Justin Jordan
/
MAX32630FTHR_SqwvGen
Simple square wave generator using MAX32630FTHR and a potentiometer.
Revision 1:649584ec899f, committed 2017-07-05
- Comitter:
- j3
- Date:
- Wed Jul 05 23:37:13 2017 +0000
- Parent:
- 0:bcb65a6f0e8a
- Commit message:
- fix
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r bcb65a6f0e8a -r 649584ec899f main.cpp --- a/main.cpp Wed Jul 05 22:49:24 2017 +0000 +++ b/main.cpp Wed Jul 05 23:37:13 2017 +0000 @@ -46,7 +46,7 @@ float volts = 0.0F; float period = 0.0F; - pwmOut.period_us(period); + pwmOut.period(period); printf("\033[H"); //home printf("\033[0J"); //erase from cursor to end of screen @@ -61,18 +61,17 @@ //Get ADC value in volts volts = ((6.0F * rawADCdata) / 1023.0F); - //convert to percentage for pwm - period = (volts / 3.3F); - if(period > 1.0F) - { - period = 1.0F; - } - pwmOut.period_us(period); + //convert to period in seconds for pwm + period = (1.0F / ((300.0F * volts) + 10.0F)); + + //Update sqwv period + pwmOut.period(period); + pwmOut.write(0.5F); //Display data printf("Raw Data = 0x%04x\r\n", rawADCdata); printf("Volts = %3.2f\r\n", volts); - printf("Period = %3.2f\r\n", period); + printf("Period = %5.4f\r\n", period); printf("\033[H"); //home wait(0.1F);