def ReadByte():
byte = 0
for i in range(8):
time.sleep(0.000001)
if pol == 0:
GPIO.output(SCK, HIGH)
else:
GPIO.output(SCK, LOW)
if pha == 0:
if GPIO.input(MISO) == 1:
if pol == 0:
byte |= 1
else:
byte |= 0
else:
if pol == 0:
byte |= 0
else:
byte |= 1
if i != 7:
byte <<= 1
time.sleep(0.000001)
GPIO.output(SCK, LOW)
if pha == 1:
if GPIO.input(MISO) == 1:
if pol == 0:
byte |= 1
else:
byte |= 0
else:
if pol == 0:
byte |= 0
else:
byte |= 1
if i != 7:
byte <<= 1
return byte
def ReadByte():
byte = 0
for i in range(8):
time.sleep(0.000001)
if pol == 0:
GPIO.output(SCK, HIGH)
else:
GPIO.output(SCK, LOW)
if pha == 0:
if GPIO.input(MISO) == 1:
if pol == 0:
byte |= 1
else:
byte |= 0
else:
if pol == 0:
byte |= 0
else:
byte |= 1
if i != 7:
byte <<= 1
time.sleep(0.000001)
GPIO.output(SCK, LOW)
if pha == 1:
if GPIO.input(MISO) == 1:
if pol == 0:
byte |= 1
else:
byte |= 0
else:
if pol == 0:
byte |= 0
else:
byte |= 1
if i != 7:
byte <<= 1
return byte;
def receive(self):
temp = 0
GPIO.setup(self.dio, GPIO.IN, pull_up_down=GPIO.PUD_UP)
for i in range(8):
temp >>= 1
GPIO.output(self.clk, GPIO.LOW)
if GPIO.input(self.dio):
temp |= 0x80
GPIO.output(self.clk, GPIO.HIGH)
GPIO.setup(self.dio, GPIO.OUT)
return temp
def receive(self):
temp = 0
GPIO.setup(self.dio, GPIO.IN, pull_up_down=GPIO.PUD_UP)
for i in range(8):
temp >>= 1
GPIO.output(self.clk,GPIO.LOW)
if GPIO.input(self.dio):
temp |= 0x80
GPIO.output(self.clk,GPIO.HIGH)
GPIO.setup(self.dio, GPIO.OUT)
return temp
def readadc(ADC):
'''
Read adc data from specified channels
'''
# ADC inputs
readings = {}
cell = 0
prev_cell_values = 0
for channel in range(ADC['minch'], ADC['maxch'] + 1):
# Start the communication with the the device
# If the device was powered up with the CS line low, it must be
# brought high and back low to initiate communication.
# So always here, first the CS signal is put high and then put low.
GPIO.output(ADC['cs'], True)
# Perform the start signal
GPIO.output(ADC['clk'], False)
GPIO.output(ADC['cs'], False)
# Set the command
# Start and single bits set
# Examples: let channel 7, 7 | 0x18 = 0x1F = 11111
# Start Single/Diff D2 D1 D0
# 1 1 1 1 1
# let channel 5, 5 | 0x18 = 0x1D = 11101
# Start Single/Diff D2 D1 D0
# 1 1 1 0 1
command = 0
command = channel | 0x18
for i in range (5):
# Check most significant bit of the five
if (command & 0x10):
GPIO.output(ADC['mosi'], True)
else:
GPIO.output(ADC['mosi'], False)
# Shift left the command to send the next bit
command <<= 1
GPIO.output(ADC['clk'], True)
GPIO.output(ADC['clk'], False)
adcout = 0
# read one empty bit, one null bit and 10 ADC data bits
for i in range(12):
GPIO.output(ADC['clk'], True)
GPIO.output(ADC['clk'], False)
data = GPIO.input(ADC['miso'])
# Shift left the reading from the ADC to set the next bit
adcout <<= 1
# Introduce the received bit
adcout |= data
GPIO.output(ADC['cs'], True)
# Set the reading of the corresponding channel
# The less significant bit is a meaningless bit (NULL bit)
adcout >>= 1
if ADC['voltage_div']:
print "adcout = %s" % adcout
# Read voltage from the voltage divider
vin = (adcout * ADC['vref']) / 1024.0
# Read voltage from the battery
r1 = ADC['r'][cell][0]
r2 = ADC['r'][cell][1]
value = (vin * (r1 + r2)) / r1
# Voltage of the corresponding cell
readings[cell] = (value - prev_cell_values, percentage (value - prev_cell_values))
prev_cell_values = value
else:
# Read voltage from the voltage divider
vin = (adcout * ADC['vref']) / 1024.0
readings[cell] = ((adcout * ADC['vref']) / 1024.0, 100.0)
cell +=1
return readings
ans = requests.get(tts_server + '?tex=' + tex +
'&lan=zh&cuid=112233445566&ctp=1&tok=' + access_token)
audio = open('./tmp.mp3', 'wb')
audio.write(ans.content)
GPIO.init()
BUTTON = GPIO.PD2
LED = GPIO.PD1
GPIO.setcfg(BUTTON, GPIO.IN)
GPIO.setcfg(LED, GPIO.OUT)
r = 0
print "Ready"
while True:
state = GPIO.input(BUTTON)
if state == GPIO.HIGH and r == 0:
child = subprocess.Popen(
"arecord -D \"plughw:1,0\" -r 16000 -c 1 -f S16_LE ./tmp.wav",
shell=True)
r = 1
elif state == GPIO.LOW and r == 1:
print child.pid
time.sleep(0.2)
subprocess.call("kill " + str(child.pid + 1), shell=True)
#subprocess.call("python wav.py",shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
rs = baidu_asr('./tmp.wav')
#print type(rs[u'err_no'])
if rs[u'err_no'] == 0:
vtt = ''.join(rs[u'result'])
if u'开灯' in vtt:
def tts(tex):
ans = requests.get(tts_server+'?tex='+tex+'&lan=zh&cuid=112233445566&ctp=1&tok='+access_token)
audio = open('./tmp.mp3','wb')
audio.write(ans.content)
GPIO.init()
BUTTON = GPIO.PD2
LED = GPIO.PD1
GPIO.setcfg(BUTTON, GPIO.IN)
GPIO.setcfg(LED, GPIO.OUT)
r = 0
print "Ready"
while True:
state = GPIO.input(BUTTON)
if state == GPIO.HIGH and r == 0 :
child = subprocess.Popen("arecord -D \"plughw:1,0\" -r 16000 -c 1 -f S16_LE ./tmp.wav",shell=True)
r = 1
elif state == GPIO.LOW and r == 1 :
print child.pid
time.sleep(0.2)
subprocess.call("kill "+str(child.pid+1), shell=True)
r = 0
#subprocess.call("python wav.py ./tmp.wav",shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
rs = baidu_asr('./tmp.wav')
#print type(rs[u'err_no'])
if rs[u'err_no'] == 0:
vtt = ''.join(rs[u'result'])
if u'开灯' in vtt:
GPIO.output(LED, GPIO.HIGH)
