From 965f6023d0e8c9f7213d76796fae58122b40c677 Mon Sep 17 00:00:00 2001
From: Samuel Cornejo <sam.ach1990@gmail.com>
Date: Tue, 14 Jan 2020 01:24:03 -0600
Subject: [PATCH] Workaround for for random: Index out of range:
 .../ContiguousArrayBuffer.swift error crashes when trying to read data from
 serial port

---
 Sources/SwiftyGPIO/Generic/UART.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Sources/SwiftyGPIO/Generic/UART.swift b/Sources/SwiftyGPIO/Generic/UART.swift
index 44afa33..21351b3 100644
--- a/Sources/SwiftyGPIO/Generic/UART.swift
+++ b/Sources/SwiftyGPIO/Generic/UART.swift
@@ -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])
     }