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1. Blynk ¥¢¥×¥ê¤ÎÀßÄê
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GitHUB ¤«¤é blynk-library-master.zip ¤ò¥À¥¦¥ó¥í¡¼¥É¤·¡¢IDE ¤Î¡Ö.ZIP ·Á¼°¤Î¥é¥¤¥Ö¥é¥ê¤ò¥¤¥ó¥¹¥È¡¼¥ë¡×¤Ç¼è¤ê¹þ¤ß¤Þ¤¹¡£
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USB Àܳ¤Ç Arduino ¤òÀ©¸æ¤¹¤ë¤¿¤á¤Ë blynk-ser.sh ¤òµ¯Æ°¤µ¤»¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£blynk-ser.sh ¤Ï /Arduino/libraries/blynk-library-master/scripts ¤Ë¤¢¤ê¤Þ¤¹¡£
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$ chmod +x blynk-ser.sh
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$ ./blynk-ser.sh
This script uses socat utility, but could not find it.
Try installing it using: sudo apt-get install socat
socat ¤¬¤Ê¤¤¤¾¤È¼¸¤é¤ì¤Þ¤·¤¿¡£¥¤¥ó¥¹¥È¡¼¥ë¤·¤Þ¤·¤ç¤¦¡£
$ sudo apt update
$ sudo apt install socat
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$ ./blynk-ser.sh
Resetting device /dev/ttyUSB0...
[ Press Ctrl+C to exit ]
Connecting: FILE:/dev/ttyUSB0, ........:
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blynk-ser.sh ¤Ï Ctrl+C ¤ÇÃæÃǤǤ¤Þ¤¹¡£Arduino ¤Î¥¹¥±¥Ã¥Á¤ò½¤Àµ¤¹¤ë¾ì¹ç¤Ê¤É¤ÏÃæÃǤ·¤Æ¡¢USB ¤ò³«Êü¤¹¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£
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- 2019.10.09 Wednesday
- ÅŻҹ©ºî
- 17:32
- comments(0)
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- by meyon
¢£Arduino ¥¹¥±¥Ã¥ÁÎã / State Change Detection
Arduino ¥¹¥±¥Ã¥ÁÎã¡ÖState Change Detection¡×¤Ç¤¹¡£²¡¤·¥Ü¥¿¥ó¤ò²¡¤·¤¿²ó¿ô¤ò¸¡½Ð¤·¤Þ¤¹¡£
TUTORIALS > Built-In Examples > 02.Digital > StateChangeDetection
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- 2019.09.24 Tuesday
- ÅŻҹ©ºî
- 21:51
- comments(0)
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- by meyon
¢£Arduino ¥¹¥±¥Ã¥ÁÎã / Debounce
Arduino ¥¹¥±¥Ã¥ÁÎã¡ÖDebounce¡×¤ò»î¤·¤Æ¤ß¤Þ¤·¤ç¤¦¡£
TUTORIALS > Built-In Examples > 02.Digital > Debounce
Debounce
Pushbuttons often generate spurious open/close transitions when pressed, due to mechanical and physical issues: these transitions may be read as multiple presses in a very short time fooling the program. This example demonstrates how to debounce an input, which means checking twice in a short period of time to make sure the pushbutton is definitely pressed. Without debouncing, pressing the button once may cause unpredictable results. This sketch uses the
millis()
function to keep track of the time passed since the button was pressed.
2ÈÖ¥Ô¥ó¤ËÀܳ¤µ¤ì¤¿¥¹¥¤¥Ã¥Á¤ò²¡¤¹¤¿¤Ó¤Ë Æ⢠LED ¤¬ÅÀÅô¤È¾ÃÅô¤ËÀÚ¤êÂؤï¤ë¤È¤¤¤¦¤â¤Î¤Ç¤¹¤¬¡¢¤³¤Î¾ì¹ç¤ËÌäÂê¤È¤Ê¤ë¥¹¥¤¥Ã¥Á¤Î¥Á¥ã¥¿¥ê¥ó¥°¤òËɻߤ¹¤ë¤¿¤á¤Î¥¹¥±¥Ã¥ÁÎã¤Ç¤¹¡£
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- 2019.09.23 Monday
- ÅŻҹ©ºî
- 08:47
- comments(0)
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- by meyon
¢£Arduino ¥¹¥±¥Ã¥ÁÎã / Blink Without Delay
Arduino ¤Î¥¹¥±¥Ã¥ÁÎã¡ÖBlink Without Delay¡×¤ò»î¤·¤Æ¤ß¤Þ¤¹¡£
TUTORIALS > Built-In Examples > 02.Digital > BlinkWithoutDelay
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const int ledPin = LED_BUILTIN;
int ledState = LOW;
unsigned long previousMillis = 0;
const long interval = 1000;
void setup() {
pinMode(ledPin, OUTPUT);
}
void loop() {
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= interval) {
previousMillis = currentMillis;
if (ledState == LOW) {
ledState = HIGH;
} else {
ledState = LOW;
}
digitalWrite(ledPin, ledState);
}
}
delay ¤ò»È¤ï¤º¤Ë¡¢millis() ¤Ç¥¤¥ó¥¿¡¼¥Ð¥ë»þ´Ö¤òĶ¤¨¤¿¤«¤É¤¦¤«¤ò¥Á¥§¥Ã¥¯¤¹¤ëÊýË¡¤Ç¤¹¤Í¡£
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ledState = ~ledState;
ledState ¤ò NOT ±é»»¤Çȿž¤µ¤»¤Æ¤ß¤Þ¤·¤¿¡£¤³¤Î¾ì¹ç¤Ï LOW=0 ¡¢HIGH=-1 ¤È¤Ê¤ê¤Þ¤¹¡£¥Ó¥Ã¥È¤¬¤¹¤Ù¤Æȿž¤·¤Æ¤¤¤ë¤È¤¤¤¦¤³¤È¡£LED ¤ÎÅÀÌǤÏÀµ¾ï¤Ë¹Ô¤ï¤ì¤Æ¤¤¤Þ¤¹¤Î¤Ç¡¢¤¿¤Ö¤ó 1 ¥Ó¥Ã¥ÈÌܤÎÃͤÇÀ©¸æ¤·¤Æ¤¤¤ë¤Î¤Ç¤·¤ç¤¦¡£
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ledState = !ledState;
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ledState = ledState^1;
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ledState ^= 1;
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- 2019.09.21 Saturday
- ÅŻҹ©ºî
- 22:01
- comments(0)
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- by meyon
¢£Arduino / ubuntu¤È¥·¥ê¥¢¥ëÄÌ¿®¤·¤Æ¤ß¤¿ -3-
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parseInt()
Description
parseInt() returns the first valid (long) integer number from the serial buffer. Characters that are not integers (or the minus sign) are skipped.
