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Семисегментный индикатор. Теория управления

22 ответа [Последнее сообщение]
Чт, 30/01/2014 - 18:52
leejack
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Зарегистрирован: 30.01.2014

Добрый день форумчане. Столкнулся с проблемой. Как можно выводить цифры на индикатор используя ардуинку?

Самое простое это зажигать в нужный момент диод. Это понятно. Интересует вопросы, такие как например люди используют для зажигания какой-либо цифры с помощью шестадцетиричного числа или двоичного?

Например вот

  0x3f, //0
  0x06, //1
  0x5b, //2
  0x4f, //3  
  0x66, //4
  0x6d, //5
  0x7d, //6
  0x07, //7  
  0x7f, //8
  0x6f  //9

Не могу разобраться. Каким образом ардуина поймет это? Объясните пожалуйста.

Верх
Чт, 30/01/2014 - 19:59
#1
Michal
Michal аватар
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Зарегистрирован: 26.04.2013

7-сегментный индикатор. Поиск в гугле выдает кучу уроков, схем и т.п.

Верх
Чт, 30/01/2014 - 20:06
#2
step962
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Зарегистрирован: 23.05.2011

Исследование индикаторов, лабораторный практикум

Обозначение сегментов семисегментного индикатора:

цифра "1", например - это зажженные сегменты B и C, то есть второй (первый при отсчете от нуля) и третий (второй при отсчете от нуля). Такую комбинацию можно представить числом 6 (в двоичном представлении - B00000110, в шестнадцатиричном - 0x06). По такому же алгоритму попробуйте "отобразить" любую из приведенных вами комбинаций. Возможно, наступит прозрение...

Верх
Чт, 30/01/2014 - 20:35
#3
leejack
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Зарегистрирован: 30.01.2014

Спасибо все, сейчас попробую!)

Верх
Вс, 02/02/2014 - 20:49
#4
sav13
sav13 аватар
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Зарегистрирован: 17.06.2013

Есть такая библиотека Arduino-SevenSegmentDisplay

С ней удобнее работать с индикаторами.

А еще лучше, брать индикаторы с MAX2119 и LedControl библиотеку. Там любое количество индикаторов по трем проводам подключается

Верх
Сб, 15/02/2014 - 12:08
#5
leejack
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Зарегистрирован: 30.01.2014

хмм.. Тогда следующий вопрос, куда надо будет подавать бинарник чтобы он зажег определенные сегменты?

Если у нас есть 7 портов, то я так понял на них надо подать бинарник как-то? или я чего-то не понимаю?

Верх
Сб, 15/02/2014 - 12:57
#6
leejack
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Зарегистрирован: 30.01.2014

Оказывается, посмотрел я на циколевку атмеги. Увидел что все порты делятся на категории, PORTA, PORTB и PORTC

Ну я подключил 8 ножек индикатора к PORTD - это 0-7 ноги arduino UNO

Сказал чтобы эти порты, 0-7, были выводами и просто потом на PORTD отправлял бинарник или HEX

PORTB=0x3F - это ноль на индикаторе.

Вопрос такой, а почему нельзя в процедуре setup указать pinMode(PORTD,OUTPUT); ? Может кто сказать?

Верх
Вс, 19/10/2014 - 01:54
#7
itjunky
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Зарегистрирован: 15.09.2014

Ухты, и правда есть что-то вроде короткой записи в пины бинарным образом

http://www.arduino.cc/en/Reference/PortManipulation

Верх
Вс, 19/10/2014 - 02:20
#8
jeka_tm
jeka_tm аватар
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Зарегистрирован: 19.05.2013

x= коду цифры

цикл 0-7

вывод на пин (i, x& 0x01)

x>>=1

 

Верх
Вс, 19/10/2014 - 11:08
#9
art100
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Зарегистрирован: 09.03.2014

leejack пишет:

Оказывается, я посмотрел на циколевку атмеги. Увидел что все порты делятся на категории, PORTA, PORTB и PORTC

Ну я подключил 8 ножек индикатора к PORTD - это 0-7 ноги arduino UNO

Сказал чтобы эти порты, 0-7, были выводами и просто потом на PORTD отправлял бинарник или HEX

PORTB=0x3F - это ноль на индикаторе.

