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spi: variables/method name, err handling changes to follow idiomatic go

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This commit is contained in:
kunalpowar 2014-05-08 23:09:31 +05:30
parent 4191327632
commit 1bb2bac8f1
5 changed files with 37 additions and 45 deletions
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12
convertors/mcp3008/mcp3008.go
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@ -8,17 +8,15 @@ import (
)
type mcp3008 struct {
mode int
mode byte
bus embd.SPIBus
}
const (
SingleMode = int(1)
DifferenceMode = int(0)
)
var SingleMode byte = 1
var DifferenceMode byte = 0
func New(mode, spiChan, speed int) (*mcp3008, error) {
func New(mode byte, spiChan, speed int) (*mcp3008, error) {
if err := embd.InitSPI(); err != nil {
return nil, err
}
@ -28,7 +26,7 @@ func New(mode, spiChan, speed int) (*mcp3008, error) {
}
func (m *mcp3008) AnalogValueAt(chanNum int) (int, error) {
data := make([]uint8, 3)
var data [3]uint8
data[0] = 1
data[1] = uint8(m.mode)<<7 | uint8(chanNum)<<4
data[2] = 0