convert to use PrivateData; correct dependencies

This commit is contained in:
marschap
2006-04-10 09:55:44 +00:00
parent de16dbf5ed
commit bc03bc0496
2 changed files with 167 additions and 105 deletions
+165 -104
View File
@@ -82,28 +82,30 @@ char lcd_showunderline[] = "\xFE\x0E"; // From Show_UnderLine()
char lcd_hideunderline[] = "\xFE\x0B"; // From Hide_UnderLine()
static int custom = 0;
typedef enum
{
typedef enum {
normal = 1,
hbar = 1,
vbar = 2,
bign = 4,
beat = 8
}
custom_type;
} custom_type;
static int fd = -1;
char framebuf[2][16];
static int width = 16; //was: LCD_DEFAULT_WIDTH; (is now hardcoded)
static int height = 2; //was: LCD_DEFAULT_HEIGHT; (is now hardcoded)
static int cellwidth = LCD_DEFAULT_CELLWIDTH;
static int cellheight = LCD_DEFAULT_CELLHEIGHT;
typedef struct driver_private_data {
char device[256];
int fd;
char framebuf[2][16];
int width;
int height;
int cellwidth;
int cellheight;
custom_type custom;
} PrivateData;
//static void MTC_S16209X_hidecursor ();
//static void MTC_S16209X_hidecursor (Driver *drvthis);
#ifdef CAN_REBOOT_LCD
static void MTC_S16209X_reboot ();
static void MTC_S16209X_reboot (Driver *drvthis);
#endif // CAN_REBOOT_LCD
// Vars for the server core
@@ -118,8 +120,8 @@ MODULE_EXPORT char *symbol_prefix = "MTC_S16209X_";
MODULE_EXPORT int
MTC_S16209X_init (Driver * drvthis)
{
PrivateData *p;
struct termios portset;
char device[256] = MTC_DEFAULT_DEVICE;
int result;
#ifdef CAN_REBOOT_LCD
@@ -131,13 +133,28 @@ MTC_S16209X_init (Driver * drvthis)
int backlight_brightness = 255;
#endif // CAN_CONTROL_BACKLIGHT
/* 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->fd = -1;
p->width = 16; //was: LCD_DEFAULT_WIDTH; (is now hardcoded)
p->height = 2; //was: LCD_DEFAULT_HEIGHT; (is now hardcoded)
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,
MTC_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,
MTC_DEFAULT_DEVICE), sizeof(p->device));
p->device[sizeof(p->device)-1] = '\0';
report(RPT_INFO, "%s: using Device %s", drvthis->name, p->device);
#ifdef CAN_CONTROL_BACKLIGHT
/* Which backlight brightness */
@@ -157,15 +174,15 @@ MTC_S16209X_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);
fcntl(fd, F_SETFL, 0); // Set port for reading
tcgetattr(fd, &portset); // Get current port attributes
fcntl(p->fd, F_SETFL, 0); // Set port for reading
tcgetattr(p->fd, &portset); // Get current port attributes
cfsetispeed(&portset, B2400); // Speed is hardcoded, seems like being the only speed setting it likes
cfsetospeed(&portset, B2400); // Speed is hardcoded, seems like being the only speed setting it likes
portset.c_cflag |= CS8;
@@ -180,10 +197,10 @@ MTC_S16209X_init (Driver * drvthis)
portset.c_cc[VMIN] = 1;
portset.c_cc[VTIME] = 0;
tcflush(fd, TCIFLUSH); // Clear the port buffer
tcsetattr(fd, TCSANOW, &portset); // Apply the new settings
tcflush(p->fd, TCIFLUSH); // Clear the port buffer
tcsetattr(p->fd, TCSANOW, &portset); // Apply the new settings
result = write(fd, lcd_open, sizeof(lcd_open)); // Send the init string to the LCD
result = write(p->fd, lcd_open, sizeof(lcd_open)); // Send the init string to the LCD