Вопрос такой, а почему нельзя в процедуре setup указать pinMode(PORTD,OUTPUT); ? Может кто сказать?

забудьте эти ассемблерные стилевые приемчики PORTC в борьбе за скорость лишнее это

пишите в С стиле потому как быстрее результат

например эфективен такой стиль С с подпрограммками с удобненькой функцией миллис

это дооооолгий таймер и трясущиеся семисегментники без упрощающего код драйверочка max7219

совмещено казалось бы такое разноскоростное автор так выделиывался с циферками

тут не самый быстрый стиль подумал написал спаял продал

но он вам покажет как писать со всякими извращениями фантазиями

не помню где-то пример этот лежит постоянно

это у меня с диска

// ========[ Контакты]===========
const int a = 5;
const int b = 7;
const int c = 2;
const int d = 4;
const int e = 3;
const int f = 0;
const int g = 6;
const int h = 1;

const int led1 = 9;
const int led2 = 10;
const int led3 = 8;

const int ON = высокая; 
const int OFF = LOW;

const int regulatorPin = A0;
const int focusPin = A1;
const int cameraPin = A2;

const int showLedDelay = 7;
const int LedsDelay = 10000;
// ===========================

const int символов[12][8] = {
// f h c e d a g b 
{ON, OFF, ON, ON, ON, ON, OFF, ON}, // 0
{OFF, OFF, ON, OFF, OFF, OFF, OFF, ON}, // 1
{OFF, OFF, OFF, ON, ON, ON, ON, ON}, // 2
{OFF, OFF, ON, OFF, ON, ON, ON, ON}, // 3
{ON, OFF, ON, OFF, OFF, OFF, ON, ON}, // 4
{ON, OFF, ON, OFF, ON, ON, ON, OFF}, // 5
{ON, OFF, ON, ON, ON, ON, ON, OFF}, // 6
{OFF, OFF, ON, OFF, OFF, ON, OFF, ON}, // 7
{ON, OFF, ON, ON, ON, ON, ON, ON}, // 8
{ON, OFF, ON, OFF, ON, ON, ON, ON}, // 9
{ON, OFF, OFF, OFF, OFF, OFF, OFF, ON}, // с
{ON, OFF, OFF, OFF, OFF, OFF, OFF, OFF} // m
};

const int timerValues[32] = {
1, 2, 3, 4, 5, 10, /*15,*/ 20, 
30, 60, /*120, 180, 240, */ 300, /* 360, 420, 
480, 540, */ 600, /* 660, 720, 780, 840,*/ 900, 
/*960, 1020, 1080, 1140,*/ 1200, 1800, 2400, 3600
};

const char* timerStrings[] = {
"01с","02с","03s","04s","05s","10С",/*"15s",*/"20s",
"30-х годов","01м",/*"02m","03м","04м",*/"05м",/*"06м","07м",
"08м","09м",*/"10m",/*"11м","12","13","14м",*/"15м",
/*"16m","17м","18м","19м",*/"20m","30m","40м","60m"
};

const int светодиодов[3] = {led1, led2, led3};

int sensorValue = 0; // переменная для хранения значения, поступающие от датчика
int index = 0; // индекс массив
unsigned long lastTime; // время последнего itteration
unsigned long lastLED; 
int first = 0;

void setup() {
//Serial.begin(9600); 

initLeds();

pinMode(focusPin, OUTPUT);
pinMode(cameraPin, OUTPUT); 
}

void loop() {
// читаем значение с датчика:
sensorValue = (int) analogRead(regulatorPin)*16/990; 
if (index != sensorValue) {
индекс = sensorValue;
lastTime = millis();
lastLED = millis();
first = 0;
//Serial.print(sensorValue);
//Serial.print(" - ");
//Serial.println(analogRead(regulatorPin));
}

