go-embedded/embd
go-embedded
/
embd
mirror of https://github.com/kidoman/embd
1
0
Fork 0
Code Issues Releases Wiki Activity

gpio: consistent naming

This commit is contained in:
Karan Misra 2015-01-15 05:35:10 +05:30
parent b6f5d8d640
commit 6003f2249d
1 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
host/generic/interrupt.go
View File

@ -31,33 +31,33 @@ func (i *interrupt) Signal() {
i.handler(i.pin)
}
type ePollListener struct {
epollFd int
type epollListener struct {
mu sync.Mutex // Guards the following.
fd int
interruptablePins map[int]*interrupt
mu sync.Mutex
}
var ePollListenerInstance *ePollListener
var epollListenerInstance *epollListener
func getEPollListenerInstance() *ePollListener {
if ePollListenerInstance == nil {
ePollListenerInstance = initEPollListener()
func getEpollListenerInstance() *epollListener {
if epollListenerInstance == nil {
epollListenerInstance = initEpollListener()
}
return ePollListenerInstance
return epollListenerInstance
}
func initEPollListener() *ePollListener {
epollFd, err := syscall.EpollCreate1(0)
func initEpollListener() *epollListener {
fd, err := syscall.EpollCreate1(0)
if err != nil {
panic(fmt.Sprintf("Unable to create epoll: %v", err))
}
listener := &ePollListener{epollFd: epollFd, interruptablePins: make(map[int]*interrupt)}
listener := &epollListener{fd: fd, interruptablePins: make(map[int]*interrupt)}
go func() {
var epollEvents [MaxGPIOInterrupt]syscall.EpollEvent
for {
n, err := syscall.EpollWait(listener.epollFd, epollEvents[:], -1)
n, err := syscall.EpollWait(listener.fd, epollEvents[:], -1)
if err != nil {
panic(fmt.Sprintf("EpollWait error: %v", err))
}
@ -72,7 +72,7 @@ func initEPollListener() *ePollListener {
}
func registerInterrupt(pin *digitalPin, handler func(embd.DigitalPin)) error {
l := getEPollListenerInstance()
l := getEpollListenerInstance()
pinFd := int(pin.val.Fd())
@ -92,7 +92,7 @@ func registerInterrupt(pin *digitalPin, handler func(embd.DigitalPin)) error {
event.Fd = int32(pinFd)
if err := syscall.EpollCtl(l.epollFd, syscall.EPOLL_CTL_ADD, pinFd, &event); err != nil {
if err := syscall.EpollCtl(l.fd, syscall.EPOLL_CTL_ADD, pinFd, &event); err != nil {
return err
}
@ -102,7 +102,7 @@ func registerInterrupt(pin *digitalPin, handler func(embd.DigitalPin)) error {
}
func unregisterInterrupt(pin *digitalPin) error {
l := getEPollListenerInstance()
l := getEpollListenerInstance()
pinFd := int(pin.val.Fd())
@ -113,7 +113,7 @@ func unregisterInterrupt(pin *digitalPin) error {
return nil
}
if err := syscall.EpollCtl(l.epollFd, syscall.EPOLL_CTL_DEL, pinFd, nil); err != nil {
if err := syscall.EpollCtl(l.fd, syscall.EPOLL_CTL_DEL, pinFd, nil); err != nil {
return err
}