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UART Read Data Sleep #101

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UART Read Data Sleep #101

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4 changes: 4 additions & 0 deletions Sources/SwiftyGPIO/Generic/UART.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -117,9 +117,13 @@ public final class SysFSUART: UARTInterface {
var buf = [CChar](repeating:0, count: 4096) //4096 chars at max in canonical mode

let n = read(fd, &buf, buf.count * MemoryLayout<CChar>.stride)

usleep(100_000) //100ms sleep. Workaround for random: Index out of range: .../ContiguousArrayBuffer.swift error

if n<0 {
throw UARTError.IOError("Error while reading from UART")
}

return Array(buf[0..<n])
}

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