Cortex Challenge Team / Mbed 2 deprecated Nucleo_read_analog_set

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Dependencies:   mbed

Fork of Nucleo-Analog_read by Cortex Challenge Team

main.cpp@0:242976b62902, 2015-03-12 (annotated)

Committer:
dousape2
Date:
Thu Mar 12 23:40:48 2015 +0000
Revision:
0:242976b62902
Child:
1:dc5a274adc7d
Analog read with 3 posibility

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dousape2 0:242976b62902 1 #include "mbed.h"
dousape2 0:242976b62902 2
dousape2 0:242976b62902 3 #define voltage 3300
dousape2 0:242976b62902 4 #define mv1(x) (x*voltage)
dousape2 0:242976b62902 5 #define mv2(x) ((x*voltage)/0xFFFF)
dousape2 0:242976b62902 6 #define mv3(x) (x*voltage)
dousape2 0:242976b62902 7 AnalogIn analog_value(A0);
dousape2 0:242976b62902 8
dousape2 0:242976b62902 9 DigitalOut led(LED1);
dousape2 0:242976b62902 10
dousape2 0:242976b62902 11 int main()
dousape2 0:242976b62902 12 {
dousape2 0:242976b62902 13 float meas1;
dousape2 0:242976b62902 14 int meas2;
dousape2 0:242976b62902 15 float meas3;
dousape2 0:242976b62902 16
dousape2 0:242976b62902 17 printf("\nAnalogIn example\n");
dousape2 0:242976b62902 18
dousape2 0:242976b62902 19 while(1) {
dousape2 0:242976b62902 20 meas1 = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
dousape2 0:242976b62902 21 meas1 = mv1(meas1); // Change the value to be in the 0 to 3300 range
dousape2 0:242976b62902 22
dousape2 0:242976b62902 23 meas2 = analog_value.read_u16(); // Converts and read the analog input value (value from 0.0 to 0xFFFF)
dousape2 0:242976b62902 24 meas2 = mv2(meas2); // Change the value to be in the 0 to 3300 range
dousape2 0:242976b62902 25
dousape2 0:242976b62902 26 meas3 = analog_value; // Converts and read the analog input value (value from 0.0 to 1.0)
dousape2 0:242976b62902 27 meas3 = mv3(meas3); // Change the value to be in the 0 to 3300 range
dousape2 0:242976b62902 28
dousape2 0:242976b62902 29 printf("measure = %.0f mV, %d mV, %.0f mV\n", meas1,meas2,meas3);
dousape2 0:242976b62902 30 if (meas1 > 2000 && meas2 > 2000 && meas3 > 2000) { // If the value is greater than 2V then switch the LED on
dousape2 0:242976b62902 31 led = 1;
dousape2 0:242976b62902 32 } else {
dousape2 0:242976b62902 33 led = 0;
dousape2 0:242976b62902 34 }
dousape2 0:242976b62902 35 wait(0.2); // 200 ms
dousape2 0:242976b62902 36 }
dousape2 0:242976b62902 37 }