AVR A/D example.c - História úprav

Balogh na 07:38, 15. apríl 2021

2021-04-15T07:38:10Z

← Staršia verzia		Verzia z 07:38, 15. apríl 2021
Riadok 32:		Riadok 32:


	[[A/D_prevodník\|Návrat na cvičenie 11...]]		[[A/D_prevodník\|Návrat na cvičenie...]]

	[[Category: AVR]][[Category: CAD_RS]]
			[[Category: AVR]][[Category: MIPS]][[Category: CAD_RS]]

Balogh na 07:37, 15. apríl 2021

2021-04-15T07:37:42Z

← Staršia verzia		Verzia z 07:37, 15. apríl 2021
Riadok 32:		Riadok 32:


	[[~~CADRS Cvičenie 11~~\|Návrat na cvičenie 11...]]		[[A/D_prevodník\|Návrat na cvičenie 11...]]

	[[Category: AVR]][[Category: CAD_RS]]		[[Category: AVR]][[Category: CAD_RS]]

Balogh na 22:07, 2. december 2008

2008-12-02T22:07:34Z

← Staršia verzia		Verzia z 22:07, 2. december 2008
Riadok 1:		Riadok 1:
			Jednoduchý prevod na vyžiadanie:

	<source lang="c">		<source lang="c">
	#include <avr/io.h>		#include <avr/io.h>

	void adc_init(void); // A/D converter initialization		void adc_init(void); // A/D converter initialization

	int main(void)		int main(void)
Riadok 8:		Riadok 10:
	unsigned int buffer;		unsigned int buffer;

	adc_init(); // Init A/D converter		adc_init(); // Init A/D converter

	while (1)		while (1)
	{		{
	ADCSRA \|= (1<<ADSC); // Start A/D conversion		ADCSRA \|= (1<<ADSC); // Start A/D conversion
	while ( !(ADCSRA & (1<<ADIF)) ~~/* Do nothing */~~ ; // Wait until AD not finished		while ( !(ADCSRA & (1<<ADIF))); // Wait until AD not finished
	buffer = (ADCH<<8) \| ADCL~~; // Then, read result~~		buffer = ADC; // Then, read result (ADCH<<8) \| ADCL)
	}		}

Riadok 20:		Riadok 22:


	void adc_init(void) // A/D converter initialization		void adc_init(void) // A/D converter initialization
	{		{
	ADMUX = 0; // Ref: external, Channel 0 (~~ADC0~~)		ADMUX = 0b01000100; // Ref: external, Channel 4 (ADC4) - NTC
	ADCSRA = (1<<ADEN)\|(1<<ADPS2)\|(1<<ADPS1); // A/D ON, prescaler = ~~64,~~		ADCSRA = (1<<ADEN)\|(1<<ADPS2)\|(1<<ADPS1)\|(1<<ADPS0); // =0b10000111, A/D ON, prescaler = 128
	~~SFIOR = 0; // Specialfunctions OFF~~
	}		}
	</source>		</source>

Balogh na 20:10, 1. december 2008

2008-12-01T20:10:33Z

← Staršia verzia		Verzia z 20:10, 1. december 2008
Riadok 27:		Riadok 27:
	}		}
	</source>		</source>




			[[CADRS Cvičenie 11\|Návrat na cvičenie 11...]]

			[[Category: AVR]][[Category: CAD_RS]]

Balogh na 23:04, 30. november 2008

2008-11-30T23:04:45Z

← Staršia verzia		Verzia z 23:04, 30. november 2008
Riadok 2:		Riadok 2:
	#include <avr/io.h>		#include <avr/io.h>

	~~/* Analog/Digital Wandler initialisieren */~~		void adc_init(void); // A/D converter initialization
	void adc_init(void);


	int main(void)		int main(void)
	{		{
			unsigned int buffer;

	~~unsigned int buffer~~;		adc_init(); // Init A/D converter

	/* A/D ~~- Wandler initialisieren~~ */		while (1)
	~~adc_init~~();		{
			ADCSRA \|= (1<<ADSC); // Start A/D conversion
			while ( !(ADCSRA & (1<<ADIF)) /* Do nothing */ ; // Wait until AD not finished
			buffer = (ADCH<<8) \| ADCL; // Then, read result
			}

	~~while (1)~~		}
	{

	~~/* Wandlung starten */~~
	~~ADCSRA \|= (1<<ADSC);~~

	~~/* Warten bis die AD-Wandlung abgeschloßen ist */~~
	~~while ( !(ADCSRA & (1<<ADIF)) )~~
	;

	~~/* AD-Wert auslesen */~~
	~~buffer = (ADCH<<8) \| ADCL;~~

	}

	}

	~~/* Analog/Digital Wandler initialisieren */~~		void adc_init(void) // A/D converter initialization
	void adc_init(void)
	{		{
			ADMUX = 0; // Ref: external, Channel 0 (ADC0)
	~~/* externe Referenzspannung und AD-Wandlerkanal 0 ( ADC0 ) auswählen */~~		ADCSRA = (1<<ADEN)\|(1<<ADPS2)\|(1<<ADPS1); // A/D ON, prescaler = 64,
	ADMUX = 0;		SFIOR = 0; // Specialfunctions OFF

	/* AD-Wandler einschalten und Prescaler = 64 einstellen ( ~~enstpricht 115 khz Wandlertakt~~ ) */
	ADCSRA = (1<<ADEN)\|(1<<ADPS2)\|(1<<ADPS1);

	/~~* Spezialfunktionen ausschalten *~~/
	SFIOR = 0;
	}		}
	</source>		</source>

Balogh na 22:58, 30. november 2008

2008-11-30T22:58:49Z

← Staršia verzia		Verzia z 22:58, 30. november 2008
Riadok 1:		Riadok 1:
			<source lang="c">
	#include <avr/io.h>		#include <avr/io.h>

Riadok 44:		Riadok 44:
	SFIOR = 0;		SFIOR = 0;
	}		}
			</source>

Balogh: Nová stránka: #include /* Analog/Digital Wandler initialisieren / void adc_init(void); int main(void) { unsigned int buffer; / A/D - Wandler initialisieren */ adc_init(); w...

2008-11-30T22:58:26Z

Nová stránka: #include <avr/io.h> Analog/Digital Wandler initialisieren: void adc_init(void); int main(void) { unsigned int buffer; A/D - Wandler initialisieren: adc_init(); w...

Nová stránka

#include <avr/io.h>

/* Analog/Digital Wandler initialisieren */
void adc_init(void);

int main(void)
{

unsigned int buffer;

/* A/D - Wandler initialisieren */
adc_init();

while (1)
{

/* Wandlung starten */
ADCSRA |= (1<<ADSC);

/* Warten bis die AD-Wandlung abgeschloßen ist */
while ( !(ADCSRA & (1<<ADIF)) )
;

/* AD-Wert auslesen */
buffer = (ADCH<<8) | ADCL;

}

}

/* Analog/Digital Wandler initialisieren */
void adc_init(void)
{

/* externe Referenzspannung und AD-Wandlerkanal 0 ( ADC0 ) auswählen */
ADMUX = 0;

/* AD-Wandler einschalten und Prescaler = 64 einstellen ( enstpricht 115 khz Wandlertakt ) */
ADCSRA = (1<<ADEN)|(1<<ADPS2)|(1<<ADPS1);

/* Spezialfunktionen ausschalten */
SFIOR = 0;
}