mirror of
https://github.com/kidoman/embd
synced 2025-07-03 11:57:38 +02:00
spi: added spi feature for all bbb and rpi
This commit is contained in:
parent
fdd1d6b5c3
commit
12db8443b0
7 changed files with 399 additions and 0 deletions
38
spidriver.go
Normal file
38
spidriver.go
Normal file
|
@ -0,0 +1,38 @@
|
|||
package embd
|
||||
|
||||
import "sync"
|
||||
|
||||
type spiBusFactory func(byte, byte, byte, int, int, int) SPIBus
|
||||
|
||||
type spiDriver struct {
|
||||
spiDevMinor byte
|
||||
|
||||
busMap map[byte]SPIBus
|
||||
busMapLock sync.Mutex
|
||||
|
||||
spf spiBusFactory
|
||||
}
|
||||
|
||||
func NewSPIDriver(spiDevMinor byte, sbf spiBusFactory) SPIDriver {
|
||||
return &spiDriver{
|
||||
spiDevMinor: spiDevMinor,
|
||||
spf: sbf,
|
||||
}
|
||||
}
|
||||
|
||||
func (s *spiDriver) Bus(mode, channel byte, speed, bpw, delay int) SPIBus {
|
||||
s.busMapLock.Lock()
|
||||
defer s.busMapLock.Unlock()
|
||||
|
||||
b := s.spf(s.spiDevMinor, mode, channel, speed, bpw, delay)
|
||||
s.busMap[channel] = b
|
||||
return b
|
||||
}
|
||||
|
||||
func (s *spiDriver) Close() error {
|
||||
for _, b := range s.busMap {
|
||||
b.Close()
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue