Hi. First of all, I wrote this through translation, so there may be some typos. There is a stair step tracking led system. I've done this before and it worked. But now when I do it again as a project, I get the following error. I don't know how to write code. Would you help me with this topic?
Code Here
int led = 13;
int sensorUp = 7;
int sensorDown = 6;
int latchPin = 9 ; //Pin conectado a ST_CP of 74HC595 (Amarillo)
int clockPin = 10; //Pin conectado a SH_CP of 74HC595 (Amarillo)
boolean registers[17];
int dataPin = 8; //Pin connected to DS of 74HC595 (Amarillo)
// the setup routine runs once when you press reset:
pinMode(latchPin, OUTPUT);
void setup() {
// initialize the digital pin as an output.
pinMode(sensorUp, INPUT);
pinMode(sensorDown, INPUT);
for (int i = 16; i>=0; i--)
pinMode(clockPin, OUTPUT);
pinMode(dataPin, OUTPUT);
writereg();
}
void writereg()
{
digitalWrite(latchPin, LOW) ;
{
// the loop routine runs over and over again forever:
digitalWrite(clockPin, LOW);
digitalWrite(dataPin, registers[i] );
digitalWrite(clockPin, HIGH);
}
digitalWrite(latchPin, HIGH);
}
void loop() {
for(int i = 0; i<17; i++) { registers[i] = LOW; delay(200); writereg(); }
if (digitalRead(sensorUp) == HIGH){
for(int i = 0; i<17; i++) { registers[i] = HIGH; delay(200); writereg(); }
delay(500);
}
if (digitalRead(sensorDown) == HIGH){
}
for(int i = 16; i>=0; i--) { registers[i] = HIGH; delay(200); writereg(); }
delay(500);
for(int i = 16; i>=0; i--) { registers[i] = LOW; delay(200); writereg(); }
}
This is warning?
10:9: error: expected constructor, destructor, or type conversion before '(' token
In function 'void writereg()':
27:34: error: 'i' was not declared in this scope
exit status 1
