mangavalk/lcdproc
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convert to use PrivateData

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This commit is contained in:
marschap
2006-04-10 08:45:42 +00:00
parent 3cf6f73132
commit de16dbf5ed
2 changed files with 166 additions and 95 deletions
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server/drivers/lb216.c
+164 -95
View File
@@ -42,23 +42,30 @@
#define LB216_DEFAULT_SPEED 9600
#define LB216_DEFAULT_BRIGHTNESS 255
static int custom=0;
typedef enum {
normal = 0,
hbar = 1,
vbar = 2,
bign = 4,
beat = 8 } custom_type;
beat = 8
} custom_type;
typedef struct driver_private_data {
char device[256];
int speed;
int fd;
char *framebuf;
int width;
int height;
int cellwidth;
int cellheight;
int backlight_brightness;
custom_type custom;
} PrivateData;
static int fd = -1;
static char *framebuf = NULL;
static int width = LCD_DEFAULT_WIDTH;
static int height = LCD_DEFAULT_HEIGHT;
static int cellwidth = LCD_DEFAULT_CELLWIDTH;
static int cellheight = LCD_DEFAULT_CELLHEIGHT;
static void LB216_hidecursor();
static void LB216_reboot();
static void LB216_hidecursor(Driver * drvthis);
static void LB216_reboot(Driver * drvthis);
// Vars for the server core
MODULE_EXPORT char *api_version = API_VERSION;
@@ -75,38 +82,52 @@ MODULE_EXPORT char *symbol_prefix = "LB216_";
MODULE_EXPORT int
LB216_init(Driver * drvthis)
{
struct termios portset;
int reboot = 0;
char device[256] = LB216_DEFAULT_DEVICE;
int speed = LB216_DEFAULT_SPEED;
int backlight_brightness = LB216_DEFAULT_BRIGHTNESS;
PrivateData *p;
struct termios portset;
int reboot = 0;
/* Allocate and store private data */
p = (PrivateData *) calloc(1, sizeof(PrivateData));
if (p == NULL)
return -1;
if (drvthis->store_private_ptr(drvthis, p))
return -1;
/* initialize private data */
p->speed = LB216_DEFAULT_SPEED;
p->fd = -1;
p->framebuf = NULL;
p->width = LCD_DEFAULT_WIDTH;
p->height = LCD_DEFAULT_HEIGHT;
p->cellwidth = LCD_DEFAULT_CELLWIDTH;
p->cellheight = LCD_DEFAULT_CELLHEIGHT;
p->custom = normal;
/* Read config file */
/* What device should be used */
strncpy(device, drvthis->config_get_string(drvthis->name, "Device", 0,
LB216_DEFAULT_DEVICE), sizeof(device));
device[sizeof(device)-1] = '\0';
report(RPT_INFO, "%s: using Device %s", drvthis->name, device);
strncpy(p->device, drvthis->config_get_string(drvthis->name, "Device", 0,
LB216_DEFAULT_DEVICE), sizeof(p->device));
p->device[sizeof(p->device)-1] = '\0';
report(RPT_INFO, "%s: using Device %s", drvthis->name, p->device);
/* What speed to use */
speed = drvthis->config_get_int(drvthis->name, "Speed", 0, LB216_DEFAULT_SPEED);
p->speed = drvthis->config_get_int(drvthis->name, "Speed", 0, LB216_DEFAULT_SPEED);
if (speed == 2400) speed = B2400;
else if (speed == 9600) speed = B9600;
if (p->speed == 2400) p->speed = B2400;
else if (p->speed == 9600) p->speed = B9600;
else {
report(RPT_WARNING, "%s: illegal Speed: %d; must be 2400 or 9600; using default %d",
drvthis->name, speed, LB216_DEFAULT_SPEED);
speed = B9600;
drvthis->name, p->speed, LB216_DEFAULT_SPEED);
p->speed = B9600;
}
/* Which backlight brightness */
backlight_brightness = drvthis->config_get_int(drvthis->name, "Brightness", 0, LB216_DEFAULT_BRIGHTNESS);
if ((backlight_brightness < 0) || (backlight_brightness > 255)) {
p->backlight_brightness = drvthis->config_get_int(drvthis->name, "Brightness", 0, LB216_DEFAULT_BRIGHTNESS);
if ((p->backlight_brightness < 0) || (p->backlight_brightness > 255)) {
report(RPT_WARNING, "%s: Brightness must be between 0 and 255; using default %d",
drvthis->name, backlight_brightness);
backlight_brightness = LB216_DEFAULT_BRIGHTNESS;
drvthis->name, LB216_DEFAULT_BRIGHTNESS);
p->backlight_brightness = LB216_DEFAULT_BRIGHTNESS;
}
/* Reboot display? */
@@ -115,14 +136,14 @@ LB216_init(Driver * drvthis)
/* End of config file parsing */
// Set up io port correctly, and open it...
