goAD7705

package module

v0.0.0-...-11eeb60 Latest Latest Go to latest Published: Jun 13, 2017 License: GPL-3.0 Imports: 4 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/hjkoskel/goad7705

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Open Source Insights

README ¶

goAD7705

AD7705/AD7706 userland library for SPI connected ADC converter. Primary targer raspberry/bananapi written in go

5.1.2017, release just for my blog. Some issues are not debugged due lacking analog parts.

Documentation ¶

Index ¶

Constants
func GainInNumber(g Gainsel) float64
type AD7705
- func InitAD7705(spidevice string, readypin int, xtal bool, clkdiv bool, setup ChSetup) (AD7705, error)
type ChSetup
- func (p *ChSetup) ParseSetup(settings map[string]float64)
type Chsel
type Gainsel
- func PickGain(gain float64) Gainsel
- func PickRightGainFor(voltage float64) Gainsel
type ODR
type Opmode
type RegSel

Constants ¶

View Source

const (
	REG_COMMUNICATION = 0
	REG_SETUP         = 1
	REG_CLOCK         = 2
	REG_DATA          = 3
	REG_TEST          = 4
	REG_NOP           = 5
	REG_OFFSET        = 6
	REG_GAIN          = 7
)

View Source

const (
	CH_AIN1        = 0
	CH_AIN2        = 1
	CH_AIN1_COMMON = 2
	CH_AIN2_COMMON = 3
)

View Source

const (
	OPMODE_NORMAL  = 0
	OPMODE_SELFCAL = 1
	OPMODE_ZEROCAL = 2
	OPMODE_FULLCAL = 3
)

View Source

const (
	GAINSEL_1   = 0
	GAINSEL_2   = 1
	GAINSEL_4   = 2
	GAINSEL_8   = 3
	GAINSEL_16  = 4
	GAINSEL_32  = 5
	GAINSEL_64  = 6
	GAINSEL_128 = 7
)

View Source

const (
	ODRXTAL_20  = 0
	ODRXTAL_25  = 1
	ODRXTAL_100 = 2
	ODRXTAL_200 = 3
	ODROSC_50   = 0
	ODROSC_60   = 1
	ODROSC_250  = 2
	ODROSC_500  = 3
)

Variables ¶

This section is empty.

Functions ¶

func GainInNumber ¶

func GainInNumber(g Gainsel) float64

Types ¶

type AD7705 ¶

type AD7705 struct {
	// contains filtered or unexported fields
}

func InitAD7705 ¶

func InitAD7705(spidevice string, readypin int, xtal bool, clkdiv bool, setup ChSetup) (AD7705, error)

Clockdiv and xtal settings depend on pcb.. not adjustable during run

func (*AD7705) BusReset ¶

func (p *AD7705) BusReset() error

func (*AD7705) ReadData ¶

func (p *AD7705) ReadData(chSelection Chsel) (uint16, error)

func (*AD7705) SelfCal ¶

func (p *AD7705) SelfCal(chSelection Chsel, setup ChSetup, mode Opmode) error

func (*AD7705) Set ¶

func (p *AD7705) Set(ch Chsel, setup ChSetup) error

func (*AD7705) WaitDataReady ¶

func (p *AD7705) WaitDataReady(chSelection Chsel) error

func (*AD7705) WriteRegister ¶

func (p *AD7705) WriteRegister(chSelection Chsel, register RegSel, data byte) (byte, error)

func (*AD7705) WriteRegister24 ¶

func (p *AD7705) WriteRegister24(chSelection Chsel, register RegSel, data uint32) (uint32, error)

type ChSetup ¶

type ChSetup struct {
	//For setup register
	Gain     Gainsel `json:"gain"`
	Unipolar bool    `json:"unipolar"`
	Buffered bool    `json:"buffered"`
	Filtsync bool    `json:"filtsync"`
	//For clock register Clk and clkdiv are set on setup... only filter is adjusted
	Odr ODR `json:"odr"`
}

func (*ChSetup) ParseSetup ¶

func (p *ChSetup) ParseSetup(settings map[string]float64)

type Chsel ¶

type Chsel byte

type Gainsel ¶

type Gainsel byte

func PickGain ¶

func PickGain(gain float64) Gainsel

func PickRightGainFor ¶

func PickRightGainFor(voltage float64) Gainsel

type ODR ¶

type ODR byte

type Opmode ¶

type Opmode byte

type RegSel ¶

type RegSel byte

Source Files ¶

View all Source files

goAD7705.go

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