From accb6533f6bd45387a6d5676f75177e9060bb2d9 Mon Sep 17 00:00:00 2001
From: Martin Erzberger <martin@erzberger.ch>
Date: Thu, 21 May 2020 18:15:08 +0200
Subject: [PATCH] Grab lock in examples (due to commit
 a5288a1455c179feb96c00ada32d1104863738e8)

---
 README.rst                       | 3 +++
 examples/bitbangio_simpletest.py | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/README.rst b/README.rst
index facb330..da9b7dc 100644
--- a/README.rst
+++ b/README.rst
@@ -83,9 +83,12 @@ Usage Example
 
     spi = bitbangio.SPI(SCLK_PIN, MOSI=MOSI_PIN, MISO=MISO_PIN)
     cs.value = 0
+    while not spi.try_lock():
+        pass
     spi.write([0xD0])
     data = [0x00]
     spi.readinto(data)
+    spi.unlock()
     cs.value = 1
     print("Result is {}".format(data))
 
diff --git a/examples/bitbangio_simpletest.py b/examples/bitbangio_simpletest.py
index 824ea05..f394af6 100644
--- a/examples/bitbangio_simpletest.py
+++ b/examples/bitbangio_simpletest.py
@@ -19,8 +19,11 @@
 
 spi = bitbangio.SPI(SCLK_PIN, MOSI=MOSI_PIN, MISO=MISO_PIN)
 cs.value = 0
+while not spi.try_lock():
+    pass
 spi.write([0xD0])
 data = [0x00]
 spi.readinto(data)
+spi.unlock()
 cs.value = 1
 print("Result is {}".format(data))