AVR ExamplePWMgenerator.c - História úprav

StudentDVPS na 08:21, 9. november 2012

2012-11-09T08:21:00Z

← Staršia verzia		Verzia z 08:21, 9. november 2012
Riadok 6:		Riadok 6:
	/* placed by students themselves!!! */		/* placed by students themselves!!! */
	/* ******************************************************** */		/* ******************************************************** */

	~~#include <avr\io.h>~~

	~~#define SW1 0~~
	~~#define SW2 1~~
	~~#define SW3 2~~
	~~#define SW4 3~~

	~~#define RedLED 5~~

	int main(void) {		int main(void) {

Balogh na 07:37, 3. november 2011

2011-11-03T07:37:42Z

← Staršia verzia		Verzia z 07:37, 3. november 2011
Riadok 2:		Riadok 2:
	/* ******************************************************** */		/* ******************************************************** */
	/* Example 10.1. Timer counter 1 as a PWM generator */		/* Example 10.1. Timer counter 1 as a PWM generator */
	/* ~~Modulates LED connected on PB5, SW1 and SW2 changes duty */~~		/* */
	~~/* SW3 and 4 control the red LED~~ */
	/* Warning: The values are NOT CORRECT, they should be re- */		/* Warning: The values are NOT CORRECT, they should be re- */
	/* placed by students themselves!!! */		/* placed by students themselves!!! */

Balogh na 07:37, 3. november 2011

2011-11-03T07:37:00Z

← Staršia verzia		Verzia z 07:37, 3. november 2011
Riadok 19:		Riadok 19:
	int main(void) {		int main(void) {

	/* ********************* Init device ~~MiniMEXLE~~ ****************************** */		/* ********************* Init device ****************************** */

	DDRB = 0b00000000; // ~~PORTB: PWM - PB1, PB2 (LED) is output, PB6, 7 IN!!!~~		DDRB = 0b00000000; //
	PORTB = 0b00000000; // ~~LED Active low, LED off, No pull-ups~~		PORTB = 0b00000000; //

	DDRC = 0b00000000; // ~~PORTC LED on PC5 is output, SW1-4 are inputs~~		DDRC = 0b00000000; //
	PORTC = ~~0b0000000~~; // ~~LED Active high, LED off, pull-ups ON~~		PORTC = 0b00000000; //

	/* ********************* Init T1 as a PWM generator ************************* */		/* ********************* Init T1 as a PWM generator ************************* */
Riadok 36:		Riadok 36:


	for (;;~~) {~~		for (;;);
	~~if( bit_is_clear(PINC, SW1)) { // Switch 1~~
	~~OCR1A += 32; // Increment OCR~~
	~~OCR1B += 32;~~
	~~loop_until_bit_is_set(PINC, SW1);~~
	}

	~~if(bit_is_clear(PINC, SW2)){ // Switch 2~~
	~~OCR1A -= 32; // Decrement OCR~~
	~~OCR1B -= 32;~~
	~~loop_until_bit_is_set(PINC, SW2~~);
	}

	~~if(bit_is_clear(PINC, SW3)){ // Switch 3~~
	~~PORTC \|= (1<<RedLED);~~ ~~// Red LED ON~~
	~~loop_until_bit_is_set(PINC, SW3);~~
	}

	~~if(bit_is_clear(PINC, SW4)) { // Switch 4~~
	~~PORTC &= ~(1<<RedLED); // Red LED OFF~~
	~~loop_until_bit_is_set(PINC, SW4);~~
	}
	}

	}		}

Balogh na 11:18, 26. október 2011

2011-10-26T11:18:41Z

← Staršia verzia		Verzia z 11:18, 26. október 2011
Riadok 2:		Riadok 2:
	/* ******************************************************** */		/* ******************************************************** */
	/* Example 10.1. Timer counter 1 as a PWM generator */		/* Example 10.1. Timer counter 1 as a PWM generator */
	/* Modulates ~~MiniMEXLE yellow~~ LED, SW1 and SW2 changes duty */		/* Modulates LED connected on PB5, SW1 and SW2 changes duty */
	/* SW3 and 4 control the red LED */		/* SW3 and 4 control the red LED */
	/* Warning: The values are NOT CORRECT, they should be re- */		/* Warning: The values are NOT CORRECT, they should be re- */

Balogh: Nová stránka: /* ******************************************************** / / Example 10.1. Timer counter 1 as a PWM generator / / Modulates MiniMEXLE yellow LED, SW1...

2008-11-26T14:32:36Z

Nová stránka: <source lang="c"> ********************************************************: Example 10.1. Timer counter 1 as a PWM generator: /* Modulates MiniMEXLE yellow LED, SW1...

Nová stránka

<source lang="c">
/* ******************************************************** */
/* Example 10.1. Timer counter 1 as a PWM generator */
/* Modulates MiniMEXLE yellow LED, SW1 and SW2 changes duty */
/* SW3 and 4 control the red LED */
/* Warning: The values are NOT CORRECT, they should be re- */
/* placed by students themselves!!! */
/* ******************************************************** */

#include <avr\io.h>

#define SW1 0
#define SW2 1
#define SW3 2
#define SW4 3

#define RedLED 5

int main(void) {

/* *********************** Init device MiniMEXLE ******************************** */

DDRB = 0b00000000; // PORTB: PWM - PB1, PB2 (LED) is output, PB6, 7 IN!!!
PORTB = 0b00000000; // LED Active low, LED off, No pull-ups

DDRC = 0b00000000; // PORTC LED on PC5 is output, SW1-4 are inputs
PORTC = 0b0000000; // LED Active high, LED off, pull-ups ON

/* *********************** Init T1 as a PWM generator *************************** */

TCCR1A = 0b00000000; // Mode: PWM, Phase Correct, 9-bit
TCCR1B = 0b00000000; // Prescaler 1:1024
OCR1A = 000; // Initialization values
OCR1B = 000; // for 1:1 duty cycle
TCNT1 = 0;

for (;;) {
if( bit_is_clear(PINC, SW1)) { // Switch 1
OCR1A += 32; // Increment OCR
OCR1B += 32;
loop_until_bit_is_set(PINC, SW1);
}

if(bit_is_clear(PINC, SW2)){ // Switch 2
OCR1A -= 32; // Decrement OCR
OCR1B -= 32;
loop_until_bit_is_set(PINC, SW2);
}

if(bit_is_clear(PINC, SW3)){ // Switch 3
PORTC |= (1<<RedLED); // Red LED ON
loop_until_bit_is_set(PINC, SW3);
}

if(bit_is_clear(PINC, SW4)) { // Switch 4
PORTC &= ~(1<<RedLED); // Red LED OFF
loop_until_bit_is_set(PINC, SW4);
}
}

}
</source>

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AVR ExamplePWMgenerator.c - História úprav

StudentDVPS na 08:21, 9. november 2012

Balogh na 07:37, 3. november 2011

Balogh na 07:37, 3. november 2011

Balogh na 11:18, 26. október 2011

Balogh: Nová stránka: /* ******************************************************** */ /* Example 10.1. Timer counter 1 as a PWM generator */ /* Modulates MiniMEXLE yellow LED, SW1...

Balogh: Nová stránka: /* ******************************************************** / / Example 10.1. Timer counter 1 as a PWM generator / / Modulates MiniMEXLE yellow LED, SW1...