if ((millis()-lastLED) <= LedsDelay) {
updateLeds();
} else {
clearLeds();
}

если (((millis()-lastTime) >= timerValues[index]*1000) || 
((first == 0) && ((millis()-lastTime) >= 1000))) {
//Serial.print("[");
//Serial.print(первый);
//Serial.print("]");
//Serial.print(millis());
//Serial.print(" - ");
//Serial.print(millis()-lastTime);
//Serial.print(" = ");
//Serial.println(timerValues[index]*1000);
first++;

takePicture();
lastTime = millis();
} 
}

void takePicture() {
// digitalWrite(focusPin, высокий);
digitalWrite(cameraPin, высокий);
delay(60);
// digitalWrite(focusPin, низкий); 
digitalWrite(cameraPin, низкий); 

}

void initLeds() {
pinMode(a, OUTPUT);
pinMode(b, OUTPUT);
pinMode(c, OUTPUT); 
pinMode(d, OUTPUT);
pinMode(e, OUTPUT);
pinMode(f, выходной);
pinMode(g, выход);
pinMode(h, OUTPUT);

pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(сд3, OUTPUT); 
digitalWrite(led1, низкий);
digitalWrite(led2, низкий); 
digitalWrite(сд3, низкий); 
}

void updateLeds() {
for (int i=0; i<3; i++) {
showLed(я);
}
}

void showLed(int j) {
clearLeds(); 
int pos = returnSymbol(timerStrings[index][j]);
for(int i=0; i<8; i++) { 
if ((j == 2) && (i == 1) && ((millis()-lastTime) >= 1000)) {
digitalWrite(i, О);
} else {
digitalWrite(i, символы[pos][i]);
}
}
setLed(j);
delay(showLedDelay);
}

int returnSymbol (char Symbol) {
if (Symbol == 's') {
return 10;
} else if (символ == 'm') {
возвращение 11;
} else {
return ((int)Symbol)-48;
}
}

void setLed(int i) {
for (int j=0; j<3; j++) {
if (j==i) {
digitalWrite(LED[j], HIGH);
} else {
digitalWrite(LED[j], LOW);
}
}
}

void clearLeds() {
digitalWrite(LED[0], LOW);
digitalWrite(светодиодов[1], LOW); 
digitalWrite(светодиодов[2], LOW); 
}

полная схема

 

потому что это функция PORTB прямо из ассемблера поетому сразу шестнадцатиричное десятичное слово ждет

//Arduino Function Generator
//by Amanda Ghassaei
//http://www.instructables.com/id/Arduino-Waveform-Generator/
//April 2012

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
*/

//in most of this code I have used the arduino portpin assignments to send data to pins, you can read more about how that works here: http://www.arduino.cc/en/Reference/PortManipulation

/*********************************************************
some notes about pin setup:
4 momentary switches control waveshape (analog in 0-3)
   -sine connects to A0
   -triangle A1
   -saw A2
   -pulse A3
freq control pot (log taper) is connected to analog in 4
pulse width modulation pot (linear taper) connected to anolog in 5
PORT D (digital pins 0-7) are 8 bit function out

*********************************************************/


byte sine20000[] PROGMEM = {127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 129, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 130, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 131, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 134, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 137, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 141, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 142, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 143, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 144, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 145, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 146, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 147, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 149, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 151, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 152, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 153, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 154, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 155, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 156, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 157, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 158, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 159, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 160, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 161, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 162, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 163, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 164, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 165, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 166, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 167, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 168, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 169, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 170, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 171, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 172, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 173, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 174, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 175, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 178, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 179, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 180, 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95, 95, 95, 95, 95, 95, 95, 95, 95, 95, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 97, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 98, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 101, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 102, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 104, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 105, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 106, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 107, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 110, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 111, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 112, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 113, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 114, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 115, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 116, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 117, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 118, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 119, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 120, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 122, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126,};

//wavetype storage:
//0 is pulse
//1 is triangle
//2 is saw
//3 is sine
byte type = 0;//initialize as square
byte typecurrent = 8;
byte typelast;
byte typecounter[4];
byte i;

