Simple PWM for motor control
This program is for motor control with Arduino motor shield and LCP 1768.
For motor control with arduino motor shield, it needs direction signal and brake signal. Maybe brake signal is optional. So, the code use three pins, direction(gpio), brake(gpio) and PWM output.
- Schematic
Revision 2:4eb08f46fc91, committed 2014-11-18
- Comitter:
- hjjeon
- Date:
- Tue Nov 18 02:22:12 2014 +0000
- Parent:
- 1:4f47e58cd882
- Commit message:
- Add comments
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Tue Nov 18 02:20:03 2014 +0000 +++ b/main.cpp Tue Nov 18 02:22:12 2014 +0000 @@ -3,16 +3,18 @@ #define FORWARD 0 #define BACKWARD 1 -DigitalOut myled(LED1); int main() { Serial pc(USBTX, USBRX); pc.baud(115200); + // This program is for NXP LPC1768. If you use other platform, change pin number!! ============ PwmOut mypwm(p21);// NXP 1768 platform PWM output DigitalOut direction(p5);// NXP 1768 platform GPIO pin #5 output DigitalOut brake(p6);// NXP 1768 platform GPIO pin #6 output + DigitalOut myled(LED1);//For LED blinking. + //============================================================================================= direction = FORWARD;// FORWARD == 0;.