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@1:a368dd17f04c, 2016-03-21 (annotated)

Committer:
joeata2wh
Date:
Mon Mar 21 00:05:14 2016 +0000
Revision:
1:a368dd17f04c
Parent:
0:fa185766e039
Child:
2:9cc6c918161b
Fix to remove conflict with USB RX, TX pins

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 0:fa185766e039 2 by Joseph Ellsworth CTO A2WH - Free for all but no warranty, no promises */
joeata2wh 0:fa185766e039 3
joeata2wh 1:a368dd17f04c 4 #include "mbed.h"
joeata2wh 1:a368dd17f04c 5
joeata2wh 1:a368dd17f04c 6 // Host PC Communication channels
joeata2wh 1:a368dd17f04c 7 Serial pc(USBTX, USBRX); // tx, rx
joeata2wh 1:a368dd17f04c 8
joeata2wh 0:fa185766e039 9
joeata2wh 1:a368dd17f04c 10 AnalogIn pa7(PA_7);
joeata2wh 1:a368dd17f04c 11 AnalogIn pa6(PA_6);
joeata2wh 1:a368dd17f04c 12 AnalogIn pa5(PA_5);
joeata2wh 1:a368dd17f04c 13 AnalogIn pa4(PA_4);
joeata2wh 1:a368dd17f04c 14 //AnalogIn pa2(PA_2); // conflicts with USB TX
joeata2wh 1:a368dd17f04c 15 //AnalogIn pa3(PA_3); // conflicts with USB RX
joeata2wh 1:a368dd17f04c 16 AnalogIn pa1(PA_1);
joeata2wh 1:a368dd17f04c 17 AnalogIn pa0(PA_0);
joeata2wh 1:a368dd17f04c 18 AnalogIn pb0(PB_0);
joeata2wh 1:a368dd17f04c 19 AnalogIn pb1(PB_1);
joeata2wh 0:fa185766e039 20
joeata2wh 0:fa185766e039 21 DigitalOut myled(LED1);
joeata2wh 0:fa185766e039 22 const float voltMeterARef = 3.3;
joeata2wh 0:fa185766e039 23
joeata2wh 0:fa185766e039 24 float readPrint(AnalogIn ain, char *label) {
joeata2wh 0:fa185766e039 25 float tval = ain.read();
joeata2wh 0:fa185766e039 26 float volts = tval * voltMeterARef;
joeata2wh 0:fa185766e039 27 float perc = tval * 100.0;
joeata2wh 0:fa185766e039 28 unsigned short tvalu16 = ain.read_u16 ();
joeata2wh 0:fa185766e039 29
joeata2wh 0:fa185766e039 30 printf("adc %s R=%3.3f V=%3.3f%% U16=%u\r\n",label, tval, volts, tvalu16);
joeata2wh 0:fa185766e039 31
joeata2wh 0:fa185766e039 32 return tval;
joeata2wh 0:fa185766e039 33 }
joeata2wh 0:fa185766e039 34
joeata2wh 0:fa185766e039 35
joeata2wh 0:fa185766e039 36 int main() {
joeata2wh 0:fa185766e039 37 while(1) {
joeata2wh 0:fa185766e039 38 myled = !myled; // toggle led
joeata2wh 1:a368dd17f04c 39 readPrint(pa7, "PA_7");
joeata2wh 1:a368dd17f04c 40 readPrint(pa6, "PA_6");
joeata2wh 1:a368dd17f04c 41 readPrint(pa5, "PA_5");
joeata2wh 1:a368dd17f04c 42 readPrint(pa4, "PA_4");
joeata2wh 1:a368dd17f04c 43 //readPrint(pa3, "PA_3");
joeata2wh 1:a368dd17f04c 44 //readPrint(pa2, "PA_2");
joeata2wh 1:a368dd17f04c 45 readPrint(pa1, "PA_1");
joeata2wh 1:a368dd17f04c 46 readPrint(pa0, "PA_0");
joeata2wh 0:fa185766e039 47
joeata2wh 1:a368dd17f04c 48 readPrint(pb0, "PB_0");
joeata2wh 1:a368dd17f04c 49 readPrint(pb1, "PB_1");
joeata2wh 0:fa185766e039 50 printf("\r\n\r\n");
joeata2wh 1:a368dd17f04c 51 wait(7.0);
joeata2wh 0:fa185766e039 52 }
joeata2wh 0:fa185766e039 53 }