Nicolas KIEGER / Mbed 2 deprecated Testeur_de_pile

Coding a little battery tester using ADC and a QAPASS 1602A screen

Dependencies:   mbed

main.cpp@1:bec750608f0b, 2018-03-21 (annotated)

Committer:
NicoK3
Date:
Wed Mar 21 19:50:47 2018 +0000
Revision:
1:bec750608f0b
Parent:
0:288158795e8d 
Screen in place and code written but nothing shows;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NicoK3 0:288158795e8d 1 #include "mbed.h"
NicoK3 1:bec750608f0b 2 #include "TextLCD.h"
NicoK3 0:288158795e8d 3
NicoK3 0:288158795e8d 4 AnalogIn analog_value(A0);
NicoK3 0:288158795e8d 5 Serial pc(USBTX, USBRX);
NicoK3 0:288158795e8d 6
NicoK3 0:288158795e8d 7 DigitalOut led(LED1);
NicoK3 1:bec750608f0b 8 TextLCD LCD(PA_0,PA_1,PA_4,PB_0,PC_1,PC_0);
NicoK3 0:288158795e8d 9
NicoK3 0:288158795e8d 10 int main()
NicoK3 0:288158795e8d 11 {
NicoK3 0:288158795e8d 12 float meas_r;
NicoK3 0:288158795e8d 13 float meas_v;
NicoK3 0:288158795e8d 14
NicoK3 1:bec750608f0b 15 LCD.printf("HelloWorld");
NicoK3 1:bec750608f0b 16
NicoK3 0:288158795e8d 17 pc.printf("\n\rAnalogIn example\n\r");
NicoK3 0:288158795e8d 18
NicoK3 1:bec750608f0b 19 while(1)
NicoK3 1:bec750608f0b 20 {
NicoK3 0:288158795e8d 21
NicoK3 0:288158795e8d 22 meas_r = analog_value.read(); // Read the analog input value (value from 0.0 to 1.0 = full ADC conversion range)
NicoK3 0:288158795e8d 23 meas_v = meas_r * 3300; // Converts value in the 0V-3.3V range
NicoK3 0:288158795e8d 24
NicoK3 0:288158795e8d 25 // Display values
NicoK3 0:288158795e8d 26 pc.printf("measure = %f = %.0f mV\n\r", meas_r, meas_v);
NicoK3 1:bec750608f0b 27 LCD.locate(0,1);
NicoK3 1:bec750608f0b 28 LCD.printf("Tension = %f mV", meas_v);
NicoK3 0:288158795e8d 29 // LED is ON is the value is below 1V
NicoK3 1:bec750608f0b 30 if (meas_v < 1000)
NicoK3 1:bec750608f0b 31 {
NicoK3 0:288158795e8d 32 led = 1; // LED ON
NicoK3 1:bec750608f0b 33 }
NicoK3 1:bec750608f0b 34 else
NicoK3 1:bec750608f0b 35 {
NicoK3 0:288158795e8d 36 led = 0; // LED OFF
NicoK3 0:288158795e8d 37 }
NicoK3 0:288158795e8d 38
NicoK3 0:288158795e8d 39 wait(1.0); // 1 second
NicoK3 0:288158795e8d 40 }
NicoK3 1:bec750608f0b 41
NicoK3 1:bec750608f0b 42 return 0;
NicoK3 0:288158795e8d 43 }