def sensortag_display_service(uuid):
'''
Find and connect the SensorTag.
'''
tag = ble.device()
if tag.find('SensorTag') and tag.connect():
'''
Discover the service.
'''
s = tag.discover_service(uuid)
'''
Discover all characteristics for the service.
'''
tag.discover_characteristic(s)
'''
Discover all char_descs for each characteristic.
'''
for cc in s.chars:
c = s.chars[cc]
tag.discover_char_desc(c)
'''
Display the tag.
'''
print(tag)
'''
Disconnect the SensorTag.
'''
tag.disconnect()
def sensortag_display_service(uuid):
'''
Find and connect the SensorTag.
'''
tag = ble.device()
if tag.find('SensorTag') and tag.connect():
'''
Discover the service.
'''
s = tag.discover_service(uuid)
'''
Discover all characteristics for the service.
'''
tag.discover_characteristic(s)
'''
Discover all char_descs for each characteristic.
'''
for cc in s.chars:
c = s.chars[cc]
tag.discover_char_desc(c)
'''
Display the tag.
'''
print(tag)
'''
Disconnect the SensorTag.
'''
tag.disconnect()
def sensortag_display_services():
'''
Find and connect the SensorTag.
'''
tag = ble.device()
if tag.find('SensorTag') and tag.connect():
'''
Discover all services.
'''
tag.discover_service()
'''
Display the tag.
'''
print(tag)
'''
Disconnect the SensorTag.
'''
tag.disconnect()
def sensortag_display_services():
'''
Find and connect the SensorTag.
'''
tag = ble.device()
if tag.find('SensorTag') and tag.connect():
'''
Discover all services.
'''
tag.discover_service()
'''
Display the tag.
'''
print(tag)
'''
Disconnect the SensorTag.
'''
tag.disconnect()
def sensortag_read_temperature():
'''
Find and connect the SensorTag.
'''
tag = ble.device()
if tag.find('SensorTag') and tag.connect():
'''
Discover the Temperature Service.
'''
service = tag.discover_service(
desc_to_uuid('<<SensorTag Temperature Service>>'))
'''
Discover the config and data charactristics
'''
conf = tag.discover_characteristic(service, tiuuid('aa02'))
data = tag.discover_characteristic(service, tiuuid('aa01'))
if conf == None or data == None:
return
'''
Read data while temperature sensor is off.
'''
print(tag.char_read(data.value))
'''
Turn on the temperature sensor.
'''
tag.char_write_req(conf.handle, '01')
'''
Read data while temperature sensor is on.
'''
print(tag.char_read(data.value))
'''
Turn off the temperature sensor.
'''
tag.char_write_req(conf.handle, '00')
'''
Disconnect the SensorTag.
'''
tag.disconnect()
def sensortag_read_temperature():
'''
Find and connect the SensorTag.
'''
tag = ble.device()
if tag.find('SensorTag') and tag.connect():
'''
Discover the Temperature Service.
'''
service = tag.discover_service(
desc_to_uuid('<<SensorTag Temperature Service>>'))
'''
Discover the config and data charactristics
'''
conf = tag.discover_characteristic(service, tiuuid('aa02'))
data = tag.discover_characteristic(service, tiuuid('aa01'))
if conf == None or data == None:
return
'''
Read data while temperature sensor is off.
'''
print(tag.char_read(data.value))
'''
Turn on the temperature sensor.
'''
tag.char_write_req(conf.handle, '01')
'''
Read data while temperature sensor is on.
'''
print(tag.char_read(data.value))
'''
Turn off the temperature sensor.
'''
tag.char_write_req(conf.handle, '00')
'''
Disconnect the SensorTag.
'''
tag.disconnect()
def invalidate():
'''()->None
Invalidate the running firmware.
'''
'''
Find and connect the SensorTag.
'''
tag = ble.device()
if not (tag.find('SensorTag') and tag.connect()):
print('Fail to connect the SensorTag')
return
'''
Discover the OAD Service.
'''
service = tag.discover_service(
desc_to_uuid('<<SensorTag OAD Service>>'))
if service == None:
print('Fail to discover the OAD service')
return
'''
Discover the invalidate charactristic of the OAD Service.
'''
invalidate = tag.discover_characteristic(service, tiuuid('ffc3'))
if invalidate == None:
print('Fail to discover the invalidate characteristic of the OAD Service')
return
'''
Invalidate the running firmware
'''
tag.char_write_cmd(invalidate.value, 'EEEE')
print('Invalidate Done')
def update():
'''()->None
Update the firmware.
'''
'''
Find and connect the SensorTag.
'''
tag = ble.device()
if not (tag.find('SensorTag') and tag.connect()):
print('Fail to connect the SensorTag')
return
'''
Discover the OAD Service.
'''
service = tag.discover_service(
desc_to_uuid('<<SensorTag OAD Service>>'))
if service == None:
print('Fail to discover the OAD service')
return
'''
Discover the charactristics of the OAD Service.
'''
identify = tag.discover_characteristic(service, tiuuid('ffc1'))
block = tag.discover_characteristic(service, tiuuid('ffc2'))
if identify == None or block == None:
print('Fail to discover the characteristics of the OAD Service')
return
'''
Discover the char_descs of the OAD Service.
'''
ccc_identify = tag.discover_char_desc(identify,
desc_to_uuid('<<Client Characteristic Configuration>>'))
ccc_block = tag.discover_char_desc(block,
desc_to_uuid('<<Client Characteristic Configuration>>'))
if ccc_identify == None or ccc_block == None:
print('Fail to discover the char_descs of the OAD Service')
return
'''
Read the firmware version of the SensorTag
'''
tag.char_write_req(ccc_identify.handle, '0100')
handle, value = tag.char_write_expect_notificition(identify.value,
'0000000058585858')
if handle == None or value == None:
print('Fail to read the firmware version from the SensorTag')
return
firmware_version = value[1] * 256 + value[0]
'''
Open the bin file.
'''
file = tkFileDialog.askopenfile('rb')
if file == None:
print('Fail to open the bin file')
return
'''
Read the header from file.
'''
file.seek(4)
header = file.read(8)
version, length, uid = struct.unpack('2H4s', header)
header = header.encode('hex')
'''
Check the firmware version.
'''
if (version & 0x01) == (firmware_version & 0x01):
print("The running firmware can't be updated!")
return
'''
Confirm update.
'''
print('Current firmeware version is {0}, new firmeware version is \
{1}'.format(firmware_version, version))
s = raw_input('Input yes to continue:')
if s.lower() != 'yes':
return
'''
Start update
'''
tag.char_write_req(ccc_block.handle, '0100')
handle, value = tag.char_write_expect_notificition(identify.value, header)
if handle == None or value == None:
print('Fail to start update.')
return
if handle != block.value:
print('Update canceled by the SensorTag.')
return
total = math.ceil(length / 4)
number = value[1] * 256 + value[0]
'''
Send blocks
'''
while(handle == block.value and value != None and number < total):
'''
Calculate the block to send.
'''
number = value[1] * 256 + value[0]
'''
Read one block to send.
'''
file.seek(number * 16)
blk = file.read(16).encode('hex')
blk = '{0:02x}{1:02x}{2}'.format(number % 256, number / 256, blk)
'''
Send the block.
'''
print ('Update block #{0} of #{1}'.format(number, total))
handle, value = tag.char_write_expect_notificition(block.value, blk)
if number != total:
print('Fail to update the firmware.')
return
'''
Close file
'''
close(file)
print('Update done')