fd = open(device, O_RDWR | O_NOCTTY | O_NDELAY);
if (fd == -1) {
report(RPT_ERR, "%s: open(%s) failed (%s)", drvthis->name, device, strerror(errno));
p->fd = open(p->device, O_RDWR | O_NOCTTY | O_NDELAY);
if (p->fd == -1) {
report(RPT_ERR, "%s: open(%s) failed (%s)", drvthis->name, p->device, strerror(errno));
return -1;
}
report(RPT_DEBUG, "%s: opened device %s", drvthis->name, device);
report(RPT_DEBUG, "%s: opened device %s", drvthis->name, p->device);
tcgetattr(fd, &portset);
tcgetattr(p->fd, &portset);
// We use RAW mode
#ifdef HAVE_CFMAKERAW
@@ -139,30 +160,30 @@ LB216_init(Driver * drvthis)
#endif
// Set port speed
cfsetospeed(&portset, speed);
cfsetospeed(&portset, p->speed);
cfsetispeed(&portset, B0);
// Do it...
tcsetattr(fd, TCSANOW, &portset);
tcsetattr(p->fd, TCSANOW, &portset);
// Make sure the frame buffer is there...
framebuf = malloc(width * height);
if (framebuf == NULL) {
p->framebuf = malloc(p->width * p->height);
if (p->framebuf == NULL) {
report(RPT_ERR, "%s: unable to create framebuffer", drvthis->name);
return -1;
}
memset (framebuf, ' ', width * height);
memset(p->framebuf, ' ', p->width * p->height);
// Set display-specific stuff..
if (reboot) {
report(RPT_INFO, "%s: rebooting LCD...", drvthis->name);
LB216_reboot();
LB216_reboot(drvthis);
sleep(4);
reboot = 0;
}
sleep(1);
LB216_hidecursor();
LB216_backlight(drvthis, backlight_brightness);
LB216_hidecursor(drvthis);
LB216_backlight(drvthis, p->backlight_brightness);
report(RPT_DEBUG, "%s: init() done", drvthis->name);
@@ -177,12 +198,18 @@ LB216_init(Driver * drvthis)
MODULE_EXPORT void
LB216_close(Driver * drvthis)
{
if (fd >= 0)
close(fd);
PrivateData *p = drvthis->private_data;
if (framebuf)
free(framebuf);
framebuf = NULL;
if (p != NULL) {
if (p->fd >= 0)
close(p->fd);
if (p->framebuf)
free(p->framebuf);
free(p);
}
drvthis->store_private_ptr(drvthis, NULL);
}
/////////////////////////////////////////////////////////////////
@@ -191,7 +218,9 @@ LB216_close(Driver * drvthis)
MODULE_EXPORT int
LB216_width (Driver *drvthis)
{
return width;
PrivateData *p = drvthis->private_data;
return p->width;
}
/////////////////////////////////////////////////////////////////
@@ -200,16 +229,44 @@ LB216_width (Driver *drvthis)
MODULE_EXPORT int
LB216_height (Driver *drvthis)
{
return height;
PrivateData *p = drvthis->private_data;
return p->height;
}
/////////////////////////////////////////////////////////////////
// Returns the display's cell width
//
MODULE_EXPORT int
LB216_cellwidth (Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
return p->cellwidth;
}
/////////////////////////////////////////////////////////////////
// Returns the display's cell height
//
MODULE_EXPORT int
LB216_cellheight (Driver *drvthis)
{
PrivateData *p = drvthis->private_data;
return p->cellheight;
}
/////////////////////////////////////////////////////////////////
// Clears the LCD screen
//
MODULE_EXPORT void
LB216_clear (Driver * drvthis)
{
memset(framebuf, ' ', width * height);
PrivateData *p = drvthis->private_data;
memset(p->framebuf, ' ', p->width * p->height);
}
@@ -219,26 +276,26 @@ LB216_clear (Driver * drvthis)
MODULE_EXPORT void
LB216_flush(Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
char out[LCD_MAX_WIDTH * LCD_MAX_HEIGHT];
int i, j;
snprintf(out, sizeof(out), "%c%c", 254, 80);
write(fd, out, 2);
write(p->fd, out, 2);
for (j = 0; j < height; j++) {
for (j = 0; j < p->height; j++) {
if (j >= 2)
snprintf(out, sizeof(out), "%c%c", 254, 148 + (64 * (j - 2)));
else
snprintf(out, sizeof(out), "%c%c", 254, 128 + (64 * j));
write(fd, out, 2);
write(p->fd, out, 2);
for (i = 0; i < width; i++)
write(fd, &framebuf[i + (j * width)], 1);
for (i = 0; i < p->width; i++)
write(p->fd, &p->framebuf[i + (j * p->width)], 1);
}
}
/////////////////////////////////////////////////////////////////
// Prints a character on the lcd display, at position (x,y). The
// upper-left is (1,1), and the lower right should be (16,2).
