VagusNerds / Mbed 2 deprecated ADC_CurrentMeasurement

ADC Current Measurement via serial port

Dependencies:   mbed

main.cpp@3:8de0f40cba05, 2017-04-25 (annotated)

Committer:
debag
Date:
Tue Apr 25 15:13:25 2017 +0000
Revision:
3:8de0f40cba05
Parent:
2:08c13f9a3d5c 
ADC-Serial Recording

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bcostm 0:028fac66239d 1 #include "mbed.h"
bcostm 1:e9d1c42a73ae 2
bcostm 1:e9d1c42a73ae 3 //------------------------------------
bcostm 1:e9d1c42a73ae 4 // Hyperterminal configuration
bcostm 1:e9d1c42a73ae 5 // 9600 bauds, 8-bit data, no parity
bcostm 1:e9d1c42a73ae 6 //------------------------------------
debag 3:8de0f40cba05 7 AnalogIn analog_value(A0);
debag 3:8de0f40cba05 8 AnalogIn analog_value2(A1);
bcostm 1:e9d1c42a73ae 9
debag 3:8de0f40cba05 10 DigitalOut led(LED1);
bcostm 0:028fac66239d 11 Serial pc(SERIAL_TX, SERIAL_RX);
bcostm 2:08c13f9a3d5c 12
bcostm 0:028fac66239d 13 DigitalOut myled(LED1);
bcostm 2:08c13f9a3d5c 14
bcostm 2:08c13f9a3d5c 15 int main()
bcostm 2:08c13f9a3d5c 16 {
bcostm 2:08c13f9a3d5c 17 int i = 1;
debag 3:8de0f40cba05 18 int tim = 0;
debag 3:8de0f40cba05 19 float vbat;
debag 3:8de0f40cba05 20 float meas;
debag 3:8de0f40cba05 21 float average;
debag 3:8de0f40cba05 22 float sum;
debag 3:8de0f40cba05 23 float current;
debag 3:8de0f40cba05 24 //pc.printf("Hello World !\n");
debag 3:8de0f40cba05 25 pc.printf("Time\t Vbat \t Current \n ", tim);
bcostm 2:08c13f9a3d5c 26 while(1) {
debag 3:8de0f40cba05 27
debag 3:8de0f40cba05 28 for (int i=0; i<1000; i++) {
debag 3:8de0f40cba05 29
debag 3:8de0f40cba05 30 meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
debag 3:8de0f40cba05 31 meas = meas * 3300; // Change the value to be in the 0 to 3300 range
debag 3:8de0f40cba05 32 //printf("measure = %.0f mV\n", meas);
debag 3:8de0f40cba05 33 sum=sum+meas;
debag 3:8de0f40cba05 34
debag 3:8de0f40cba05 35 if (meas > 2000) { // If the value is greater than 2V then switch the LED on
debag 3:8de0f40cba05 36 led = 1;
debag 3:8de0f40cba05 37 } else {
debag 3:8de0f40cba05 38 led = 0;
debag 3:8de0f40cba05 39 }
debag 3:8de0f40cba05 40 wait_ms(1);// 200 ms
debag 3:8de0f40cba05 41 }
debag 3:8de0f40cba05 42 vbat = analog_value2.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
debag 3:8de0f40cba05 43 vbat = vbat * 3.300*2; // Change the value to be in the 0 to 3300 range by 2 because of voltage divider
debag 3:8de0f40cba05 44 average=sum/1000;
debag 3:8de0f40cba05 45 sum=0;
debag 3:8de0f40cba05 46 current=(average /10);//-0.96;
debag 3:8de0f40cba05 47 tim+=1;
debag 3:8de0f40cba05 48 pc.printf(" %d \t", tim);
debag 3:8de0f40cba05 49 pc.printf(" %.2f \t", vbat);
debag 3:8de0f40cba05 50 pc.printf(" %.2f; \n", current);
debag 3:8de0f40cba05 51
bcostm 2:08c13f9a3d5c 52 myled = !myled;
bcostm 2:08c13f9a3d5c 53 }
bcostm 0:028fac66239d 54 }