def test_get_serial_no_port():
"""
An IOError should be raised if no micro:bit is found.
"""
with mock.patch('microfs.find_microbit', return_value=(None, None)):
with pytest.raises(IOError) as ex:
microfs.get_serial()
assert ex.value.args[0] == 'Could not find micro:bit.'
def test_get_serial():
"""
Ensure that if a port is found then PySerial is used to create a connection
to the device.
"""
mock_serial = mock.MagicMock()
with mock.patch('microfs.find_microbit', return_value='/dev/ttyACM3'), \
mock.patch('microfs.Serial', return_value=mock_serial):
result = microfs.get_serial()
assert result == mock_serial
def test_get_serial():
"""
Ensure that if a port is found then PySerial is used to create a connection
to the device.
"""
mock_serial = mock.MagicMock()
mock_result = ('/dev/ttyACM3',
'9900000031864e45003c10070000006e0000000097969901')
with mock.patch('microfs.find_microbit', return_value=mock_result), \
mock.patch('microfs.Serial', return_value=mock_serial):
result = microfs.get_serial()
assert result == mock_serial
class SerialSystem:
ser = microfs.get_serial()
ser.baudrate = 115200
ser.close()
microbitpath = uflash.find_microbit()
before = {
'Buttons': {
'A': False,
'B': False
},
'Temp': 20,
'CompassHeading': 369,
'Accelerometer': {
'Y': 0,
'X': 0,
'Z': 0
},
'Brightness': 0
}
def close(self):
self.ser.close()
def open(self):
try:
self.ser.open()
except serial.serialutil.SerialException as e:
print(str(e))
# FIXA
def readyMicroBit(self, printb=False):
# shutil.copyfile(os.getcwd() + "\\src\\" + "microbitserialsystem.hex", self.microbitpath+"SerialSystem.hex")
# shutil.copy
if printb:
print("Downloading HEX")
url = readymicrobithexurl
r = requests.get(url)
if printb:
print("Downloaded HEX")
print("Fixing HEX")
content = ""
# contentb = r.content
# contentb = str(contentb)
# contentb = contentb[:-1]
# contentb = contentb[2:]
# contentsplit = contentb.split("\\n")
# for i in contentsplit:
# content = content + i + "\n"
content = r.content.decode("UTF-8")
if printb:
print("Fixed HEX\n" + content)
print("Moving HEX to microbit")
try:
file = open("SerialSystem.hex", "w")
file.write(content)
file.close()
shutil.move("SerialSystem.hex",
uflash.find_microbit() + "SerialSystem.hex")
except shutil.Error as e:
print(e)
print("SerialSystem hex already installed")
os.remove(os.getcwd() + "\\SerialSystem.hex")
if printb:
print("Moved HEX to microbit")
def display(self,
screen=[[5, 6, 7, 6, 5], [6, 7, 8, 7, 6], [7, 8, 9, 8, 7],
[6, 7, 8, 7, 6], [5, 6, 7, 6, 5]]):
fixedscreen = [0, 0, 0, 0, 0]
yn = 0
for y in screen:
tempstring = ""
xn = 0
for x in y:
tempstring = tempstring + str(screen[yn][xn])
xn = xn + 1
if y != 4:
tempstring = tempstring + ":"
fixedscreen[yn] = tempstring
yn = yn + 1
try:
self.ser.open()
except serial.serialutil.SerialException as e:
pass # print(str(e))
self.ser.write(bytes("?" + str(fixedscreen).replace(" ", ""), 'utf-8'))
def readRaw(self):
try:
self.ser.open()
except serial.serialutil.SerialException as e:
pass # print(str(e))
data_raw = self.ser.readline()
try:
if data_raw != b'':
return (data_raw.decode("utf-8"))
except UnicodeEncodeError as e:
print("Skipping because of error: " + str(e))
def read(self):
try:
self.ser.open()
except serial.serialutil.SerialException as e:
pass # print(str(e))
try:
mbd = self.ser.readline().decode("UTF-8")
mbd = mbd.replace("'", '"')
except serial.serialutil.SerialException:
return {"Error": "Can not find MicroBit"}
except UnicodeDecodeError as e:
mbd = ""
time.sleep(0.5)
print(e)
except IndexError:
return {"Error": "Unknown error"}
if mbd.startswith("?"):
mbds = mbd.split("?")
try:
result = json.loads(mbds[1])
if result["Buttons"]["A"] == "true":
result["Buttons"]["A"] = True
elif result["Buttons"]["A"] == "false":
result["Buttons"]["A"] = False
if result["Buttons"]["B"] == "true":
result["Buttons"]["B"] = True
elif result["Buttons"]["B"] == "false":
result["Buttons"]["B"] = False
except json.decoder.JSONDecodeError as e:
print(mbds[1])
print(e)
result = {
"Error":
"Cant convert Json (MicroBit probably is using wrong firmware)"
}
else:
result = self.before
self.before = result
return result