = (unsigned char *) malloc (NUM_UDCs * p->cellheight);
p->udc_dirty = (unsigned char *) malloc (NUM_UDCs);
if (!p->udc_buf || !p->udc_dirty) {
p->cc_buf = (unsigned char *) malloc (NUM_CCs * p->cellheight);
p->cc_dirty = (unsigned char *) malloc (NUM_CCs);
if (!p->cc_buf || !p->cc_dirty) {
return -1;
}
memset(p->udc_buf, 0, NUM_UDCs * p->cellheight);
memset(p->udc_dirty, 1, NUM_UDCs); /* all udcs dirty */
memset(p->cc_buf, 0, NUM_CCs * p->cellheight);
memset(p->cc_dirty, 1, NUM_CCs); /* all custom chars dirty */
// Backlight ?
if ( p->have_backlight ) {
@@ -250,7 +251,7 @@ HD44780_init (Driver * drvthis, char *args)
if ( p->have_keypad ) {
int x, y;
drvthis->getkey = HD44780_getkey;
drvthis->get_key = HD44780_get_key;
// Read keymap
for( x=0; x<KEYPAD_MAXX; x++ ) {
@@ -311,8 +312,8 @@ HD44780_init (Driver * drvthis, char *args)
//drvthis->contrast = HD44780_contrast; // contrast is set by potmeter we assume
//drvthis->output = HD44780_output; // not implemented
drvthis->init_vbar = HD44780_init_vbar;
drvthis->init_hbar = HD44780_init_hbar;
//drvthis->init_vbar = HD44780_init_vbar;
//drvthis->init_hbar = HD44780_init_hbar;
drvthis->vbar = HD44780_vbar;
drvthis->hbar = HD44780_hbar;
drvthis->init_num = HD44780_init_num;
@@ -472,8 +473,8 @@ HD44780_flush (Driver *drvthis)
/* Check which defineable chars we need to update */
count = 0;
for( i = 0; i < NUM_UDCs; i ++ ) {
if( p->udc_dirty[i] ) {
for( i = 0; i < NUM_CCs; i ++ ) {
if( p->cc_dirty[i] ) {
/* Tell the HD44780 we will redefine char number i */
p->hd44780_functions->senddata (p, 0, RS_INSTR, SETCHAR | i * 8);
@@ -481,15 +482,15 @@ HD44780_flush (Driver *drvthis)
/* Send the subsequent rows */
for (row = 0; row < p->cellheight; row++) {
p->hd44780_functions->senddata (p, 0, RS_DATA, p->udc_buf[i*p->cellheight+row]);
p->hd44780_functions->senddata (p, 0, RS_DATA, p->cc_buf[i*p->cellheight+row]);
p->hd44780_functions->uPause (p, 40); /* Minimum exec time for all commands */
}
/* Mark as not dirty anymore */
p->udc_dirty[i] = 0;
p->cc_dirty[i] = 0;
count ++;
}
}
debug( RPT_DEBUG, "HD44780: flushed %d udc's", count );
debug( RPT_DEBUG, "HD44780: flushed %d custom chars's", count );
}
/////////////////////////////////////////////////////////////////
@@ -500,7 +501,7 @@ HD44780_clear (Driver *drvthis)
{
PrivateData *p = (PrivateData *) drvthis->private_data;
memset(p->framebuf, ' ', p->width * p->height);
p->udcmode = UDCMODE_STANDARD;
p->ccmode = CCMODE_STANDARD;
}
/////////////////////////////////////////////////////////////////
@@ -549,7 +550,7 @@ HD44780_backlight (Driver *drvthis, int on)
/////////////////////////////////////////////////////////////////
// Sets up for vertical bars. Call before HD44780->vbar()
//
MODULE_EXPORT void
static void
HD44780_init_vbar (Driver *drvthis)
{
PrivateData *p = (PrivateData *) drvthis->private_data;
@@ -625,17 +626,17 @@ HD44780_init_vbar (Driver *drvthis)
1, 1, 1, 1, 1,
};
if( p->udcmode == UDCMODE_VBAR ) {
if( p->ccmode == CCMODE_VBAR ) {
/* Work already done */
return;
}
if( p->udcmode != UDCMODE_STANDARD ) {
if( p->ccmode != CCMODE_STANDARD ) {
/* Not supported (yet) */
report( RPT_WARNING, "HD44780_init_vbar: Cannot combine two modes using user defined characters" );
return;
}
p->udcmode = UDCMODE_VBAR;
p->ccmode = CCMODE_VBAR;
HD44780_set_char (drvthis, 1, a);
HD44780_set_char (drvthis, 2, b);
@@ -649,7 +650,7 @@ HD44780_init_vbar (Driver *drvthis)
/////////////////////////////////////////////////////////////////
// Inits horizontal bars...
