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Move LiquidCrystal merged files

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This commit is contained in:
Rik Veenboer
2016-08-28 19:44:09 +01:00
parent 9662941762
commit 768ab1254d
9 changed files with 33 additions and 955 deletions
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44
lib/LiquidCrystal/LiquidCrystal.cpp
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@@ -67,13 +67,6 @@ void LiquidCrystal::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t en
_data_pins[6] = d6;
_data_pins[7] = d7;
pinMode(_rs_pin, OUTPUT);
// we can save 1 pin by not using RW. Indicate by passing 255 instead of pin#
if (_rw_pin != 255) {
pinMode(_rw_pin, OUTPUT);
}
pinMode(_enable_pin, OUTPUT);
if (fourbitmode)
_displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
else
@@ -87,13 +80,27 @@ void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
_displayfunction |= LCD_2LINE;
}
_numlines = lines;
_currline = 0;
setRowOffsets(0x00, 0x40, 0x00 + cols, 0x40 + cols);
// for some 1 line displays you can select a 10 pixel high font
if ((dotsize != 0) && (lines == 1)) {
if ((dotsize != LCD_5x8DOTS) && (lines == 1)) {
_displayfunction |= LCD_5x10DOTS;
}
pinMode(_rs_pin, OUTPUT);
// we can save 1 pin by not using RW. Indicate by passing 255 instead of pin#
if (_rw_pin != 255) {
pinMode(_rw_pin, OUTPUT);
}
pinMode(_enable_pin, OUTPUT);
// Do these once, instead of every time a character is drawn for speed reasons.
for (int i=0; i<((_displayfunction & LCD_8BITMODE) ? 8 : 4); ++i)
{
pinMode(_data_pins[i], OUTPUT);
}
// SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
// according to datasheet, we need at least 40ms after power rises above 2.7V
// before sending commands. Arduino can turn on way before 4.5V so we'll wait 50
@@ -157,6 +164,14 @@ void LiquidCrystal::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
}
void LiquidCrystal::setRowOffsets(int row0, int row1, int row2, int row3)
{
_row_offsets[0] = row0;
_row_offsets[1] = row1;
_row_offsets[2] = row2;
_row_offsets[3] = row3;
}
/********** high level commands, for the user! */
void LiquidCrystal::clear()
{
@@ -172,12 +187,15 @@ void LiquidCrystal::home()
void LiquidCrystal::setCursor(uint8_t col, uint8_t row)
{
int row_offsets[] = { 0x00, 0x40, 0x14, 0x54 };
const size_t max_lines = sizeof(_row_offsets) / sizeof(*_row_offsets);
if ( row >= max_lines ) {
row = max_lines - 1; // we count rows starting w/0
}
if ( row >= _numlines ) {
row = _numlines-1; // we count rows starting w/0
row = _numlines - 1; // we count rows starting w/0
}
command(LCD_SETDDRAMADDR | (col + row_offsets[row]));
command(LCD_SETDDRAMADDR | (col + _row_offsets[row]));
}
// Turn the display on/off (quickly)
@@ -293,7 +311,6 @@ void LiquidCrystal::pulseEnable(void) {
void LiquidCrystal::write4bits(uint8_t value) {
for (int i = 0; i < 4; i++) {
pinMode(_data_pins[i], OUTPUT);
digitalWrite(_data_pins[i], (value >> i) & 0x01);
}
@@ -302,7 +319,6 @@ void LiquidCrystal::write4bits(uint8_t value) {
void LiquidCrystal::write8bits(uint8_t value) {
for (int i = 0; i < 8; i++) {
pinMode(_data_pins[i], OUTPUT);
digitalWrite(_data_pins[i], (value >> i) & 0x01);
}