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LCD display works

master
mandlm 2016-01-15 13:19:29 +01:00
parent d28b573e76
commit 7c85e773c6
2 changed files with 54 additions and 19 deletions
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62
LCD/LCD/KS0066.cpp
View File

@ -2,7 +2,8 @@
#include <util/delay.h>
KS0066::KS0066(ShiftRegister &shiftRegister) : m_shiftRegister(shiftRegister)
KS0066::KS0066(ShiftRegister &shiftRegister)
: m_shiftRegister(&shiftRegister)
{
initDisplay();
}
@ -11,18 +12,24 @@ void KS0066::initDisplay()
{
_delay_ms(30);
functionSet(false, false, true);
onOffControl(true, true, true);
execute((1 << m_db5) | 1 << m_db4);
_delay_ms(5);
execute((1 << m_db5) | 1 << m_db4);
_delay_us(100);
execute((1 << m_db5) | 1 << m_db4);
execute((1 << m_db5));
functionSet(false, true, true);
onOffControl(true, false, false);
displayClear();
entryMode(true, false);
sendChar('i');
sendChar('n');
sendChar('i');
sendChar('t');
sendString("ready.");
}
void KS0066::functionSet(bool interface8bit, bool twoLine, bool displayOn)
void KS0066::functionSet(bool interface8bit, bool twoLine, bool displayFont)
{
uint8_t command = 0b00100000;
@ -36,14 +43,14 @@ void KS0066::functionSet(bool interface8bit, bool twoLine, bool displayOn)
command |= (1 << 3);
}
if (displayOn)
if (displayFont)
{
command |= (1 << 2);
}
sendCommand(command);
_delay_us(39);
_delay_us(53);
}
void KS0066::onOffControl(bool displayOn, bool cursorOn, bool blinkingOn)
@ -67,7 +74,7 @@ void KS0066::onOffControl(bool displayOn, bool cursorOn, bool blinkingOn)
sendCommand(command);
_delay_us(39);
_delay_us(53);
}
void KS0066::displayClear()
@ -76,7 +83,7 @@ void KS0066::displayClear()
sendCommand(command);
_delay_ms(1.53);
_delay_ms(2.16);
}
void KS0066::entryMode(bool incrementMode, bool entireShift)
@ -95,7 +102,12 @@ void KS0066::entryMode(bool incrementMode, bool entireShift)
sendCommand(command);
_delay_us(39);
_delay_us(53);
}
void KS0066::setCursorPos(uint8_t line, uint8_t column)
{
sendCommand(0b10000000 + column + (line * 40));
}
void KS0066::sendCommand(uint8_t data)
@ -107,7 +119,22 @@ void KS0066::sendChar(char c)
{
sendByte(c, false);
_delay_us(43);
_delay_us(53);
}
void KS0066::sendString(const char *string)
{
uint8_t count = 0;
while (string != nullptr && *string != 0 && count < (m_lines * m_columns))
{
if (count % m_columns == 0)
{
setCursorPos(count / m_columns, 0);
}
sendChar(*string);
string++;
count++;
}
}
void KS0066::sendByte(uint8_t data, bool isCommand)
@ -148,7 +175,7 @@ void KS0066::sendByte(uint8_t data, bool isCommand)
registerValue |= (1 << m_db7);
}
if (data & (1 << 3))
if (data & (1 << 2))
{
registerValue |= (1 << m_db6);
}
@ -169,11 +196,10 @@ void KS0066::sendByte(uint8_t data, bool isCommand)
void KS0066::execute(uint8_t registerValue)
{
registerValue |= (1 << m_e);
m_shiftRegister.output(registerValue);
m_shiftRegister->output(registerValue);
_delay_us(2);
registerValue &= ~(1 << m_e);
m_shiftRegister.output(registerValue);
m_shiftRegister->output(registerValue);
}

11
LCD/LCD/KS0066.h
View File

@ -1,5 +1,7 @@
#pragma once
#include "environment.h"
#include <avr/io.h>
#include "ShiftRegister.h"
@ -7,7 +9,7 @@
class KS0066
{
private:
ShiftRegister &m_shiftRegister;
ShiftRegister *m_shiftRegister;
static const uint8_t m_rs = 0;
static const uint8_t m_rw = 1;
@ -17,6 +19,9 @@ private:
static const uint8_t m_db6 = 5;
static const uint8_t m_db7 = 6;
uint8_t m_lines = 2;
uint8_t m_columns = 16;
public:
KS0066(ShiftRegister &shiftRegister);
@ -28,8 +33,12 @@ private:
void displayClear();
void entryMode(bool incrementMode, bool entireShift);
void setCursorPos(uint8_t line, uint8_t column);
void sendCommand(uint8_t data);
void sendChar(char c);
void sendString(const char *string);
void sendByte(uint8_t data, bool isCommand);