AerCloud / Aeris_DragonFly_HelloWorld

Simple Hello World program that outputs "Hello World!" every five seconds to the serial debug port, and blinks at the user defined hertz.

Dependencies:   mbed-src

main.cpp@0:4882b9e3f2cb, 2015-07-06 (annotated)

Committer:
agoel
Date:
Mon Jul 06 08:05:37 2015 +0000
Revision:
0:4882b9e3f2cb
First version - Simple Hello World program that outputs "Hello World!" every five seconds to the serial debug port, and blinks at the user defined hertz.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
agoel 0:4882b9e3f2cb 1 #include "mbed.h"
agoel 0:4882b9e3f2cb 2
agoel 0:4882b9e3f2cb 3 /* Simple Hello World program that outputs "Hello World!" every
agoel 0:4882b9e3f2cb 4 five seconds to the serial debug port, and blinks at the user
agoel 0:4882b9e3f2cb 5 defined hertz
agoel 0:4882b9e3f2cb 6 */
agoel 0:4882b9e3f2cb 7
agoel 0:4882b9e3f2cb 8 // LED blink rate: higher -> faster blinking
agoel 0:4882b9e3f2cb 9 #define LED_BLINK_RATE 8 //Hertz
agoel 0:4882b9e3f2cb 10
agoel 0:4882b9e3f2cb 11 //Define the LED pin output
agoel 0:4882b9e3f2cb 12 //DigitalOut data00(D0);
agoel 0:4882b9e3f2cb 13 DigitalOut data00(PA_3); //Blinds D0 LED
agoel 0:4882b9e3f2cb 14 //DigitalOut data01(D1);
agoel 0:4882b9e3f2cb 15 DigitalOut data01(PA_2); //Blinds D1 LED
agoel 0:4882b9e3f2cb 16 //DigitalOut data02(D2);
agoel 0:4882b9e3f2cb 17 //DigitalOut data02(PB_15); //Blinds D2 LED
agoel 0:4882b9e3f2cb 18 //DigitalOut data03(D3);
agoel 0:4882b9e3f2cb 19 DigitalOut data03(PA_0); //Blinds D3 LED
agoel 0:4882b9e3f2cb 20 //DigitalOut data04(D4);
agoel 0:4882b9e3f2cb 21 DigitalOut data04(PA_7); //Blinds D4 LED
agoel 0:4882b9e3f2cb 22 //DigitalOut data05(D5);
agoel 0:4882b9e3f2cb 23 DigitalOut data05(PA_9); //Blinds D5 LED
agoel 0:4882b9e3f2cb 24 //DigitalOut data06(D6);
agoel 0:4882b9e3f2cb 25 DigitalOut data06(PA_1); //Blinds D6 LED
agoel 0:4882b9e3f2cb 26 //DigitalOut data07(D7);
agoel 0:4882b9e3f2cb 27 DigitalOut data07(PA_8); //Blinds D7 LED
agoel 0:4882b9e3f2cb 28 //DigitalOut data08(D8);
agoel 0:4882b9e3f2cb 29 DigitalOut data08(PB_1); //Blinds D8 LED
agoel 0:4882b9e3f2cb 30 int temp;
agoel 0:4882b9e3f2cb 31
agoel 0:4882b9e3f2cb 32 //Define timers
agoel 0:4882b9e3f2cb 33 Timer print_timer;
agoel 0:4882b9e3f2cb 34 Timer led_timer;
agoel 0:4882b9e3f2cb 35
agoel 0:4882b9e3f2cb 36 int main() {
agoel 0:4882b9e3f2cb 37 data00 = 1; //Initialize LED off
agoel 0:4882b9e3f2cb 38 data01 = 1; //Initialize LED off
agoel 0:4882b9e3f2cb 39 // data02 = 1; //Initialize LED off
agoel 0:4882b9e3f2cb 40 data03 = 1; //Initialize LED off
agoel 0:4882b9e3f2cb 41 data04 = 1; //Initialize LED off
agoel 0:4882b9e3f2cb 42 data05 = 1; //Initialize LED off
agoel 0:4882b9e3f2cb 43 data06 = 1; //Initialize LED off
agoel 0:4882b9e3f2cb 44 data07 = 1; //Initialize LED off
agoel 0:4882b9e3f2cb 45 data08 = 0; //Initialize LED off
agoel 0:4882b9e3f2cb 46 print_timer.start(); //Start timers, will count until stopped
agoel 0:4882b9e3f2cb 47 led_timer.start();
agoel 0:4882b9e3f2cb 48
agoel 0:4882b9e3f2cb 49 while (1) {
agoel 0:4882b9e3f2cb 50 if (print_timer.read() >= 5) { //print_timer.read() returns time in seconds
agoel 0:4882b9e3f2cb 51 printf("Hello World!\n");
agoel 0:4882b9e3f2cb 52 print_timer.reset(); //Resets timer count to 0
agoel 0:4882b9e3f2cb 53 }
agoel 0:4882b9e3f2cb 54
agoel 0:4882b9e3f2cb 55 //Calculates interval needed for specified frequency
agoel 0:4882b9e3f2cb 56 if ( led_timer.read_ms() >= (2000.0/(2*LED_BLINK_RATE))) {
agoel 0:4882b9e3f2cb 57 temp = data01; //Invert LED output
agoel 0:4882b9e3f2cb 58 data01 = data00; //Invert LED output
agoel 0:4882b9e3f2cb 59 data00 = data03; //Invert LED output
agoel 0:4882b9e3f2cb 60 data03 = data06; //Invert LED output
agoel 0:4882b9e3f2cb 61 data06 = data08; //Invert LED output
agoel 0:4882b9e3f2cb 62 data08 = data05; //Invert LED output
agoel 0:4882b9e3f2cb 63 data05 = data04; //Invert LED output
agoel 0:4882b9e3f2cb 64 data04 = data07; //Invert LED output
agoel 0:4882b9e3f2cb 65 data07 = temp; //Invert LED output
agoel 0:4882b9e3f2cb 66 led_timer.reset(); //Resets timer count to 0
agoel 0:4882b9e3f2cb 67 }
agoel 0:4882b9e3f2cb 68 }
agoel 0:4882b9e3f2cb 69 }