@@ -246,20 +303,16 @@ LB216_flush(Driver * drvthis)
MODULE_EXPORT void
LB216_chr(Driver * drvthis, int x, int y, char c)
{
//y--;
// x--;
PrivateData *p = drvthis->private_data;
//if (c < 32 && c >= 0) c += 128;
// framebuf[(y*width) + x] = c;
y--;
x--;
// char chr[1];
// snprintf(chr, sizeof(chr), "%c", c);
// Above two lines are incorrect (Joris)
char chr[2];
chr[0] = c;
chr[1] = 0;
LB216_string(drvthis, x, y, chr);
if ((unsigned char) c == 254) /* protect command starting char */
c= '#';
if ((x >= 0) && (y >= 0) && (x < p->width) && (y < p->height))
p->framebuf[(y * p->width) + x] = c;
}
@@ -270,49 +323,60 @@ LB216_chr(Driver * drvthis, int x, int y, char c)
MODULE_EXPORT void
LB216_backlight(Driver * drvthis, int on)
{
PrivateData *p = drvthis->private_data;
char out[4];
snprintf(out, sizeof(out), "%c%c", 254, (on) ? 253 : 252);
write(fd, out, 2);
write(p->fd, out, 2);
}
/////////////////////////////////////////////////////////////////
// Get rid of the blinking curson
//
static void LB216_hidecursor()
static void LB216_hidecursor(Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
char out[4];
snprintf(out, sizeof(out), "%c%c", 254, 12);
write(fd, out, 2);
write(p->fd, out, 2);
}
/////////////////////////////////////////////////////////////////
// Reset the display bios
//
static void LB216_reboot()
static void LB216_reboot(Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
char out[4];
snprintf(out, sizeof(out), "%c%c", 254, 1);
write(fd, out, 2);
write(p->fd, out, 2);
}
MODULE_EXPORT void
LB216_string (Driver * drvthis, int x, int y, char string[])
{
PrivateData *p = drvthis->private_data;
int i;
//printf("%d,%d:%s\n",x,y,string);
y--;x--;
for (i = 0; string[i] != '\0'; i++) {
char c = string[i];
y--;
x--;
if (c == '\254') /* is this correct ? */
if ((y < 0) || (y >= p->height))
return;
for (i = 0; (string[i] != '\0') && (x < p->width); i++, x++) {
unsigned char c = string[i];
if (c == 254) /* protect command starting char */
c= '#';
framebuf[(y * width) + x + i] = c;
if (x >= 0)
p->framebuf[(y * p->width) + x] = c;
}
}
@@ -322,6 +386,7 @@ LB216_string (Driver * drvthis, int x, int y, char string[])
MODULE_EXPORT void
LB216_init_vbar(Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
char a[] = {
0,0,0,0,0,
0,0,0,0,0,
@@ -393,7 +458,7 @@ LB216_init_vbar(Driver * drvthis)
1,1,1,1,1,
};
if (custom != vbar) {
if (p->custom != vbar) {
LB216_set_char(drvthis, 1, a);
LB216_set_char(drvthis, 2, b);
LB216_set_char(drvthis, 3, c);
@@ -401,7 +466,7 @@ LB216_init_vbar(Driver * drvthis)
LB216_set_char(drvthis, 5, e);
LB216_set_char(drvthis, 6, f);
LB216_set_char(drvthis, 7, g);
custom = vbar;
p->custom = vbar;
}
}
@@ -411,7 +476,7 @@ LB216_init_vbar(Driver * drvthis)
MODULE_EXPORT void
LB216_init_hbar(Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
char a[] = {
