Baser Kandehir / Mbed 2 deprecated brushless_L293D Featured

Brushless motor control program with L293D.

Dependencies:   brushlessController_L293D mbed

main.cpp@0:06434e97c4f2, 2015-07-13 (annotated)

Committer:
BaserK
Date:
Mon Jul 13 14:10:28 2015 +0000
Revision:
0:06434e97c4f2
Child:
1:46f06c96c5f0
A brushless motor is controlled by one L293D

Who changed what in which revision?

UserRevisionLine numberNew contents of line
BaserK 0:06434e97c4f2 1 #include "mbed.h"
BaserK 0:06434e97c4f2 2
BaserK 0:06434e97c4f2 3 /* Digital Outputs */
BaserK 0:06434e97c4f2 4 DigitalOut out1(p21);
BaserK 0:06434e97c4f2 5 DigitalOut out2(p22);
BaserK 0:06434e97c4f2 6 DigitalOut out3(p24);
BaserK 0:06434e97c4f2 7
BaserK 0:06434e97c4f2 8 /* Function Prototype */
BaserK 0:06434e97c4f2 9 void brushlessControl(bool dir, int delay_time);
BaserK 0:06434e97c4f2 10
BaserK 0:06434e97c4f2 11 int main()
BaserK 0:06434e97c4f2 12 {
BaserK 0:06434e97c4f2 13 while(1)
BaserK 0:06434e97c4f2 14 {
BaserK 0:06434e97c4f2 15 /* It works but slow */
BaserK 0:06434e97c4f2 16 brushlessControl(0,100);
BaserK 0:06434e97c4f2 17 brushlessControl(1,100);
BaserK 0:06434e97c4f2 18 }
BaserK 0:06434e97c4f2 19 }
BaserK 0:06434e97c4f2 20
BaserK 0:06434e97c4f2 21 void brushlessControl(bool dir, int delay_time)
BaserK 0:06434e97c4f2 22 {
BaserK 0:06434e97c4f2 23 /* Digital outputs are initially zero */
BaserK 0:06434e97c4f2 24 out1 = 0; out2 = 0; out3 = 0;
BaserK 0:06434e97c4f2 25
BaserK 0:06434e97c4f2 26 /* Magical data_array to drive the brushless motor */
BaserK 0:06434e97c4f2 27 bool data_array[]={1,1,0, 1,0,0, 1,0,1, 0,0,1, 0,1,1, 0,1,0};
BaserK 0:06434e97c4f2 28 bool data_arrayInv[]={0,1,0, 0,1,1, 0,0,1, 1,0,1, 1,0,0, 1,1,0};
BaserK 0:06434e97c4f2 29
BaserK 0:06434e97c4f2 30 if(dir==1) // if dir = 1, reverse the motor direction
BaserK 0:06434e97c4f2 31 for(int k=0; k<18; k++)
BaserK 0:06434e97c4f2 32 data_array[k] = data_arrayInv[k];
BaserK 0:06434e97c4f2 33
BaserK 0:06434e97c4f2 34 for (int i=0; i<6; i++)
BaserK 0:06434e97c4f2 35 {
BaserK 0:06434e97c4f2 36 out1 = data_array[3*i];
BaserK 0:06434e97c4f2 37 out2 = data_array[3*i+1];
BaserK 0:06434e97c4f2 38 out3 = data_array[3*i+2];
BaserK 0:06434e97c4f2 39 wait_ms(delay_time);
BaserK 0:06434e97c4f2 40 }
BaserK 0:06434e97c4f2 41 }