Ruakij/Geigercounter
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Changed INT0 to any edge

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Added execution for highVoltage and signalOutput
Added highVoltage boosting
Added signal output
This commit is contained in:
Railz 2019-02-28 17:51:54 +01:00
parent 4e1ede21ff
commit c720cc76e2
1 changed files with 89 additions and 12 deletions
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101
Geigerzaehler/main.c
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@ -1,8 +1,6 @@
/*
* geigerzaehler.c
*
=======
>>>>>>> f39ee6c90de22ce1514bb4f9e7e3e3116efac22f
* Created : 28.02.2019 09:07:22
* Author : John Ditgens, Alexander Brandscheidt
* Git-Repository : https://gitea.Railduction.eu/JohnD/Geigerzaehler.git
@ -12,13 +10,30 @@
*/
#define F_CPU 20000000UL // Clock speed: 20 MHz - Maximum of AtMega328P
// Macros
#define bit_get(p,m) ((p) & (m))
#define bit_set(p,m) ((p) |= (m))
#define bit_clear(p,m) ((p) &= ~(m))
#define bit_flip(p,m) ((p) ^= (m))
#define bit_write(c,p,m) (c ? bit_set(p,m) : bit_clear(p,m))
#define BIT(x) (0x01 << (x))
#define LONGBIT(x) ((unsigned long)0x00000001 << (x))
// Imports
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdint.h>
// Global variable declaration
uint8_t test = 0;
uint32_t currTick = 0;
bool enable_boost = false;
bool boost_highVoltage_nextHigh = true;
uint32_t boost_highVoltage_nextTick = 0;
bool enable_signalOutput = false;
bool signal_Output_nextHigh = true;
uint32_t signal_Output_nextTick = 0;
int main()
@ -26,16 +41,11 @@ int main()
DDRD &= ~(1<<2); // Activate PD2
DDRD &= ~(1<<3); // Activate PD3
PORTD |= (1<<2); // Enable Pull Up Resistor Pin D2
PORTD |= (1<<3); // Enable Pull Up Resistor Pin D3
PORTD |= (1<<2); // Enable pull-up-resistor Pin-D2
PORTD |= (1<<3); // Enable pull-up-resistor Pin-D3
EICRA |= (1 << ISC11)|(1 << ISC10); // Only at raising edge
EIMSK |= (1 << INT1); // Activate Interrupt INT0
EICRA |= (1 << ISC00); // Only at falling edge
EIMSK |= (1 << INT0); // Activate Interrupt INT1
// Interrupt for INT0 Pin-D2 High-voltage check
EICRA |= (1 << ISC01)|(0 << ISC00); // Only at falling edge [1|0]
EICRA |= (0 << ISC01)|(1 << ISC00); // Only at any edge [0|1]
EIMSK |= (1 << INT0); // Activate Interrupt INT0
// Interrupt for INT1 Pin-D3 Counter-click
@ -47,6 +57,61 @@ int main()
// Endless loop
while (1)
{
// HighVoltage boosting
if(enable_boost)
{
if(currTick >= boost_highVoltage_nextTick) // If we are on or after the tick it should be executed
{
// Set pin according to next exec
if(boost_highVoltage_nextHigh) // Set it high
{
bit_set(PD4, 1);
boost_highVoltage_nextHigh = false; // Next is low
}
else // Set it low
{
bit_set(PD4, 0);
boost_highVoltage_nextHigh = true; // Next is high
}
// Calculate when next high/low should be set
boost_highVoltage_nextTick = currTick + 101 // Todo: Add calculation for pin high/low time
}
}else
{
if(boost_highVoltage_nextTick > 0) // If boosting is deactivated, but the nextTick was not reset yet
{
// Reset boost-state
bit_set(PD4, 0);
boost_highVoltage_nextHigh = true;
boost_highVoltage_nextTick = 0;
}
}
// Signal output
if(enable_signalOutput)
{
if(currTick >= signal_Output_nextTick) // If we are on or after the tick it should be executed
{
// Set pin according to next exec
if(boost_highVoltage_nextHigh) // Set it high
{
bit_set(PD5, 1);
bit_set(PD6, 1);
boost_highVoltage_nextHigh = false; // Next is low
}
else // Set it low
{
bit_set(PD5, 0);
bit_set(PD6, 0);
boost_highVoltage_nextHigh = true; // Next is high
}
// When the signal should stop
boost_highVoltage_nextTick = currTick + 101 // Todo: Add calculation for pin high/low time
}
}
}
}
@ -57,13 +122,25 @@ int main()
// Address: 0x001 INT0
ISR(INT0_vect)
{
if(PIND&0x20 == 0x00) // Falling edge
{
// Below ~400V, activate booster
enable_boost = true;
}
else // Rising edge
{
// Reached ~400V, deactivate booster
enable_boost = false;
}
reti(); // Exit interrupt-handler
}
ISR(INT1_vect)
{
// Tick detected, signalOutput
enable_signalOutput = true;
reti(); // Exit interrupt-handler
}