3HYUN
/
F103_Nucleo_RFID
TEST
main.cpp@1:0490a15c76e4, 2015-03-12 (annotated)
- Committer:
- bcostm
- Date:
- Thu Mar 12 08:15:56 2015 +0000
- Revision:
- 1:0490a15c76e4
- Parent:
- 0:c2d1ad5059da
Simplification.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bcostm | 0:c2d1ad5059da | 1 | #include "mbed.h" |
bcostm | 0:c2d1ad5059da | 2 | |
bcostm | 0:c2d1ad5059da | 3 | AnalogIn analog_value(A0); |
bcostm | 0:c2d1ad5059da | 4 | |
bcostm | 1:0490a15c76e4 | 5 | DigitalOut led(LED1); |
bcostm | 1:0490a15c76e4 | 6 | |
bcostm | 0:c2d1ad5059da | 7 | int main() { |
bcostm | 1:0490a15c76e4 | 8 | float meas; |
bcostm | 1:0490a15c76e4 | 9 | |
bcostm | 1:0490a15c76e4 | 10 | printf("\nAnalogIn example\n"); |
bcostm | 1:0490a15c76e4 | 11 | |
bcostm | 1:0490a15c76e4 | 12 | while(1) { |
bcostm | 1:0490a15c76e4 | 13 | meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0) |
bcostm | 1:0490a15c76e4 | 14 | meas = meas * 3300; // Change the value to be in the 0 to 3300 range |
bcostm | 1:0490a15c76e4 | 15 | printf("measure = %.0f mV\n", meas); |
bcostm | 1:0490a15c76e4 | 16 | if (meas > 2000) { // If the value is greater than 2V then switch the LED on |
bcostm | 1:0490a15c76e4 | 17 | led = 1; |
bcostm | 1:0490a15c76e4 | 18 | } |
bcostm | 1:0490a15c76e4 | 19 | else { |
bcostm | 1:0490a15c76e4 | 20 | led = 0; |
bcostm | 0:c2d1ad5059da | 21 | } |
bcostm | 0:c2d1ad5059da | 22 | wait(0.2); // 200 ms |
bcostm | 0:c2d1ad5059da | 23 | } |
bcostm | 0:c2d1ad5059da | 24 | } |