mirror of https://github.com/kidoman/embd
39 lines
672 B
Go
39 lines
672 B
Go
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package embd
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import "sync"
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type spiBusFactory func(byte, byte, byte, int, int, int) SPIBus
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type spiDriver struct {
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spiDevMinor byte
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busMap map[byte]SPIBus
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busMapLock sync.Mutex
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spf spiBusFactory
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}
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func NewSPIDriver(spiDevMinor byte, sbf spiBusFactory) SPIDriver {
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return &spiDriver{
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spiDevMinor: spiDevMinor,
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spf: sbf,
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}
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}
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func (s *spiDriver) Bus(mode, channel byte, speed, bpw, delay int) SPIBus {
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s.busMapLock.Lock()
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defer s.busMapLock.Unlock()
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b := s.spf(s.spiDevMinor, mode, channel, speed, bpw, delay)
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s.busMap[channel] = b
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return b
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}
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func (s *spiDriver) Close() error {
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for _, b := range s.busMap {
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b.Close()
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}
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return nil
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}
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