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Read ASCII String
This sketch uses the Serial.parseInt() function to locate values separated by a non-alphanumeric character. Often people use a comma to indicate different pieces of information (this format is commonly referred to as comma-separated-values or CSV), but other characters like a space or a period will work too. The values are parsed into integers and used to determine the color of a RGB LED. You'll use the Arduino Software (IDE) serial monitor to send strings like "5,220,70" to the board to change the light color.
/*
Reading a serial ASCII-encoded string.
This sketch demonstrates the Serial parseInt() function.
It looks for an ASCII string of comma-separated values.
It parses them into ints, and uses those to fade an RGB LED.
Circuit: Common-Cathode RGB LED wired like so:
- red anode: digital pin 3
- green anode: digital pin 5
- blue anode: digital pin 6
- cathode: GND
created 13 Apr 2012
by Tom Igoe
modified 14 Mar 2016
by Arturo Guadalupi
This example code is in the public domain.
*/
// pins for the LEDs:
const int redPin = 3;
const int greenPin = 5;
const int bluePin = 6;
void setup() {
// initialize serial:
Serial.begin(9600);
// make the pins outputs:
pinMode(redPin, OUTPUT);
pinMode(greenPin, OUTPUT);
pinMode(bluePin, OUTPUT);
}
void loop() {
// if there's any serial available, read it:
while (Serial.available() > 0) {
// look for the next valid integer in the incoming serial stream:
int red = Serial.parseInt();
// do it again:
int green = Serial.parseInt();
// do it again:
int blue = Serial.parseInt();
// look for the newline. That's the end of your sentence:
if (Serial.read() == '¥n') {
// constrain the values to 0 - 255 and invert
// if you're using a common-cathode LED, just use "constrain(color, 0, 255);"
red = 255 - constrain(red, 0, 255);
green = 255 - constrain(green, 0, 255);
blue = 255 - constrain(blue, 0, 255);
// fade the red, green, and blue legs of the LED:
analogWrite(redPin, red);
analogWrite(greenPin, green);
analogWrite(bluePin, blue);
// print the three numbers in one string as hexadecimal:
Serial.print(red, HEX);
Serial.print(green, HEX);
Serial.println(blue, HEX);
}
}
}
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- 2019.09.17 Tuesday
- ÅŻҹ©ºî
- 22:51
- comments(0)
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- by meyon
¢£Arduino / ubuntu¤È¥·¥ê¥¢¥ëÄÌ¿®¤·¤Æ¤ß¤¿ -2-
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The toInt() function allows you to convert a String to an integer number.
In this example, the board reads a serial input string until it sees a newline, then converts the string to a number if the characters are digits.