if (result < 0)
report(RPT_WARNING, "%s: write(lcd_open) failed (%s)",
drvthis->name, strerror(errno));
@@ -195,14 +212,14 @@ MTC_S16209X_init (Driver * drvthis)
}
#endif // CAN_REBOOT_LCD
result = write(fd, lcd_clearscreen, sizeof(lcd_clearscreen)); // Clear the LCD, unbuffered
result = write(p->fd, lcd_clearscreen, sizeof(lcd_clearscreen)); // Clear the LCD, unbuffered
if (result < 0)
report(RPT_WARNING, "%s: write(lcd_clearscreen) failed (%s)",
drvthis->name, strerror(errno));
report(RPT_DEBUG, "%s: init() done", drvthis->name);
return 0;
return 1;
}
@@ -213,22 +230,28 @@ MTC_S16209X_init (Driver * drvthis)
MODULE_EXPORT void
MTC_S16209X_close (Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
if (fd >= 0) {
int result;
if (p != NULL) {
if (p->fd >= 0) {
int result;
flock(fd, LOCK_EX);
result = write(fd, lcd_close, sizeof (lcd_close)); // Send the close code to LCD
flock(fd, LOCK_UN);
flock(p->fd, LOCK_EX);
result = write(p->fd, lcd_close, sizeof(lcd_close)); // Send the close code to LCD
flock(p->fd, LOCK_UN);
if (result < 0)
report(RPT_WARNING, "%s: write(lcd_close) failed! (%s)",
drvthis->name, strerror(errno));
if (result < 0)
report(RPT_WARNING, "%s: write(lcd_close) failed! (%s)",
drvthis->name, strerror(errno));
usleep(10);
usleep(10);
close(fd);
close(p->fd);
}
free(p);
}
drvthis->store_private_ptr(drvthis, NULL);
}
/////////////////////////////////////////////////////////////////
@@ -237,7 +260,9 @@ MTC_S16209X_close (Driver * drvthis)
MODULE_EXPORT int
MTC_S16209X_width (Driver * drvthis)
{
return width;
PrivateData *p = drvthis->private_data;
return p->width;
}
/////////////////////////////////////////////////////////////////
@@ -246,7 +271,31 @@ MTC_S16209X_width (Driver * drvthis)
MODULE_EXPORT int
MTC_S16209X_height (Driver * drvthis)
{
return height;
PrivateData *p = drvthis->private_data;
return p->height;
}
/////////////////////////////////////////////////////////////////
// Returns the display's cell width
//
MODULE_EXPORT int
MTC_S16209X_cellwidth (Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
return p->cellwidth;
}
/////////////////////////////////////////////////////////////////
// Returns the display's cell height
//
MODULE_EXPORT int
MTC_S16209X_cellheight (Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
return p->cellheight;
}
/////////////////////////////////////////////////////////////////
@@ -255,7 +304,9 @@ MTC_S16209X_height (Driver * drvthis)
MODULE_EXPORT void
MTC_S16209X_clear (Driver * drvthis)
{
memset(framebuf, ' ', sizeof(framebuf)); // Buffered clearscreen
PrivateData *p = drvthis->private_data;
memset(p->framebuf, ' ', sizeof(p->framebuf)); // Buffered clearscreen
}
@@ -268,23 +319,24 @@ MTC_S16209X_flush (Driver * drvthis)
/* TODO: Do we really have a flush for this thing? Do we need to? How do we do it? */
/* TODO Update: yes, we need to buffer and flush - else the LCD looks slow, and flicker a lot */
PrivateData *p = drvthis->private_data;
int result;
// 1st step: flush 1st line:
flock(fd, LOCK_EX);
result = write(fd, lcd_gotoline1, sizeof(lcd_gotoline1)); // Go to the first row
