neingeist/arduinisten
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This commit is contained in:
Eve Entropia 2010-03-31 01:07:41 +02:00
parent cc49225717
commit 3f524bc360
6 changed files with 0 additions and 0 deletions
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65
projekte/lc-display/sketch_nov03a/sketch_nov03a.pde Normal file
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#include <avr/interrupt.h>
#include <avr/io.h>
int pinA = 11;
int pinB = 12;
int ledPin = 13;
void setup() {
//Timer2 Settings
TCCR2A = 0;
TCCR2B = 0<<CS22 | 1<<CS21 | 0<<CS20;
//Timer2 Overflow Interrupt Enable
TIMSK2 = 1<<TOIE2;
// pullups
digitalWrite(pinA, HIGH);
digitalWrite(pinB, HIGH);
Serial.begin(9600);
}
volatile int8_t enc_delta; // -128 ... 127
static int8_t last;
ISR(TIMER2_OVF_vect) {
int8_t neu, diff;
// convert gray to binary
neu = 0;
if(digitalRead(pinA))
neu = 3;
if(digitalRead(pinB))
neu ^= 1;
diff = last - neu; // difference last - new
if( diff & 1 ) { // bit 0 = value (1)
last = neu; // store new as next last
enc_delta += (diff & 2) - 1; // bit 1 = direction (+/-)
}
}
int8_t val_alt;
void loop() {
int8_t val;
digitalWrite(13,HIGH);
cli();
val = enc_delta;
// enc_delta = val & 1;
sei();
if (val != val_alt) {
Serial.println(val>>1);
}
val_alt = val;
delay(100);
digitalWrite(13,LOW);
delay(100);
}

47
projekte/lc-display/sketch_oct13b/sketch_oct13b.pde Normal file
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int pinA = 11;
int pinB = 12;
int pinLED = 13;
void setup() {
Serial.begin(9600);
pinMode(pinA, INPUT);
digitalWrite(pinA, HIGH);
pinMode(pinB, INPUT);
digitalWrite(pinB, HIGH);
pinMode(pinLED, OUTPUT);
}
int a_old, b_old, dreh;
void loop() {
// shall we blink
// if (millis() - prevMillis > 100) {
// prevMillis = millis();
//
// if (pinLEDstate == LOW)
// pinLEDstate = HIGH;
// else
// pinLEDstate = LOW;
// digitalWrite(pinLED, pinLEDstate);
//
int a = digitalRead(pinA);
int b = digitalRead(pinB);
if (a != a_old || b != b_old) {
Serial.print(digitalRead(pinA));
Serial.print(" ");
Serial.print(digitalRead(pinB));
Serial.println();
dreh++;
// Serial.println("C:> _");
}
digitalWrite(pinLED, a);
a_old = a;
b_old = b;
}

38
projekte/lc-display/sketch_oct20a/sketch_oct20a.pde Normal file
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#include <LCD4Bit.h>
LCD4Bit lcd = LCD4Bit(2);
void setup() {
lcd.init();
lcd.clear();
lcd.printIn("World Arduinination in progress...");
}
int i = 0,j = 0, dir = 1;
char bfr[4];
void loop() {
digitalWrite(13, HIGH);
lcd.cursorTo(2, 0);
itoa(i, bfr, 10);
lcd.printIn(bfr);
lcd.printIn("%");
lcd.cursorTo(2, 4);
for(j=0; j < (i / 3); j++)
lcd.print(255);
for(j=i/3; j < 100/3; j++)
lcd.printIn(" ");
if(i >= 98)
dir = -1;
if(dir == -1 && i <= 80)
dir = 1;
i += dir;
digitalWrite(13,LOW);
delay(100);
}

43
projekte/lc-display/sketch_oct27a/sketch_oct27a.pde Normal file
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#include <LCD4Bit.h>
LCD4Bit lcd = LCD4Bit(2);
void setup() {
lcd.init();
lcd.clear();
// create char
lcd.commandWrite(0x40);
lcd.print(0b10001);
lcd.print(0b01010);
lcd.print(0b10101);
lcd.print(0b11111);
lcd.print(0b01110);
lcd.print(0b10001);
lcd.print(0b10001);
lcd.print(0b01010);
// back to normal
lcd.cursorTo(1,0);
for(uint8_t i = 0; i < 80; i++) {
lcd.print(0x00+(i&0x7));
}
}
void loop() {
digitalWrite(13, HIGH);
lcd.commandWrite(0x40+8*random(8));
uint8_t fnord = random(8);
for (uint8_t i = 0; i<8; i++) {
if(i == fnord) {
lcd.print(0b11111);
} else {
lcd.print(0b00000);
}
}
digitalWrite(13,LOW);
delay(10);
}

49
projekte/lc-display/sketch_sep29a/sketch_sep29a.pde Normal file
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int pinA = 7;
int pinB = 8;
int pinLED = 13;
int pinLEDstate = LOW;
long prevMillis = 0;
void setup() {
Serial.begin(9600);
pinMode(pinA, INPUT);
digitalWrite(pinA, HIGH);
pinMode(pinB, INPUT);
digitalWrite(pinB, HIGH);
pinMode(pinLED, OUTPUT);
}
int a_old, b_old, dreh;
void loop() {
// shall we blink
// if (millis() - prevMillis > 100) {
// prevMillis = millis();
//
// if (pinLEDstate == LOW)
// pinLEDstate = HIGH;
// else
// pinLEDstate = LOW;
// digitalWrite(pinLED, pinLEDstate);
//
int a = digitalRead(pinA);
int b = digitalRead(pinB);
if (a != a_old || b != b_old) {
Serial.print(digitalRead(pinA));
Serial.print(" ");
Serial.print(digitalRead(pinB));
Serial.println();
dreh++;
// Serial.println("C:> _");
} else {
if (dreh%2 == 0) {
Serial.println();
}
}
digitalWrite(pinLED, a);
a_old = a; b_old = b;
}