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toInt() ¤Ï String ¥ª¥Ö¥¸¥§¥¯¥È¤Î´Ø¿ô¤Ç¤¹… ¤è¤¯¤ï¤«¤ê¤Þ¤»¤ó (^_^;)¡¡¤Ç¤â¤³¤¦¤ä¤Ã¤Æ»È¤¦¤È¤³¤¦¤¤¤¦·ë²Ì¤¬½Ð¤ë¤È¤¤¤¦¤³¤È¤Ï¡¢´Êñ¤ËÍý²ò¤Ç¤¤Þ¤¹¡£¤Ê¤ª¡¢¤³¤Î¥Á¥å¡¼¥È¥ê¥¢¥ë¤Ë¤¢¤ë¥µ¥ó¥×¥ë¥³¡¼¥É¤Ï¡¢IDE ¤Î¥¹¥±¥Ã¥ÁÎã¡Ö08.String¡×¤Ë¡ÖStringToint¡×¤È¤·¤ÆÉí°¤·¤Æ¤¤¤Þ¤¹¡£
¤µ¤Æ¡¢¤½¤Î¥µ¥ó¥×¥ë¥³¡¼¥É¤ò»²¹Í¤Ë¤·¤¿¡¢cu ¤«¤éÁ÷¿®¤¹¤ë¥Ç¡¼¥¿¤Ë½¾¤Ã¤Æ 3ÈÖ¥Ô¥ó¤ËÀܳ¤·¤¿ LED ¤ò PWM À©¸æ¤¹¤ë¥¹¥±¥Ã¥Á¤Ç¤¹¡£
// PWM control LED from cu 2019/09/09 meyon
const int ledPin = 3;
String inStr = "";
void setup()
{
pinMode(ledPin, OUTPUT);
Serial.begin(9600);
}
void loop()
{
while(0 < Serial.available()) {
int inChar = Serial.read();
Serial.write(inChar);
if(isDigit(inChar)) {
inStr += (char)inChar;
}
if(13 == inChar) {
int ledBri = inStr.toInt();
ledBri = constrain(ledBri, 0, 255);
analogWrite(ledPin, ledBri);
Serial.print("¥nBrightness: ");
Serial.println(ledBri);
inStr = "";
}
}
}
16¹ÔÌÜ¤Ï cu ¤Ø¤Î¥¨¥³¡¼¤Ç¤¹¡£Serial.write() ¤Ï¥Ç¡¼¥¿¤ò byte ·¿¤Ç½ÐÎϤ¹¤ë¤Î¤Ç¡¢¼õ¤±¼è¤Ã¤¿¿ô»ú¤Î ASCII ¥³¡¼¥É¤ò¤½¤Î¤Þ¤Þ cu ¤ØÁ÷¤êÊÖ¤·¡¢ÆþÎϤ·¤¿¿ô»ú¤òɽ¼¨¤µ¤»¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£
18¹ÔÌܤÇÆþÎϥǡ¼¥¿¤¬¿ô»ú¤«¤É¤¦¤«¤òȽÃǤ·¡¢¿ô»ú¤Ê¤éʸ»úÎó¤È¤·¤Æ inStr ¤ËÄɲ䷤Ƥ¤¤¤Þ¤¹¡£
22〜25¹ÔÌÜ¡£ÆþÎϥǡ¼¥¿¤¬ Enter ¤Î¾ì¹ç ASCII ¥³¡¼¥É (13) ¤¬ÆϤ¤Þ¤¹¤Î¤Ç¡¢¤½¤ì¤Þ¤Ç¤ËÆϤ¤¤¿Ê¸»úÎó¤ò¿ôÃͤËÊÑ´¹¤·¤Æ 3ÈÖ¥Ô¥ó¤Ø¥¢¥Ê¥í¥°½ÐÎϤ·¤Þ¤¹¡£
¿ôÃÍ¤Ï 0〜255 ¤ÎÈϰϤËÀ©¸Â¤·¡¢256 °Ê¾å¤Î¾ì¹ç¤Ï 255 ¤È¤·¤Æ¤¤¤Þ¤¹¡£int ·¿¤Ê¤Î¤Ç 32767 ¤òĶ¤¨¤ë¤È½ÐÎÏ¤Ï 0 ¤Ë¤Ê¤Ã¤Æ¤·¤Þ¤¤¤Þ¤¹¤Í¡£¤Þ¤¿¡¢ÆþÎϤ˿ô»ú°Ê³°¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¤È̵»ë¤µ¤ì¤Þ¤¹¡£¿ô»ú¤À¤±¤òÃê½Ð¤·¤ÆÀ©¸æÃͤˤʤê¤Þ¤¹¡£
¤³¤ì¤Ç¤«¤Ê¤ê¥¨¥¯¥»¥ì¥ó¥È¤Ë¤Ê¤Ã¤¿µ¤¤¬¤·¤Þ¤¹ (^_^;)
- 2019.09.11 Wednesday
- ÅŻҹ©ºî
- 21:44
- comments(0)
- trackbacks(0)
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- by meyon
¢£Arduino / ubuntu¤È¥·¥ê¥¢¥ëÄÌ¿®¤·¤Æ¤ß¤¿
ubuntu ¤È Arduino ´Ö¤Ç¥·¥ê¥¢¥ëÄÌ¿®¤·¤Æ¤ß¤Þ¤¹¡£
ubuntu ¤Ç¤Ï cu ¥³¥Þ¥ó¥É¤òÍøÍѤ·¤Þ¤¹¡£¤Þ¤º¤Ï¥¤¥ó¥¹¥È¡¼¥ë¡£
$ sudo apt install cu
