ITI "DallaChiesa" 2019 / Mbed 2 deprecated stm32nucleof401re_01_07_thread

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Dependencies:   mbed

main.cpp@0:943cf409664f, 2019-03-19 (annotated)

Committer:
faraonemena
Date:
Tue Mar 19 10:37:59 2019 +0000
Revision:
0:943cf409664f
thread

Who changed what in which revision?

UserRevisionLine numberNew contents of line
faraonemena 0:943cf409664f 1 /* Copyright (c) 2017 STMicroelectronics
faraonemena 0:943cf409664f 2 *
faraonemena 0:943cf409664f 3 * Licensed under the Apache License, Version 2.0 (the "License");
faraonemena 0:943cf409664f 4 * you may not use this file except in compliance with the License.
faraonemena 0:943cf409664f 5 * You may obtain a copy of the License at
faraonemena 0:943cf409664f 6 *
faraonemena 0:943cf409664f 7 * http://www.apache.org/licenses/LICENSE-2.0
faraonemena 0:943cf409664f 8 *
faraonemena 0:943cf409664f 9 * Unless required by applicable law or agreed to in writing, software
faraonemena 0:943cf409664f 10 * distributed under the License is distributed on an "AS IS" BASIS,
faraonemena 0:943cf409664f 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
faraonemena 0:943cf409664f 12 * See the License for the specific language governing permissions and
faraonemena 0:943cf409664f 13 * limitations under the License.
faraonemena 0:943cf409664f 14 */
faraonemena 0:943cf409664f 15
faraonemena 0:943cf409664f 16 /****************************************************
faraonemena 0:943cf409664f 17 * RAPID PROTOTYPING WITH NUCLEO *
faraonemena 0:943cf409664f 18 * Example Code 07: Thread usage *
faraonemena 0:943cf409664f 19 * Author: Mauro D'Angelo *
faraonemena 0:943cf409664f 20 * Organization: STMicroelectronics *
faraonemena 0:943cf409664f 21 *****************************************************/
faraonemena 0:943cf409664f 22
faraonemena 0:943cf409664f 23 #include "mbed.h"
faraonemena 0:943cf409664f 24
faraonemena 0:943cf409664f 25 // It declares a thread
faraonemena 0:943cf409664f 26 Thread thread;
faraonemena 0:943cf409664f 27
faraonemena 0:943cf409664f 28 // mybutton variable's type is DigitalIn. It points to the user button available on the board
faraonemena 0:943cf409664f 29 DigitalIn mybutton(USER_BUTTON);
faraonemena 0:943cf409664f 30
faraonemena 0:943cf409664f 31 DigitalOut myled(LED1);
faraonemena 0:943cf409664f 32
faraonemena 0:943cf409664f 33 // It is the interval
faraonemena 0:943cf409664f 34 float delay = 0;
faraonemena 0:943cf409664f 35
faraonemena 0:943cf409664f 36 // Implementa la funzione associata al Thread
faraonemena 0:943cf409664f 37 // Quando viene premuto il pulsante (mybutton == 0)
faraonemena 0:943cf409664f 38 // viene impostato il nuovo valore della variabile delay
faraonemena 0:943cf409664f 39
faraonemena 0:943cf409664f 40 // This is the function started as thread
faraonemena 0:943cf409664f 41 void button_thread(void) {
faraonemena 0:943cf409664f 42 while(true) {
faraonemena 0:943cf409664f 43 if (mybutton == 0) { // Button is pressed
faraonemena 0:943cf409664f 44 if (delay == 1.0)
faraonemena 0:943cf409664f 45 delay = 0.2; // 200 ms
faraonemena 0:943cf409664f 46 else
faraonemena 0:943cf409664f 47 delay = 1.0; // 1 sec
faraonemena 0:943cf409664f 48 wait(.2);
faraonemena 0:943cf409664f 49 }// if button
faraonemena 0:943cf409664f 50 wait(.05);
faraonemena 0:943cf409664f 51 }
faraonemena 0:943cf409664f 52 }
faraonemena 0:943cf409664f 53
faraonemena 0:943cf409664f 54 int main() {
faraonemena 0:943cf409664f 55 // Threads start here. Here it is attached the function
faraonemena 0:943cf409664f 56 thread.start(button_thread);
faraonemena 0:943cf409664f 57
faraonemena 0:943cf409664f 58 // Blinking led
faraonemena 0:943cf409664f 59 while(true) {
faraonemena 0:943cf409664f 60 myled = !myled;
faraonemena 0:943cf409664f 61 wait(delay);
faraonemena 0:943cf409664f 62 }
faraonemena 0:943cf409664f 63 }