Ruakij/Geigercounter
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Renamed some variables

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Fixed comments
Changed clock-speed to 16MHz (Onboard Oscillator is 16MHz)
This commit is contained in:
Railz 2019-03-05 13:01:27 +01:00
parent dc36f3c7da
commit aa6be9199c
1 changed files with 27 additions and 25 deletions
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52
Geigerzaehler/main.c
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@ -8,7 +8,7 @@
* MController : AtMega328P
* Board : Arduino Nano
*/
#define F_CPU 20000000UL // Clock speed: 20 MHz - Maximum of AtMega328P
#define F_CPU 16000000UL // Clock speed: 16 MHz - Maximum of AtMega328P
// Macros
#define bit_get(p,m) ((p) & (m))
@ -23,33 +23,34 @@
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdint.h>
#include <time.h>
// Global variable declaration
uint32_t currTick = 0; // Todo: Method/Interrupt to get the current-tick
bool enable_boost = false;
bool boost_enable = 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;
bool signalOutput_enable = false;
bool signalOutput_nextHigh = true;
uint32_t signalOutput_nextTick = 0;
int main()
{
DDRD &= ~(1<<2); // Activate PD2
DDRD &= ~(1<<3); // Activate PD3
DDRD &= ~(1<<2); // Activate input PD2
DDRD &= ~(1<<3); // Activate input 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 D2
PORTD |= (1<<3); // Enable pull-up-resistor D3
// Interrupt for INT0 Pin-D2 High-voltage check
EICRA |= (0 << ISC01)|(1 << ISC00); // Only at any edge [Code: 01]
EICRA |= (0 << ISC01)|(1 << ISC00); // On at any edge [Code: 01]
EIMSK |= (1 << INT0); // Activate Interrupt INT0
// Interrupt for INT1 Pin-D3 Counter-click
EICRA |= (1 << ISC11)|(1 << ISC10); // Only at rising edge [Code: 11]
EICRA |= (1 << ISC11)|(1 << ISC10); // On rising edge [Code: 11]
EIMSK |= (1 <<INT1); // Activate Interrupt INT1
sei(); // Activate global interrupts
@ -58,7 +59,7 @@ int main()
while (1)
{
// HighVoltage boosting
if(enable_boost)
if(boost_enable)
{
if(currTick >= boost_highVoltage_nextTick) // If we are on or after the tick it should be executed
{
@ -90,26 +91,26 @@ int main()
// Signal output
if(enable_signalOutput)
if(signalOutput_enable)
{
if(currTick >= signal_Output_nextTick) // If we are on or after the tick it should be executed
if(currTick >= signalOutput_nextTick) // If we are on or after the tick it should be executed
{
// Set pin according to next exec
if(signal_Output_nextHigh) // Set it high
if(signalOutput_nextHigh) // Set it high
{
bit_set(PD5, 1);
bit_set(PD6, 1);
signal_Output_nextHigh = false; // Next is low
signalOutput_nextHigh = false; // Next is low
}
else // Set it low
{
bit_set(PD5, 0);
bit_set(PD6, 0);
signal_Output_nextHigh = true; // Next is high
signalOutput_nextHigh = true; // Next is high
}
// When the signal should stop
signal_Output_nextTick = currTick + 101 // Todo: Add calculation for signalOutput low time
signalOutput_nextTick = currTick + 101 // Todo: Add calculation for signalOutput low time
}
}
}
@ -119,32 +120,33 @@ int main()
* Interrupt-handler
* ISR - Interrupt service routine
*/
// Address: 0x001 INT0 - Only at any edge [Code: 01]
// Address: 0x001 INT0 - On any edge [Code: 01]
// Handles: Over/Below working voltage
ISR(INT0_vect)
{
if(PIND&0x20 == 0x00) // Falling edge
{
// Below ~400V, activate booster
enable_boost = true;
boost_enable = true;
}
else // Rising edge
{
// Reached ~400V, deactivate booster
enable_boost = false;
boost_enable = false;
}
reti(); // Exit interrupt-handler
}
// Address: 0x002 INT1 - Only at rising edge [Code: 11]
// Address: 0x002 INT1 - On rising edge [Code: 11]
// Handles: Counter tube "tick"
ISR(INT1_vect)
{
// Tick detected, signalOutput
enable_signalOutput = true;
signalOutput_enable = true;
// Execute immediately
signal_Output_nextTick = 0;
signalOutput_nextTick = 0;
reti(); // Exit interrupt-handler
}
}