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Harald Hoyer 2017-04-20 07:44:37 +02:00
parent 2d011987d7
commit 00c9b306b0
3 changed files with 84 additions and 88 deletions
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68
PowerMeterTx.py
View file

@ -1,68 +0,0 @@
import sys
from ant.core import message
from ant.core.constants import *
from ant.core.exceptions import ChannelError
from constants import *
VPOWER_DEBUG = False
CHANNEL_PERIOD = 8182
# Transmitter for Bicycle Power ANT+ sensor
class PowerMeterTx(object):
class PowerData:
def __init__(self):
self.eventCount = 0
self.eventTime = 0
self.cumulativePower = 0
self.instantaneousPower = 0
def __init__(self, antnode, sensor_id):
self.antnode = antnode
# Get the channel
self.channel = antnode.getFreeChannel()
try:
self.channel.name = 'C:POWER'
self.channel.assign('N:ANT+', CHANNEL_TYPE_TWOWAY_TRANSMIT)
self.channel.setID(POWER_DEVICE_TYPE, sensor_id, 0)
self.channel.setPeriod(8182)
self.channel.setFrequency(57)
except ChannelError as e:
print "Channel config error: "+e.message
self.powerData = PowerMeterTx.PowerData()
def open(self):
self.channel.open()
def close(self):
self.channel.close()
def unassign(self):
self.channel.unassign()
# Power was updated, so send out an ANT+ message
def update(self, power, cadence):
if VPOWER_DEBUG: print 'PowerMeterTx: update called with power ', power
self.powerData.eventCount = (self.powerData.eventCount + 1) & 0xff
if VPOWER_DEBUG: print 'eventCount ', self.powerData.eventCount
self.powerData.cumulativePower = (self.powerData.cumulativePower + int(power)) & 0xffff
if VPOWER_DEBUG: print 'cumulativePower ', self.powerData.cumulativePower
self.powerData.instantaneousPower = int(power)
if VPOWER_DEBUG: print 'instantaneousPower ', self.powerData.instantaneousPower
payload = chr(0x10) # standard power-only message
payload += chr(self.powerData.eventCount)
payload += chr(0xFF) # Pedal power not used
payload += chr(cadence)
payload += chr(self.powerData.cumulativePower & 0xff)
payload += chr(self.powerData.cumulativePower >> 8)
payload += chr(self.powerData.instantaneousPower & 0xff)
payload += chr(self.powerData.instantaneousPower >> 8)
ant_msg = message.ChannelBroadcastDataMessage(self.channel.number, data=payload)
#sys.stdout.write('+')
#sys.stdout.flush()
if VPOWER_DEBUG: print 'Write message to ANT stick on channel ' + repr(self.channel.number)
self.antnode.driver.write(ant_msg.encode())

20
constants.py
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@ -1,20 +0,0 @@
SPEED_DEVICE_TYPE = 0x7B
CADENCE_DEVICE_TYPE = 0x7A
SPEED_CADENCE_DEVICE_TYPE = 0x79
POWER_DEVICE_TYPE = 0x0B
# Get the serial number of Raspberry Pi
def getserial():
# Extract serial from cpuinfo file
cpuserial = "0000000000000000"
try:
f = open('/proc/cpuinfo', 'r')
for line in f:
if line[0:6] == 'Serial':
cpuserial = line[10:26]
f.close()
except:
cpuserial = "ERROR000000000"
return cpuserial

84
iconsole.py
View file

@ -48,6 +48,9 @@ from ant.core import node
from PowerMeterTx import PowerMeterTx from PowerMeterTx import PowerMeterTx
from constants import * from constants import *
from bluetooth import * from bluetooth import *
from ant.core import message
from ant.core.constants import *
from ant.core.exceptions import ChannelError
INIT_A0 = struct.pack('BBBBB', 0xf0, 0xa0, 0x02, 0x02, 0x94) INIT_A0 = struct.pack('BBBBB', 0xf0, 0xa0, 0x02, 0x02, 0x94)
PING = struct.pack('BBBBB', 0xf0, 0xa0, 0x01, 0x01, 0x92) PING = struct.pack('BBBBB', 0xf0, 0xa0, 0x01, 0x01, 0x92)
@ -64,6 +67,87 @@ LOG = None
NETKEY = '\xB9\xA5\x21\xFB\xBD\x72\xC3\x45' NETKEY = '\xB9\xA5\x21\xFB\xBD\x72\xC3\x45'
power_meter = None power_meter = None
SPEED_DEVICE_TYPE = 0x7B
CADENCE_DEVICE_TYPE = 0x7A
SPEED_CADENCE_DEVICE_TYPE = 0x79
POWER_DEVICE_TYPE = 0x0B
VPOWER_DEBUG = False
CHANNEL_PERIOD = 8182
# Get the serial number of Raspberry Pi
def getserial():
# Extract serial from cpuinfo file
cpuserial = "0000000000000000"
try:
f = open('/proc/cpuinfo', 'r')
for line in f:
if line[0:6] == 'Serial':
cpuserial = line[10:26]
f.close()
except:
cpuserial = "ERROR000000000"
return cpuserial
# Transmitter for Bicycle Power ANT+ sensor
class PowerMeterTx(object):
class PowerData:
def __init__(self):
self.eventCount = 0
self.eventTime = 0
self.cumulativePower = 0
self.instantaneousPower = 0
def __init__(self, antnode, sensor_id):
self.antnode = antnode
# Get the channel
self.channel = antnode.getFreeChannel()
try:
self.channel.name = 'C:POWER'
self.channel.assign('N:ANT+', CHANNEL_TYPE_TWOWAY_TRANSMIT)
self.channel.setID(POWER_DEVICE_TYPE, sensor_id, 0)
self.channel.setPeriod(8182)
self.channel.setFrequency(57)
except ChannelError as e:
print "Channel config error: "+e.message
self.powerData = PowerMeterTx.PowerData()
def open(self):
self.channel.open()
def close(self):
self.channel.close()
def unassign(self):
self.channel.unassign()
# Power was updated, so send out an ANT+ message
def update(self, power, cadence):
if VPOWER_DEBUG: print 'PowerMeterTx: update called with power ', power
self.powerData.eventCount = (self.powerData.eventCount + 1) & 0xff
if VPOWER_DEBUG: print 'eventCount ', self.powerData.eventCount
self.powerData.cumulativePower = (self.powerData.cumulativePower + int(power)) & 0xffff
if VPOWER_DEBUG: print 'cumulativePower ', self.powerData.cumulativePower
self.powerData.instantaneousPower = int(power)
if VPOWER_DEBUG: print 'instantaneousPower ', self.powerData.instantaneousPower
payload = chr(0x10) # standard power-only message
payload += chr(self.powerData.eventCount)
payload += chr(0xFF) # Pedal power not used
payload += chr(cadence)
payload += chr(self.powerData.cumulativePower & 0xff)
payload += chr(self.powerData.cumulativePower >> 8)
payload += chr(self.powerData.instantaneousPower & 0xff)
payload += chr(self.powerData.instantaneousPower >> 8)
ant_msg = message.ChannelBroadcastDataMessage(self.channel.number, data=payload)
#sys.stdout.write('+')
#sys.stdout.flush()
if VPOWER_DEBUG: print 'Write message to ANT stick on channel ' + repr(self.channel.number)
self.antnode.driver.write(ant_msg.encode())
class IConsole(object): class IConsole(object):
def __init__(self, got): def __init__(self, got):
gota = struct.unpack('BBBBBBBBBBBBBBBBBBBBB', got) gota = struct.unpack('BBBBBBBBBBBBBBBBBBBBB', got)