//
MODULE_EXPORT void
static void
HD44780_init_hbar (Driver *drvthis)
{
PrivateData *p = (PrivateData *) drvthis->private_data;
@@ -695,17 +696,17 @@ HD44780_init_hbar (Driver *drvthis)
1, 1, 1, 1, 0,
};
if( p->udcmode == UDCMODE_HBAR ) {
if( p->ccmode == CCMODE_HBAR ) {
/* Work already done */
return;
}
if( p->udcmode != UDCMODE_STANDARD ) {
if( p->ccmode != CCMODE_STANDARD ) {
/* Not supported (yet) */
report( RPT_WARNING, "HD44780_init_hbar: Cannot combine two modes using user defined characters" );
return;
}
p->udcmode = UDCMODE_HBAR;
p->ccmode = CCMODE_HBAR;
HD44780_set_char (drvthis, 1, a);
HD44780_set_char (drvthis, 2, b);
@@ -720,10 +721,7 @@ HD44780_init_hbar (Driver *drvthis)
MODULE_EXPORT void
HD44780_vbar (Driver *drvthis, int x, int y, int len, int promille, int options)
{
//PrivateData *p = (PrivateData *) drvthis->private_data;
char map[8] = { 32, 1, 2, 3, 4, 5, 6, 7 };
int total_pixels = (long) len * LCD_DEFAULT_CELLHEIGHT * promille / 1000;
int pos;
PrivateData *p = (PrivateData *) drvthis->private_data;
/* x and y are the start position of the bar.
* The bar by default grows in the 'up' direction
@@ -734,23 +732,7 @@ HD44780_vbar (Driver *drvthis, int x, int y, int len, int promille, int options)
HD44780_init_vbar(drvthis);
for (pos = 0; pos < len; pos ++ ) {
int pixels = total_pixels - LCD_DEFAULT_CELLHEIGHT * pos;
if( pixels >= LCD_DEFAULT_CELLHEIGHT ) {
/* write a "full" block to the screen... */
HD44780_icon (drvthis, x, y-pos, ICON_BLOCK_FILLED);
}
else if( pixels > 0 ) {
/* write a partial block... */
HD44780_chr (drvthis, x, y-pos, map[pixels]);
break;
}
else {
; // write nothing (not even a space)
}
}
lib_vbar_static(drvthis, x, y, len, promille, options, p->cellheight, 0);
}
/////////////////////////////////////////////////////////////////
@@ -759,13 +741,10 @@ HD44780_vbar (Driver *drvthis, int x, int y, int len, int promille, int options)
MODULE_EXPORT void
HD44780_hbar (Driver *drvthis, int x, int y, int len, int promille, int options)
{
//PrivateData *p = (PrivateData *) drvthis->private_data;
char map[5] = { 32, 1, 2, 3, 4 };
int total_pixels = (long) len * LCD_DEFAULT_CELLWIDTH * promille / 1000;
int pos;
PrivateData *p = (PrivateData *) drvthis->private_data;
/* x and y are the start position of the bar.
* The bar by default grows in the 'up' direction
* The bar by default grows in the 'right' direction
* (other direction not yet implemented).
* len is the number of characters that the bar is long at 100%
* promille is the number of promilles (0..1000) that the bar should be filled.