//variables for PW pot monitoring
float pulseWidth;
int pulseWidthScaled;
int PWCurrent;
byte PWTolerance = 8;//adjust this to increase/decrease stability of PW measurement

//variables for freq pot monitoring
int frequency;
int freqCurrent;
byte freqTolerance = 2;//adjust this to increase/decrease stability of frequency measurement
unsigned int freqscaled;

byte wave;
long t;
long samplerate;
long period;

//storage variables- I used these to cut down on the math being performed during the interrupt
int sawByte = 0;
byte sawInc;
int triByte = 0;
byte triInc;
int sinNum = 0;
int sinInc;

void setup() {
  
  //set port/pin  mode
  DDRD = 0xFF;//all outputs
  DDRC = 0x00;//all inputs
  DDRB = 0xFF;//all outputs
  //TIMER INTERRUPT SETUP
  
  cli();//disable interrupts
  //timer 1:
  TCCR1A = 0;// set entire TCCR1A register to 0
  TCCR1B = 0;// same for TCCR1B
  //set compare match register- 100khz to start
  OCR1A = 159; // = (16 000 000 / 100 000) - 1 = 159
  //turn on CTC mode
  TCCR1B |= (1 << WGM12);
  // Set CS10 bit for 0 prescaler
  TCCR1B |= (1 << CS10);
  // enable timer compare interrupt
  TIMSK1 |= (1 << OCIE1A); 
  
  samplerate = 100000;
  
  PORTB = 0;
  PORTB = 1<<type;
  
  //initialize variables
  frequency = analogRead(A5);//initialize frequency
  freqscaled = 48*frequency+1;//from 1 to ~50,000\
  period = samplerate/freqscaled;
   
  pulseWidth = analogRead(A4);//initalize pulse width
  pulseWidthScaled = int(pulseWidth/1023*period);
  
  triInc = 511/period;
  sawInc = 255/period;
  sinInc = 20000/period;
  
  sei();//enable interrupts
}

void checkFreq() {
  freqCurrent = analogRead(A5);
  if (abs(freqCurrent-frequency)>freqTolerance){//if reading from pot exceeds tolerance
    frequency = freqCurrent;//new frequency- number between 0 and 1024
    freqscaled = 48*frequency+1;//from 1 to ~50,000
    period = samplerate/freqscaled;
    pulseWidthScaled = int(pulseWidth/1023*period);
    triInc = 511/period;
    if (triInc==0){
      triInc = 1;
    }
    sawInc = 255/period;
    if (sawInc==0){
      sawInc = 1;
    }
    sinInc=20000/period;
  }
}

void checkPW() {
  PWCurrent = analogRead(A4);
  if (abs(PWCurrent-pulseWidth)>PWTolerance){//if reading from pot exceeds tolerance
    pulseWidth = PWCurrent;//new pulse width, val between 0 and 1023
    pulseWidthScaled = int(pulseWidth/1023*period);
  }
}


void checkShape() {//debounce and check states of buttons
//  4 momentary switches control waveshape
//   -pulse connects to A0
//   -triangle A1
//   -saw A2
//   -sine A3
  typelast = typecurrent;
if (digitalRead(A0)==LOW){
  typecurrent  = 1;
}
else if (digitalRead(A1)==LOW){
  typecurrent = 2;
}
else if (digitalRead(A2)==LOW){
  typecurrent = 4;
}
else if (digitalRead(A3)==LOW){
  typecurrent = 8;
}

  for (i=0; i<4; i++){
    if (i==type){
    }
    else{
      if ((typecurrent & (1 << i)) ^ (typelast & (1 << i))){//current diff than prev and debounce
        if ((typecurrent & (1 << i))){//currently depressed
            type = i;//set wave type
        }
        else {
          typecounter[i] = 12;//else set debounce counter to 12
        }
      }
      else if (((typecurrent & (1 << i)) == (typelast & (1 << i )))) {//if current same as prev and diff than debounce
        if (typecounter[i] > 0 && --typecounter[i] == 0) {//decrease debounce counter and check to see if = 0
          if ((typecurrent & (1 << i))){//if debounce counter = 0 toggle debounced state
            type = i;
          }
        }
      }
    }
  }
}
    
