Charles Tritt / Mbed 2 deprecated PWM_Driver_Serial

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Dependencies:   mbed

main.cpp@4:ab1ec7031081, 2020-05-12 (annotated)

Committer:
CSTritt
Date:
Tue May 12 18:37:22 2020 +0000
Revision:
4:ab1ec7031081
Parent:
3:f879eeeb5e8d 
Analog input to PWM output with serial stream output to PC.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
CSTritt 0:2254358fce87 1 /*
CSTritt 4:ab1ec7031081 2 Project: PWM_Driver_Serial
CSTritt 0:2254358fce87 3 File: main.cpp
CSTritt 0:2254358fce87 4
CSTritt 4:ab1ec7031081 5 Reads from analog input, sends to PWM, streams ASCII text to std serial
CSTritt 4:ab1ec7031081 6 using printf. Use to test higher voltage and current transistor driver
CSTritt 4:ab1ec7031081 7 circuits.
CSTritt 0:2254358fce87 8
CSTritt 0:2254358fce87 9 Written by: Dr. C. S. Tritt
CSTritt 4:ab1ec7031081 10 Created: 5/12/20 (v. 1.0)
CSTritt 0:2254358fce87 11
CSTritt 0:2254358fce87 12 */
CSTritt 0:2254358fce87 13 #include "mbed.h"
CSTritt 0:2254358fce87 14
CSTritt 4:ab1ec7031081 15 const float WAIT = 0.5f; // Wait time between samples (s).
CSTritt 0:2254358fce87 16
CSTritt 4:ab1ec7031081 17 AnalogIn myAIn(A0); // Analog input, connect to pot V divider.
CSTritt 4:ab1ec7031081 18 PwmOut myPWM(D10); // PWM output, Bargraph bit 1, connect to driver.
CSTritt 0:2254358fce87 19
CSTritt 0:2254358fce87 20 DigitalOut led(LED1);
CSTritt 0:2254358fce87 21
CSTritt 0:2254358fce87 22 int main() {
CSTritt 0:2254358fce87 23 float value; // Value to be read and sent to serial port.
CSTritt 0:2254358fce87 24
CSTritt 4:ab1ec7031081 25 printf("\nAnalog to serial & PWM example.\n");
CSTritt 0:2254358fce87 26
CSTritt 0:2254358fce87 27 while(true) {
CSTritt 4:ab1ec7031081 28 value = myAIn.read(); // Read the analog input value (0 to 1)
CSTritt 4:ab1ec7031081 29 myPWM.write(value); // Write value read to PWM pin.
CSTritt 3:f879eeeb5e8d 30 printf("%f\n", value); // Send value as text via serial port.
CSTritt 3:f879eeeb5e8d 31 wait(WAIT); // Wait WAIT seconds.
CSTritt 0:2254358fce87 32 }
CSTritt 3:f879eeeb5e8d 33 }