IEEE TAMU MCC / Mbed 2 deprecated mbed_DAC

ADC workshop example code (DAC) IEEE TAMU

Dependencies:   mbed

Fork of mbed_DAC by Matthew DeStefano

main.cpp@0:0c6c66dabc1c, 2015-04-03 (annotated)

Committer:
matthewrdestefano
Date:
Fri Apr 03 21:09:53 2015 +0000
Revision:
0:0c6c66dabc1c
DAC example code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
matthewrdestefano 0:0c6c66dabc1c 1 #include "mbed.h"
matthewrdestefano 0:0c6c66dabc1c 2 AnalogIn voltage(PTB0); // set the analog input to pin PTB0
matthewrdestefano 0:0c6c66dabc1c 3 AnalogOut DACout(PTE30); // set Analog output pin to PTE30
matthewrdestefano 0:0c6c66dabc1c 4 int main(void) {
matthewrdestefano 0:0c6c66dabc1c 5
matthewrdestefano 0:0c6c66dabc1c 6 PwmOut led(LED_RED); // set green LED as PWM output
matthewrdestefano 0:0c6c66dabc1c 7 while (true) // infinite loop
matthewrdestefano 0:0c6c66dabc1c 8 {
matthewrdestefano 0:0c6c66dabc1c 9 DACout = DACout + 0.01; // increase the analog output
matthewrdestefano 0:0c6c66dabc1c 10 if(DACout >= 1.0) // if we reach 100% output
matthewrdestefano 0:0c6c66dabc1c 11 {
matthewrdestefano 0:0c6c66dabc1c 12 DACout = 0; // go back to the begining
matthewrdestefano 0:0c6c66dabc1c 13 }
matthewrdestefano 0:0c6c66dabc1c 14 led = 1.0 - voltage.read(); // update the LED brightness with ADC data
matthewrdestefano 0:0c6c66dabc1c 15 wait(0.02); // wait 1/50th of a second
matthewrdestefano 0:0c6c66dabc1c 16 }
matthewrdestefano 0:0c6c66dabc1c 17 }
matthewrdestefano 0:0c6c66dabc1c 18
matthewrdestefano 0:0c6c66dabc1c 19
matthewrdestefano 0:0c6c66dabc1c 20