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Added a shift register on pins PA0 to PA2

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This commit is contained in:
Michael Mandl 2017-02-19 15:13:30 +01:00
parent c7250b33af
commit 84bc0babdb
3 changed files with 112 additions and 101 deletions
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162
Distancer.cppproj
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@ -47,112 +47,66 @@
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<ItemGroup> <ItemGroup>
@ -165,6 +119,12 @@
<Compile Include="Distancer.cpp"> <Compile Include="Distancer.cpp">
<SubType>compile</SubType> <SubType>compile</SubType>
</Compile> </Compile>
<Compile Include="LcdShiftReg.cpp">
<SubType>compile</SubType>
</Compile>
<Compile Include="LcdShiftReg.h">
<SubType>compile</SubType>
</Compile>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<Folder Include="DeviceLib" /> <Folder Include="DeviceLib" />

35
LcdShiftReg.cpp Normal file
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@ -0,0 +1,35 @@
#include "LcdShiftReg.h"
#include <avr/io.h>
LcdShiftReg::LcdShiftReg()
{
DDRA |= (1 << PA0) | (1 << PA1) | (1 << PA2);
}
void LcdShiftReg::setPin(volatile uint8_t *port, uint8_t pin, bool value) const
{
if (value == true)
{
*port |= (1 << pin);
}
else
{
*port &= ~(1 << pin);
}
}
void LcdShiftReg::setSerialPin(bool value)
{
setPin(&PORTA, PA2, value);
}
void LcdShiftReg::setShiftPin(bool value)
{
setPin(&PORTA, PA0, value);
}
void LcdShiftReg::setStoragePin(bool value)
{
setPin(&PORTA, PA1, value);
}

16
LcdShiftReg.h Normal file
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@ -0,0 +1,16 @@
#pragma once
#include "DeviceLib/ShiftRegister.h"
class LcdShiftReg : public ShiftRegister
{
public:
LcdShiftReg();
private:
void setPin(volatile uint8_t *port, uint8_t pin, bool value) const;
virtual void setSerialPin(bool value) override;
virtual void setShiftPin(bool value) override;
virtual void setStoragePin(bool value) override;
};