µ¯Æ°¡¦Àܳ¤Ï°Ê²¼¡£ÀÚÃÇ¡¦½ªÎ»¤Ï¡Ö~.¡×¤Ç¤¹¤¬¡¢Arduino ¤Ç¼õ¿®¤·¤¿¥Ç¡¼¥¿¤òÁ÷¤êÊÖ¤¹¥¹¥±¥Ã¥Á¤òÆ°¤«¤·¤Æ¤¤¤ë¤È ~. ¤âÀÞ¤êÊÖ¤µ¤ì¤Æ¤¯¤ë¤À¤±¤Ç½ªÎ»¤Ç¤¤Þ¤»¤ó (^_^;)¡¡Àµ¤·¤¤ÊýË¡¤«¤É¤¦¤«¤ï¤«¤é¤Ê¤¤¤Î¤Ç¤¹¤¬¡¢Ctrl+c ²¡¤·¤¿¸å¤Ë ~. ¤Ç½ªÎ»¤Ç¤¤Þ¤·¤¿¡£
$ cu -s 9600 -l /dev/ttyACM0
¥·¥ê¥¢¥ë¥â¥Ë¥¿¤È¤ÏÆ°ºî¤¬°Û¤Ê¤ê¤Þ¤¹¡£
¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Ç¤ÏÆþÎϤ·¤¿Ê¸»úÎ󤬡ÖÁ÷¿®¡×¥Ü¥¿¥ó¤ò²¡¤¹¤³¤È¤Ç°ì³ç¤·¤ÆÁ÷¤é¤ì¤Þ¤·¤¿¤¬¡¢cu ¤Ç¤ÏÆþÎϤ´¤È¤Ë¨Á÷¿®¤µ¤ì¡¢¤¿¤È¤¨¤Ð¡ÖA¡×¥¡¼¤ò²¡¤¹¤È¤¹¤°¤Ë¡Ö65¡×¤¬Ê֤äƤ¤Þ¤¹¡£
¤½¤³¤Ç¡¢¿ô»ú¤ò 3¤ÄÆþÎϤ¹¤ë¤È¤½¤ÎÃÍ¤Ç LED ¤ÎÌÀ¤ë¤µ¤òÀ©¸æ¤¹¤ë¤è¤¦¤Ê¥¹¥±¥Ã¥Á¤ò½ñ¤¤¤Æ¤ß¤Þ¤·¤¿¡£
LED ¤Ï 3ÈÖ¥Ô¥ó¤Ë·Ò¤®¤Þ¤¹¤¬¡¢ºÇÂç¤Ç 20mA ÄøÅÙή¤·¤Þ¤¹¤Î¤Ç LED ¶îÆ°ÍѤ˥ȥé¥ó¥¸¥¹¥¿¤ò 1¸ÄÆþ¤ì¤Æ¤Þ¤¹¡£¤Þ¤¡ËèÅ٤βóÏ©¤Ç¤¹¡£ÅŸ»¤Ï USB ¤ò»É¤·¤Æ¤¤¤ë¤Î¤Ç¡¢Arduino ¤Î 5V ½ÐÎϤòÍøÍѤ·¤Þ¤·¤¿¡£
const int ledPin=3;
void setup() {
pinMode(ledPin, OUTPUT);
Serial.begin(9600);
}
void loop() {
while(0 < Serial.available()) {
int data = Serial.read();
Serial.println(data);
static int val[3];
static int i=0;
val[i]=data-48;
i++;
if(2<i) {
int bri = val[0]*100+val[1]*10+val[2];
bri = constrain(bri, 0, 255);
Serial.print("Brightness: ");
Serial.println(bri);
analogWrite(ledPin, bri);
i=0;
}
}
}
Arduino ¤Ø½ñ¤¹þ¤ó¤À¤é IDE ¤ò½ªÎ»¤·¤Þ¤¹¡£
cu ¤òµ¯Æ°¤·Àܳ¡£¿ô»ú¤ò 3¤Ä²¡¤¹¤´¤È¤Ë LED ¤Ø¤Î½ÐÎϤ¬ÊѲ½¤·¤Þ¤¹¡£¡Ö255¡× ¤È²¡¤¹¤È LED ¤¬ 100% ¤ÇÅÀÅô¤·¤Þ¤¹¡£¡Ö128¡×¤Ê¤é 50% ¡¢¡Ö000¡×¤Ç¾ÃÅô¤Ç¤¹¡£ÆþÎÏÃͤ¬ 255 ¤òĶ¤¨¤ë¾ì¹ç¤Ï 255 ¤Ë¤·¤Þ¤¹¤¬¡¢contrain() ¤Ê¤ó¤ÆÊØÍø¤Ê´Ø¿ô¤¬¤¢¤Ã¤¿¤Î¤Ç»È¤Ã¤Æ¤ß¤Þ¤·¤¿¡£
¼õ¿®¤·¤¿¥Ç¡¼¥¿¤Ï 48 ¤ò°ú¤¯¤³¤È¤Ç¿ôÃͤËÊÑ´¹¤·¤Æ¤¤¤Þ¤¹¡£3¤Ä¥Ç¡¼¥¿¤ò¼õ¤±¤¿¤é 3·å¤Î¿ô»ú¤Ë·×»»¤·¤Æ¤¤¤ë¤À¤±¤Ç¤¹¤¬¡¢¤³¤Î¤¢¤¿¤ê¤¬¤É¤¦¤â¥¨¥¯¥»¥ì¥ó¥È¤¸¤ã¤Ê¤¤¤Ç¤¹¤è¤Í¤§ (^_^;)
- 2019.09.09 Monday
- ÅŻҹ©ºî
- 11:27
- comments(0)
- trackbacks(0)
- -
- by meyon
¢£Arduino ¥·¥ê¥¢¥ëÄÌ¿® Serial.read() ¤ò»î¤·¤Æ¤ß¤ë
¡ÖArduino ¥·¥ê¥¢¥ëÄÌ¿® Serial.print() ¤ò»î¤·¤Æ¤ß¤ë¡×¤Ç¡¢Arduino ¤«¤é¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Ø¥Ç¡¼¥¿¤òÁ÷¤ë¤È¤¤Ï¤¹¤Ù¤Æʸ»úÎó¤È¤·¤Æ°·¤Ã¤Æ¤¤¤ë¤³¤È¤¬¤ï¤«¤ê¤Þ¤·¤¿¡£Ê¸»ú¤Ï ASCII ¥³¡¼¥É¤È¤·¤Æ¥·¥ê¥¢¥ë¥Ý¡¼¥È¤ØÁ÷¤é¤ì¡¢¥·¥ê¥¢¥ë¥â¥Ë¥¿Â¦¤Ç¤Ï¼õ¤±¼è¤Ã¤¿ ASCII ¥³¡¼¥É¤ËÂбþ¤·¤¿Ê¸»ú¤òɽ¼¨¤·¤Æ¤¤¤Þ¤¹¡£