result = write(fd, framebuf[0], sizeof(framebuf[0])); // Send the first row data to LCD
flock(fd, LOCK_UN);
flock(p->fd, LOCK_EX);
result = write(p->fd, lcd_gotoline1, sizeof(lcd_gotoline1)); // Go to the first row
result = write(p->fd, p->framebuf[0], sizeof(p->framebuf[0])); // Send the first row data to LCD
flock(p->fd, LOCK_UN);
if (result < 0)
report(RPT_WARNING, "%s: Couldn't write 1st line (%s)",
drvthis->name, strerror(errno));
// 2nd step: flush 2nd line:
flock(fd, LOCK_EX);
result = write(fd, lcd_gotoline2, sizeof(lcd_gotoline2)); // Go to the second row
result = write(fd, framebuf[1], sizeof(framebuf[1])); // Send the second row data to LCD
flock(fd, LOCK_UN);
flock(p->fd, LOCK_EX);
result = write(p->fd, lcd_gotoline2, sizeof(lcd_gotoline2)); // Go to the second row
result = write(p->fd, p->framebuf[1], sizeof(p->framebuf[1])); // Send the second row data to LCD
flock(p->fd, LOCK_UN);
if (result < 0)
report(RPT_WARNING, "%s: Couldn't write 2nd line (%s)",
@@ -292,8 +344,7 @@ MTC_S16209X_flush (Driver * drvthis)
// Wait until serial port cache has been emptied (else clients gets
// the message to bugger off after a while)
tcdrain(fd);
tcdrain(p->fd);
}
@@ -304,10 +355,13 @@ MTC_S16209X_flush (Driver * drvthis)
MODULE_EXPORT void
MTC_S16209X_chr (Driver * drvthis, int x, int y, char c)
{
x--; // Computers like to count from 0, not 1
y--; // Computers like to count from 0, not 1
PrivateData *p = drvthis->private_data;
framebuf[y][x] = c;
x--; // convert 1-based coords to 0-based
y--;
if ((x >= 0) && (y >= 0) && (x < p->width) && (y < p->height))
p->framebuf[y][x] = c;
}
@@ -320,6 +374,7 @@ MODULE_EXPORT void
MTC_S16209X_backlight (Driver * drvthis, int on)
{
/* TODO: Can the backlights be controlled? Can't find anything in the docs */
//PrivateData *p = drvthis->private_data;
}
#endif //CAN_CONTROL_BACKLIGHT
@@ -329,13 +384,14 @@ MTC_S16209X_backlight (Driver * drvthis, int on)
// Get rid of the blinking cursor
//
static void
MTC_S16209X_hidecursor ()
MTC_S16209X_hidecursor (Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
int result;
flock(fd, LOCK_EX);
result = write(fd, lcd_hidecursor, sizeof(lcd_hidecursor));
flock(fd, LOCK_UN);
flock(p->fd, LOCK_EX);
result = write(p->fd, lcd_hidecursor, sizeof(lcd_hidecursor));
flock(p->fd, LOCK_UN);
if (result < 0)
report(RPT_WARNING, "%s: write(lcd_hidecursor) failed: %s",
@@ -350,27 +406,32 @@ MTC_S16209X_hidecursor ()
// Reset the display bios
//
static void
MTC_S16209X_reboot ()
MTC_S16209X_reboot (Driver * drvthis)
{
PrivateData *p = drvthis->private_data;
int result;
flock(fd, LOCK_EX);
write(fd, lcd_open, sizeof(lcd_open)); // TODO: Will this acctually reboot the LCD? Don't know
flock(fd, LOCK_UN);
flock(p->fd, LOCK_EX);
write(p->fd, lcd_open, sizeof(lcd_open)); // TODO: Will this acctually reboot the LCD? Don't know
flock(p->fd, LOCK_UN);
}
#endif // CAN_REBOOT_LCD
MODULE_EXPORT void
MTC_S16209X_string (Driver * drvthis, int x, int y, char string[])
{
PrivateData *p = drvthis->private_data;
int i;
x--; // Computers like to count from 0, not 1
y--; // Computers like to count from 0, not 1
