micropython: add micropython component

2022-09-29 12:10:37 +08:00
parent 1514f1cb9b
commit dd76146324
2679 changed files with 354110 additions and 0 deletions
--- a/components/language/micropython/examples/pins.py
+++ b/components/language/micropython/examples/pins.py
@@ -0,0 +1,60 @@
+# Print a nice list of pins, their current settings, and available afs.
+# Requires pins_af.py from ports/stm32/build-PYBV10/ directory.
+
+import pyb
+import pins_af
+
+
+def af():
+    max_name_width = 0
+    max_af_width = 0
+    for pin_entry in pins_af.PINS_AF:
+        max_name_width = max(max_name_width, len(pin_entry[0]))
+        for af_entry in pin_entry[1:]:
+            max_af_width = max(max_af_width, len(af_entry[1]))
+    for pin_entry in pins_af.PINS_AF:
+        pin_name = pin_entry[0]
+        print("%-*s " % (max_name_width, pin_name), end="")
+        for af_entry in pin_entry[1:]:
+            print("%2d: %-*s " % (af_entry[0], max_af_width, af_entry[1]), end="")
+        print("")
+
+
+def pins():
+    mode_str = {
+        pyb.Pin.IN: "IN",
+        pyb.Pin.OUT_PP: "OUT_PP",
+        pyb.Pin.OUT_OD: "OUT_OD",
+        pyb.Pin.AF_PP: "AF_PP",
+        pyb.Pin.AF_OD: "AF_OD",
+        pyb.Pin.ANALOG: "ANALOG",
+    }
+    pull_str = {pyb.Pin.PULL_NONE: "", pyb.Pin.PULL_UP: "PULL_UP", pyb.Pin.PULL_DOWN: "PULL_DOWN"}
+    width = [0, 0, 0, 0]
+    rows = []
+    for pin_entry in pins_af.PINS_AF:
+        row = []
+        pin_name = pin_entry[0]
+        pin = pyb.Pin(pin_name)
+        pin_mode = pin.mode()
+        row.append(pin_name)
+        row.append(mode_str[pin_mode])
+        row.append(pull_str[pin.pull()])
+        if pin_mode == pyb.Pin.AF_PP or pin_mode == pyb.Pin.AF_OD:
+            pin_af = pin.af()
+            for af_entry in pin_entry[1:]:
+                if pin_af == af_entry[0]:
+                    af_str = "%d: %s" % (pin_af, af_entry[1])
+                    break
+            else:
+                af_str = "%d" % pin_af
+        else:
+            af_str = ""
+        row.append(af_str)
+        for col in range(len(width)):
+            width[col] = max(width[col], len(row[col]))
+        rows.append(row)
+    for row in rows:
+        for col in range(len(width)):
+            print("%-*s " % (width[col], row[col]), end="")
+        print("")