Blinks the builtin LED for two seconds each time when the builtin button is pressed.
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main.cpp
00001 /* Demonstrates Timeout, by triggering an event 00002 * a fixed duration after a button press. 00003 */ 00004 #include "mbed.h" 00005 Timeout wecker; //create a Timeout, and name it "Response" 00006 DigitalIn button(BUTTON1); 00007 DigitalOut led(LED1); //blinks with main while(1) loop 00008 volatile int state = 0; 00009 00010 void noblink() //this function is called at the end of the Timeout 00011 { 00012 state = 0; // Stop blinking 00013 } 00014 00015 int main() { 00016 while(1) { 00017 if(button==0) { 00018 wecker.attach(&noblink,2.0); //attach noblink function to Response 00019 //Timeout, to occur after 2 seconds 00020 state = 1; // Start binking LED 00021 } 00022 if(state) { 00023 led=!led; 00024 wait(0.2); 00025 } else { 00026 led = 0; 00027 } 00028 } 00029 }
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