x--; // convert 1-based coords to 0-based
y--;
for (i = 0; i < strlen(string); i++) {
framebuf[y][x + i] = string[i];
if ((y < 0) || (y >= p->height))
return;
for (i = 0; (string[i] != '\0') && (x < p->width); i++, x++) {
if (x >= 0)
p->framebuf[y][x] = string[i];
}
}
@@ -380,7 +441,8 @@ MTC_S16209X_string (Driver * drvthis, int x, int y, char string[])
static void
MTC_S16209X_init_vbar (Driver * drvthis)
{
char a[] = {
PrivateData *p = drvthis->private_data;
static char a[] = {
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
@@ -390,8 +452,7 @@ MTC_S16209X_init_vbar (Driver * drvthis)
0, 0, 0, 0, 0,
1, 1, 1, 1, 1,
};
char b[] = {
static char b[] = {
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
@@ -401,8 +462,7 @@ MTC_S16209X_init_vbar (Driver * drvthis)
1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
};
char c[] = {
static char c[] = {
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
@@ -412,8 +472,7 @@ MTC_S16209X_init_vbar (Driver * drvthis)
1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
};
char d[] = {
static char d[] = {
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
@@ -423,8 +482,7 @@ MTC_S16209X_init_vbar (Driver * drvthis)
1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
};
char e[] = {
static char e[] = {
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
@@ -434,8 +492,7 @@ MTC_S16209X_init_vbar (Driver * drvthis)
1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
};
char f[] = {
static char f[] = {
0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
1, 1, 1, 1, 1,
@@ -445,8 +502,7 @@ MTC_S16209X_init_vbar (Driver * drvthis)
1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
};
char g[] = {
static char g[] = {
0, 0, 0, 0, 0,
1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
@@ -457,7 +513,7 @@ MTC_S16209X_init_vbar (Driver * drvthis)
1, 1, 1, 1, 1,
};
if (custom != vbar) {
if (p->custom != vbar) {
MTC_S16209X_set_char(drvthis, 1, a);
MTC_S16209X_set_char(drvthis, 2, b);
MTC_S16209X_set_char(drvthis, 3, c);
@@ -465,7 +521,7 @@ MTC_S16209X_init_vbar (Driver * drvthis)
MTC_S16209X_set_char(drvthis, 5, e);
MTC_S16209X_set_char(drvthis, 6, f);
MTC_S16209X_set_char(drvthis, 7, g);
custom = vbar;
p->custom = vbar;
}
}
@@ -475,8 +531,8 @@ MTC_S16209X_init_vbar (Driver * drvthis)
static void
MTC_S16209X_init_hbar (Driver * drvthis)
{
char a[] = {
PrivateData *p = drvthis->private_data;
static char a[] = {
1, 0, 0, 0, 0,
1, 0, 0, 0, 0,
1, 0, 0, 0, 0,
@@ -486,7 +542,7 @@ MTC_S16209X_init_hbar (Driver * drvthis)
1, 0, 0, 0, 0,
1, 0, 0, 0, 0,
};
char b[] = {
static char b[] = {
1, 1, 0, 0, 0,
1, 1, 0, 0, 0,
1, 1, 0, 0, 0,
@@ -496,7 +552,7 @@ MTC_S16209X_init_hbar (Driver * drvthis)
1, 1, 0, 0, 0,
1, 1, 0, 0, 0,
};
char c[] = {
static char c[] = {
1, 1, 1, 0, 0,
1, 1, 1, 0, 0,
1, 1, 1, 0, 0,
@@ -506,7 +562,7 @@ MTC_S16209X_init_hbar (Driver * drvthis)
1, 1, 1, 0, 0,
1, 1, 1, 0, 0,
};
char d[] = {
static char d[] = {
1, 1, 1, 1, 0,
1, 1, 1, 1, 0,
1, 1, 1, 1, 0,
@@ -516,7 +572,7 @@ MTC_S16209X_init_hbar (Driver * drvthis)
1, 1, 1, 1, 0,
1, 1, 1, 1, 0,
};
char e[] = {
static char e[] = {