1,0,0,0,0,
1,0,0,0,0,
@@ -463,13 +528,13 @@ LB216_init_hbar(Driver * drvthis)
1,1,1,1,1,
};
if (custom != hbar) {
if (p->custom != hbar) {
LB216_set_char(drvthis, 1, a);
LB216_set_char(drvthis, 2, b);
LB216_set_char(drvthis, 3, c);
LB216_set_char(drvthis, 4, d);
LB216_set_char(drvthis, 5, e);
custom = hbar;
p->custom = hbar;
}
}
@@ -479,16 +544,17 @@ LB216_init_hbar(Driver * drvthis)
MODULE_EXPORT void
LB216_vbar(Driver * drvthis, int x, int len)
{
PrivateData *p = drvthis->private_data;
char map[9] = { 32, 1, 2, 3, 4, 5, 6, 7, 255 };
int y;
for (y = height; y > 0 && len > 0; y--) {
if (len >= cellheight)
for (y = p->height; (y > 0) && (len > 0); y--) {
if (len >= p->cellheight)
LB216_chr(drvthis, x, y, map[8]);
else
LB216_chr(drvthis, x, y, map[len]);
len -= cellheight;
len -= p->cellheight;
}
}
@@ -498,15 +564,16 @@ LB216_vbar(Driver * drvthis, int x, int len)
MODULE_EXPORT void
LB216_hbar(Driver * drvthis, int x, int y, int len)
{
PrivateData *p = drvthis->private_data;
char map[7] = { 32, 1, 2, 3, 4, 5 };
for ( ; x <= width && len > 0; x++) {
if (len >= cellwidth)
for ( ; (x <= p->width) && (len > 0); x++) {
if (len >= p->cellwidth)
LB216_chr(drvthis, x, y, map[5]);
else
LB216_chr(drvthis, x, y, map[len]);
len -= cellwidth;
len -= p->cellwidth;
}
}
@@ -521,6 +588,7 @@ LB216_hbar(Driver * drvthis, int x, int y, int len)
MODULE_EXPORT void
LB216_set_char(Driver * drvthis, int n, char *dat)
{
PrivateData *p = drvthis->private_data;
char out[4];
int row, col;
@@ -530,17 +598,17 @@ LB216_set_char(Driver * drvthis, int n, char *dat)
return;
snprintf(out, sizeof(out), "%c%c", 254, 64 + (8 * n));
write(fd, out, 2);
write(p->fd, out, 2);
for (row = 0; row < cellheight; row++) {
for (row = 0; row < p->cellheight; row++) {
int letter = 1;
for (col = 0; col < cellwidth; col++) {
for (col = 0; col < p->cellwidth; col++) {
letter <<= 1;
letter |= (dat[(row * cellwidth) + col] > 0);
letter |= (dat[(row * p->cellwidth) + col] > 0);
}
snprintf(out, sizeof(out), "%c", letter);
write(fd, out, 1);
write(p->fd, out, 1);
}
}
@@ -548,6 +616,7 @@ LB216_set_char(Driver * drvthis, int n, char *dat)
MODULE_EXPORT int
LB216_icon(Driver * drvthis, int x, int y, int icon)
{
//PrivateData *p = drvthis->private_data;
static char heart_open[] = {
1, 1, 1, 1, 1,
1, 0, 1, 0, 1,
server/drivers/lb216.h
+2
View File
@@ -7,6 +7,8 @@ MODULE_EXPORT int LB216_init(Driver * drvthis);
MODULE_EXPORT void LB216_close(Driver * drvthis);
MODULE_EXPORT int LB216_width (Driver *drvthis);
MODULE_EXPORT int LB216_height (Driver *drvthis);
MODULE_EXPORT int LB216_cellwidth (Driver *drvthis);
MODULE_EXPORT int LB216_cellheight (Driver *drvthis);
MODULE_EXPORT void LB216_clear (Driver * drvthis);
MODULE_EXPORT void LB216_flush(Driver * drvthis);
MODULE_EXPORT void LB216_string (Driver * drvthis, int x, int y, char string[]);