how to load the PWM overlay?
On Sunday, June 5, 2016 at 8:38:03 PM UTC+6, Wulf Man wrote:
>
> Have you loaded the PWM overlay ?
>
>
>
>
> On 6/4/2016 10:31 PM, Md Khaled Hossain wrote:
>
> Here I am trying to turn on a buzzer for one second and then turn it off.
> Here is the code
>
> #!/usr/bin/env node
> var b = require('bonescript');
>
> b.pinMode('P8_19', b.ANALOG_OUTPUT);
>
>
> b.analogWrite('P8_19', 0.5, 2000.0, printStatus);
>
> function printStatus(x) {
> console.log('x.value = ' + x.value);
> console.log('x.err = ' + x.err);
> }
>
> setTimeout(function() {
> b.analogWrite('P8_19', b.low); // Turn off buzzer after
> milliseconds time
> }, 1000);
>
> This code gives the following error after i try to run it immediately
> after reboot
> error: Error enabling PWM controls: Error: ENOENT, no such file or
> directory '/sys/devices/ocp.3/bs_pwm_
>
> test_P8_19.15/polarity'
>
>
> how to solve the problem?
>
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