1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
1, 1, 1, 1, 1,
@@ -527,13 +583,13 @@ MTC_S16209X_init_hbar (Driver * drvthis)
1, 1, 1, 1, 1,
};
if (custom != hbar) {
if (p->custom != hbar) {
MTC_S16209X_set_char(drvthis, 1, a);
MTC_S16209X_set_char(drvthis, 2, b);
MTC_S16209X_set_char(drvthis, 3, c);
MTC_S16209X_set_char(drvthis, 4, d);
MTC_S16209X_set_char(drvthis, 5, e);
custom = hbar;
p->custom = hbar;
}
}
@@ -543,9 +599,11 @@ MTC_S16209X_init_hbar (Driver * drvthis)
MODULE_EXPORT void
MTC_S16209X_vbar (Driver * drvthis, int x, int y, int len, int promille, int options)
{
PrivateData *p = drvthis->private_data;
MTC_S16209X_init_vbar(drvthis);
lib_vbar_static(drvthis, x, y, len, promille, options, cellheight, 0);
lib_vbar_static(drvthis, x, y, len, promille, options, p->cellheight, 0);
}
/////////////////////////////////////////////////////////////////
@@ -554,9 +612,11 @@ MTC_S16209X_vbar (Driver * drvthis, int x, int y, int len, int promille, int opt
MODULE_EXPORT void
MTC_S16209X_hbar (Driver * drvthis, int x, int y, int len, int promille, int options)
{
PrivateData *p = drvthis->private_data;
MTC_S16209X_init_hbar(drvthis);
lib_hbar_static(drvthis, x, y, len, promille, options, cellwidth, 0);
lib_hbar_static(drvthis, x, y, len, promille, options, p->cellwidth, 0);
}
@@ -570,6 +630,7 @@ MTC_S16209X_hbar (Driver * drvthis, int x, int y, int len, int promille, int opt
MODULE_EXPORT void
MTC_S16209X_set_char (Driver * drvthis, int n, char *dat)
{
PrivateData *p = drvthis->private_data;
char out[4];
int row, col;
int letter;
@@ -582,29 +643,30 @@ MTC_S16209X_set_char (Driver * drvthis, int n, char *dat)
return;
snprintf(out, sizeof(out), "%c%c", 0xFE, 64 + (8 * n));
flock(fd, LOCK_EX);
write(fd, out, 2);
flock(fd, LOCK_UN);
flock(p->fd, LOCK_EX);
write(p->fd, out, 2);
flock(p->fd, LOCK_UN);
for (row = 0; row < cellheight; row++) {
for (row = 0; row < p->cellheight; row++) {
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);
flock(fd, LOCK_EX);
write(fd, out, 1);
flock(fd, LOCK_UN);
flock(p->fd, LOCK_EX);
write(p->fd, out, 1);
flock(p->fd, LOCK_UN);
}
}
MODULE_EXPORT int
MTC_S16209X_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,
@@ -615,7 +677,6 @@ MTC_S16209X_icon (Driver * drvthis, int x, int y, int icon)
1, 1, 0, 1, 1,
1, 1, 1, 1, 1
};
static char heart_filled[] = {
1, 1, 1, 1, 1,
1, 0, 1, 0, 1,
+2 -1
View File
@@ -44,6 +44,8 @@ MODULE_EXPORT int MTC_S16209X_init(Driver * drvthis);
MODULE_EXPORT void MTC_S16209X_close(Driver * drvthis);
MODULE_EXPORT int MTC_S16209X_width (Driver *drvthis);
MODULE_EXPORT int MTC_S16209X_height (Driver *drvthis);
MODULE_EXPORT int MTC_S16209X_cellwidth (Driver *drvthis);
MODULE_EXPORT int MTC_S16209X_cellheight (Driver *drvthis);
MODULE_EXPORT void MTC_S16209X_clear (Driver * drvthis);
MODULE_EXPORT void MTC_S16209X_flush(Driver * drvthis);
MODULE_EXPORT void MTC_S16209X_string (Driver * drvthis, int x, int y, char string[]);
@@ -58,4 +60,3 @@ MODULE_EXPORT void MTC_S16209X_set_char(Driver * drvthis, int n, char *dat);
MODULE_EXPORT void MTC_S16209X_backlight(Driver * drvthis, int on);
#endif