¤Ç¤Ï¡¢¥·¥ê¥¢¥ë¥â¥Ë¥¿¤«¤é Arduino ¤ØÁ÷¿®¤¹¤ë¾ì¹ç¤Ï¤É¤¦¤Ç¤·¤ç¤¦¤«¡£´Êñ¤Ê¥¹¥±¥Ã¥Á¤Ç»î¤·¤Æ¤ß¤Þ¤¹¡£
void setup() {
Serial.begin(9600);
}
void loop() {
if(Serial.available() > 0) {
int data = Serial.read();
Serial.println(data, DEC);
}
}
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65
10
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Arduino ¦¤Ç¤Ï¡¢Serial.read() ¤ÇÆɤ߼è¤Ã¤¿¥Ç¡¼¥¿¤ò¿ôÃÍÊÑ¿ô data ¤ËÂåÆþ¤·¡¢Serial.println() ¤Ç 10 ¿Ê¿ô¤Î¥Õ¥©¡¼¥Þ¥Ã¥È¤Ç½ÐÎϤ·¤Æ¤¤¤Þ¤¹¡£¤½¤³¤Çɽ¼¨¤µ¤ì¤¿¤Î¤¬¡Ö65¡×¤È¤¤¤¦¤³¤È¤Ï¡¢Serial.read() ¤¬¥·¥ê¥¢¥ë¥Ý¡¼¥È¤«¤éÁ÷¤é¤ì¤Æ¤¤¿ ASCII ¥³¡¼¥É¤½¤Î¤â¤Î¤òÆɤ߼è¤Ã¤Æ¤¤¤ë¡¢¤È¤¤¤¦¤³¤È¤Ç¤¹¡£
¼¡¤Ëɽ¼¨¤µ¤ì¤Æ¤¤¤ë¡Ö10¡×¤Ï¡¢¥·¥ê¥¢¥ë¥â¥Ë¥¿¤«¤éÁ÷¿®¤µ¤ì¤ë¤È¤¤ËÉղ䵤줿²þ¹Ô¥³¡¼¥É LF ¤ÎASCII ¥³¡¼¥É¤Ç¤¹¡£¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Ç¤Ï¡¢ÆþÎϤµ¤ì¤¿¥Ç¡¼¥¿¤Ï¡ÖÁ÷¿®¡×¥Ü¥¿¥ó¤ò²¡¤·¤¿¤È¤¤Ë²þ¹Ô¥³¡¼¥É¤òÉղ䷤ƤޤȤá¤ÆÁ÷½Ð¤µ¤ì¤Æ¤¤¤Þ¤¹¡£
¤È¤¤¤¦¤³¤È¤Ï¤Ç¤¹¤è¡¢ÆþÎϤ·¤¿Ê¸»ú¤ò¤½¤Î¤Þ¤Þɽ¼¨¤µ¤»¤ë¤Ë¤Ï¡¢Æɤ߼è¤Ã¤¿ ASCII ¥³¡¼¥É¤òʸ»ú¤ËÊÑ´¹¤¹¤ì¤Ð¤¤¤¤¤ó¤¸¤ã¤Ê¤¤¤Ç¤¹¤«¡©
char data = Serial.read();
Serial.println(data);
¥¹¥±¥Ã¥Á¤Î°ìÉô¤ò¾å¤Î¤è¤¦¤Ë½ñ¤´¹¤¨¤Þ¤¹¡£¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Ç¡ÖA¡×¤ÈÆþÎϤ¹¤ë¤È¡¢
A
¤È½ÐÎϤµ¤ì¤Þ¤·¤¿¡£ASCII ¥³¡¼¥É (65) ¤òʸ»úÊÑ¿ô data ¤ËÂåÆþ¤¹¤ë¤È¡¢¤½¤ÎÃæ¿È¤Ïʸ»ú¡ÖA¡×¤È¤Ê¤ê¤Þ¤¹¤Í¡£¤½¡¼¤æ¡¼¤³¤È¤Ç¤¹ (^_^;)
¤È¤³¤í¤Ç¡¢¡ÖABC¡×¤ÈÆþÎϤ¹¤ë¤È¤É¤¦¤Ê¤ê¤Þ¤¹¤«¡©
A
B
C
¤È¤Ê¤Ã¤Æ¤·¤Þ¤¤¤Þ¤¹¡£¥¹¥±¥Ã¥Á¤ò¤Á¤ç¤Ã¤È¹©Éפ·¤Þ¤·¤ç¤¦¡£
void loop() {
if(Serial.available() > 0) {
char data = Serial.read();
if(10 == data) {
data = '¥n';
}
Serial.print(data);
}
}
ËöÈø¤Ë²þ¹Ô¥³¡¼¥É LF ¤¬¤Ä¤¤¤Æ¤¯¤ë¤Î¤Ç¤¹¤«¤é¡¢LF ¤Î¤È¤¤À¤±²þ¹Ô¤¹¤ë¤è¤¦¤Ë¤·¤Þ¤·¤¿¡£¤³¤ì¤Ç½ÐÎϤϡ¢
ABC
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- Arduino → ¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Ç¤Ï¡¢¥Ç¡¼¥¿¤Ïʸ»úÎó¤È¤·¤Æ¤½¤Î¤Þ¤ÞÁ÷¿®¤µ¤ì¤ë¡£
- ¥·¥ê¥¢¥ë¥â¥Ë¥¿ → Arduino ¤Ç¤Ï¡¢¥Ç¡¼¥¿¤Ïʸ»úÎó¤È¤·¤ÆÁ÷¤é¤ì¡¢Serial.read() ¤Ïʸ»ú¤Î ASCII ¥³¡¼¥É¤òÆɤ߼è¤ë¡£
¤³¤ì¤Ç¥·¥ê¥¢¥ëÄÌ¿®¤Î¾õ¶·¤¬¤ï¤«¤ê¤Þ¤·¤¿¡£¤ï¤«¤Ã¤Æ¤·¤Þ¤¨¤Ð¡¢¤Þ¤¡¤Ê¤ó¤Æ¤³¤È¤Ê¤¤¤Ç¤¹¤è¤Í¤§ (^_^;)¡¡¤¿¤Ö¤ó¡¢¤Í¡£
