Created
November 11, 2017 19:48
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#include "mbed.h" | |
DigitalIn boton1(D12); //Configuracion normal, por default configura un pull-down interno | |
//DigitalIn boton1(D12,PullUp); //Configura el pin D12 como entrada digital con pullup interna | |
//DigitalIn boton1(D12,PullDown); //Configura D12 como entrada con pull-down interna | |
//DigitalIn boton1(D12,PullNone); //Configura D12 como entrada sin resistencia interna | |
//DigitalIn boton1(D12,OpenDrain); //Configura D12 como entrada en alta impedancia | |
int estadoLogicoBoton; | |
int main() { | |
while(1) { | |
estadoLogicoBoton = boton1.read(); //Lectura del estado logico de la entrada boton1 | |
//estadoLogicoBoton = boton1;//Equivalente a la instruccion anterior | |
if(estadoLogicoBoton == true){ | |
//Haz algo si el boton esta activo, boton conectado a VCC, si existe un pull-down. | |
} | |
/* | |
//Instruccion equivalente a la anterior, opcion#1 | |
if(estadoLogicoBoton){ | |
} | |
*/ | |
/* | |
//Instruccion equivalente a la anterior, opcion#2 | |
if(estadoLogicoBoton == 1) { | |
} | |
*/ | |
/* | |
//Error comun, un signo de = no es una comparacion. | |
if(estadoLogicoBoton = 1) { | |
} | |
*/ | |
} | |
} | |
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