Frozenverse/LiquidCrystal_I2C
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workaround for WEH001602 (WS0010 based) display

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This commit is contained in:
Mateusz Szafraniec
2018-01-25 23:28:47 +01:00
parent 4bb48bd648
commit 6aa5b8b47a
3 changed files with 10 additions and 1 deletions
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9
LiquidCrystal_I2C.cpp
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@@ -52,6 +52,11 @@ LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr,uint8_t lcd_cols,uint8_t l
_backlightval = LCD_NOBACKLIGHT;
}
void LiquidCrystal_I2C::oled_init(){
_oled = true;
init_priv();
}
void LiquidCrystal_I2C::init(){
init_priv();
}
@@ -77,7 +82,8 @@ void LiquidCrystal_I2C::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
// 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 befer 4.5V so we'll wait 50
delay(50);
if (_oled) delay(500);
else delay(50);
// Now we pull both RS and R/W low to begin commands
expanderWrite(_backlightval); // reset expanderand turn backlight off (Bit 8 =1)
@@ -127,6 +133,7 @@ void LiquidCrystal_I2C::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
void LiquidCrystal_I2C::clear(){
command(LCD_CLEARDISPLAY);// clear display, set cursor position to zero
delayMicroseconds(2000); // this command takes a long time!
if (_oled) setCursor(0,0);
}
void LiquidCrystal_I2C::home(){