More formatting changes, new tags file.

This commit is contained in:
William Ferrell
2000-04-03 22:13:57 +00:00
parent 0d703c5864
commit 6a115b4446
64 changed files with 8950 additions and 8950 deletions
+95 -95
View File
@@ -61,127 +61,127 @@ static unsigned char EnMask[] = { EN1, EN2, EN3, STRB, LF, INIT, SEL };
static int EnMaskSize = sizeof (EnMask) / sizeof (unsigned char);
static unsigned int lptPort;
static int extIF = 0; // non-zero if extended interface
static int extIF = 0; // non-zero if extended interface
// initialisation function
int
hd_init_4bit (HD44780_functions * hd44780_functions, lcd_logical_driver * driver, char *args, unsigned int port)
{
// TODO: remove magic numbers below
char *argv[64];
int argc;
int i;
int displayID = EN1 | EN2;
// TODO: remove magic numbers below
char *argv[64];
int argc;
int i;
int displayID = EN1 | EN2;
lptPort = port;
lptPort = port;
hd44780_functions->senddata = lcdstat_HD44780_senddata;
hd44780_functions->senddata = lcdstat_HD44780_senddata;
// parse command-line arguments
argc = get_args (argv, args, 64);
// parse command-line arguments
argc = get_args (argv, args, 64);
for (i = 0; i < argc; ++i) {
if (strcmp (argv[i], "-e") == 0 || strcmp (argv[i], "--extended") == 0) {
extIF = 1;
if ((ioperm (port + 2, 1, 255)) == -1) {
fprintf (stderr, "HD44780_init: failed (%s)\n", strerror (errno));
return -1;
}
}
}
for (i = 0; i < argc; ++i) {
if (strcmp (argv[i], "-e") == 0 || strcmp (argv[i], "--extended") == 0) {
extIF = 1;
if ((ioperm (port + 2, 1, 255)) == -1) {
fprintf (stderr, "HD44780_init: failed (%s)\n", strerror (errno));
return -1;
}
}
}
// powerup the lcd now
if (extIF) {
displayID |= EN3;
port_out (lptPort + 2, 0 ^ OUTMASK);
}
// powerup the lcd now
if (extIF) {
displayID |= EN3;
port_out (lptPort + 2, 0 ^ OUTMASK);
}
port_out (lptPort, displayID | 0x03);
if (extIF)
port_out (lptPort + 2, (EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6]) ^ OUTMASK);
hd44780_functions->uPause (1);
port_out (lptPort, 0x03);
if (extIF)
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (4100);
port_out (lptPort, displayID | 0x03);
if (extIF)
port_out (lptPort + 2, (EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6]) ^ OUTMASK);
hd44780_functions->uPause (1);
port_out (lptPort, 0x03);
if (extIF)
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (4100);
port_out (lptPort, displayID | 0x03);
if (extIF)
port_out (lptPort + 2, (EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6]) ^ OUTMASK);
hd44780_functions->uPause (1);
port_out (lptPort, 0x03);
if (extIF)
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (100);
port_out (lptPort, displayID | 0x03);
if (extIF)
port_out (lptPort + 2, (EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6]) ^ OUTMASK);
hd44780_functions->uPause (1);
port_out (lptPort, 0x03);
if (extIF)
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (100);
port_out (lptPort, displayID | 0x03);
if (extIF)
port_out (lptPort + 2, (EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6]) ^ OUTMASK);
hd44780_functions->uPause (1);
port_out (lptPort, 0x03);
if (extIF)
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (40);
port_out (lptPort, displayID | 0x03);
if (extIF)
port_out (lptPort + 2, (EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6]) ^ OUTMASK);
hd44780_functions->uPause (1);
port_out (lptPort, 0x03);
if (extIF)
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (40);
// now in 8-bit mode... set 4-bit mode
port_out (lptPort, displayID | 0x02);
if (extIF)
port_out (lptPort + 2, (EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6]) ^ OUTMASK);
hd44780_functions->uPause (1);
port_out (lptPort, 0x02);
if (extIF)
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (40);
// now in 8-bit mode... set 4-bit mode
port_out (lptPort, displayID | 0x02);
if (extIF)
port_out (lptPort + 2, (EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6]) ^ OUTMASK);
hd44780_functions->uPause (1);
port_out (lptPort, 0x02);
if (extIF)
port_out (lptPort + 2, 0 ^ OUTMASK);
hd44780_functions->uPause (40);
common_init (IF_4bit);
return 0;
common_init (IF_4bit);
return 0;
}
// lcdstat_HD44780_senddata
void
lcdstat_HD44780_senddata (unsigned char displayID, unsigned char iflags, unsigned char ch)
{
unsigned char dispID = 0, flags = 0;
unsigned char h = (ch >> 4) & 0x0f; // high and low nibbles
unsigned char l = ch & 0x0f;
unsigned char dispID = 0, flags = 0;
unsigned char h = (ch >> 4) & 0x0f; // high and low nibbles
unsigned char l = ch & 0x0f;
if (iflags == RS_INSTR)
flags = 0;
else //if (iflags == RS_DATA)
flags = RS;
if (iflags == RS_INSTR)
flags = 0;
else //if (iflags == RS_DATA)
flags = RS;
if (displayID <= 3) {
if (displayID == 0)
dispID = EnMask[0] | EnMask[1] | EnMask[2];
else
dispID = EnMask[displayID - 1];
if (displayID <= 3) {
if (displayID == 0)
dispID = EnMask[0] | EnMask[1] | EnMask[2];
else
dispID = EnMask[displayID - 1];
port_out (lptPort, flags | h);
hd44780_functions->uPause (2);
port_out (lptPort, dispID | flags | h);
hd44780_functions->uPause (4);
port_out (lptPort, flags | h);
port_out (lptPort, flags | h);
hd44780_functions->uPause (2);
port_out (lptPort, dispID | flags | h);
hd44780_functions->uPause (4);
port_out (lptPort, flags | h);
port_out (lptPort, dispID | flags | l);
hd44780_functions->uPause (4);
port_out (lptPort, flags | l);
}
port_out (lptPort, dispID | flags | l);
hd44780_functions->uPause (4);
port_out (lptPort, flags | l);
}
if (extIF && (displayID == 0 || displayID >= 4)) {
if (displayID == 0)
dispID = EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6];
else
dispID = EnMask[(displayID - 1) % EnMaskSize];
if (extIF && (displayID == 0 || displayID >= 4)) {
if (displayID == 0)
dispID = EnMask[3] | EnMask[4] | EnMask[5] | EnMask[6];
else
dispID = EnMask[(displayID - 1) % EnMaskSize];
port_out (lptPort, flags | h);
hd44780_functions->uPause (2);
port_out (lptPort + 2, dispID ^ OUTMASK);
hd44780_functions->uPause (4);
port_out (lptPort + 2, 0 ^ OUTMASK);
port_out (lptPort, flags | h);
hd44780_functions->uPause (2);
port_out (lptPort + 2, dispID ^ OUTMASK);
hd44780_functions->uPause (4);
port_out (lptPort + 2, 0 ^ OUTMASK);
port_out (lptPort, flags | l);
port_out (lptPort + 2, dispID ^ OUTMASK);
hd44780_functions->uPause (4);
port_out (lptPort + 2, 0 ^ OUTMASK);
}
port_out (lptPort, flags | l);
port_out (lptPort + 2, dispID ^ OUTMASK);
hd44780_functions->uPause (4);
port_out (lptPort + 2, 0 ^ OUTMASK);
}
}