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[lcd4linux @ 2006-08-08 20:16:28 by harbaum]

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Added "extracolor" (used for e.g. bar border) and RGB support for LEDMATRIX

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@684 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
harbaum
2006-08-08 20:16:29 +00:00
parent 8029d9e8c2
commit a36ad95b85
4 changed files with 54 additions and 30 deletions
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49
drv_LEDMatrix.c
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@@ -1,4 +1,4 @@
/* $Id: drv_LEDMatrix.c,v 1.1 2006/08/05 21:08:01 harbaum Exp $
/* $Id: drv_LEDMatrix.c,v 1.2 2006/08/08 20:16:28 harbaum Exp $
*
* LED matrix driver for LCD4Linux
* (see http://www.harbaum.org/till/ledmatrix for hardware)
@@ -23,6 +23,9 @@
*
*
* $Log: drv_LEDMatrix.c,v $
* Revision 1.2 2006/08/08 20:16:28 harbaum
* Added "extracolor" (used for e.g. bar border) and RGB support for LEDMATRIX
*
* Revision 1.1 2006/08/05 21:08:01 harbaum
* New LEDMATRIX driver (see http://www.harbaum.org/till/ledmatrix)
*
@@ -79,22 +82,18 @@
#define DSP_CMD_IR 4
#define DSP_CMD_BEEP 5
#define DSP_PORT 4711
#define DSP_DEFAULT_PORT 4711
#define DSP_MEM (80 * 32 * 2 / 8)
#define DEFAULT_X_OFFSET 1 // with a font width of 6
static char Name[] = "LEDMatrix";
static char *IPAddress = NULL;
static int sock = -1;
static struct sockaddr_in dsp_addr;
static unsigned char tx_buffer[DSP_MEM+1];
#if 0
typedef enum { RED, GREEN, AMBER } col_t;
static col_t fg_col, bg_col, hg_col;
#endif
static int port = DSP_DEFAULT_PORT;
static void drv_LEDMatrix_blit(const int row, const int col, const int height, const int width)
{
@@ -102,14 +101,16 @@ static void drv_LEDMatrix_blit(const int row, const int col, const int height, c
for (r = row; r < row + height; r++) {
for (c = col; c < col + width; c++) {
/* drv_generic_graphic_black() returns 1 if pixel is black */
/* drv_generic_graphic_gray() returns a gray value 0..255 */
/* drv_generic_graphic_rgb() returns a RGB color */
if (drv_generic_graphic_black(r, c)) {
tx_buffer[1 + 20*r + c/4] |= 0xc0>>(2*(c&3));
} else {
tx_buffer[1 + 20*r + c/4] &= ~(0xc0>>(2*(c&3)));
}
/* LEDMATRIX supports three colors: 10b == green, 01b == red, 11b == amber */
unsigned char color = 0;
RGBA p = drv_generic_graphic_rgb(r, c);
if( p.G >= 128 ) color |= 0x80;
if( p.R >= 128 ) color |= 0x40;
/* ignore blue ... */
tx_buffer[1 + 20*r + c/4] &= ~(0xc0>>(2*(c&3)));
tx_buffer[1 + 20*r + c/4] |= color>>(2*(c&3));
}
}
@@ -126,6 +127,7 @@ static int drv_LEDMatrix_start(const char *section)
char *s;
struct sockaddr_in cli_addr;
struct hostent *hp;
int val;
IPAddress = cfg_get(section, "IPAddress", NULL);
if (IPAddress == NULL || *IPAddress == '\0') {
@@ -133,6 +135,13 @@ static int drv_LEDMatrix_start(const char *section)
return -1;
}
if (cfg_number(section, "Port", 0, 0, 65535, &val) > 0) {
info("%s: port set to %d", Name, val);
port = val;
} else {
info("%s: using default port", Name, port);
}
/* display size is hard coded */
DCOLS = 80;
DROWS = 32;
@@ -145,7 +154,7 @@ static int drv_LEDMatrix_start(const char *section)
free(s);
/* contact display */
info("%s: contacting %s\n", Name, IPAddress);
info("%s: contacting %s", Name, IPAddress);
/* try to resolve as a hostname */
if((hp = gethostbyname(IPAddress)) == NULL) {
@@ -162,11 +171,11 @@ static int drv_LEDMatrix_start(const char *section)
memset((char *) &dsp_addr, 0, sizeof(dsp_addr));
dsp_addr.sin_family = AF_INET;
dsp_addr.sin_addr.s_addr = *(int*)hp->h_addr;
dsp_addr.sin_port = htons(DSP_PORT);
dsp_addr.sin_port = htons(port);
cli_addr.sin_family = AF_INET;
cli_addr.sin_addr.s_addr = htons(INADDR_ANY);
cli_addr.sin_port = htons(DSP_PORT);
cli_addr.sin_port = htons(port);
if (bind(sock, (struct sockaddr *) &cli_addr, sizeof(cli_addr)) < 0) {
error("%s: can't bind local address: %s", Name, strerror(errno));