Jason Tay / Mbed 2 deprecated mbed_quadBlinky

This is a souped up version of the basic mbed blinky, as a 2nd stepping stone up from the basic blinky and also because the documentation doesn't seem to really be that complete.

Dependencies:   mbed

Fork of mbed_quadBlinky by Jason Tay

main.cpp@0:efe13d6feef8, 2017-10-03 (annotated)

Committer:
shutay
Date:
Tue Oct 03 16:53:41 2017 +0000
Revision:
0:efe13d6feef8
Child:
1:f4e48249b980
Souped up version of the basic blinky.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shutay 0:efe13d6feef8 1 #include "mbed.h"
shutay 0:efe13d6feef8 2
shutay 0:efe13d6feef8 3 Serial pc(USBTX, USBRX);
shutay 0:efe13d6feef8 4
shutay 0:efe13d6feef8 5 DigitalOut led1(LED1);
shutay 0:efe13d6feef8 6 DigitalOut led2(LED2);
shutay 0:efe13d6feef8 7 DigitalOut led3(LED3);
shutay 0:efe13d6feef8 8 DigitalOut led4(LED4);
shutay 0:efe13d6feef8 9
shutay 0:efe13d6feef8 10 void initialise()
shutay 0:efe13d6feef8 11 {
shutay 0:efe13d6feef8 12 // Baud rate not required over USB.
shutay 0:efe13d6feef8 13 led1 = 1;
shutay 0:efe13d6feef8 14 led2 = 1;
shutay 0:efe13d6feef8 15 led3 = 1;
shutay 0:efe13d6feef8 16 led4 = 1;
shutay 0:efe13d6feef8 17 wait(1.0f);
shutay 0:efe13d6feef8 18 //*==========================================*
shutay 0:efe13d6feef8 19 // Do initialisation here
shutay 0:efe13d6feef8 20 //*==========================================*
shutay 0:efe13d6feef8 21
shutay 0:efe13d6feef8 22 //*==========================================*
shutay 0:efe13d6feef8 23 led1 = 0;
shutay 0:efe13d6feef8 24 led2 = 0;
shutay 0:efe13d6feef8 25 led3 = 0;
shutay 0:efe13d6feef8 26 led4 = 0;
shutay 0:efe13d6feef8 27 wait(1.0f);
shutay 0:efe13d6feef8 28 }
shutay 0:efe13d6feef8 29
shutay 0:efe13d6feef8 30 void updateLEDs(int val)
shutay 0:efe13d6feef8 31 {
shutay 0:efe13d6feef8 32 led1 = val & 0x01;
shutay 0:efe13d6feef8 33 led2 = (val & 0x02) >> 1;
shutay 0:efe13d6feef8 34 led3 = (val & 0x04) >> 2;
shutay 0:efe13d6feef8 35 led4 = (val & 0x08) >> 3;
shutay 0:efe13d6feef8 36 }
shutay 0:efe13d6feef8 37
shutay 0:efe13d6feef8 38 void advanceLEDs(int *val)
shutay 0:efe13d6feef8 39 {
shutay 0:efe13d6feef8 40 *val = *val << 1;
shutay 0:efe13d6feef8 41 if(*val>0x08) *val = 1;
shutay 0:efe13d6feef8 42 }
shutay 0:efe13d6feef8 43
shutay 0:efe13d6feef8 44 int main()
shutay 0:efe13d6feef8 45 {
shutay 0:efe13d6feef8 46 initialise();
shutay 0:efe13d6feef8 47
shutay 0:efe13d6feef8 48 int i = 1;
shutay 0:efe13d6feef8 49 while(1)
shutay 0:efe13d6feef8 50 {
shutay 0:efe13d6feef8 51 updateLEDs(i);
shutay 0:efe13d6feef8 52 advanceLEDs(&i);
shutay 0:efe13d6feef8 53 wait(0.5f);
shutay 0:efe13d6feef8 54 }
shutay 0:efe13d6feef8 55 }