created SDdatalogger example

1 files changed, 24 insertions, 0 deletions

diff --git a/examples/SDdatalogger/boot.py b/examples/SDdatalogger/boot.py
new file mode 100644
index 000000000..f5006df93
--- /dev/null
+++ b/examples/SDdatalogger/boot.py
@@ -0,0 +1,24 @@
+# boot.py -- runs on boot-up
+# Let's you choose which script to run.
+# > To run 'datalogger.py':
+#       * press reset and do nothing else
+# > To run 'cardreader.py':
+#       * press reset
+#       * press user switch and hold until orange LED goes out
+
+import pyb
+
+pyb.LED(3).on()
+pyb.delay(2000)
+pyb.LED(4).on()
+pyb.LED(3).off()
+switch = pyb.Switch()                   # check if switch was pressed decision phase
+
+if switch():
+    pyb.usb_mode('CDC+MSC')
+    pyb.main('cardreader.py')           # if switch was pressed, run this
+else:
+    pyb.usb_mode('CDC+HID')
+    pyb.main('datalogger.py')           # if switch wasn't pressed, run this
+
+pyb.LED(4).off()