@@ -773,24 +752,7 @@ HD44780_hbar (Driver *drvthis, int x, int y, int len, int promille, int options)
HD44780_init_hbar(drvthis);
for (pos = 0; pos < len; pos ++ ) {
int pixels = total_pixels - LCD_DEFAULT_CELLWIDTH * pos;
if( pixels >= LCD_DEFAULT_CELLWIDTH ) {
/* write a "full" block to the screen. */
HD44780_icon (drvthis, x+pos, y, ICON_BLOCK_FILLED);
}
else if( pixels > 0 ) {
/* write a partial block... */
HD44780_chr (drvthis, x+pos, y, map[pixels]);
break;
}
else {
; // write nothing (not even a space)
}
}
lib_hbar_static(drvthis, x, y, len, promille, options, p->cellwidth, 0);
}
/////////////////////////////////////////////////////////////////
@@ -802,7 +764,7 @@ HD44780_init_num (Driver *drvthis)
PrivateData *p = (PrivateData *) drvthis->private_data;
int i;
char bignum_udcs[8][5*8] = {{
char bignum_ccs[8][5*8] = {{
1, 1, 0, 0, 0,
1, 1, 0, 0, 0,
1, 1, 0, 0, 0,
@@ -876,20 +838,20 @@ HD44780_init_num (Driver *drvthis)
0, 0, 0, 0, 0
}};
if( p->udcmode == UDCMODE_BIGNUM ) {
if( p->ccmode == CCMODE_BIGNUM ) {
/* Work already done */
return;
}
if( p->udcmode != UDCMODE_STANDARD ) {
if( p->ccmode != CCMODE_STANDARD ) {
/* Not supported (yet) */
report( RPT_WARNING, "HD44780_init_num: Cannot combine two modes using user defined characters" );
return;
}
p->udcmode = UDCMODE_BIGNUM;
p->ccmode = CCMODE_BIGNUM;
for( i=0; i<8; i++ ) {
HD44780_set_char (drvthis, i, bignum_udcs[i]);
HD44780_set_char (drvthis, i, bignum_ccs[i]);
}
}
@@ -1052,10 +1014,10 @@ HD44780_set_char (Driver *drvthis, int n, char *dat)
letter <<= 1;
letter |= (dat[(row * p->cellwidth) + col] > 0);
}
if( p->udc_buf[n*p->cellheight+row] != letter ) {
p->udc_dirty[n] = 1; /* only mark as dirty if really different */
if( p->cc_buf[n*p->cellheight+row] != letter ) {
p->cc_dirty[n] = 1; /* only mark as dirty if really different */
}
p->udc_buf[n*p->cellheight+row] = letter;
p->cc_buf[n*p->cellheight+row] = letter;
}
}
@@ -1105,12 +1067,12 @@ HD44780_icon (Driver *drvthis, int x, int y, int icon)
/////////////////////////////////////////////////////////////
// Get a key from the keypad (if there is one)
//
MODULE_EXPORT char
HD44780_getkey(Driver *drvthis)
MODULE_EXPORT char *
HD44780_get_key(Driver *drvthis)
{
PrivateData *p = (PrivateData *) drvthis->private_data;
unsigned char scancode;
char ch;
char * keystr = NULL;
struct timeval curr_time, time_diff;
gettimeofday(&curr_time,NULL);
@@ -1118,23 +1080,20 @@ HD44780_getkey(Driver *drvthis)
scancode = p->hd44780_functions->scankeypad(p);
if( scancode ) {
if( scancode & 0xF0 ) {
ch = ( p->keyMapMatrix[((scancode&0xF0)>>4)-1][(scancode&0x0F)-1] )[0];
keystr = p->keyMapMatrix[((scancode&0xF0)>>4)-1][(scancode&0x0F)-1];
}
else {
ch = ( p->keyMapDirect[scancode - 1] )[0];
keystr = p->keyMapDirect[scancode - 1];
}
}
else {
ch = 0;
}
if (ch) {
if (ch == p->pressed_key) {
if( keystr != NULL ) {
if (keystr == p->pressed_key) {
timersub (&curr_time, &(p->pressed_key_time), &time_diff);
if (((time_diff.tv_usec / 1000 + time_diff.tv_sec * 1000) - KEYPAD_AUTOREPEAT_DELAY) < 1000 * p->pressed_key_repetitions / KEYPAD_AUTOREPEAT_FREQ ) {
// The key is already pressed quite some time
// but it's not yet time to return a repeated keypress
return 0;
return NULL;
}
// Otherwise a keypress will be returned
p->pressed_key_repetitions ++;
@@ -1143,14 +1102,14 @@ HD44780_getkey(Driver *drvthis)
// It's a new keypress
p->pressed_key_time = curr_time;
p->pressed_key_repetitions = 0;
printf( "Key: %c (%d,%d)\n", ch, scancode&0x0F, (scancode&0xF0)>>4 );
printf( "Key: %s (%d,%d)\n", keystr, scancode&0x0F, (scancode&0xF0)>>4 );
}
}
// Store the key for the next round
p->pressed_key = ch;
p->pressed_key = keystr;
return ch;
return keystr;
}
/////////////////////////////////////////////////////////////
+3 -1
View File
@@ -16,6 +16,8 @@
#ifndef HD44780_H
#define HD44780_H
#include "lcd.h"
int HD44780_init (struct lcd_logical_driver *driver, char *args);
MODULE_EXPORT void HD44780_close (Driver *drvthis);
MODULE_EXPORT int HD44780_width (Driver *drvthis);
@@ -35,7 +37,7 @@ MODULE_EXPORT void HD44780_set_char (Driver *drvthis, int n, char *dat);
MODULE_EXPORT void HD44780_backlight (Driver *drvthis, int on);
MODULE_EXPORT char HD44780_getkey (Driver *drvthis);
MODULE_EXPORT char * HD44780_get_key (Driver *drvthis);
MODULE_EXPORT void HD44780_init_vbar (Driver *drvthis);
MODULE_EXPORT void HD44780_init_hbar (Driver *drvthis);