examples: rename and add python code

1. Rename the examples name
2. Add python code
3. Add examples path to code format

Author: imliubo

m5f2_examples/unit/angle/angle_core_example.m5f2 renamed to examples/unit/angle/angle_core.m5f2

@@ -0,0 +1,36 @@
+import os, sys, io
+import M5
+from M5 import *
+from unit import AngleUnit
+
+
+angle_0 = None
+
+
+def setup():
+    global angle_0
+
+    angle_0 = AngleUnit((36, 26))
+    M5.begin()
+    Widgets.fillScreen(0x222222)
+
+
+def loop():
+    global angle_0
+    M5.update()
+    print(angle_0.get_voltage())
+    print(angle_0.get_value())
+
+
+if __name__ == "__main__":
+    try:
+        setup()
+        while True:
+            loop()
+    except (Exception, KeyboardInterrupt) as e:
+        try:
+            from utility import print_error_msg
+
+            print_error_msg(e)
+        except ImportError:
+            print("please update to latest firmware")

examples/unit/angle/angle_core.py

@@ -0,0 +1,45 @@
+import os, sys, io
+import M5
+from M5 import *
+from hardware import *
+from unit import ENVUnit
+
+
+i2c0 = None
+env_0 = None
+env2_0 = None
+env3_0 = None
+
+
+def setup():
+    global i2c0, env_0, env2_0, env3_0
+
+    M5.begin()
+    Widgets.fillScreen(0x222222)
+
+    i2c0 = I2C(0, scl=Pin(1), sda=Pin(2), freq=100000)
+    env_0 = ENVUnit(i2c=i2c0, type=1)
+    env2_0 = ENVUnit(i2c=i2c0, type=2)
+    env3_0 = ENVUnit(i2c=i2c0, type=3)
+    print(env_0.read_temperature())
+    print(env_0.read_humidity())
+    print(env_0.read_pressure())
+
+
+def loop():
+    global i2c0, env_0, env2_0, env3_0
+    M5.update()
+
+
+if __name__ == "__main__":
+    try:
+        setup()
+        while True:
+            loop()
+    except (Exception, KeyboardInterrupt) as e:
+        try:
+            from utility import print_error_msg
+
+            print_error_msg(e)
+        except ImportError:
+            print("please update to latest firmware")

examples/unit/env/env_cores2.py

@@ -0,0 +1,38 @@
+import os, sys, io
+import M5
+from M5 import *
+from unit import RGBUnit
+
+
+rgb_0 = None
+
+
+def setup():
+    global rgb_0
+
+    rgb_0 = RGBUnit((36, 26), 3)
+    M5.begin()
+    Widgets.fillScreen(0x222222)
+
+    rgb_0.set_brightness(80)
+    rgb_0.fill_color(0xFF0000)
+    rgb_0.set_color(0, 0x33FF33)
+
+
+def loop():
+    global rgb_0
+    M5.update()
+
+
+if __name__ == "__main__":
+    try:
+        setup()
+        while True:
+            loop()
+    except (Exception, KeyboardInterrupt) as e:
+        try:
+            from utility import print_error_msg
+
+            print_error_msg(e)
+        except ImportError:
+            print("please update to latest firmware")

m5f2_examples/unit/env/env_cores3_example.m5f2 renamed to examples/unit/env/env_cores3.m5f2

@@ -49,6 +49,7 @@
     "m5stack/modules/**/*.py",
     "tools/*.py",
     "tests/**/*.py",
+    "examples/**/*.py",
 ]
 
 # Path to repo top-level dir.