Joseph Ellsworth / Mbed 2 deprecated Nucleo-F303K8-ADC-TEST

Reads all the ADC ports available on the Nucleo F303K8 and prints the results in Value Read, Volts and 16 bit unsigned short.

Dependencies:   mbed

Reads all ADC available on Nucleo-F303K8 and sends results to PC over USB UART.

main.cpp@2:9cc6c918161b, 2016-03-30 (annotated)

Committer:
joeata2wh
Date:
Wed Mar 30 14:49:33 2016 +0000
Revision:
2:9cc6c918161b
Parent:
1:a368dd17f04c 
update to use MIT license

Who changed what in which revision?

UserRevisionLine numberNew contents of line
joeata2wh 0:fa185766e039 1 /* Example of Reading all the ADC pins available on the Nucleo_F303K8.
joeata2wh 2:9cc6c918161b 2
joeata2wh 2:9cc6c918161b 3 By Joseph Ellsworth CTO of A2WH
joeata2wh 2:9cc6c918161b 4 Take a look at A2WH.com Producing Water from Air using Solar Energy
joeata2wh 2:9cc6c918161b 5 March-2016 License: https://developer.mbed.org/handbook/MIT-Licence
joeata2wh 2:9cc6c918161b 6 */
joeata2wh 0:fa185766e039 7
joeata2wh 1:a368dd17f04c 8 #include "mbed.h"
joeata2wh 1:a368dd17f04c 9
joeata2wh 1:a368dd17f04c 10 // Host PC Communication channels
joeata2wh 1:a368dd17f04c 11 Serial pc(USBTX, USBRX); // tx, rx
joeata2wh 1:a368dd17f04c 12
joeata2wh 0:fa185766e039 13
joeata2wh 1:a368dd17f04c 14 AnalogIn pa7(PA_7);
joeata2wh 1:a368dd17f04c 15 AnalogIn pa6(PA_6);
joeata2wh 1:a368dd17f04c 16 AnalogIn pa5(PA_5);
joeata2wh 1:a368dd17f04c 17 AnalogIn pa4(PA_4);
joeata2wh 1:a368dd17f04c 18 //AnalogIn pa2(PA_2); // conflicts with USB TX
joeata2wh 1:a368dd17f04c 19 //AnalogIn pa3(PA_3); // conflicts with USB RX
joeata2wh 1:a368dd17f04c 20 AnalogIn pa1(PA_1);
joeata2wh 1:a368dd17f04c 21 AnalogIn pa0(PA_0);
joeata2wh 1:a368dd17f04c 22 AnalogIn pb0(PB_0);
joeata2wh 1:a368dd17f04c 23 AnalogIn pb1(PB_1);
joeata2wh 0:fa185766e039 24
joeata2wh 0:fa185766e039 25 DigitalOut myled(LED1);
joeata2wh 0:fa185766e039 26 const float voltMeterARef = 3.3;
joeata2wh 0:fa185766e039 27
joeata2wh 0:fa185766e039 28 float readPrint(AnalogIn ain, char *label) {
joeata2wh 0:fa185766e039 29 float tval = ain.read();
joeata2wh 0:fa185766e039 30 float volts = tval * voltMeterARef;
joeata2wh 0:fa185766e039 31 float perc = tval * 100.0;
joeata2wh 0:fa185766e039 32 unsigned short tvalu16 = ain.read_u16 ();
joeata2wh 0:fa185766e039 33
joeata2wh 0:fa185766e039 34 printf("adc %s R=%3.3f V=%3.3f%% U16=%u\r\n",label, tval, volts, tvalu16);
joeata2wh 0:fa185766e039 35
joeata2wh 0:fa185766e039 36 return tval;
joeata2wh 0:fa185766e039 37 }
joeata2wh 0:fa185766e039 38
joeata2wh 0:fa185766e039 39
joeata2wh 0:fa185766e039 40 int main() {
joeata2wh 0:fa185766e039 41 while(1) {
joeata2wh 0:fa185766e039 42 myled = !myled; // toggle led
joeata2wh 1:a368dd17f04c 43 readPrint(pa7, "PA_7");
joeata2wh 1:a368dd17f04c 44 readPrint(pa6, "PA_6");
joeata2wh 1:a368dd17f04c 45 readPrint(pa5, "PA_5");
joeata2wh 1:a368dd17f04c 46 readPrint(pa4, "PA_4");
joeata2wh 1:a368dd17f04c 47 //readPrint(pa3, "PA_3");
joeata2wh 1:a368dd17f04c 48 //readPrint(pa2, "PA_2");
joeata2wh 1:a368dd17f04c 49 readPrint(pa1, "PA_1");
joeata2wh 1:a368dd17f04c 50 readPrint(pa0, "PA_0");
joeata2wh 0:fa185766e039 51
joeata2wh 1:a368dd17f04c 52 readPrint(pb0, "PB_0");
joeata2wh 1:a368dd17f04c 53 readPrint(pb1, "PB_1");
joeata2wh 0:fa185766e039 54 printf("\r\n\r\n");
joeata2wh 1:a368dd17f04c 55 wait(7.0);
joeata2wh 0:fa185766e039 56 }
joeata2wh 0:fa185766e039 57 }