Mark Dennehy / Mbed 2 deprecated INS_LAB_1_serial_comms

Serial communication program

Dependencies:   mbed

Serial.cpp@0:2f8376278c8a, 2020-08-01 (annotated)

Committer:
T00209563
Date:
Sat Aug 01 15:37:18 2020 +0000
Revision:
0:2f8376278c8a
Serial communication program to  terra term

Who changed what in which revision?

UserRevisionLine numberNew contents of line
T00209563 0:2f8376278c8a 1 #include "mbed.h"
T00209563 0:2f8376278c8a 2
T00209563 0:2f8376278c8a 3 Serial pc(USBTX,USBRX); //defines an object called pc of serial class, and points it at the usb port
T00209563 0:2f8376278c8a 4 PwmOut led(LED1); //pulse width modulation
T00209563 0:2f8376278c8a 5 float brightness = 0.0; //brightness ia a variable of type float
T00209563 0:2f8376278c8a 6
T00209563 0:2f8376278c8a 7
T00209563 0:2f8376278c8a 8 int main()
T00209563 0:2f8376278c8a 9 {
T00209563 0:2f8376278c8a 10 pc.printf ("Press 'u' = brighter, 'd' = dimmer\n\r"); //outputs a message at the start
T00209563 0:2f8376278c8a 11
T00209563 0:2f8376278c8a 12 while(1) {
T00209563 0:2f8376278c8a 13
T00209563 0:2f8376278c8a 14 char c = pc.getc ();
T00209563 0:2f8376278c8a 15 if (( c =='u') && (brightness < 0.5)) {
T00209563 0:2f8376278c8a 16 brightness += 0.01;
T00209563 0:2f8376278c8a 17 pc.putc('^'); // when U is pressed ^ is printed to the screen
T00209563 0:2f8376278c8a 18 led = brightness;
T00209563 0:2f8376278c8a 19 }
T00209563 0:2f8376278c8a 20 if (( c =='d') && (brightness > 0.0)) {
T00209563 0:2f8376278c8a 21 brightness -= 0.01;
T00209563 0:2f8376278c8a 22 pc.putc('V'); // when d is pressed V is printed to the screen
T00209563 0:2f8376278c8a 23 led = brightness;
T00209563 0:2f8376278c8a 24 }
T00209563 0:2f8376278c8a 25
T00209563 0:2f8376278c8a 26 }
T00209563 0:2f8376278c8a 27 }