mit Buttons/PWM als einzelne cpp und init in main
Dependencies: mbed mbed-rtos X_NUCLEO_IHM02A1
Papierkorb/PWM.cpp@34:0dee9a606869, 2019-04-24 (annotated)
- Committer:
- scherfa2
- Date:
- Wed Apr 24 21:08:27 2019 +0000
- Revision:
- 34:0dee9a606869
- Parent:
- 33:de144094bdd1
asdf
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
scherfa2 | 27:23bd03a6a6f6 | 1 | #include "mbed.h" |
scherfa2 | 27:23bd03a6a6f6 | 2 | #include "PWM.h" |
scherfa2 | 27:23bd03a6a6f6 | 3 | |
scherfa2 | 27:23bd03a6a6f6 | 4 | Timeout timer; |
scherfa2 | 27:23bd03a6a6f6 | 5 | Timeout timer2; |
scherfa2 | 27:23bd03a6a6f6 | 6 | |
scherfa2 | 27:23bd03a6a6f6 | 7 | DigitalOut my_pwm(D10); // IO used by pwm_io function |
scherfa2 | 27:23bd03a6a6f6 | 8 | DigitalOut my_pwm2(D5); |
scherfa2 | 27:23bd03a6a6f6 | 9 | |
scherfa2 | 27:23bd03a6a6f6 | 10 | |
scherfa2 | 27:23bd03a6a6f6 | 11 | int on_delay = 0; |
scherfa2 | 27:23bd03a6a6f6 | 12 | int off_delay = 0; |
scherfa2 | 27:23bd03a6a6f6 | 13 | int on_delay2 = 0; |
scherfa2 | 27:23bd03a6a6f6 | 14 | int off_delay2 = 0; |
scherfa2 | 27:23bd03a6a6f6 | 15 | |
scherfa2 | 27:23bd03a6a6f6 | 16 | void toggleOff(void); |
scherfa2 | 27:23bd03a6a6f6 | 17 | |
scherfa2 | 27:23bd03a6a6f6 | 18 | void toggleOn(void) { |
scherfa2 | 27:23bd03a6a6f6 | 19 | my_pwm = 1; |
scherfa2 | 27:23bd03a6a6f6 | 20 | timer.attach_us(toggleOff, on_delay); |
scherfa2 | 27:23bd03a6a6f6 | 21 | } |
scherfa2 | 27:23bd03a6a6f6 | 22 | |
scherfa2 | 27:23bd03a6a6f6 | 23 | void toggleOff(void) { |
scherfa2 | 27:23bd03a6a6f6 | 24 | my_pwm = 0; |
scherfa2 | 27:23bd03a6a6f6 | 25 | timer.attach_us(toggleOn, off_delay); |
scherfa2 | 27:23bd03a6a6f6 | 26 | } |
scherfa2 | 27:23bd03a6a6f6 | 27 | |
scherfa2 | 27:23bd03a6a6f6 | 28 | // p_us = signal period in micro_seconds |
scherfa2 | 27:23bd03a6a6f6 | 29 | // dc = signal duty-cycle (0.0 to 1.0) |
scherfa2 | 27:23bd03a6a6f6 | 30 | void pwm_io(int p_us, float dc) { |
scherfa2 | 27:23bd03a6a6f6 | 31 | timer.detach(); |
scherfa2 | 27:23bd03a6a6f6 | 32 | if ((p_us == 0) || (dc == 0)) { |
scherfa2 | 27:23bd03a6a6f6 | 33 | my_pwm = 0; |
scherfa2 | 27:23bd03a6a6f6 | 34 | return; |
scherfa2 | 27:23bd03a6a6f6 | 35 | } |
scherfa2 | 27:23bd03a6a6f6 | 36 | if (dc >= 1) { |
scherfa2 | 27:23bd03a6a6f6 | 37 | my_pwm = 1; |
scherfa2 | 27:23bd03a6a6f6 | 38 | return; |
scherfa2 | 27:23bd03a6a6f6 | 39 | } |
scherfa2 | 27:23bd03a6a6f6 | 40 | on_delay = (int)(p_us * dc); |
scherfa2 | 27:23bd03a6a6f6 | 41 | off_delay = p_us - on_delay; |
scherfa2 | 27:23bd03a6a6f6 | 42 | toggleOn(); |
scherfa2 | 27:23bd03a6a6f6 | 43 | } |
scherfa2 | 27:23bd03a6a6f6 | 44 | |
scherfa2 | 27:23bd03a6a6f6 | 45 | ////PMW2 |
scherfa2 | 27:23bd03a6a6f6 | 46 | void toggleOff2(void); |
scherfa2 | 27:23bd03a6a6f6 | 47 | |
scherfa2 | 27:23bd03a6a6f6 | 48 | void toggleOn2(void) { |
scherfa2 | 27:23bd03a6a6f6 | 49 | my_pwm2 = 1; |
scherfa2 | 27:23bd03a6a6f6 | 50 | timer2.attach_us(toggleOff2, on_delay2); |
scherfa2 | 27:23bd03a6a6f6 | 51 | } |
scherfa2 | 27:23bd03a6a6f6 | 52 | |
scherfa2 | 27:23bd03a6a6f6 | 53 | void toggleOff2(void) { |
scherfa2 | 27:23bd03a6a6f6 | 54 | my_pwm2 = 0; |
scherfa2 | 27:23bd03a6a6f6 | 55 | timer2.attach_us(toggleOn2, off_delay2); |
scherfa2 | 27:23bd03a6a6f6 | 56 | } |
scherfa2 | 27:23bd03a6a6f6 | 57 | |
scherfa2 | 27:23bd03a6a6f6 | 58 | // p_us = signal period in micro_seconds |
scherfa2 | 27:23bd03a6a6f6 | 59 | // dc = signal duty-cycle (0.0 to 1.0) |
scherfa2 | 27:23bd03a6a6f6 | 60 | void pwm_io2(int p_us, float dc) { |
scherfa2 | 27:23bd03a6a6f6 | 61 | timer2.detach(); |
scherfa2 | 27:23bd03a6a6f6 | 62 | if ((p_us == 0) || (dc == 0)) { |
scherfa2 | 27:23bd03a6a6f6 | 63 | my_pwm2 = 0; |
scherfa2 | 27:23bd03a6a6f6 | 64 | return; |
scherfa2 | 27:23bd03a6a6f6 | 65 | } |
scherfa2 | 27:23bd03a6a6f6 | 66 | if (dc >= 1) { |
scherfa2 | 27:23bd03a6a6f6 | 67 | my_pwm2 = 1; |
scherfa2 | 27:23bd03a6a6f6 | 68 | return; |
scherfa2 | 27:23bd03a6a6f6 | 69 | } |
scherfa2 | 27:23bd03a6a6f6 | 70 | on_delay2 = (int)(p_us * dc); |
scherfa2 | 27:23bd03a6a6f6 | 71 | off_delay2 = p_us - on_delay2; |
scherfa2 | 27:23bd03a6a6f6 | 72 | toggleOn2(); |
scherfa2 | 27:23bd03a6a6f6 | 73 | } |
scherfa2 | 27:23bd03a6a6f6 | 74 | |
scherfa2 | 27:23bd03a6a6f6 | 75 | |
scherfa2 | 27:23bd03a6a6f6 | 76 | |
scherfa2 | 27:23bd03a6a6f6 | 77 |