ice40: More Python bindings and examples

Signed-off-by: David Shah <davey1576@gmail.com>

2 files changed, 21 insertions, 6 deletions

diff --git a/python/functions.py b/python/functions.py
index 4f005456..8d2e2fb8 100644
--- a/python/functions.py
+++ b/python/functions.py
@@ -1,2 +1,21 @@
-def test_function():
-    print("Hello World!")
+def get_drivers(wire):
+    wid = chip.getWireByName(wire)
+    assert not wid.nil(), "wire {} not found".format(wire)
+    bp = chip.getBelPinUphill(wid)
+    if not bp.bel.nil():
+        print("Bel pin: {}.{}".format(chip.getBelName(bp.bel), str(bp.pin)))
+    for pip in sorted(chip.getPipsUphill(wid), key=lambda x: x.index):
+        print("Pip: {}".format(chip.getWireName(chip.getPipSrcWire(pip))))
+
+
+def get_loads(wire):
+    wid = chip.getWireByName(wire)
+    assert not wid.nil(), "wire {} not found".format(wire)
+    for bp in sorted(chip.getBelPinsDownhill(wid), key=lambda x: (x.bel.index, x.pin)):
+        print("Bel pin: {}.{}".format(chip.getBelName(bp.bel), str(bp.pin)))
+    for pip in sorted(chip.getPipsDownhill(wid), key=lambda x: x.index):
+        print("Pip: {}".format(chip.getWireName(chip.getPipDstWire(pip))))
+
+
+#get_drivers("12_14_lutff_7/in_3")
+#get_loads("12_14_lutff_global/clk")
diff --git a/python/python_test.py b/python/python_test.py
index 1a6ebfc6..31d066b2 100644
--- a/python/python_test.py
+++ b/python/python_test.py
@@ -1,6 +1,2 @@
-from nextpnrpy_ice40 import Chip, ChipArgs, iCE40Type
-args = ChipArgs()
-args.type = iCE40Type.LP384
-chip = Chip(args)
 for wire in chip.getWires():
     print(chip.getWireName(wire))