tinygo/src/machine/i2s.go
2022-12-19 23:20:11 +01:00

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//go:build sam
// This is the definition for I2S bus functions.
// Actual implementations if available for any given hardware
// are to be found in its the board definition.
//
// For more info about I2S, see: https://en.wikipedia.org/wiki/I%C2%B2S
//
package machine
type I2SMode uint8
type I2SStandard uint8
type I2SClockSource uint8
type I2SDataFormat uint8
const (
I2SModeSource I2SMode = iota
I2SModeReceiver
I2SModePDM
)
const (
I2StandardPhilips I2SStandard = iota
I2SStandardMSB
I2SStandardLSB
)
const (
I2SClockSourceInternal I2SClockSource = iota
I2SClockSourceExternal
)
const (
I2SDataFormatDefault I2SDataFormat = 0
I2SDataFormat8bit = 8
I2SDataFormat16bit = 16
I2SDataFormat24bit = 24
I2SDataFormat32bit = 32
)
// All fields are optional and may not be required or used on a particular platform.
type I2SConfig struct {
SCK Pin
WS Pin
SD Pin
Mode I2SMode
Standard I2SStandard
ClockSource I2SClockSource
DataFormat I2SDataFormat
AudioFrequency uint32
MainClockOutput bool
Stereo bool
}