Example code 06
Dependencies: mbed
Fork of STMNucleoF401RE_ExampleCode_06_VariableR by
Il circuito
main.cpp@2:67c48dcc85f0, 2017-03-01 (annotated)
- Committer:
- nicolaesposito
- Date:
- Wed Mar 01 14:04:14 2017 +0000
- Revision:
- 2:67c48dcc85f0
- Parent:
- 1:25052aedb239
VERSIONE SEQUENZA LED
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
perlatecnica | 0:4a795cf05594 | 1 | /**************************************************** |
perlatecnica | 0:4a795cf05594 | 2 | * FAST PROTOTYPING WITH NUCLEO * |
perlatecnica | 0:4a795cf05594 | 3 | * Example Code 06: Variable resistor * |
perlatecnica | 0:4a795cf05594 | 4 | * Author: Mauro D'Angelo * |
STmdangelo | 1:25052aedb239 | 5 | * Organization: STMicroelectronics * |
perlatecnica | 0:4a795cf05594 | 6 | *****************************************************/ |
perlatecnica | 0:4a795cf05594 | 7 | |
perlatecnica | 0:4a795cf05594 | 8 | #include "mbed.h" |
perlatecnica | 0:4a795cf05594 | 9 | |
perlatecnica | 0:4a795cf05594 | 10 | // Instanzia un oggetto di tipo AnalogIn che chiamo analog_value, e lo assegna al pin A0 |
perlatecnica | 0:4a795cf05594 | 11 | AnalogIn analog_value(A0); |
nicolaesposito | 2:67c48dcc85f0 | 12 | BusOut Bar(PC_8,PC_6,PC_5,PA_12,PA_11,PB_12,PB_2,PB_1,PB_15,PB_14); |
perlatecnica | 0:4a795cf05594 | 13 | DigitalOut led(LED1); |
perlatecnica | 0:4a795cf05594 | 14 | |
perlatecnica | 0:4a795cf05594 | 15 | int main() { |
perlatecnica | 0:4a795cf05594 | 16 | float meas; |
perlatecnica | 0:4a795cf05594 | 17 | |
perlatecnica | 0:4a795cf05594 | 18 | while(1) { |
perlatecnica | 0:4a795cf05594 | 19 | meas = analog_value.read(); // It reads the analog input value (value from 0.0 to 1.0) |
nicolaesposito | 2:67c48dcc85f0 | 20 | |
nicolaesposito | 2:67c48dcc85f0 | 21 | // int i=int(10*meas); |
nicolaesposito | 2:67c48dcc85f0 | 22 | // |
perlatecnica | 0:4a795cf05594 | 23 | meas = meas * 3300; // Change the value to be in the 0 to 3300 range |
nicolaesposito | 2:67c48dcc85f0 | 24 | float i=(meas/330); |
nicolaesposito | 2:67c48dcc85f0 | 25 | printf("intero = %.2f \r\n", i); |
perlatecnica | 0:4a795cf05594 | 26 | printf("measure = %.2f mV\r\n", meas); |
nicolaesposito | 2:67c48dcc85f0 | 27 | |
nicolaesposito | 2:67c48dcc85f0 | 28 | // printf("calcolo i = %.2f mV\r\n", i); |
nicolaesposito | 2:67c48dcc85f0 | 29 | int j=int(i); |
nicolaesposito | 2:67c48dcc85f0 | 30 | printf("valore j = %d\n", j); |
nicolaesposito | 2:67c48dcc85f0 | 31 | Bar =1<<j; |
nicolaesposito | 2:67c48dcc85f0 | 32 | if (meas < 2500) { // If the value is greater than 2V then switch the LED on |
nicolaesposito | 2:67c48dcc85f0 | 33 | led = 1; |
perlatecnica | 0:4a795cf05594 | 34 | } |
perlatecnica | 0:4a795cf05594 | 35 | else { |
perlatecnica | 0:4a795cf05594 | 36 | led = 0; |
perlatecnica | 0:4a795cf05594 | 37 | } |
nicolaesposito | 2:67c48dcc85f0 | 38 | wait(.1); // 200 ms |
perlatecnica | 0:4a795cf05594 | 39 | } |
perlatecnica | 0:4a795cf05594 | 40 | } |