 

ISR(TIMER1_COMPA_vect){//timer 1 interrupt
  //increment t and reset each time it reaches period
  t += 1;
  if (t >= period){
    t = 0;
  }
  switch (type) {
    case 0://pulse
    if (pulseWidthScaled <= t) {
      wave = 255;
    }
    else{
      wave = 0;
    }
    break;
    case 1://triangle
    if((period-t) > t) {
      if (t == 0){
        triByte = 0;
      }
      else{
        triByte += triInc;
      }
    }
    else{
      triByte -= triInc;
    }
    if (triByte>255){
      triByte = 255;
    }
    else if (triByte<0){
      triByte = 0;
    }
    wave = triByte;
    break;
    case 2://saw
    if (t=0){
      sawByte=0;
    }
    else{
      sawByte+=sawInc;
    }
    wave = sawByte;
    break;
    case 3://sine
    sinNum = t*sinInc;
    wave = pgm_read_byte_near(sine20000 + sinNum);
    break;
  }

  PORTD = wave;
}

void loop() {
  checkFreq();
  checkShape();
  checkPW();
  PORTB = 1<<type;
}

а теперь сравните с таким стилем

это конечно не очень точное сравнеие по железу

но размер кода соотвествует

//art100 to write 20141006 фотосенсор ФД-263 потенциомерт 10к
#include <LiquidCrystal.h>
//pins---------------------------------
#define FOTODIOD A0//фд263 220ком 5в обреатно смещен
LiquidCrystal lcd(8,9,10,11,12,13);//uno
//consts-----------------------
int fotovar1=0;//
//------------------------------------------------
void setup(){
  lcd.begin(16, 2);// columns , rows 
  lcd.clear();
  Serial.begin(9600);
  lcd.setCursor(0,0);lcd.print("art100");// fotosensor");//Power var");//"
  lcd.setCursor(0,1);lcd.print("fotosensor:");//
}
//=================================================
void loop(){
  fotovar1=analogRead(FOTODIOD);
  lcd.setCursor(12,1); lcd.print(fotovar1);
  Serial.println(fotovar1);
  delay(500);
  lcd.setCursor(12,1); lcd.print("    ");
}  
//=================================================

а теперь Какой код продуктивнее?

Вот вам и теория управления отображением.

Дибилы и грамотные.

 

Любое програмное обеспечение компенсирует аппаратное несовершенсто.

Мой закон. И что-то никто не смог мне оппонировать.

Прислушайтесь к словам sav13

И опыт сын ошибок трудных

Семисегментный индикатор. Теория управления "используйте c max7219"

http://ru.aliexpress.com/item/FreeShipping-5PCS-LOT-MAX7219-Led-Module-8-Digit-7-Segment-Digital-LED-Display-Tube-For-Arduino/1995254787.html

порадуйте нас чем нибудь радостным

Что-то много бУкАв написал. Сам повторно не осилю.

 

Верх
Вс, 19/10/2014 - 15:16
#10
Radjah
Offline
Зарегистрирован: 06.08.2014

А вот этой штуке с MAX7219 не надо всё время долбанить, чтобы оно обновляло индикатор как той хрени с двумя сдвиговыми регистрами?

Я вот такую хрен заказывал. Там для отображения надо всё время срать последовательностью "позиция - значение", чтобы они как бы все светились.

Верх
Ср, 22/10/2014 - 17:05
#11
itjunky
Offline
Зарегистрирован: 15.09.2014

А у меня какой-то странный семисегментник 4-х циферный... Что бы зажечь на нём сегмент цифры, на ногу с ним нужно посылать 0, а не 1!!! Из -за этого не верно себя ведёт и драйвер для семисегментника... То есть те сегменты которые должны гореть, потушены, а те которые не должны, наоборот горят. То есть на 1 дожны гореть А и B, а горят C,D,E,F,G =( Не понимаю как с этим справиться.

