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main.cpp
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2019 ARM Limited 00003 * SPDX-License-Identifier: Apache-2.0 00004 */ 00005 00006 #include "mbed.h" 00007 #include "platform/mbed_thread.h" 00008 00009 00010 // Blinking rate in milliseconds 00011 #define BLINKING_RATE_MS 500 00012 00013 bool angefordert=false; 00014 00015 char phasen[10]= { 00016 0b01001001, //0 rot - rot - rot 00017 0b01001101, //1 rot - rot - rotgelb 00018 0b01001010, //2 rot - rot - grün 00019 0b01001100, //3 rot - rot - gelb 00020 0b01001001, //4 rot - rot - rot 00021 0b01101001, //5 rot - rotgelb - rot 00022 0b01010001, //6 rot - grün - rot 00023 0b01100001, //7 rot - gleb - rot 00024 0b01001001, //8 rot - rot - rot 00025 0b10001001}; //9 grün - rot - rot 00026 00027 void anfordern(void) 00028 { 00029 angefordert=true; 00030 } 00031 00032 int main() 00033 { 00034 // Initialise the digital pin LED1 as an output 00035 int z=0; 00036 InterruptIn anforderung(PA_1); 00037 anforderung.mode(PullDown); 00038 PortOut ampel(PortC,0xFF); 00039 anforderung.rise(&anfordern); 00040 00041 while (true) { 00042 ampel=phasen[z]; 00043 thread_sleep_for(BLINKING_RATE_MS); 00044 if ((z==0||z==4||z==8)&&angefordert) 00045 { 00046 ampel=phasen[9]; 00047 thread_sleep_for(BLINKING_RATE_MS); 00048 angefordert=false; 00049 } 00050 z++; 00051 if (z>8) z=0; 00052 00053 } 00054 }
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