Example code 06
Dependencies: mbed
Fork of STMNucleoF401RE_ExampleCode_06_VariableR by
Il circuito
Diff: main.cpp
- Revision:
- 0:4a795cf05594
- Child:
- 1:25052aedb239
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Nov 02 13:55:39 2015 +0000 @@ -0,0 +1,30 @@ +/**************************************************** +* FAST PROTOTYPING WITH NUCLEO * +* Example Code 06: Variable resistor * +* Author: Mauro D'Angelo * +* Organization: Perlatecnica no-profit organization * +*****************************************************/ + +#include "mbed.h" + +// Instanzia un oggetto di tipo AnalogIn che chiamo analog_value, e lo assegna al pin A0 +AnalogIn analog_value(A0); + +DigitalOut led(LED1); + +int main() { + float meas; + + while(1) { + meas = analog_value.read(); // It reads the analog input value (value from 0.0 to 1.0) + meas = meas * 3300; // Change the value to be in the 0 to 3300 range + printf("measure = %.2f mV\r\n", meas); + if (meas > 2000) { // If the value is greater than 2V then switch the LED on + led = 1; + } + else { + led = 0; + } + wait(0.2); // 200 ms + } +}