Add Grbl CNC captures.

diff --git a/stepper_motor/grbl_cnc/README b/stepper_motor/grbl_cnc/README
new file mode 100644 (file)
index 0000000..81f5ae2
--- /dev/null
+++ b/stepper_motor/grbl_cnc/README
@@ -0,0 +1,22 @@
+-------------------------------------------------------------------------------
+Grbl CNC
+-------------------------------------------------------------------------------
+
+This is a set of captures of a CNC running the Arduino-based g-code-parser
+and CNC milling controller "Grbl".
+
+Details:
+https://github.com/gnea/grbl
+
+
+Logic analyzer setup
+--------------------
+
+The logic analyzer used was an FX2 based device (at 2MHz):
+
+  Probe       Target
+  ------------------
+  0           DIR
+  1           STEP
+  2           TX
+  3           RX

diff --git a/stepper_motor/grbl_cnc/grbl_cnc_1.sr b/stepper_motor/grbl_cnc/grbl_cnc_1.sr
new file mode 100644 (file)
index 0000000..279a6f8
Binary files /dev/null and b/stepper_motor/grbl_cnc/grbl_cnc_1.sr differ

diff --git a/stepper_motor/grbl_cnc/grbl_cnc_2.sr b/stepper_motor/grbl_cnc/grbl_cnc_2.sr
new file mode 100644 (file)
index 0000000..ef067dd
Binary files /dev/null and b/stepper_motor/grbl_cnc/grbl_cnc_2.sr differ