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#define PIN_LED1 0 #define PIN_LED2 1 #define PIN_LED3 2 #define PIN_LED4 3 #define PIN_LED5 4 #define PIN_LED6 5 #define CANT_LEDS 6 const int pin_led[]={PIN_LED1, PIN_LED2, PIN_LED3, PIN_LED4, PIN_LED5, PIN_LED6}; #define CONFIG_LED(x) pinMode(pin_led[x], OUTPUT) #define LED_ON(x) digitalWrite(pin_led[x], HIGH) #define LED_OFF(x) digitalWrite(pin_led[x], LOW) #define MS_ESPERA 100 void setup() { for(int i=0; i<CANT_LEDS; i++) CONFIG_LED(i); } void loop() { Barra(); } void Barra(void) { static unsigned long millis_ant=0; static int i=0; //Evento sincrónico if(millis() - millis_ant < MS_ESPERA) return; millis_ant=millis(); if(i>= (2*CANT_LEDS)) i=0; if(i<CANT_LEDS) LED_ON(i); else LED_OFF(2*CANT_LEDS-i-1); i++; }
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