1 files changed, 21 insertions, 0 deletions
diff --git a/nicla/serial_test.py b/nicla/serial_test.py
new file mode 100644
index 0000000..bef43a2
--- /dev/null
+++ b/nicla/serial_test.py
@@ -0,0 +1,21 @@
+from pyb import Pin, delay
+
+zumo_tx = Pin("PA10", Pin.IN)
+zumo_rx = Pin("PA9", Pin.OUT_PP)
+
+def uart_send(s):
+    zumo_rx.value(0)
+    byte = ord(s)
+    print("START BIT")
+    delay(2)
+    for x in range(8):
+        bit = (byte & (1 << 7)) >> 7
+        byte <<= 1
+        zumo_rx.value(bit)
+        print(f"BIT[{x}] = {bit}")
+        delay(2)
+    print("STOP BIT")
+    zumo_rx.value(1)
+
+while True:
+    uart_send("a")