AVR Example3.c: Rozdiel medzi revíziami
Zo stránky SensorWiki
Bez shrnutí editace |
Bez shrnutí editace |
||
| (Jedna medziľahlá úprava od rovnakého používateľa nie je zobrazená.) | |||
| Riadok 61: | Riadok 61: | ||
} | } | ||
} | } | ||
</source> | |||
[[Súbor:logo_Ardiuino.png]] Upravená verzia pre prostredie Arduino | |||
<source lang="C"> | |||
/* ************************************************************************** */ | |||
/* */ | |||
/* Monoliticke mikropocitace - Priklad 1.3A */ | |||
/* */ | |||
/* Program zasvieti/zhasne zltu LED na PORTB.5 s periodou ?? [s] */ | |||
/* */ | |||
/* Autor: Richard Balogh <balogh@elf.stuba.sk> */ | |||
/* Historia: */ | |||
/* 3. 3. 2006 prva pokusna verzia */ | |||
/* 12.10. 2012 upravene pre Acrob / Arduino (portD / portB) */ | |||
/* 14.10. 2013 upravene pre Arduino IDE jazyk */ | |||
/* Verzia: */ | |||
/* Pre studentov, chybajuce hodnoty */ | |||
/* Prenositelnost: */ | |||
/* */ | |||
/* ************************************************************************** */ | |||
#define LEDon PORTB &= ~(_BV(5)) // cbi(PORTB,PB5); ale cbi je nepodporovane | |||
#define LEDoff (PORTB |= _BV(5)) // sbi(PORTB,PB5); ale sbi je nepodporovane | |||
#define F_CPU 16000000 | |||
void delay_ms(unsigned int ms); | |||
void setup() { | |||
DDRB = 0b????????; // bin: ???? ???? 1 = out, 0 = in | |||
PORTB = 0b????????; // bin: ???? ???? 1 = LED zhasni, 1 = pull-up ON | |||
} | |||
void loop() { | |||
LEDoff; // bin PORTB + 0010 0000 = nastav PB5, LED OFF | |||
delay_ms(500); // cakaj 500 ms (0,5 s) | |||
LEDon; // bin: PORTD & 1101 1111 = vynuluj PB5, LED ON | |||
delay_ms(500); // cakaj 500 ms (0,5 s) | |||
} | |||
void delay_ms(unsigned int ms) | |||
{ | |||
unsigned int index; | |||
while (ms) | |||
{ | |||
index = F_CPU / ????; // vypocitajte, kolko treba, aby sme dostali 1ms!! | |||
while (index) | |||
{ | |||
asm volatile ("nop"); | |||
index--; | |||
} | |||
ms--; | |||
} | |||
} | |||
</source> | </source> | ||
[[Category:AVR]][[Category:MMP]][[Category:CAD_RS]] | [[Category:AVR]][[Category:MMP]][[Category:CAD_RS]] | ||
Aktuálna revízia z 20:24, 14. október 2013
/* ************************************************************************** */
/* */
/* Monoliticke mikropocitace - Priklad 1.3 */
/* */
/* Program zasvieti/zhasne zltu LED na PORTB.5 s periodou ?? [s] */
/* */
/* Autor: Richard Balogh <balogh@elf.stuba.sk> */
/* Historia: */
/* 3. 3. 2006 prva pokusna verzia */
/* 12.10. 2012 upravene pre Acrob / Arduino (portD / portB) */
/* Verzia: */
/* Pre studentov, chybajuce hodnoty */
/* Prenositelnost: */
/* */
/* ************************************************************************** */
#include <avr/io.h>
#define LEDon PORTB &= ~(_BV(5)) // cbi(PORTB,PB5); ale cbi je nepodporovane
#define LEDoff (PORTB |= _BV(5)) // sbi(PORTB,PB5); ale sbi je nepodporovane
#define F_CPU 16000000
void delay_ms(unsigned int ms);
int main (void)
{
DDRB = 0x??; // bin: ???? ???? 1 = out, 0 = in
PORTB = 0x??; // bin: ???? ???? 1 = LED zhasni, 1 = pull-up ON
do{
LEDoff; // bin PORTB + 0010 0000 = nastav PB5, LED OFF
delay_ms(500); // cakaj 500 ms (0,5 s)
LEDon; // bin: PORTD & 1101 1111 = vynuluj PB5, LED ON
delay_ms(500); // cakaj 500 ms (0,5 s)
} while(1); // toto rob stale dokola
return (0); // formalita, nikdy sem neprideme
}
void delay_ms(unsigned int ms)
{
unsigned int index;
while (ms)
{
index = F_CPU / ????; // vypocitajte, kolko treba, aby sme dostali 1ms!!
while (index)
{
asm volatile ("nop");
index--;
}
ms--;
}
}
Upravená verzia pre prostredie Arduino
/* ************************************************************************** */
/* */
/* Monoliticke mikropocitace - Priklad 1.3A */
/* */
/* Program zasvieti/zhasne zltu LED na PORTB.5 s periodou ?? [s] */
/* */
/* Autor: Richard Balogh <balogh@elf.stuba.sk> */
/* Historia: */
/* 3. 3. 2006 prva pokusna verzia */
/* 12.10. 2012 upravene pre Acrob / Arduino (portD / portB) */
/* 14.10. 2013 upravene pre Arduino IDE jazyk */
/* Verzia: */
/* Pre studentov, chybajuce hodnoty */
/* Prenositelnost: */
/* */
/* ************************************************************************** */
#define LEDon PORTB &= ~(_BV(5)) // cbi(PORTB,PB5); ale cbi je nepodporovane
#define LEDoff (PORTB |= _BV(5)) // sbi(PORTB,PB5); ale sbi je nepodporovane
#define F_CPU 16000000
void delay_ms(unsigned int ms);
void setup() {
DDRB = 0b????????; // bin: ???? ???? 1 = out, 0 = in
PORTB = 0b????????; // bin: ???? ???? 1 = LED zhasni, 1 = pull-up ON
}
void loop() {
LEDoff; // bin PORTB + 0010 0000 = nastav PB5, LED OFF
delay_ms(500); // cakaj 500 ms (0,5 s)
LEDon; // bin: PORTD & 1101 1111 = vynuluj PB5, LED ON
delay_ms(500); // cakaj 500 ms (0,5 s)
}
void delay_ms(unsigned int ms)
{
unsigned int index;
while (ms)
{
index = F_CPU / ????; // vypocitajte, kolko treba, aby sme dostali 1ms!!
while (index)
{
asm volatile ("nop");
index--;
}
ms--;
}
}