/* Logical LCD operations */
void Nokia1202::begin(boolean useCursor, uint8_t contrast, uint8_t tabSpacing)
{
uint16_t i;
_contrast = contrast;
_useCursor = useCursor;
_tabSpacing = tabSpacing;
digitalWrite(_csPin, HIGH);
pinMode(_csPin, OUTPUT);
delay(1);
issuecmd(STE2007_CMD_RESET, 0, STE2007_MASK_RESET); // Soft RESET
issuecmd(STE2007_CMD_DPYALLPTS, 0, STE2007_MASK_DPYALLPTS); // Powersave ALLPOINTS-ON mode turned OFF
issuecmd(STE2007_CMD_PWRCTL, 7, STE2007_MASK_PWRCTL); // Power control set to max
issuecmd(STE2007_CMD_ONOFF, 1, STE2007_MASK_ONOFF); // Display ON
issuecmd(STE2007_CMD_COMDIR, 0, STE2007_MASK_COMDIR); // Display common driver = NORMAL
issuecmd(STE2007_CMD_SEGMENTDIR, 0, STE2007_MASK_SEGMENTDIR); // Lines start at the left
issuecmd(STE2007_CMD_ELECTVOL, _contrast, STE2007_MASK_ELECTVOL); // Electronic volume set to user specified contrast
clear();
issue_compoundcmd(STE2007_CMD_REFRESHRATE, 3, STE2007_MASK_REFRESHRATE); // Refresh rate = 65Hz
issue_compoundcmd(STE2007_CMD_CHARGEPUMP, 0, STE2007_MASK_CHARGEPUMP); // Charge Pump multiply factor = 5x
issuecmd(STE2007_CMD_SETBIAS, 6, STE2007_MASK_SETBIAS); // Bias ratio = 1/4
issue_compoundcmd(STE2007_CMD_VOP, 0, STE2007_MASK_VOP);
issuecmd(STE2007_CMD_DPYREV, 0, STE2007_MASK_DPYREV); // Display normal (not inverted)
}
bool PWSRun::runcmd(const StringX &run_command, const bool &bAutotype) const
{
// Get first parameter either enclosed by quotes or delimited by a space
StringX full_string(run_command), first_part(_T("")), the_rest(_T(""));
StringX env_var, sx_temp(_T(""));
StringX::size_type end_delim;
bool bfound(true);
TrimLeft(full_string, _T(" "));
if (full_string.c_str()[0] == _T('"')) {
end_delim = full_string.find(_T('"'), 1);
first_part = full_string.substr(1, end_delim - 1);
the_rest = full_string.substr(end_delim + 1);
} else {
end_delim = full_string.find(_T(' '));
if (end_delim != StringX::npos) {
first_part = full_string.substr(0, end_delim);
the_rest = full_string.substr(end_delim + 1);
} else
first_part = full_string;
}
// tokenize into separate elements using % as the field separator.
// If this corresponds to a set envrionmental variable - replace it
// and rebuild the command
for (StringX::size_type st_startpos = 0;
st_startpos < first_part.size();
/* st_startpos advanced in body */) {
StringX::size_type st_next = first_part.find(_T('%'), st_startpos);
if (st_next == StringX::npos) {
sx_temp += first_part.substr(st_startpos);
break;
}
if (st_next > 0) {
env_var = first_part.substr(st_startpos, st_next - st_startpos);
size_t mblen = pws_os::wcstombs(NULL, 0, env_var.c_str(), size_t(-1), false);
unsigned char * mbtemp = new unsigned char[mblen + 1];
// Finally get result
size_t tmplen = pws_os::wcstombs((char *)mbtemp, mblen, env_var.c_str(),
size_t(-1), false);
if (tmplen != mblen) {
return false;
}
mbtemp[mblen - 1] = '\0';
StringX envar = (pws_os::getenv((char *)mbtemp, false)).c_str();
if (!envar.empty()) {
sx_temp += envar;
} else {
sx_temp += StringX(_T("%")) + env_var + StringX(_T("%"));
}
}
st_startpos = st_next + 1; // too complex for for statement
} // tokenization for loop
// Replace string by rebuilt string
first_part = sx_temp;
first_part = getruncmd(first_part, bfound);
bool rc;
if (bfound)
rc = issuecmd(first_part, the_rest, bAutotype);
else
rc = issuecmd(full_string, _T(""), bAutotype);
return rc;
}
/* Set contrast; val is a scale from 0-31 and configures the Electronic Volume setting.
* 16 is the default.
*/
void Nokia1202::contrast(uint8_t val)
{
if (val > 31) // Input validation
val = 31;
issuecmd(STE2007_CMD_ELECTVOL, val, STE2007_MASK_ELECTVOL);
}
/* STE2007 datasheet lists ONOFF=0, DPYALLPTS=1 as a "Power saver" mode. */
void Nokia1202::powersave(boolean onoff) // 1 = power-saver mode, 0 = normal mode
{
issuecmd(STE2007_CMD_DPYALLPTS, onoff, STE2007_MASK_DPYALLPTS);
issuecmd(STE2007_CMD_ONOFF, !onoff, STE2007_MASK_ONOFF);
}
/* Just for fun... */
void Nokia1202::invert(boolean onoff)
{
issuecmd(STE2007_CMD_DPYREV, onoff, STE2007_MASK_DPYREV);
}
/* Set DDRAM cursor */
void Nokia1202::setxy(uint8_t x, uint8_t y)
{
issuecmd(STE2007_CMD_LINE, y, STE2007_MASK_LINE);
issuecmd(STE2007_CMD_COLMSB, x >> 4, STE2007_MASK_COLMSB);
issuecmd(STE2007_CMD_COLLSB, x, STE2007_MASK_COLLSB);
}
