micropython: add micropython component

components/language/micropython/tests/pyb/adc.py

@@ -0,0 +1,63 @@
+from pyb import ADC, Timer
+
+adct = ADC(16)  # Temperature 930 -> 20C
+print(str(adct)[:19])
+adcv = ADC(17)  # Voltage 1500 -> 3.3V
+print(adcv)
+
+# read single sample; 2.5V-5V is pass range
+val = adcv.read()
+assert val > 1000 and val < 2000
+
+# timer for read_timed
+tim = Timer(5, freq=500)
+
+# read into bytearray
+buf = bytearray(b"\xff" * 50)
+adcv.read_timed(buf, tim)
+print(len(buf))
+for i in buf:
+    assert i > 50 and i < 150
+
+# read into arrays with different element sizes
+import array
+
+arv = array.array("h", 25 * [0x7FFF])
+adcv.read_timed(arv, tim)
+print(len(arv))
+for i in arv:
+    assert i > 1000 and i < 2000
+
+arv = array.array("i", 30 * [-1])
+adcv.read_timed(arv, tim)
+print(len(arv))
+for i in arv:
+    assert i > 1000 and i < 2000
+
+# Test read_timed_multi
+arv = bytearray(b"\xff" * 50)
+art = bytearray(b"\xff" * 50)
+ADC.read_timed_multi((adcv, adct), (arv, art), tim)
+for i in arv:
+    assert i > 60 and i < 125
+# Wide range: unsure of accuracy of temp sensor.
+for i in art:
+    assert i > 15 and i < 200
+
+arv = array.array("i", 25 * [-1])
+art = array.array("i", 25 * [-1])
+ADC.read_timed_multi((adcv, adct), (arv, art), tim)
+for i in arv:
+    assert i > 1000 and i < 2000
+# Wide range: unsure of accuracy of temp sensor.
+for i in art:
+    assert i > 50 and i < 2000
+
+arv = array.array("h", 25 * [0x7FFF])
+art = array.array("h", 25 * [0x7FFF])
+ADC.read_timed_multi((adcv, adct), (arv, art), tim)
+for i in arv:
+    assert i > 1000 and i < 2000
+# Wide range: unsure of accuracy of temp sensor.
+for i in art:
+    assert i > 50 and i < 2000