- 2019.09.06 Friday
- ÅŻҹ©ºî
- 16:13
- comments(0)
- trackbacks(0)
- -
- by meyon
¢£Arduino ¥·¥ê¥¢¥ëÄÌ¿® Serial.print() ¤ò»î¤·¤Æ¤ß¤ë
Á°²ó¤Î¡ÖArduino ¥·¥ê¥¢¥ëÄÌ¿®¤ò»î¤·¤Æ¤ß¤ë (ʸ»úÎó)¡×¤Ç¡¢¥·¥ê¥¢¥ë¥â¥Ë¥¿¡¼¤«¤éÁ÷¤é¤ì¤ë¥Ç¡¼¥¿¤Ï ASCII ¥³¡¼¥É¤Ë¤Ê¤Ã¤Æ¤¤¤ë¤é¤·¤¤¤È¤ï¤«¤Ã¤¿¤ï¤±¤Ç¤¹¤¬¡¢¤¸¤ã Arduino ¤«¤é¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Ø½ÐÎϤ¹¤ë¤È¤¤Ï¤É¤¦¤Ê¤Ã¤Æ¤ë¤Î¤«¡¢Ä´¤Ù¤Æ¤ß¤Þ¤¹¡£
Reference ¤Î Serial.print() ¤ò³Îǧ¤·¤Æ¤ß¤Þ¤·¤¿¡£
Prints data to the serial port as human-readable ASCII text. This command can take many forms. Numbers are printed using an ASCII character for each digit. Floats are similarly printed as ASCII digits, defaulting to two decimal places. Bytes are sent as a single character. Characters and strings are sent as is.
¥Ç¡¼¥¿¤Ï ASCII ¥³¡¼¥É¤Ç½ÐÎϤµ¤ì¤Þ¤¹¡£¿ô»ú¤â³Æ·å¤´¤È¤Ë ASCII ¥³¡¼¥É¤Ë¤Ê¤ë¤è¤¦¤Ç¤¹¤Í¡£ÉâÆ°¾®¿ôÅÀ¿ô¤âƱ¤¸¤Ç¤¹¤¬¡¢¾®¿ôÅÀ°Ê²¼ 2·å¤Ë¤Ê¤ë¤È¤Î¤³¤È¡£
¥Ð¥¤¥È·Á¼°¤Ï°ì¤Ä¤Îʸ»ú¤È¤·¤ÆÁ÷¤ë¤È¤¤¤¦¤³¤È¤Ê¤Î¤Ç¡¢¤³¤Î¾ì¹ç¤Ï¿ô»ú¤Î¤è¤¦¤Ë¥Ð¥é¥Ð¥é¤Ë¤Ï¤Ê¤é¤Ê¤¤¤È¤¤¤¦¤³¤È¤Ç¤·¤ç¤¦¤«¡£¤¢¤È¤Ç³Îǧ¤·¤Æ¤ß¤Þ¤·¤ç¤¦¡£
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¤Ç¤Ï¡¢¼ÂºÝ¤Ë³Îǧ¤·¤Æ¤ß¤Þ¤¹¡£¤Á¤Ê¤ß¤Ë Serial.println() ¤Ï¥Ç¡¼¥¿¤ÎËöÈø¤Ë²þ¹Ô¥³¡¼¥É (CR+LF) ¤òÉղ乤ë´Ø¿ô¤Ç¡¢¤½¤ì°Ê³°¤Ï Serial.print() ¤ÈƱ¤¸¤Ç¤¹¡£
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Serial.println("hoge");
¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Ë¤Ï¡Öhoge¡×¤È¤½¤Î¤Þ¤Þɽ¼¨¤µ¤ì¤Þ¤¹¡£ÆâÉôŪ¤Ë¤Ï ASCII ¥³¡¼¥É¤ÇÁ÷¤ë¤Î¤Ç¤·¤ç¤¦¤¬¡¢Ê¸»ú·Á¼°¤Ï¡Ö¤½¤Î¤Þ¤Þ¡×¤Îʸ»ú¤È¤·¤Æ½ÐÎϤµ¤ì¤ë¤È¤¤¤¦¤³¤È¤Ç¤¹¡£
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char str[]="Hello world!";
Serial.println(str);
ÊÑ¿ô¤Î¾ì¹ç¤â°Õ¿Þ¤·¤¿¤è¤¦¤Ë¡¢¤½¤Î¤Þ¤Þ¡ÖHello world!¡×¤Èɽ¼¨¤µ¤ì¤Þ¤·¤¿¡£
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int num=65;
Serial.println(num);
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float num=12.345678;
Serial.println(num);
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int num=65;
