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main.cpp
- Committer:
- mijimy
- Date:
- 2016-01-18
- Revision:
- 3:999285691154
- Parent:
- 1:0490a15c76e4
- Child:
- 4:cad5a10b7007
File content as of revision 3:999285691154:
#include "mbed.h"
#include "TextLCD.h"
TextLCD lcd(p9,p10);
AnalogIn analog_value(p20);
Serial pc ( USBTX , USBRX ) ;
DigitalOut led(LED1);
int main() {
float meas;
printf("\nAnalogIn example\n");
while(1) {
meas = analog_value; // Converts and read the analog input value (value from 0.0 to 1.0)
meas = meas * 3.3; // Change the value to be in the 0 to 3300 range
printf("measure = %.3f V\n", meas);
lcd.locate(4,2);
lcd.printf("measure = %.3f V", meas);
if (meas > 2) { // If the value is greater than 2V then switch the LED on
led = 1;
}
else {
led = 0;
}
wait(0.5); // 200 ms
}
}