GettingStarted_with_NucleoF401RE_mbed / Mbed OS stm32nucleof401re_00_blinkled

Example code stm32nucleof401re_00_blinkled

Dependencies:   mbed-os

main.cpp@0:6d3e4f76ec5f, 2020-02-05 (annotated)

Committer:
perlatecnica
Date:
Wed Feb 05 16:56:45 2020 +0000
Revision:
0:6d3e4f76ec5f
v1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
perlatecnica 0:6d3e4f76ec5f 1 /* Copyright (c) 2019 Perlatecnica
perlatecnica 0:6d3e4f76ec5f 2 *
perlatecnica 0:6d3e4f76ec5f 3 * Licensed under the Apache License, Version 2.0 (the "License");
perlatecnica 0:6d3e4f76ec5f 4 * you may not use this file except in compliance with the License.
perlatecnica 0:6d3e4f76ec5f 5 * You may obtain a copy of the License at
perlatecnica 0:6d3e4f76ec5f 6 *
perlatecnica 0:6d3e4f76ec5f 7 * http://www.apache.org/licenses/LICENSE-2.0
perlatecnica 0:6d3e4f76ec5f 8 *
perlatecnica 0:6d3e4f76ec5f 9 * Unless required by applicable law or agreed to in writing, software
perlatecnica 0:6d3e4f76ec5f 10 * distributed under the License is distributed on an "AS IS" BASIS,
perlatecnica 0:6d3e4f76ec5f 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
perlatecnica 0:6d3e4f76ec5f 12 * See the License for the specific language governing permissions and
perlatecnica 0:6d3e4f76ec5f 13 * limitations under the License.
perlatecnica 0:6d3e4f76ec5f 14 */
perlatecnica 0:6d3e4f76ec5f 15
perlatecnica 0:6d3e4f76ec5f 16 /****************************************************
perlatecnica 0:6d3e4f76ec5f 17 * RAPID PROTOTYPING WITH NUCLEO *
perlatecnica 0:6d3e4f76ec5f 18 * Example Code 00: Blink Led *
perlatecnica 0:6d3e4f76ec5f 19 * Author: Mauro D'Angelo *
perlatecnica 0:6d3e4f76ec5f 20 * Organization: Perlatecnica *
perlatecnica 0:6d3e4f76ec5f 21 *****************************************************/
perlatecnica 0:6d3e4f76ec5f 22
perlatecnica 0:6d3e4f76ec5f 23 #include "mbed.h"
perlatecnica 0:6d3e4f76ec5f 24
perlatecnica 0:6d3e4f76ec5f 25 // It creates an instance of the DigitalOut class.
perlatecnica 0:6d3e4f76ec5f 26 // myled is the name of the variable (instance).
perlatecnica 0:6d3e4f76ec5f 27 // The instance shall 'point' to the pin LED1, that is the led on the board
perlatecnica 0:6d3e4f76ec5f 28 DigitalOut myled(LED1);
perlatecnica 0:6d3e4f76ec5f 29
perlatecnica 0:6d3e4f76ec5f 30 // Entry point
perlatecnica 0:6d3e4f76ec5f 31 int main() {
perlatecnica 0:6d3e4f76ec5f 32 // Led blinking - The led is switched on and off
perlatecnica 0:6d3e4f76ec5f 33 while(1) {
perlatecnica 0:6d3e4f76ec5f 34 myled = 1; // The LED is ON
perlatecnica 0:6d3e4f76ec5f 35 wait(0.2); // Stop the program counter here and wait for 200 ms. In the meanwhile the led is on
perlatecnica 0:6d3e4f76ec5f 36 myled = 0; // Switch-off the LED
perlatecnica 0:6d3e4f76ec5f 37 wait(1.0); // Stop the program counter here and wait for 1 ms. In the meanwhile the led is off
perlatecnica 0:6d3e4f76ec5f 38 }
perlatecnica 0:6d3e4f76ec5f 39 }
perlatecnica 0:6d3e4f76ec5f 40
perlatecnica 0:6d3e4f76ec5f 41 // EXERCISE: Modify the interval between the led status changing instructions