Верх
Ср, 22/10/2014 - 17:13
#12
jeka_tm
jeka_tm аватар
Offline
Зарегистрирован: 19.05.2013

и что вообще нет мыслей почему так может быть?

Верх
Ср, 22/10/2014 - 17:36
#13
itjunky
Offline
Зарегистрирован: 15.09.2014

Это вопрос с подвохом? Вероятно так спаян модуль, что у него инверсное обращение к сегментам.

Верх
Ср, 22/10/2014 - 17:43
#14
jeka_tm
jeka_tm аватар
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Зарегистрирован: 19.05.2013

так даже веселее. выясняется что уже не семисегементный индикатор а модуль с драйвером

Верх
Ср, 22/10/2014 - 18:58
#15
itjunky
Offline
Зарегистрирован: 15.09.2014

Опишу ещё раз.

Есть семисегментный индикатор на 4-ре цифры в едином корпусе. У него есть ноги под 7 сегментов и восьмую точку, а так же ещё 4-ре ноги для включения конкретного индикатора.

Во всех скетчах, да и судя по драйверу, чтобы отобразить цифру 1, нужно зажечь два сегмента A,B в 1(подать напряжение на соответствующие пины).

В моём же случае, чтобы получить цифру 1 необходимо зажечь все остальные пины кроме этих двух. Ну и поскольку я хотел использовать драйвер для этого семисегментника и в нём уже забиты эти комбинации ног, возникает вопрос, как поступить в такой ситуации, возможно ли инверсию подавать на семисегментник или как-то переключить его в другой режим работы? Или может быть можно перепрограммировать драйвер(хотя тут у меня наибольшие сомнения, ведь он сделан хардово, а не софтово.) Без драйвера, в теории я то же могу заставить дисплей работать как надо, но тогда на ардуинке практически не стаётся свободных пинов.

Верх
Ср, 22/10/2014 - 19:00
#16
jeka_tm
jeka_tm аватар
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какой драйвер

Верх
Ср, 22/10/2014 - 22:14
#17
art100
Offline
Зарегистрирован: 09.03.2014

Это когда приходим в ресторан. Официант дает меню с картинками, где остается только тыкнуть пальцем.

Мы кричим не надо нам картинки и названия. Мне надо вот то что ел на свадьбе моего шурина когда он во второй раз женился.

Официант вам помои еще не принес покушать?

Продолжаем. Ну я же обьясняю:

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<Страницы складная-pages="yes" ящик-с-стр="yes">
<Page page-color="40 40 40" стр-ящик="ArduBlock" стр-infullview="yes" стр-name="ArduBlock" page-width="1366">
<PageBlocks>
<Block род-name="delay" id="144">
<Location>
<X>79</X>
<Y>252</Y>
</Location>
<BeforeBlockId>139</BeforeBlockId>
<Сокеты num-sockets="1">
<BlockConnector con-block-id="145" разъем-kind="socket" разъем-Тип="число" init-type="number" label="мс" должность-type="single"/>
</Sockets>
</Block>
<Block род-имя="номер" id="145">
<Label>1000</Label>
<Location>
<X>217</X>
<Y>255</Y>
</Location>
<Plug>
<BlockConnector con-block-id="144" разъем-kind="разъем" разъем-Тип="число" init-type="number" label="" должность-type="зеркало"/>
</Штекер>
</Block>
<Block род-name="df_led" id="139">
<Location>
<X>79</X>
<Y>160</Y>
</Location>
<BeforeBlockId>142</BeforeBlockId>
<AfterBlockId>144</AfterBlockId>
<Сокеты num-sockets="2">
<BlockConnector con-block-id="140" разъем-kind="socket" разъем-Тип="число" init-type="number" label="pin#" должность-type="single"/>
<BlockConnector con-block-id="141" разъем-kind="socket" разъем-type="boolean" init-type="boolean" label="статус" должность-type="single"/>
</Sockets>
</Block>
<Block род-name="digital" id="141">
<Location>
<X>283</X>
<Y>187</Y>
</Location>
<Plug>
<BlockConnector con-block-id="139" разъем-kind="разъем" разъем-type="boolean" init-type="boolean" label="" должность-type="зеркало"/>
</Штекер>
</Block>
<Block род-имя="номер" id="140">
<Label>13</Label>
<Location>
<X>283</X>
<Y>163</Y>
</Location>
<Plug>
<BlockConnector con-block-id="139" разъем-kind="разъем" разъем-Тип="число" init-type="number" label="" должность-type="зеркало"/>
</Штекер>
</Block>
<Block род-name="delay" id="142">
<Location>
<X>79</X>
<Y>130</Y>
</Location>
<BeforeBlockId>136</BeforeBlockId>
<AfterBlockId>139</AfterBlockId>
<Сокеты num-sockets="1">
<BlockConnector con-block-id="143" разъем-kind="socket" разъем-Тип="число" init-type="number" label="мс" должность-type="single"/>
</Sockets>
</Block>
<Block род-имя="номер" id="143">
<Label>1000</Label>
<Location>
<X>217</X>
<Y>133</Y>
</Location>
 

