Rob Toulson
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"
main.cpp@0:89ccf29e350d, 2012-08-31 (annotated)
- Committer:
- robt
- Date:
- Fri Aug 31 15:26:06 2012 +0000
- Revision:
- 0:89ccf29e350d
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| robt | 0:89ccf29e350d | 1 | /*Program Example 4.3: Sine wave on DAC output. View on oscilloscope |
| robt | 0:89ccf29e350d | 2 | */ |
| robt | 0:89ccf29e350d | 3 | #include "mbed.h" |
| robt | 0:89ccf29e350d | 4 | AnalogOut Aout(p18); |
| robt | 0:89ccf29e350d | 5 | float i; |
| robt | 0:89ccf29e350d | 6 | int main() |
| robt | 0:89ccf29e350d | 7 | { |
| robt | 0:89ccf29e350d | 8 | while(1) { |
| robt | 0:89ccf29e350d | 9 | for (i=0; i<2; i=i+0.05) { |
| robt | 0:89ccf29e350d | 10 | Aout=0.5+0.5*sin(i*3.14159); // Compute the sine value, + half the range |
| robt | 0:89ccf29e350d | 11 | wait(.001); // Controls the sine wave period |
| robt | 0:89ccf29e350d | 12 | } |
| robt | 0:89ccf29e350d | 13 | } |
| robt | 0:89ccf29e350d | 14 | } |
| robt | 0:89ccf29e350d | 15 |