72acda22b0
This commit refactors PWM support in the machine package to be more flexible. The new API can be used to produce tones at a specific frequency and control servos in a portable way, by abstracting over counter widths and prescalers.
21 строка
598 Б
Go
21 строка
598 Б
Go
package machine
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import "errors"
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var (
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ErrPWMPeriodTooLong = errors.New("pwm: period too long")
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)
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// PWMConfig allows setting some configuration while configuring a PWM
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// peripheral. A zero PWMConfig is ready to use for simple applications such as
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// dimming LEDs.
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type PWMConfig struct {
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// PWM period in nanosecond. Leaving this zero will pick a reasonable period
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// value for use with LEDs.
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// If you want to configure a frequency instead of a period, you can use the
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// following formula to calculate a period from a frequency:
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//
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// period = 1e9 / frequency
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//
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Period uint64
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}
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