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Geigercounter
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Renamed some variables

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Fixed comments
Changed clock-speed to 16MHz (Onboard Oscillator is 16MHz)
master
Railz 6 years ago
parent dc36f3c7da
commit aa6be9199c
1 changed files with 27 additions and 25 deletions
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50
Geigerzaehler/main.c
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@ -8,7 +8,7 @@
* MController : AtMega328P * MController : AtMega328P
* Board : Arduino Nano * 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 // Macros
#define bit_get(p,m) ((p) & (m)) #define bit_get(p,m) ((p) & (m))
@ -23,33 +23,34 @@
#include <avr/io.h> #include <avr/io.h>
#include <avr/interrupt.h> #include <avr/interrupt.h>
#include <stdint.h> #include <stdint.h>
#include <time.h>
// Global variable declaration // Global variable declaration
uint32_t currTick = 0; // Todo: Method/Interrupt to get the current-tick 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; bool boost_highVoltage_nextHigh = true;
uint32_t boost_highVoltage_nextTick = 0; uint32_t boost_highVoltage_nextTick = 0;
bool enable_signalOutput = false; bool signalOutput_enable = false;
bool signal_Output_nextHigh = true; bool signalOutput_nextHigh = true;
uint32_t signal_Output_nextTick = 0; uint32_t signalOutput_nextTick = 0;
int main() int main()
{ {
DDRD &= ~(1<<2); // Activate PD2 DDRD &= ~(1<<2); // Activate input PD2
DDRD &= ~(1<<3); // Activate PD3 DDRD &= ~(1<<3); // Activate input PD3
PORTD |= (1<<2); // Enable pull-up-resistor Pin-D2 PORTD |= (1<<2); // Enable pull-up-resistor D2
PORTD |= (1<<3); // Enable pull-up-resistor Pin-D3 PORTD |= (1<<3); // Enable pull-up-resistor D3
// Interrupt for INT0 Pin-D2 High-voltage check // 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 EIMSK |= (1 << INT0); // Activate Interrupt INT0
// Interrupt for INT1 Pin-D3 Counter-click // 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 EIMSK |= (1 <<INT1); // Activate Interrupt INT1
sei(); // Activate global interrupts sei(); // Activate global interrupts
@ -58,7 +59,7 @@ int main()
while (1) while (1)
{ {
// HighVoltage boosting // 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 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 // 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 // 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(PD5, 1);
bit_set(PD6, 1); bit_set(PD6, 1);
signal_Output_nextHigh = false; // Next is low signalOutput_nextHigh = false; // Next is low
} }
else // Set it low else // Set it low
{ {
bit_set(PD5, 0); bit_set(PD5, 0);
bit_set(PD6, 0); bit_set(PD6, 0);
signal_Output_nextHigh = true; // Next is high signalOutput_nextHigh = true; // Next is high
} }
// When the signal should stop // 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 * Interrupt-handler
* ISR - Interrupt service routine * 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 // Handles: Over/Below working voltage
ISR(INT0_vect) ISR(INT0_vect)
{ {
if(PIND&0x20 == 0x00) // Falling edge if(PIND&0x20 == 0x00) // Falling edge
{ {
// Below ~400V, activate booster // Below ~400V, activate booster
enable_boost = true; boost_enable = true;
} }
else // Rising edge else // Rising edge
{ {
// Reached ~400V, deactivate booster // Reached ~400V, deactivate booster
enable_boost = false; boost_enable = false;
} }
reti(); // Exit interrupt-handler 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" // Handles: Counter tube "tick"
ISR(INT1_vect) ISR(INT1_vect)
{ {
// Tick detected, signalOutput // Tick detected, signalOutput
enable_signalOutput = true; signalOutput_enable = true;
// Execute immediately // Execute immediately
signal_Output_nextTick = 0; signalOutput_nextTick = 0;
reti(); // Exit interrupt-handler reti(); // Exit interrupt-handler
} }

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