Nuvoton
/
NuMaker-mbed-PWM1_DCservo
NuMaker PWM1 drive +5V DC servo motor
main.cpp
- Committer:
- SHLIU1@OANBE02333.nuvoton.com
- Date:
- 2021-02-25
- Revision:
- 12:c7ca6b6c7fbc
- Parent:
- 9:64a0098bb8df
File content as of revision 12:c7ca6b6c7fbc:
// NuMaker-PFM-NUC472 : PWM1 output to drive DC servo motor #include "mbed.h" /* NOTE: Most targets has UNO D3 for PWM. Check it for supporting new targets */ PwmOut pwm1(D3); int main() { int i=0; printf("...DCserv Start...\n\r"); #ifdef MBED_MAJOR_VERSION printf("Mbed OS version %d.%d.%d\r\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION); #endif pwm1.period_us(20000); // set PWM period to 20ms (50Hz) for (i=500; i<=2500; i=i+200) { // from 0.5ms to 2.5ms pwm1.pulsewidth_us(i); // set PWM pulse width to rotate motor #if MBED_MAJOR_VERSION >= 6 ThisThread::sleep_for(1000); #else Thread::wait(1000); // delay #endif printf("DCservo pulse width = %d\n\r", i); } printf("...DCserv End.....\n\r"); }