Stephane Joly / Mbed 2 deprecated Lab6a

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Dependencies:   mbed Grove_LCD_RGB_Backlight

lab4b.cpp@0:468c9208499f, 2020-08-27 (annotated)

Committer:
DavidRoss
Date:
Thu Aug 27 17:18:10 2020 +0000
Revision:
0:468c9208499f
Child:
1:d800035aa2d9
good version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DavidRoss 0:468c9208499f 1 /*
DavidRoss 0:468c9208499f 2 Title: Using Pushbuttons to selectively blink a RED/Green Led
DavidRoss 0:468c9208499f 3 Author: Your Name,Student Id, Course Code, Lab Section
DavidRoss 0:468c9208499f 4 Date: Today's Date
DavidRoss 0:468c9208499f 5 Description: This program will turn ON/OFF the red led if the
DavidRoss 0:468c9208499f 6 left pushbutton is pressed or the green led if the
DavidRoss 0:468c9208499f 7 right pushbutton is pressed.
DavidRoss 0:468c9208499f 8 */
DavidRoss 0:468c9208499f 9
DavidRoss 0:468c9208499f 10 #include "mbed.h" // include the mbed library
DavidRoss 0:468c9208499f 11
DavidRoss 0:468c9208499f 12 DigitalOut led_red(LED_RED); // led_red is set to RED LED pin
DavidRoss 0:468c9208499f 13 DigitalOut led_green(LED_GREEN); // led_green is set to GREEN LED pin
DavidRoss 0:468c9208499f 14 DigitalIn left_pb(SW3); // left_pb is set to left pb pin
DavidRoss 0:468c9208499f 15 DigitalIn right_pb(SW2); // right pb is set to right pb pin
DavidRoss 0:468c9208499f 16
DavidRoss 0:468c9208499f 17 int main()
DavidRoss 0:468c9208499f 18 {
DavidRoss 0:468c9208499f 19 led_red=led_green=1; // turn red and green leds off
DavidRoss 0:468c9208499f 20 for(;;)
DavidRoss 0:468c9208499f 21 {
DavidRoss 0:468c9208499f 22 if(left_pb==0) // if left pb is pressed
DavidRoss 0:468c9208499f 23 {
DavidRoss 0:468c9208499f 24 led_red=1; // red led is off
DavidRoss 0:468c9208499f 25 wait_ms(500);
DavidRoss 0:468c9208499f 26 led_red=0; // red led is on
DavidRoss 0:468c9208499f 27 wait_ms(500);
DavidRoss 0:468c9208499f 28 }
DavidRoss 0:468c9208499f 29 else
DavidRoss 0:468c9208499f 30 if(right_pb==0) // else if rigth pb is pressed
DavidRoss 0:468c9208499f 31 {
DavidRoss 0:468c9208499f 32 led_green=1; // green led is off
DavidRoss 0:468c9208499f 33 wait_ms(500);
DavidRoss 0:468c9208499f 34 led_green=0; // green led is on
DavidRoss 0:468c9208499f 35 wait_ms(500);
DavidRoss 0:468c9208499f 36 }
DavidRoss 0:468c9208499f 37 else
DavidRoss 0:468c9208499f 38 {
DavidRoss 0:468c9208499f 39 led_red=led_green=1; // turn red and green leds off
DavidRoss 0:468c9208499f 40 }
DavidRoss 0:468c9208499f 41 }
DavidRoss 0:468c9208499f 42 }