step 3
Dependencies: mbed
main.cpp@0:dc588b6743b2, 2014-09-04 (annotated)
- Committer:
- LanierUSNA16
- Date:
- Thu Sep 04 03:05:43 2014 +0000
- Revision:
- 0:dc588b6743b2
step 3;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
LanierUSNA16 | 0:dc588b6743b2 | 1 | #include "mbed.h" |
LanierUSNA16 | 0:dc588b6743b2 | 2 | //Lab 2, step 3 |
LanierUSNA16 | 0:dc588b6743b2 | 3 | |
LanierUSNA16 | 0:dc588b6743b2 | 4 | //code given by professor |
LanierUSNA16 | 0:dc588b6743b2 | 5 | Serial pc(USBTX, USBRX); |
LanierUSNA16 | 0:dc588b6743b2 | 6 | |
LanierUSNA16 | 0:dc588b6743b2 | 7 | //establish pwmout on pin 21 |
LanierUSNA16 | 0:dc588b6743b2 | 8 | PwmOut pwmbright(p21) |
LanierUSNA16 | 0:dc588b6743b2 | 9 | |
LanierUSNA16 | 0:dc588b6743b2 | 10 | int main() |
LanierUSNA16 | 0:dc588b6743b2 | 11 | {//begin main |
LanierUSNA16 | 0:dc588b6743b2 | 12 | //set the duty cycle |
LanierUSNA16 | 0:dc588b6743b2 | 13 | duty_cycle=0.5; |
LanierUSNA16 | 0:dc588b6743b2 | 14 | //set the period |
LanierUSNA16 | 0:dc588b6743b2 | 15 | period = 0.1; |
LanierUSNA16 | 0:dc588b6743b2 | 16 | |
LanierUSNA16 | 0:dc588b6743b2 | 17 | while (1) |
LanierUSNA16 | 0:dc588b6743b2 | 18 | { |
LanierUSNA16 | 0:dc588b6743b2 | 19 | //set computer sampling rate |
LanierUSNA16 | 0:dc588b6743b2 | 20 | pc.baud(921600); |
LanierUSNA16 | 0:dc588b6743b2 | 21 | |
LanierUSNA16 | 0:dc588b6743b2 | 22 | //set the pwm duty cycle coming off pin 21 |
LanierUSNA16 | 0:dc588b6743b2 | 23 | pwmbright.write(duty_cycle); |
LanierUSNA16 | 0:dc588b6743b2 | 24 | //set the pwm period coming off pin 21 |
LanierUSNA16 | 0:dc588b6743b2 | 25 | pwmbright.period(period); |
LanierUSNA16 | 0:dc588b6743b2 | 26 | //wait 1 second before reiterating |
LanierUSNA16 | 0:dc588b6743b2 | 27 | wait(1); |
LanierUSNA16 | 0:dc588b6743b2 | 28 | |
LanierUSNA16 | 0:dc588b6743b2 | 29 | }//end while |
LanierUSNA16 | 0:dc588b6743b2 | 30 | |
LanierUSNA16 | 0:dc588b6743b2 | 31 | }//end main |