Hotboards MX / Mbed 2 deprecated hotboards_writing_led

This program blinks a led using the write function

Dependencies:   Hotboards_leds mbed

Fork of writing by Roman Valencia

main.cpp@0:a0ed46c36cdc, 2016-02-29 (annotated)

Committer:
RomanValenciaP
Date:
Mon Feb 29 20:03:19 2016 +0000
Revision:
0:a0ed46c36cdc
first release - requires approval

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RomanValenciaP 0:a0ed46c36cdc 1
RomanValenciaP 0:a0ed46c36cdc 2 /*
RomanValenciaP 0:a0ed46c36cdc 3 * This program blinks a led but this time we will show you
RomanValenciaP 0:a0ed46c36cdc 4 * how to use the write function to manipulate the led state
RomanValenciaP 0:a0ed46c36cdc 5 * according to a variable value
RomanValenciaP 0:a0ed46c36cdc 6 *
RomanValenciaP 0:a0ed46c36cdc 7 */
RomanValenciaP 0:a0ed46c36cdc 8
RomanValenciaP 0:a0ed46c36cdc 9 #include "mbed.h"
RomanValenciaP 0:a0ed46c36cdc 10 #include "Hotboards_leds.h"
RomanValenciaP 0:a0ed46c36cdc 11
RomanValenciaP 0:a0ed46c36cdc 12 //bitRead macro taken from arduino
RomanValenciaP 0:a0ed46c36cdc 13 #define bitRead( var, bit ) (((var) >> (bit)) & 0x01)
RomanValenciaP 0:a0ed46c36cdc 14
RomanValenciaP 0:a0ed46c36cdc 15 Hotboards_leds led( PA_5 );
RomanValenciaP 0:a0ed46c36cdc 16
RomanValenciaP 0:a0ed46c36cdc 17 uint8_t counter;
RomanValenciaP 0:a0ed46c36cdc 18
RomanValenciaP 0:a0ed46c36cdc 19 int main()
RomanValenciaP 0:a0ed46c36cdc 20 {
RomanValenciaP 0:a0ed46c36cdc 21 while(1)
RomanValenciaP 0:a0ed46c36cdc 22 {
RomanValenciaP 0:a0ed46c36cdc 23 //The led will blink because we are writing the LSB
RomanValenciaP 0:a0ed46c36cdc 24 //of the variable counter which on each iteration
RomanValenciaP 0:a0ed46c36cdc 25 //is incremented by 1.
RomanValenciaP 0:a0ed46c36cdc 26 led.write( bitRead( counter , 0 ) );
RomanValenciaP 0:a0ed46c36cdc 27 wait_ms( 200 );
RomanValenciaP 0:a0ed46c36cdc 28 counter ++;
RomanValenciaP 0:a0ed46c36cdc 29 }
RomanValenciaP 0:a0ed46c36cdc 30 }