if 'TPV' in current:
gpsData=current['TPV']
conn = sqlite3.connect(filename)
c = conn.cursor()
ts = datetime.datetime.now()
if gpsData != None and set(gpsData.keys()).issuperset(['lat','lon','speed','time']):
c.execute(withGPS,
(dataset, ts, ch[0],ch[1],ch[2],ch[3],gpsData['lat'],gpsData['lon'],gpsData['speed'],gpsData['time']))
else:
c.execute(withoutGPS, (dataset, ts, ch[0],ch[1],ch[2],ch[3]))
conn.commit()
conn.close()
if hasGrid and grid.clear() == -1:
hasGrid = False
if hasGrid:
steps=[None]*displayChannels
for i in range(displayChannels):
steps[i] = int(math.floor(ch[i] / 5000 * 64 / displayChannels))
fullrows = int(math.floor(steps[i]/8))
partrows = int(steps[i] % 8)
for x in range(fullrows):
for y in range(8):
grid.setPixel(x+i*8/displayChannels,y)
for y in range(partrows):
grid.setPixel(fullrows+i*8/displayChannels,y)
from adafruit.Adafruit_LEDBackpack.Adafruit_8x8 import EightByEight
import time
PATTERN_N = [0x81, 0x83, 0x85, 0x89, 0x91, 0xA1, 0xC1, 0x81]
PATTERN_A = [0x81, 0x81, 0x81, 0x81, 0xFF, 0x42, 0x24, 0x18]
def writePattern(pattern):
for row in range(8):
grid.writeRowRaw(row, pattern[row])
grid = EightByEight(address=0x70)
grid.clear()
while True:
writePattern( PATTERN_A )
time.sleep(0.5)
writePattern( PATTERN_N )
time.sleep(0.5)
print ""
gpsData = gps.GPS.read()
conn = sqlite3.connect(filename)
c = conn.cursor()
ts = datetime.datetime.now()
if gpsData:
c.execute(withGPS, (dataset, ts, ch[0], ch[1], ch[2], ch[3],
gpsData['lat'], gpsData['lng'], gpsData['speed']))
else:
c.execute(withoutGPS, (dataset, ts, ch[0], ch[1], ch[2], ch[3]))
conn.commit()
conn.close()
if hasGrid and grid.clear() == -1:
hasGrid = False
if hasGrid:
for i in range(displayChannels):
steps[i] = math.floor(ch[i] / 5000 * 64 / displayChannels)
fullrows = math.floor(steps[i] / 8 * displayChannels)
partrows = steps[i] * displayChannels % 8
for x in range(fullrows):
for y in range(0, 8):
grid.setPixel(x + 8 * i, y)
for y in range(0, partrows):
grid.setPixel(fullrows, y)
# print "Channels: %.3f, %.3f, %.3f, %.3f V" % (ch[0],ch[1],ch[2],ch[3])
# print "Steps = %d" % (steps)
# i=0