Serial.println(num, BIN);
¤³¤Î¾ì¹ç¤Ï¡Ö1000001¡×¤È 2¿Ê¿ô·Á¼°¤Çɽ¼¨¤µ¤ì¤Þ¤¹¡£¤¢¤¯¤Þ¤Ç¤âʸ»úÎó¤È¤·¤Æ°·¤Ã¤Æ¤¤¤ë¤Î¤Ç¤¹¤«¤é¡¢BIN ¤ò»ØÄꤷ¤¿¾ì¹ç¤Ï²þ¹Ô¥³¡¼¥É¤ò´Þ¤ó¤Ç 9 ¥Ð¥¤¥ÈÁ÷¿®¤·¤Æ¤¤¤ë¤È¤¤¤¦¤³¤È¤Ë¤Ê¤ë¤Î¤Ç¤·¤ç¤¦¤«¡£
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byte b=B01000001;
Serial.println(b);
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byte b='A';
Serial.println(b);
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byte b='A';
Serial.println(b, BIN);
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¼¡¤Ï¤â¤¦°ìÅÙ¡¢¥·¥ê¥¢¥ë¥â¥Ë¥¿¤«¤é Arduino ¤ØÁ÷¤ë¾ì¹ç¤ò»î¤·¤Æ¤ß¤¿¤¤¤È»×¤¤¤Þ¤¹¡£
- 2019.09.04 Wednesday
- ÅŻҹ©ºî
- 21:38
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¢£Arduino ¥·¥ê¥¢¥ëÄÌ¿®¤ò»î¤·¤Æ¤ß¤ë (ʸ»úÎó)
°ÊÁ°¡ÖArduino ¥·¥ê¥¢¥ëÄÌ¿®¤ÇL¥Á¥«¤ò»î¤¹¡×¤Ç Arduino ¤È¥Ñ¥½¥³¥ó´Ö¤Î¥·¥ê¥¢¥ëÄÌ¿®¤ò»î¤·¤Æ¤ß¤¿¤³¤È¤¬¤¢¤ê¤Þ¤·¤¿¡£¤Ç¤â¡¢¤ä¤Ã¤Æ¤ß¤¿¤é¤Ç¤¤¿¤Ã¤Æ´¶¤¸¤Ç¤è¤¯¤ï¤«¤Ã¤Æ¤¤¤Ê¤«¤Ã¤¿¤Î¤Ç¡¢º£²ó¤Ï¤â¤¦¾¯¤·¤Á¤ã¤ó¤ÈÄ´¤Ù¤Æ¤ß¤è¤¦¤È»×¤¤¤Þ¤¹¡£
¤Þ¤º¡¢Reference ¤Î Serial.available() ¤Ë¤¢¤ë¥µ¥ó¥×¥ë¥¹¥±¥Ã¥Á¤Ç»î¤·¤Æ¤ß¤Þ¤·¤ç¤¦¡£
int incomingByte = 0; // for incoming serial data
void setup() {
Serial.begin(9600); // opens serial port, sets data rate to 9600 bps
}
void loop() {
// reply only when you receive data:
if (Serial.available() > 0) {
// read the incoming byte:
incomingByte = Serial.read();
// say what you got:
Serial.print("I received: ");
Serial.println(incomingByte, DEC);
}
}
¥·¥ê¥¢¥ë¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤«¤é¼õ¿®¤·¤¿¥Ç¡¼¥¿¤ò¤½¤Î¤Þ¤ÞÁ÷¤êÊÖ¤¹¥¹¥±¥Ã¥Á¤Ç¤¹¡£¥·¥ê¥¢¥ë¥â¥Ë¥¿¤ò³«¤¤¤Æ»î¤·¤Æ¤ß¤Þ¤·¤¿¡£
ÆþÎÏ | ½ÐÎÏ |
123 | I received: 49 I received: 50 I received: 51 I received: 10 |
ABC | I received: 65 I received: 66 I received: 67 I received: 10 |
¥·¥ê¥¢¥ë¥â¥Ë¥¿¤«¤é¡Ö123¡×¤ÈÆþÎϤ·¤ÆÁ÷¿®¤¹¤ë¤È¡¢½ÐÎϤΤ褦¤Ëɽ¼¨¤µ¤ì¤Þ¤¹¡£¤³¤³¤Ç¡¢¤¢¤ì¡©¤È»×¤Ã¤Á¤ã¤¦¡£¤½¤Î¤Þ¤ÞÁ÷¤êÊÖ¤·¤Æ¤¤¤ë¤Ï¤º¤Ê¤Î¤Ë¡¢°ã¤¦¤¸¤ã¤ó (^_^;)
¤è¡¼¤¯¹Í¤¨¤Æ¤ß¤ë¤È¡¢Ê¸»ú¡Ö1¡×¤Î ASCII ¥³¡¼¥É¤Ï¡Ö49¡×¡¢Ê¸»ú¡Ö2¡×¤Ï¡Ö50¡×¤Ç¤¹¡£ÆþÎϤ·¤¿¥Ç¡¼¥¿¤¬ ASCII ¥³¡¼¥É¤È¤·¤Æ¤ä¤ê¼è¤ê¤µ¤ì¤Æ¤¤¤ë¡¢¤È¤¤¤¦¤³¤È¤Ç¤¹¤Í¡£
