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soypat
69 lines
2.4 KiB
Go
69 lines
2.4 KiB
Go
package legacy
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import "errors"
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// PinOutput represents a pin hardware abstraction layer for a pin that can output a digital signal.
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// This is an alternative to drivers.PinOutput abstraction which is a function type. Pros and cons
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// of both approaches have been discussed in the [relevant issue]. PinOutput should only be used
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// to expose an initialization function of a driver that receives pins of this type. Ideally
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// driver developers should also expose the initialization with drivers.Pin type:
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//
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// func New(p1, p2, p3 legacy.PinOutput) *Device {
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// return NewWithPinfuncs(p1.Set, p2.Set, p3.Set)
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// }
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//
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// func NewWithPinfuncs(p1, p2, p3 drivers.PinOutput) *Device {
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// return &Device{p1:p1, p2:p2, p3:p3}
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// }
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//
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// [relevant issue]: https://github.com/tinygo-org/drivers/pull/749/files
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type PinOutput interface {
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Set(level bool)
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}
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// PinInput represents a pin hardware abstraction layer. See [PinOutput] for
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// more information on why this is "legacy".
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type PinInput interface {
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Get() (level bool)
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}
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// ConfigurePinOut is a legacy function used to configure pins as outputs.
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//
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// Deprecated: Do not configure pins in drivers.
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// This is a legacy feature and should only be used by drivers that
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// previously configured pins in initialization to avoid breaking users.
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func ConfigurePinOut(po PinOutput) {
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configurePinOut(po)
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}
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// ConfigurePinInput is a legacy function used to configure pins as inputs.
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//
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// Deprecated: Do not configure pins in drivers.
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// This is a legacy feature and should only be used by drivers that
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// previously configured pins in initialization to avoid breaking users.
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func ConfigurePinInputPulldown(pi PinInput) {
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configurePinInputPulldown(pi)
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}
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// ConfigurePinInput is a legacy function used to configure pins as inputs.
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//
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// Deprecated: Do not configure pins in drivers.
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// This is a legacy feature and should only be used by drivers that
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// previously configured pins in initialization to avoid breaking users.
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func ConfigurePinInput(pi PinInput) {
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configurePinInput(pi)
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}
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// ConfigurePinInput is a legacy function used to configure pins as inputs.
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//
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// Deprecated: Do not configure pins in drivers.
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// This is a legacy feature and should only be used by drivers that
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// previously configured pins in initialization to avoid breaking users.
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func ConfigurePinInputPullup(pi PinInput) {
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configurePinInputPullup(pi)
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}
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var (
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ErrConfigBeforeInstantiated = errors.New("device must be instantiated with New before calling Configure method")
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)
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