mijimy_group
/
exercise5_7
voltmeter
Diff: main.cpp
- Revision:
- 0:1331e9500387
diff -r 000000000000 -r 1331e9500387 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Nov 13 02:16:49 2015 +0000 @@ -0,0 +1,21 @@ +#include "mbed.h" +#include "TextLCD.h" +TextLCD lcd ( p26, p25, p24, p23, p22, p21 ) ; // rs, e, d4 d5, d6, d7 +AnalogIn Ain ( p17 ) ; +int percentage ; +float voltage; +int main( ) +{ while(1) + { percentage = Ain * 100 ; + lcd.locate ( 1 , 0 ); + lcd.printf("percentage:"); + lcd.printf ("%i" , percentage) ; + voltage= Ain*3.30-0.3; + lcd.locate ( 1 , 1 ); + lcd.printf("Voltage: "); + lcd.printf ("%.1f" , voltage) ; + lcd.printf(" V"); + wait(0.02) ; + lcd.cls( ) ; + } +}