Bryce Himebaugh / Mbed OS motor_buffer

Pager Motor Example

main.cpp@4:aaa50ac098c9, 2021-12-03 (annotated)

Committer:
bhimebau
Date:
Fri Dec 03 14:09:19 2021 +0000
Revision:
4:aaa50ac098c9
Parent:
3:2e70eaa59446
Child:
5:e2c4377fac6d
increased the PWM frequency;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bhimebau 0:f7d9662c6d11 1
bhimebau 0:f7d9662c6d11 2 #include "mbed.h"
bhimebau 0:f7d9662c6d11 3 #include "platform/mbed_thread.h"
bhimebau 0:f7d9662c6d11 4 #include <string.h>
bhimebau 0:f7d9662c6d11 5
bhimebau 4:aaa50ac098c9 6 // PWM Frequency
bhimebau 4:aaa50ac098c9 7 #define PFREQ 500.0
bhimebau 4:aaa50ac098c9 8
bhimebau 0:f7d9662c6d11 9
bhimebau 0:f7d9662c6d11 10 Serial pc(USBTX, USBRX); // tx, rx
bhimebau 2:007b4fa1f64e 11 PwmOut p1(PA_8);
bhimebau 0:f7d9662c6d11 12
bhimebau 0:f7d9662c6d11 13 int main()
bhimebau 0:f7d9662c6d11 14 {
bhimebau 0:f7d9662c6d11 15 char cmd[80];
bhimebau 0:f7d9662c6d11 16 char ch;
bhimebau 0:f7d9662c6d11 17 unsigned char index = 0;
bhimebau 0:f7d9662c6d11 18
bhimebau 0:f7d9662c6d11 19 // Initialise the digital pin LED1 as an output
bhimebau 0:f7d9662c6d11 20 DigitalOut led(LED1);
bhimebau 4:aaa50ac098c9 21 p1.period((float)1/PFREQ);
bhimebau 2:007b4fa1f64e 22 p1.write(0.0);
bhimebau 3:2e70eaa59446 23 pc.printf("\n\rMotor> ");
bhimebau 0:f7d9662c6d11 24 while (true) {
bhimebau 0:f7d9662c6d11 25
bhimebau 0:f7d9662c6d11 26 ch = pc.getc();
bhimebau 0:f7d9662c6d11 27 index = 0;
bhimebau 0:f7d9662c6d11 28 while ((ch != '\n') && (ch != '\r')) {
bhimebau 0:f7d9662c6d11 29 pc.putc(ch);
bhimebau 0:f7d9662c6d11 30 cmd[index++] = ch;
bhimebau 0:f7d9662c6d11 31 ch = pc.getc();
bhimebau 0:f7d9662c6d11 32 }
bhimebau 0:f7d9662c6d11 33 cmd[index] = 0;
bhimebau 0:f7d9662c6d11 34 if (!strcmp(cmd,"lon")) {
bhimebau 0:f7d9662c6d11 35 led = 1;
bhimebau 0:f7d9662c6d11 36 }
bhimebau 0:f7d9662c6d11 37 else if (!strcmp(cmd,"lof")) {
bhimebau 0:f7d9662c6d11 38 led = 0;
bhimebau 0:f7d9662c6d11 39 }
bhimebau 3:2e70eaa59446 40 else if (!strcmp(cmd,"high")) {
bhimebau 2:007b4fa1f64e 41 p1.write(1.0);
bhimebau 2:007b4fa1f64e 42 }
bhimebau 3:2e70eaa59446 43 else if (!strcmp(cmd,"med")) {
bhimebau 2:007b4fa1f64e 44 p1.write(0.5);
bhimebau 2:007b4fa1f64e 45 }
bhimebau 3:2e70eaa59446 46 else if (!strcmp(cmd,"low")) {
bhimebau 2:007b4fa1f64e 47 p1.write(0.15);
bhimebau 2:007b4fa1f64e 48 }
bhimebau 3:2e70eaa59446 49 else if (!strcmp(cmd,"off")) {
bhimebau 2:007b4fa1f64e 50 p1.write(0.0);
bhimebau 2:007b4fa1f64e 51 }
bhimebau 2:007b4fa1f64e 52
bhimebau 2:007b4fa1f64e 53 pc.printf("\n\r");
bhimebau 3:2e70eaa59446 54 pc.printf("Motor> ");
bhimebau 0:f7d9662c6d11 55 }
bhimebau 0:f7d9662c6d11 56 }
bhimebau 1:48e24393d6d9 57