Stage-1 Students SoCEM
/
Task323
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependencies: mbed
main.cpp@0:1d174f559653, 2015-09-24 (annotated)
- Committer:
- noutram
- Date:
- Thu Sep 24 12:25:45 2015 +0000
- Revision:
- 0:1d174f559653
Initial version 24-09-2015
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| noutram | 0:1d174f559653 | 1 | #include "mbed.h" |
| noutram | 0:1d174f559653 | 2 | |
| noutram | 0:1d174f559653 | 3 | DigitalOut red_led(D7); |
| noutram | 0:1d174f559653 | 4 | DigitalOut yellow_led(D6); |
| noutram | 0:1d174f559653 | 5 | DigitalOut green_led(D5); |
| noutram | 0:1d174f559653 | 6 | DigitalIn SW1(D4); |
| noutram | 0:1d174f559653 | 7 | |
| noutram | 0:1d174f559653 | 8 | //This is the solution based on the proposed flowchart. |
| noutram | 0:1d174f559653 | 9 | //The precise delay required may need adjusting |
| noutram | 0:1d174f559653 | 10 | |
| noutram | 0:1d174f559653 | 11 | int main() { |
| noutram | 0:1d174f559653 | 12 | |
| noutram | 0:1d174f559653 | 13 | //Switch on Yellow and Green to indicate |
| noutram | 0:1d174f559653 | 14 | //that the code is running |
| noutram | 0:1d174f559653 | 15 | yellow_led = 1; |
| noutram | 0:1d174f559653 | 16 | green_led = 1; |
| noutram | 0:1d174f559653 | 17 | red_led = 0; //Set RED LED to OFF |
| noutram | 0:1d174f559653 | 18 | |
| noutram | 0:1d174f559653 | 19 | // Wait for SW1 to be pressed |
| noutram | 0:1d174f559653 | 20 | while (SW1 == 0) { } |
| noutram | 0:1d174f559653 | 21 | |
| noutram | 0:1d174f559653 | 22 | //Insert a small delay to reduce switch bounce effects |
| noutram | 0:1d174f559653 | 23 | wait(0.05); |
| noutram | 0:1d174f559653 | 24 | |
| noutram | 0:1d174f559653 | 25 | // Wait for SW1 to be released |
| noutram | 0:1d174f559653 | 26 | while (SW1 == 1) { } |
| noutram | 0:1d174f559653 | 27 | |
| noutram | 0:1d174f559653 | 28 | red_led = 1; //Turn ON LED |
| noutram | 0:1d174f559653 | 29 | |
| noutram | 0:1d174f559653 | 30 | while (1) { } //Repeat forever |
| noutram | 0:1d174f559653 | 31 | } |