FRA221_2015
/
Nucleo_read_analog_value
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Dependencies: mbed
Revision 2:3ff3ecfd9c70, committed 2015-10-13
- Comitter:
- Pitiwut
- Date:
- Tue Oct 13 08:20:27 2015 +0000
- Parent:
- 1:f8fedb15be2e
- Commit message:
- Recommit
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Tue Oct 13 07:56:51 2015 +0000
+++ b/main.cpp Tue Oct 13 08:20:27 2015 +0000
@@ -2,114 +2,20 @@
AnalogIn analog_value(A0);
-DigitalOut led1(D13);
-DigitalOut led2(D12);
-DigitalOut led3(D11);
-DigitalOut led4(D10);
-DigitalOut led5(D9);
-DigitalOut led6(D8);
-DigitalOut led7(D7);
-DigitalOut led8(D6);
-
+DigitalOut led(LED1);
+
int main() {
- double meas;
+ float meas;
while(1) {
meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
- meas = meas*3.3;
- if (meas >= 0 && meas < 0.17)
- { led1 = 0;
- led2 = 0;
- led3 = 0;
- led4 = 0;
- led5 = 0;
- led6 = 0;
- led7 = 0;
- led8 = 0;
- }
-
- else if (meas > 0.17 && meas <= 0.23571429)
- { // If the value is greater than 2V then switch the LED on
- led1 = 1;
- led2 = 0;
- led3 = 0;
- led4 = 0;
- led5 = 0;
- led6 = 0;
- led7 = 0;
- led8 = 0;
- }
- else if (meas > 0.23571429 && meas <= 0.70714286)
- { led1 = 1;
- led2 = 1;
- led3 = 0;
- led4 = 0;
- led5 = 0;
- led6 = 0;
- led7 = 0;
- led8 = 0;
- }
- else if (meas > 0.70714286 && meas <= 1.17857143)
- { led1 = 1;
- led2 = 1;
- led3 = 1;
- led4 = 0;
- led5 = 0;
- led6 = 0;
- led7 = 0;
- led8 = 0;
+ meas = meas * 3300; // Change the value to be in the 0 to 3300 range
+ if (meas > 2000) { // If the value is greater than 2V then switch the LED on
+ led = 1;
}
- else if (meas > 1.17857143 && meas <= 1.65)
- { led1 = 1;
- led2 = 1;
- led3 = 1;
- led4 = 1;
- led5 = 0;
- led6 = 0;
- led7 = 0;
- led8 = 0;
- }
- else if (meas > 1.65 && meas <= 2.12142857)
- { led1 = 1;
- led2 = 1;
- led3 = 1;
- led4 = 1;
- led5 = 1;
- led6 = 0;
- led7 = 0;
- led8 = 0;
+ else {
+ led = 0;
}
- else if (meas > 2.12142857 && meas <= 2.59285714)
- { led1 = 1;
- led2 = 1;
- led3 = 1;
- led4 = 1;
- led5 = 1;
- led6 = 1;
- led7 = 0;
- led8 = 0;
- }
- else if (meas > 2.59285714 && meas <= 3.06428571)
- { led1 = 1;
- led2 = 1;
- led3 = 1;
- led4 = 1;
- led5 = 1;
- led6 = 1;
- led7 = 1;
- led8 = 0;
-
- }
- else if (meas > 3.06428571 && meas <= 3.53571428)
- { led1 = 1;
- led2 = 1;
- led3 = 1;
- led4 = 1;
- led5 = 1;
- led6 = 1;
- led7 = 1;
- led8 = 1;
- }
-
+ wait(0.2); // 200 ms
}
-}
+}
\ No newline at end of file