Kevin Sullivan / Mbed 2 deprecated summerlab2020q2_1

lab

Dependencies:   mbed C12832

main.cpp@2:cc5021b73dc1, 2020-07-31 (annotated)

Committer:
kevinsullivan
Date:
Fri Jul 31 20:18:44 2020 +0000
Revision:
2:cc5021b73dc1
Parent:
1:2e8c02d29418 
lab q2_1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevinsullivan 0:94dcb8c6ed26 1 #include "mbed.h"
kevinsullivan 0:94dcb8c6ed26 2 Serial pc(USBTX, USBRX); // tx, rx
kevinsullivan 0:94dcb8c6ed26 3 PwmOut led(LED1);
kevinsullivan 2:cc5021b73dc1 4 float brightness = 0.0; //brightness is a variable of type float(a real number)
kevinsullivan 2:cc5021b73dc1 5
kevinsullivan 0:94dcb8c6ed26 6 int main() {
kevinsullivan 2:cc5021b73dc1 7 pc.printf("Press 'u' to turn LED1 brightness up, 'd' to turn it down\n\r");//once off printf message
kevinsullivan 2:cc5021b73dc1 8 pc.printf(" '^' is printed each time up is selected\n\r");//once off printf message
kevinsullivan 2:cc5021b73dc1 9 pc.printf(" '<' is printed each time down is selected\n\r");//once off printf message
kevinsullivan 2:cc5021b73dc1 10 while(1) { // "do forever" while true i.e. (1)
kevinsullivan 2:cc5021b73dc1 11 char c = pc.getc(); //defines a variable c of type char and sets it to character recieved from Tera Term
kevinsullivan 2:cc5021b73dc1 12 if((c == 'u') && (brightness < 0.5)) { // is c=u, and (bool AND) less than half the brightness
kevinsullivan 2:cc5021b73dc1 13 brightness += 0.01; // brightness = brightness + 0.01
kevinsullivan 0:94dcb8c6ed26 14 led = brightness;
kevinsullivan 1:2e8c02d29418 15 pc.putc('^');// using "^" for LED brightness up
kevinsullivan 2:cc5021b73dc1 16
kevinsullivan 0:94dcb8c6ed26 17 }
kevinsullivan 2:cc5021b73dc1 18 if((c == 'd') && (brightness > 0.0)) {
kevinsullivan 2:cc5021b73dc1 19 brightness -= 0.01;//brightness = brightness - 0.01
kevinsullivan 0:94dcb8c6ed26 20 led = brightness;
kevinsullivan 2:cc5021b73dc1 21 pc.putc('<');//using " < " for down LED brightness down
kevinsullivan 0:94dcb8c6ed26 22 }
kevinsullivan 0:94dcb8c6ed26 23 }
kevinsullivan 0:94dcb8c6ed26 24 }