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Enable hwfc for mac #13

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27 changes: 17 additions & 10 deletions serial/open_darwin.go
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Original file line number Diff line number Diff line change
Expand Up @@ -40,16 +40,19 @@ type tcflag_t uint64

// sys/termios.h
const (
kCS5 = 0x00000000
kCS6 = 0x00000100
kCS7 = 0x00000200
kCS8 = 0x00000300
kCLOCAL = 0x00008000
kCREAD = 0x00000800
kCSTOPB = 0x00000400
kIGNPAR = 0x00000004
kPARENB = 0x00001000
kPARODD = 0x00002000
kCS5 = 0x00000000
kCS6 = 0x00000100
kCS7 = 0x00000200
kCS8 = 0x00000300
kCLOCAL = 0x00008000
kCREAD = 0x00000800
kCSTOPB = 0x00000400
kIGNPAR = 0x00000004
kPARENB = 0x00001000
kPARODD = 0x00002000
kCCTS_OFLOW = 0x00010000
kCRTS_IFLOW = 0x00020000
kCRTSCTS = kCCTS_OFLOW | kCRTS_IFLOW

kNCCS = 20

Expand Down Expand Up @@ -188,6 +191,10 @@ func convertOptions(options OpenOptions) (*termios, error) {
return nil, errors.New("Invalid setting for ParityMode.")
}

if options.HardwareFlowControl {
result.c_cflag |= kCRTSCTS
}

return &result, nil
}

Expand Down