Crash_Override/MMDVMHost-Private
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Correct HD44780 custom character behaviour

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Overwriting a CGRAM location also changes any characters already displayed on the LCD which use that CGRAM location!
This commit is contained in:
Tony Corbett G0WFV 2016-07-24 13:49:58 +01:00
parent 6a755e9889
commit c7175f66f5
1 changed files with 58 additions and 25 deletions
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83
HD44780.cpp
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@ -94,6 +94,7 @@ unsigned char toChar[8] =
0b00010
};
/*
// Custom "M" character used in MMDVM logo
unsigned char mChar[8] =
{
@ -133,6 +134,8 @@ unsigned char vChar[8] =
0b11111
};
*/
// Icon-based custom character for RF traffic
unsigned char rfChar[8] =
{
@ -222,16 +225,10 @@ bool CHD44780::open()
::lcdCursorBlink(m_fd, 0);
::lcdCharDef(m_fd, 0, fmChar);
::lcdCharDef(m_fd, 1, toChar);
::lcdCharDef(m_fd, 2, mChar);
::lcdCharDef(m_fd, 3, dChar);
::lcdCharDef(m_fd, 4, vChar);
/*
* TG, private call, RF and network icons defined as needed - ran out of CGRAM locations
* on the HD44780! Theoretically, we now have infinite custom characters to play with,
* just be mindful of the slow speed of CGRAM hence the lcdPosition call to delay just
* long enough so the CGRAM can be written before we try to read it.
*/
::lcdCharDef(m_fd, 2, rfChar);
::lcdCharDef(m_fd, 3, ipChar);
::lcdCharDef(m_fd, 4, privChar);
::lcdCharDef(m_fd, 5, tgChar);
return true;
}
@ -357,11 +354,14 @@ void CHD44780::setIdleInt()
// Print MMDVM and Idle on bottom row for all screen sizes
::lcdPosition(m_fd, 0, m_rows - 1);
/*
::lcdPutchar(m_fd, 2);
::lcdPutchar(m_fd, 2);
::lcdPutchar(m_fd, 3);
::lcdPutchar(m_fd, 4);
::lcdPutchar(m_fd, 2);
*/
::lcdPuts(m_fd, "MMDVM");
::lcdPosition(m_fd, m_cols - 4, m_rows - 1);
::lcdPuts(m_fd, "Idle"); // Gets overwritten by clock on 2 line screen
@ -389,11 +389,14 @@ void CHD44780::setErrorInt(const char* text)
}
::lcdPosition(m_fd, 0, 0);
/*
::lcdPutchar(m_fd, 2);
::lcdPutchar(m_fd, 2);
::lcdPutchar(m_fd, 3);
::lcdPutchar(m_fd, 4);
::lcdPutchar(m_fd, 2);
*/
::lcdPuts(m_fd, "MMDVM");
::lcdPosition(m_fd, 0, 1);
::lcdPrintf(m_fd, "%s ERROR", text);
@ -420,11 +423,14 @@ void CHD44780::setLockoutInt()
}
::lcdPosition(m_fd, 0, 0);
/*
::lcdPutchar(m_fd, 2);
::lcdPutchar(m_fd, 2);
::lcdPutchar(m_fd, 3);
::lcdPutchar(m_fd, 4);
::lcdPutchar(m_fd, 2);
*/
::lcdPuts(m_fd, "MMDVM");
::lcdPosition(m_fd, 0, 1);
::lcdPuts(m_fd, "Lockout");
@ -462,10 +468,13 @@ void CHD44780::writeDStarInt(const char* my1, const char* my2, const char* your,
::lcdPosition(m_fd, 0, (m_rows / 2) - 1);
::lcdPrintf(m_fd, "%.8s/%.4s", my1, my2);
::lcdCharDef(m_fd, 5, strcmp(type, "R") == 0 ? rfChar : ipChar);
::lcdPosition(m_fd, m_cols - 1, (m_rows / 2) - 1);
::lcdPutchar(m_fd, 5);
if (strcmp(type, "R") == 0) {
::lcdPutchar(m_fd, 2);
} else {
::lcdPutchar(m_fd, 3);
}
::sprintf(m_buffer1, "%.8s", your);
@ -573,12 +582,20 @@ void CHD44780::writeDMRInt(unsigned int slotNo, const std::string& src, bool gro
m_dmrScrollTimer1.start();
}
::lcdCharDef(m_fd, 6, group ? tgChar : privChar);
::lcdCharDef(m_fd, 5, strcmp(type, "R") == 0 ? rfChar : ipChar);
::lcdPosition(m_fd, m_cols - 3U, (m_rows / 2) - 1);
::lcdPuts(m_fd, " ");
::lcdPutchar(m_fd, 6);
::lcdPutchar(m_fd, 5);
if (group) {
::lcdPutchar(m_fd, 5);
} else {
::lcdPutchar(m_fd, 4);
}
if (strcmp(type, "R") == 0) {
::lcdPutchar(m_fd, 2);
} else {
::lcdPutchar(m_fd, 3);
}
} else {
::lcdPosition(m_fd, 0, (m_rows / 2));
::lcdPuts(m_fd, "2 ");
@ -592,29 +609,45 @@ void CHD44780::writeDMRInt(unsigned int slotNo, const std::string& src, bool gro
m_dmrScrollTimer2.start();
}
::lcdCharDef(m_fd, 6, group ? tgChar : privChar);
::lcdCharDef(m_fd, 5, strcmp(type, "R") == 0 ? rfChar : ipChar);
::lcdPosition(m_fd, m_cols - 3U, (m_rows / 2));
::lcdPuts(m_fd, " ");
::lcdPutchar(m_fd, 6);
::lcdPutchar(m_fd, 5);
if (group) {
::lcdPutchar(m_fd, 5);
} else {
::lcdPutchar(m_fd, 4);
}
if (strcmp(type, "R") == 0) {
::lcdPutchar(m_fd, 2);
} else {
::lcdPutchar(m_fd, 3);
}
}
} else {
::lcdPosition(m_fd, 0, (m_rows / 2) - 1);
::lcdPutchar(m_fd, 0);
::sprintf(m_buffer2, " %s%s", src.c_str(), DEADSPACE);
::lcdPrintf(m_fd, "%.*s", m_cols - 4U, m_buffer2);
::lcdCharDef(m_fd, 5, strcmp(type, "R") == 0 ? rfChar : ipChar);
::lcdPosition(m_fd, m_cols - 1U, (m_rows / 2) - 1);
::lcdPutchar(m_fd, 5);
if (strcmp(type, "R") == 0) {
::lcdPutchar(m_fd, 2);
} else {
::lcdPutchar(m_fd, 3);
}
::lcdPosition(m_fd, 0, (m_rows / 2));
::lcdPutchar(m_fd, 1);
::sprintf(m_buffer2, " %s%s%s", group ? "TG" : "", dst.c_str(), DEADSPACE);
::lcdPrintf(m_fd, "%.*s", m_cols - 4U, m_buffer2);
::lcdCharDef(m_fd, 6, group ? tgChar : privChar);
::lcdPosition(m_fd, m_cols - 1U, (m_rows / 2));
::lcdPutchar(m_fd, 6);
if (group) {
::lcdPutchar(m_fd, 5);
} else {
::lcdPutchar(m_fd, 4);
}
}
m_dmr = true;
}