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Revision 4:84669d69a2d4, committed 2017-03-22
- Comitter:
- javierjsp
- Date:
- Wed Mar 22 17:08:53 2017 +0000
- Parent:
- 3:1174132d5190
- Commit message:
- version 1
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Tue Jul 21 08:22:09 2015 +0000
+++ b/main.cpp Wed Mar 22 17:08:53 2017 +0000
@@ -47,26 +47,39 @@
#include "mbed.h"
-PwmOut PWM1(p21); // pwm outputs
-PwmOut PWM2(p22);
+PwmOut PWM1(PF_8); // pwm outputs
+PwmOut PWM2(PF_7);
+DigitalOut led1(LED1);
/* Function prototype */
void motorControl(bool dir, float pwmVal);
int main()
{
+
+ led1 = 1;
+ wait(1);
+ led1 = 0;
+ PWM1.write(0); // Duty cycles are initially zero
+ PWM2.write(0);
+ PWM1.period(0.02f); // 1 kHz pwm frequency
+ PWM2.period(0.02f);
+
while(1)
{
- for(float i=0;i<1;i=i+0.01) // increase speed from 0 to 1 in 5 seconds (50ms*100).
+ for(float i=0;i<1;i=i+0.01f) // increase speed from 0 to 1 in 5 seconds (50ms*100).
{
motorControl(1,i);
- wait_ms(50);
- }
- for(float i=1;i>0;i=i-0.01) // decrease speed from 1 to 0 in 5 seconds (50ms*100).
+ wait(0.05f);
+ }
+ for(float i=1;i>0;i=i-0.01f) // decrease speed from 1 to 0 in 5 seconds (50ms*100).
{
motorControl(0,i);
- wait_ms(50);
+ wait(0.05f);
}
+ led1 = 1;
+ wait(0.5);
+ led1 = 0;
}
}
@@ -74,19 +87,14 @@
// a motor. Motor drivers like L293D can be used.
void motorControl(bool dir, float pwmVal)
{
- PWM1.write(0); // Duty cycles are initially zero
- PWM2.write(0);
- PWM1.period_ms(1); // 1 kHz pwm frequency
- PWM2.period_ms(1);
-
if(dir==1) // forward direction
{
+ PWM2.write(0);
PWM1.write(pwmVal);
- PWM2.write(0);
}
else if(dir==0) // reverse direction
- {
- PWM2.write(pwmVal);
+ {
PWM1.write(0);
+ PWM2.write(pwmVal);
}
}
\ No newline at end of file
--- a/mbed.bld Tue Jul 21 08:22:09 2015 +0000 +++ b/mbed.bld Wed Mar 22 17:08:53 2017 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/7cff1c4259d7 \ No newline at end of file +https://mbed.org/users/mbed_official/code/mbed/builds/093f2bd7b9eb \ No newline at end of file
