def rtc():
from pytronics import i2cRead, i2cWrite
import json
if 'command' in request.form:
command = request.form['command']
if command == 'set_rtc':
set_rtc()
elif command == 'set_rascal':
set_rascal()
elif command == 'start':
i2cWrite(0x68, 0, i2cRead(0x68, 0) & 0x7f)
elif command == 'stop':
i2cWrite(0x68, 0, i2cRead(0x68, 0) | 0x80)
elif command == 'reset':
i2cWrite(0x68, 0, [0x80, 0, 0], 'I')
return json.dumps(i2cRead(0x68, 0, 'I', 7))
def headlines():
global headlines, lastFeed, lastSlot, lastUpdate
import time, json
try:
feed = int(request.form['feed'])
except KeyError:
feed = 0
try:
temp = pytronics.i2cRead(0x48, 0, 'I', 2)
strTemp = '{0:0.1f}{1}C'.format(
((temp[0] << 4) | (temp[1] >> 4)) * 0.0625, unichr(176))
except:
strTemp = ''
now = time.localtime()
# Update headlines every five minutes
slot = now.tm_min / 5
if feed != lastFeed or slot != lastSlot:
headlines = getHeadlines(feed)
lastFeed = feed
lastSlot = slot
lastUpdate = time.strftime('%H:%M %Z', now)
updated = True
else:
updated = False
data = {
'date': time.strftime('%a, %d %b %Y %H:%M %Z', now),
'temp': strTemp,
'headlines': headlines,
'updated': updated,
'lastUpdate': lastUpdate
}
return json.dumps(data)
def init():
global initialised
mode1 = i2cRead(0x40, PCA_INC_NONE | 0, 'B')
if mode1 != 0:
print '## dimmer ## Initialising (MODE1 was 0x{0:02X})'.format(mode1)
settings = json.loads(jsettings)
i2cWrite(0x40, PCA_INC_ALL | 0, settings, 'I')
initialised = True
def read_sensor(address):
import pytronics
try:
data = pytronics.i2cRead(address, size='W')
except:
print 'Couldn\'t get reading from sensor'
return 0.0
return ((data % 0x0100 * 16) + (data / 0x1000)) * 0.0625
def read_sensor(address):
import pytronics
try:
data = pytronics.i2cRead(address, size="W")
except:
print "Couldn't get reading from sensor"
return 0.0
return ((data % 0x0100 * 16) + (data / 0x1000)) * 0.0625
def set_rascal ():
from pytronics import i2cRead
import subprocess
try:
ar = i2cRead(0x68, 0, 'I', 7)
args = '20{0:02x}.{1:02x}.{2:02x}-{3:02x}:{4:02x}:{5:02x}'.format(ar[6], ar[5], ar[4], ar[2], ar[1], ar[0])
subp = subprocess.Popen([ 'date', args], stdout=subprocess.PIPE)
print '## set_rascal ## ' + subp.communicate()[0].strip()
except Exception, e:
print '## set_rascal ## Unexpected error: %s' % str(e)
def i2cget(addr, reg, mode):
iaddr = int(addr, 0)
ireg = int(reg, 0)
try:
res = pytronics.i2cRead(iaddr, ireg, mode)
print '## i2cget ## {0}'.format(res)
return str(res)
except (OSError, IOError) as e:
import errno
print '## i2cget ## Error: [{0}] {1}'.format(errno.errorcode[e.errno], e.strerror)
return str(-1)
except Exception as e:
return 'Internal server error', 500
def headlines():
global headlines, headlinesTag, headlinesLastMod, weather, weatherTag, weatherLastMod, lastFeed, lastForecast, lastSlot, lastUpdate
import time, json
try:
feed = int(request.form['feed'])
except KeyError:
feed = 0
try:
forecast = int(request.form['forecast'])
except KeyError:
forecast = 0
locationID = getLocationID()
try:
temp = pytronics.i2cRead(0x48, 0, 'I', 2)
strTemp = '{0:0.1f}{1}C'.format(
((temp[0] << 4) | (temp[1] >> 4)) * 0.0625, unichr(176))
except:
strTemp = ''
try:
now = time.localtime()
# Update headlines every five minutes
slot = now.tm_min / 5
updated = False
if feed != lastFeed or forecast != lastForecast or slot != lastSlot:
try:
if feed != lastFeed:
headlinesTag = '""'
headlinesLastMod = ''
result = getHeadlines(feed, headlinesLastMod)
if result['status'] == 200:
headlinesTag = result['tag']
headlinesLastMod = result['lastMod']
headlines = result['data']
lastUpdate = time.strftime('%H:%M %Z', now)
