mbed Weather Station for Weatherduino on mbeduino http://mbed.org/users/okini3939/notebook/weatherduino-on-mbed/
Revision 2:920a4e65129d, committed 2010-10-12
- Comitter:
- okini3939
- Date:
- Tue Oct 12 16:44:01 2010 +0000
- Parent:
- 1:23400c328a71
- Commit message:
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 23400c328a71 -r 920a4e65129d main.cpp --- a/main.cpp Tue Oct 12 16:07:08 2010 +0000 +++ b/main.cpp Tue Oct 12 16:44:01 2010 +0000 @@ -12,12 +12,28 @@ DigitalOut myled(LED1); Serial pc(USBTX, USBRX); AnalogIn photo(p18); +AnalogIn moist(p16); +AnalogIn uv(p15); float get_photo (AnalogIn &ain) { float f; f = ain * 5.0 / 1000; // A - return f / 0.0000026; + return f / 0.0000026; // lx +} + +float get_moist (AnalogIn &ain) { + float f; + + f = ain * 5.0; // V + return f / ((3.3 - f) / 10.0); // k ohm +} + +float get_uv (AnalogIn &ain) { + float f; + + f = ain * 5.0 / 100000; // A + return f / 0.000384; // mW/cm2 } int main() { @@ -32,7 +48,9 @@ pc.printf("a:%6.2f m/s / v:%6.2f / r:%6.2f mm\n", wmeters.get_windspeed(), wmeters.get_windvane(), wmeters.get_raingauge()); - pc.printf("l:%6.2f lux\n", get_photo(photo)); + pc.printf("l:%6.2f lx\n", get_photo(photo)); + pc.printf("l:%6.2f k ohm\n", get_moist(moist)); + pc.printf("l:%6.2f mW/cm2\n", get_uv(uv)); myled = 0; wait(10);