Revision 0:428e046afc89, committed 2016-03-06

Comitter:

winstonkuo

Date:

Sun Mar 06 13:38:44 2016 +0000

Commit message:

2016/03/06 servo by Winston

Changed in this revision

diff -r 000000000000 -r 428e046afc89 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Mar 06 13:38:44 2016 +0000
@@ -0,0 +1,67 @@
+/*LAB_SERVO*/
+#include "mbed.h"
+
+PwmOut servo(A0);
+PwmOut pwm1(D7);
+
+DigitalOut myled(LED1);
+DigitalOut led1(D13);
+DigitalOut led2(D12);
+
+Ticker timer1;
+void timer1_interrupt(void);
+
+void init_TIMER(void);
+void init_IO(void); 
+void init_PWM(void);
+
+float servo_duty = 0.058;   //0.079 +(0.084/180)*angle, -90<angle<90
+bool servo_flag = false;
+
+int main() 
+{
+    init_TIMER();
+    init_IO();
+    init_PWM();
+    
+    while(1)
+    {
+        servo_duty += 0.00007;
+        
+        if(servo_flag == true)
+        {
+            servo.write(servo_duty);
+            servo_flag = false;
+        }
+        
+        if(servo_duty > 0.1)
+            break;
+        
+    }
+
+}
+
+void timer1_interrupt(void)
+{
+    servo_flag = true;
+}
+
+void init_TIMER(void)
+{
+    timer1.attach_us(&timer1_interrupt, 10000);//10ms interrupt period (100 Hz)
+}
+
+void init_IO(void)
+{
+    led1 = 0;
+    led2 = 1;
+}
+
+void init_PWM(void)
+{
+    servo.period_ms(20);        //pwm period 20ms
+    servo.write(servo_duty);
+    //pwm1.period_us(50);
+    //pwm1.write(0.5);
+    //TIM1->CCER |= 0x4;
+}

diff -r 000000000000 -r 428e046afc89 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Mar 06 13:38:44 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/87f2f5183dfb
\ No newline at end of file