updated = True
except Exception, e:
print '## getHeadlines ## Unexpected error: %s' % str(e)
try:
result = getWeather(locationID, forecast, weatherTag)
if result['status'] == 200:
weatherTag = result['tag']
weatherLastMod = result['lastMod']
weather = result['data']
if not updated:
lastUpdate = time.strftime('%H:%M %Z', now)
updated = True
except Exception, e:
print '## getWeather ## Unexpected error: %s' % str(e)
lastFeed = feed
lastForecast = forecast
lastSlot = slot
def i2cget(addr, reg, mode):
iaddr = int(addr, 0)
ireg = int(reg, 0)
try:
res = pytronics.i2cRead(iaddr, ireg, mode)
print '## i2cget ## {0}'.format(res)
return str(res)
except (OSError, IOError) as e:
import errno
print '## i2cget ## Error: [{0}] {1}'.format(errno.errorcode[e.errno],
e.strerror)
return str(-1)
except Exception as e:
return 'Internal server error', 500
def dimmer():
try:
if not initialised:
init()
if 'command' in request.form:
command = request.form['command']
if command == 'read_status':
return json.dumps(i2cRead(0x40, PCA_INC_ALL | 0, 'I', 28))
elif command == 'set_brightness':
ireg = int(request.form['register'], 0)
ival = int(request.form['value'], 0)
i2cWrite(0x40, ireg, ival, 'B')
return 'OK', 200
except Exception as e:
print '## dimmer ## Unexpected error {0}'.format(e)
return 'Bad request', 400
def i2c_read():
import json
try:
params = json.loads(request.form['params'])
print '## i2c_read ## ' + str(params)
value = pytronics.i2cRead(params['addr'], params['reg'],
params['size'], params['length'])
result = {'success': True, 'value': value}
return json.dumps(result)
except (OSError, IOError) as e:
import errno
print '## i2c_read ## Error: [{0}] {1}'.format(
errno.errorcode[e.errno], e.strerror)
result = {
'success': False,
'errorCode': errno.errorcode[e.errno],
'errorMessage': e.strerror
}
return json.dumps(result)
except Exception as e:
return 'Internal server error', 500
def i2c_read():
import json
try:
params = json.loads(request.form['params'])
print '## i2c_read ## ' + str(params)
value = pytronics.i2cRead(params['addr'], params['reg'], params['size'], params['length'])
result = {
'success': True,
'value': value
}
return json.dumps(result)
except (OSError, IOError) as e:
import errno
print '## i2c_read ## Error: [{0}] {1}'.format(errno.errorcode[e.errno], e.strerror)
result = {
'success': False,
'errorCode': errno.errorcode[e.errno],
'errorMessage': e.strerror
}
return json.dumps(result)
except Exception as e:
return 'Internal server error', 500
def blinkm_get_rgb(address):
rgb = pytronics.i2cRead(int(address), 0x67, 'I', 3)
return json.dumps(zip(['red', 'green', 'blue'], rgb))
def blinkm_get_rgb(address):
rgb = pytronics.i2cRead(int(address), 0x67, 'I', 3)
return json.dumps(zip(['red', 'green', 'blue'], rgb))
def blinkm_get_hsb(address):
rgb = pytronics.i2cRead(int(address), 0x67, 'I', 3)
return json.dumps(
zip(['hue', 'saturation', 'brightness'],
colorsys.rgb_to_hsv(rgb[0] / 255.0, rgb[1] / 255.0,
rgb[2] / 255.0)))
def log_value(num):
import datalogger
artemp = pytronics.i2cRead(0x48, 0, 'I', 2)
ftemp = ((artemp[0] << 4) | (artemp[1] >> 4)) * 0.0625
# print '## temp_log ## ' + str(ftemp)
datalogger.log(ftemp)
def blinkm_get_hsb(address):
rgb = pytronics.i2cRead(int(address), 0x67, 'I', 3)
return json.dumps(zip(['hue', 'saturation', 'brightness'], colorsys.rgb_to_hsv(rgb[0]/255.0, rgb[1]/255.0, rgb[2]/255.0)))
def log_value(num):
import datalogger
artemp = pytronics.i2cRead(0x48, 0, 'I', 2)
ftemp = ((artemp[0] << 4) | (artemp[1] >> 4)) * 0.0625
# print('## temp_log ## ' + str(ftemp))
datalogger.log(ftemp)
