From ff8091199972b753adff1219ee8ba846d06fdee4 Mon Sep 17 00:00:00 2001
From: "jixing.zou" <jixing.zou@redbear.hk>
Date: Mon, 5 Sep 2016 09:53:36 +0800
Subject: [PATCH] Solve openocd issue on Linux

---
 98-daplink.rules | 4 ++++
 README.md        | 8 ++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 98-daplink.rules

diff --git a/98-daplink.rules b/98-daplink.rules
new file mode 100644
index 0000000..9c6acb3
--- /dev/null
+++ b/98-daplink.rules
@@ -0,0 +1,4 @@
+
+# mbed CMSIS-DAP
+ATTRS{idVendor}=="0d28", ATTRS{idProduct}=="0204", MODE="664", GROUP="plugdev"
+KERNEL=="hidraw*", ATTRS{idVendor}=="0d28", ATTRS{idProduct}=="0204", MODE="664", GROUP="plugdev"
diff --git a/README.md b/README.md
index 6f0fa9e..795cc76 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,14 @@ Get this driver and install it if you are using an Windows PC, so that you can u
 
 * Note that you do not need any driver for OSX and Linux platforms.
 
+## Add udev rules (Linux only)
+
+Copy file "98-daplink.rules" to path "/etc/udev/rules.d/". Then restart or reloaded with 
+
+    $ sudo udevadm control --reload-rules
+
+We thank bapowell & kdsoo for solving this problem.
+[openocd error on Linux](https://github.com/RedBearLab/nRF51822-Arduino/issues/73)
 
 ## Burn Bootloader