ºÇ¸å¤Î¡Ö10¡×¤Ï²þ¹Ô¥³¡¼¥É¤Î LF ¤òɽ¤·¤Þ¤¹¡£¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Ç¤ÏÁ÷¿®¥Ü¥¿¥ó¤ò¥¯¥ê¥Ã¥¯¤¹¤ë¤È LF ¤¬Á÷¤é¤ì¤ë¤ó¤Ç¤¹¡£¥·¥ê¥¢¥ë¥â¥Ë¥¿¤Î±¦²¼¤Î¡ÖLF¤Î¤ß¡×¤ò¡ÖCR¤Î¤ß¡×¤È¤¹¤ë¤È²þ¹Ô¥³¡¼¥É CR ¤Î¡Ö13¡×¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£
¥·¥ê¥¢¥ë¥â¥Ë¥¿¤«¤éÆþÎϤµ¤ì¤¿Ê¸»úÎó¤Ï Arduino ¤ËÁ÷¤é¤ì¤Æ¥·¥ê¥¢¥ë¥Ð¥Ã¥Õ¥¡¤Ë³ÊǼ¤µ¤ì¤Þ¤¹¡£Serial.read() ¤ò¼Â¹Ô¤¹¤ë¤È¥Ð¥Ã¥Õ¥¡¤ÎºÇ½é¤Î 1 ¥Ð¥¤¥È¤¬Æɤ߼è¤é¤ì¤Þ¤¹¡£¤½¤·¤ÆºÇ½é¤Î 1 ¥Ð¥¤¥È¤Ï¥¯¥ê¥¢¤µ¤ì¤ë (¤Î¤¸¤ã¤Ê¤¤¤«¤È»×¤¤¤Þ¤¹) ¡£Serial.read() ¤ò·«¤êÊÖ¤¹¤¿¤Ó¤Ë 1 ʸ»ú¤º¤ÄÆɤ߼è¤Ã¤Æ¤¤¤¡¢Æɤ߼è¤ì¤ë¥Ç¡¼¥¿¤¬¤Ê¤¯¤Ê¤Ã¤¿¤é¼¡¤Î¥Ç¡¼¥¿¤òÂÔ¤Á¤Þ¤¹¡£
¤½¤ó¤Ê»ÅÁȤߡ£´Ö°ã¤Ã¤Æ¤¤¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£´Ö°ã¤Ã¤Æ¤¤¤¿¤é¾Ð¤Ã¤Æ¤ä¤Ã¤Æ¤¯¤À¤µ¤¤¡£
¤È¤³¤í¤Ç¡¢¤³¤ì¤òʸ»úÎó¤Ë¤·¤è¤¦¤È»×¤Ã¤¿¤é 1 ʸ»ú¤º¤ÄÇÛÎóÊÑ¿ô¤Ë³ÊǼ¤¹¤ë¤Ê¤É¤·¤Ê¤¯¤Æ¤Ï¤¤¤±¤Þ¤»¤ó¡£Serial.available() ¤Çʸ»ú¿ô¤ò¼èÆÀ¤·¤ÆÇÛÎóÊÑ¿ô¤òÄêµÁ¤·¡¢1 ʸ»ú¤º¤Ä¤½¤³¤Ë³ÊǼ¤·¤Æ¤¤¤¯¤Ã¤Æ´¶¤¸¤«¤Ê¡£Æñ¤·¤¯¤Ï¤Ê¤¤¤±¤ì¤É¡¢ÌÌÅݤ¯¤µ¤¤ (^_^;)
ʸ»úÎó¤ò´Êñ¤ËÆɤ߼è¤ì¤Ê¤¤¤Î¤«¤Ê¤¡¤È¥°¥°¤Ã¤Æ¤ß¤¿¤é¡¢Serial.readString() ¤È¤¤¤¦´Ø¿ô¤¬¤¢¤ë¤³¤È¤¬¤ï¤«¤ê¤Þ¤·¤¿¡£¤¿¤À¡¢¤³¤Î´Ø¿ô¤Ï¥¿¥¤¥à¥¢¥¦¥È (¥Ç¥Õ¥©¥ë¥È¤Ï 1000ms) ¤Ç½ªÎ»¤¹¤ë¤Î¤Ç¡¢½èÍý¤¬ÃÙ¤¤¤Î¤¬·çÅÀ¡£¼ÂºÝ»î¤·¤Æ¤ß¤ë¤È¡¢¥Ç¡¼¥¿¤òÁ÷¿®¤·¤Æ 1 Éøå¤Ëɽ¼¨¤µ¤ì¤Þ¤¹¡£
¤½¤³¤Ç¡¢Serial.readStringUntil( terminator ) ´Ø¿ô¤ò»È¤¦¤³¤È¤Ë¤·¤Þ¤·¤¿¡£terminator ¤Ë '¥n' ¤ò»ØÄꤹ¤ë¤È¡¢²þ¹Ô¥³¡¼¥É¤ò¼õ¿®¤·¤¿»þÅÀ¤Ç½ªÎ»¤·¤Æ¤¯¤ì¤Þ¤¹¡£
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String incomingByte; // for incoming serial data
void setup() {
Serial.begin(9600); // opens serial port, sets data rate to 9600 bps
}
void loop() {
// reply only when you receive data:
if (Serial.available() > 0) {
// read the incoming byte:
incomingByte = Serial.readStringUntil('¥n');
// say what you got:
Serial.print("I received: ");
Serial.println(incomingByte);
}
}
¤³¤ì¤ÇÆþÎϤ·¤¿Ê¸»úÎó¤ÈƱ¤¸Ê¸»úÎ󤬽ÐÎϤËɽ¼¨¤µ¤ì¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤·¤¿¡£
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