 

 

 

Верх
Чт, 23/10/2014 - 09:30
#18
vvg10
vvg10 аватар
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itjunky пишет:

Что бы зажечь на нём сегмент цифры, на ногу с ним нужно посылать 0, а не 1!!!

Исходя из этого индикатор с общим анодом.

itjunky пишет:

То есть на 1 дожны гореть А и B, а горят C,D,E,F,G

А вот здесь что-то непонятно. Проверьте индикатор, подав на ногу сегментов 0, а на ногу знакоместа 1 через резистор.

Верх
Пт, 31/10/2014 - 15:12
#19
itjunky
Offline
Зарегистрирован: 15.09.2014

vvg10 пишет:

itjunky пишет:

Что бы зажечь на нём сегмент цифры, на ногу с ним нужно посылать 0, а не 1!!!

Исходя из этого индикатор с общим анодом.

itjunky пишет:

То есть на 1 дожны гореть А и B, а горят C,D,E,F,G

А вот здесь что-то непонятно. Проверьте индикатор, подав на ногу сегментов 0, а на ногу знакоместа 1 через резистор.

Да, 4-х сегментник, с ообщим анодом. И при подаче на один из 4-х контактов, отвечающих за сегмент, загораются диоды в соответсвующем сегменте. Но проблема в том, что:

itjunky пишет:

То есть на 1 дожны гореть А и B, а горят C,D,E,F,G

 

Следовательно, если я на 3 из 4-ёх знакомест подаю 0, а на последнее подаю 1, и при этом подаю 1 на А и B, то получется, что горят C,D,E,F,G, это похоже на букву Е, вместо 1. То есть всё наоборот. И что бы показать единичку необходимо зажечь(установить пины в HIGH) C,D,E,F,G, а А и B наоборот в LOW. Разумеется, драйвер семисегментника рассчитывает на другое поведение и не ясно как заставить это работать нормально.

В качестве контроллера arduino uno

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Пт, 31/10/2014 - 09:17
#20
vvg10
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То есть, я правильно понял, подаете 0 на знакоместо и 1 скажем на А, а горят все остальные? Подаете напрямую или через контроллер какой-то?

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Сб, 01/11/2014 - 22:21
#21
ALEXHEX
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Простой и красивый тутор по сегментам и ардуино
http://www.youtube.com/watch?v=6_AtFoeXDoo&list=TLm_wSuI1NQVk&index=9

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Сб, 01/11/2014 - 22:42
#22
itjunky
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ALEXHEX пишет:

Простой и красивый тутор по сегментам и ардуино
http://www.youtube.com/watch?v=6_AtFoeXDoo&list=TLm_wSuI1NQVk&index=9

Во, круто! Я какраз купил пару сдвиговых регистра для того чтобы подключить дисплей 16на2

Судя по этому видео, не важно 0 или 1 подавать.

спасибо!

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