Christina Lanier
/
MBED_lab1_Step4
step 4
step4.cpp@0:7120409e3f94, 2014-09-04 (annotated)
- Committer:
- LanierUSNA16
- Date:
- Thu Sep 04 03:06:02 2014 +0000
- Revision:
- 0:7120409e3f94
step 4
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
LanierUSNA16 | 0:7120409e3f94 | 1 | #include "mbed.h" |
LanierUSNA16 | 0:7120409e3f94 | 2 | //Lab 2, step 4 |
LanierUSNA16 | 0:7120409e3f94 | 3 | |
LanierUSNA16 | 0:7120409e3f94 | 4 | //code given by professor |
LanierUSNA16 | 0:7120409e3f94 | 5 | Serial pc(USBTX, USBRX); |
LanierUSNA16 | 0:7120409e3f94 | 6 | |
LanierUSNA16 | 0:7120409e3f94 | 7 | //establish pwmout on LED1 |
LanierUSNA16 | 0:7120409e3f94 | 8 | PwmOut pwmled(LED1); |
LanierUSNA16 | 0:7120409e3f94 | 9 | |
LanierUSNA16 | 0:7120409e3f94 | 10 | int main() |
LanierUSNA16 | 0:7120409e3f94 | 11 | {//begin main |
LanierUSNA16 | 0:7120409e3f94 | 12 | //create dutycycle variable |
LanierUSNA16 | 0:7120409e3f94 | 13 | float dutycycle=0.0; |
LanierUSNA16 | 0:7120409e3f94 | 14 | |
LanierUSNA16 | 0:7120409e3f94 | 15 | while (1) |
LanierUSNA16 | 0:7120409e3f94 | 16 | { |
LanierUSNA16 | 0:7120409e3f94 | 17 | //computer sampling rate |
LanierUSNA16 | 0:7120409e3f94 | 18 | pc.baud(921600); |
LanierUSNA16 | 0:7120409e3f94 | 19 | |
LanierUSNA16 | 0:7120409e3f94 | 20 | //prompt the user to enter the desired duty cycle, i.e. brightness of light |
LanierUSNA16 | 0:7120409e3f94 | 21 | printf("Enter \n "); |
LanierUSNA16 | 0:7120409e3f94 | 22 | //assign user input to variable 'dutycycle' |
LanierUSNA16 | 0:7120409e3f94 | 23 | scanf("%f", &dutycycle); |
LanierUSNA16 | 0:7120409e3f94 | 24 | |
LanierUSNA16 | 0:7120409e3f94 | 25 | //set the dutycle, i.e. brightness, to the user input |
LanierUSNA16 | 0:7120409e3f94 | 26 | pwmled.write(dutycycle); |
LanierUSNA16 | 0:7120409e3f94 | 27 | |
LanierUSNA16 | 0:7120409e3f94 | 28 | //wait 1 second before reiterating |
LanierUSNA16 | 0:7120409e3f94 | 29 | wait(1); |
LanierUSNA16 | 0:7120409e3f94 | 30 | |
LanierUSNA16 | 0:7120409e3f94 | 31 | }//end while |
LanierUSNA16 | 0:7120409e3f94 | 32 | |
LanierUSNA16 | 0:7120409e3f94 | 33 | |
LanierUSNA16 | 0:7120409e3f94 | 34 | }//end main |