74 lines
2.1 KiB
Arduino
74 lines
2.1 KiB
Arduino
|
|
||
|
|
#define LED_COUNT 8
|
||
|
|
#define UP 1
|
||
|
|
#define DOWN 2
|
||
|
|
#define PWM_PRECISION 8
|
||
|
|
#define PWM_VALUE_MAX 1 << PWM_PRECISION
|
||
|
|
#define PIN_BUTTON 13
|
||
|
|
#define BUTTON_UP 1
|
||
|
|
#define BUTTON_BOUNCING 2
|
||
|
|
#define BUTTON_DOWN 3
|
||
|
|
#define BUTTON_HELD 4
|
||
|
|
|
||
|
|
const byte ledPins[] = {21, 47, 38, 39, 40, 41, 42, 2}; //define led pins
|
||
|
|
const byte chns[] = {0, 1, 2, 3, 4, 5, 6, 7}; //define the pwm channels
|
||
|
|
int pwmvalues[] = {1, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7};
|
||
|
|
char velocities[] = {DOWN, DOWN, DOWN, DOWN, DOWN, DOWN, DOWN, DOWN};
|
||
|
|
int delayTimes = 100; //flowing speed ,the smaller, the faster
|
||
|
|
unsigned long button_bounce_millis = 0;
|
||
|
|
char buttonState = BUTTON_UP;
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
for (int i = 0; i < LED_COUNT; i++) { //setup the pwm channels
|
||
|
|
ledcAttachChannel(ledPins[i], 1000, PWM_PRECISION, chns[i]);
|
||
|
|
}
|
||
|
|
pinMode(PIN_BUTTON, INPUT);
|
||
|
|
}
|
||
|
|
|
||
|
|
void checkButtonPressed(void) {
|
||
|
|
unsigned long curmillis = millis();
|
||
|
|
if ( digitalRead(PIN_BUTTON) == LOW ) {
|
||
|
|
if ( buttonState == BUTTON_UP ) {
|
||
|
|
button_bounce_millis = millis();
|
||
|
|
buttonState = BUTTON_BOUNCING;
|
||
|
|
return;
|
||
|
|
} else if ( buttonState == BUTTON_BOUNCING && curmillis - button_bounce_millis > 20 ) {
|
||
|
|
if ( digitalRead(PIN_BUTTON) == LOW ) {
|
||
|
|
buttonState = BUTTON_DOWN;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else if ( digitalRead(PIN_BUTTON) == HIGH ) {
|
||
|
|
buttonState = BUTTON_UP;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
checkButtonPressed();
|
||
|
|
if ( buttonState == BUTTON_DOWN ) {
|
||
|
|
for ( int i = 0; i < LED_COUNT ; i++ ) {
|
||
|
|
if ( velocities[i] == UP) {
|
||
|
|
velocities[i] = DOWN;
|
||
|
|
} else {
|
||
|
|
velocities[i] = UP;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
buttonState = BUTTON_HELD;
|
||
|
|
}
|
||
|
|
|
||
|
|
for ( int i = 0; i < LED_COUNT ; i++ ) {
|
||
|
|
if ( pwmvalues[i] == 0 ) {
|
||
|
|
velocities[i] = UP;
|
||
|
|
pwmvalues[i] = 1;
|
||
|
|
} else if ( pwmvalues[i] == PWM_VALUE_MAX ) {
|
||
|
|
velocities[i] = DOWN;
|
||
|
|
}
|
||
|
|
if ( velocities[i] == UP ) {
|
||
|
|
pwmvalues[i] = pwmvalues[i] << 1;
|
||
|
|
} else if ( velocities[i] == DOWN ) {
|
||
|
|
pwmvalues[i] = pwmvalues[i] >> 1;
|
||
|
|
}
|
||
|
|
ledcWrite(ledPins[i], pwmvalues[i]);
|
||
|
|
}
|
||
|
|
delay(delayTimes);
|
||
|
|
}
|