Sz_Insper
/
rpm_motor
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Dependencies: mbed
Diff: main.cpp
- Revision:
- 0:c93bfd3fdede
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue May 12 19:28:09 2020 +0000
@@ -0,0 +1,70 @@
+#include "mbed.h"
+
+DigitalOut IN1(D6);
+DigitalOut IN2(D7);
+DigitalOut IN3(D8);
+DigitalOut IN4(D9);
+
+
+#define steprevo 4096
+#define us 70000000
+
+ //*****************Rotina Cálculo rpm*****************\\
+
+void set_rpm (int rpm)
+{
+
+ wait_us(us/steprevo/rpm); // 70us/4096 ---> 18 rev/min valor máximo
+}
+
+
+ //*****************Rotina Half Drive*****************\\
+
+void stepper_half (int step)
+
+{
+
+ switch(step) {
+
+ case 0: IN1 = 1; IN2 = 0; IN3 = 0; IN4 = 0; break;
+
+ case 1: IN1 = 1; IN2 = 1; IN3 = 0; IN4 = 0; break;
+
+ case 2: IN1 = 0; IN2 = 1; IN3 = 0; IN4 = 0; break;
+
+ case 3: IN1 = 0; IN2 = 1; IN3 = 1; IN4 = 0; break;
+
+ case 4: IN1 = 0; IN2 = 0; IN3 = 1; IN4 = 0; break;
+
+ case 5: IN1 = 0; IN2 = 0; IN3 = 1; IN4 = 1; break;
+
+ case 6: IN1 = 0; IN2 = 0; IN3 = 0; IN4 = 1; break;
+
+ case 7: IN1 = 1; IN2 = 0; IN3 = 0; IN4 = 1;break;
+ }
+
+}
+
+
+int main()
+{
+
+ while(1) {
+
+ for(int i=0; i<512; i++) {
+
+ for(int i=0; i<8; i++) {
+
+ stepper_half(i);
+ set_rpm(18);
+
+ }
+
+ }
+
+ }
+
+}
+
+
+