def getrmc():
serial = wp.serialOpen("/dev/ttyAMA0", 57600) # open serial port
wp.serialFlush(serial)
print(serial)
while True: # repeat until we get a RMC NMEA string
gpsstring = ""
while True: # repeat until we have a complete string
if (wp.serialDataAvail(serial) > 0):
letter = wp.serialGetchar(serial)
if letter == 10:
break
else:
gpsstring += str(chr(letter))
if (gpsstring[3:6] == "RMC"):
break
wp.serialClose(serial)
return (gpsstring)
def getrmc():
serial = wp.serialOpen("/dev/ttyAMA0",57600) # open serial port
wp.serialFlush(serial)
print(serial)
while True: # repeat until we get a RMC NMEA string
gpsstring = ""
while True: # repeat until we have a complete string
if (wp.serialDataAvail(serial) > 0):
letter = wp.serialGetchar(serial)
if letter == 10:
break
else:
gpsstring += str(chr(letter))
if (gpsstring[3:6]=="RMC"):
break
wp.serialClose(serial)
return(gpsstring)
def arduinoListen():
global wiringpi2
global arduinoIn
global arduino
wiringpi2.wiringPiSetup()
arduino = wiringpi2.serialOpen("/dev/ttyACM0", 9600)
wiringpi2.delay(250)
wiringpi2.pinMode(0,1)
wiringpi2.digitalWrite(0, 1)
arduinoInReady.acquire()
arduinoListenerReady.set()
while(True):
while(True):
if(wiringpi2.serialDataAvail(arduino) > 0):
arduinoIn = chr(wiringpi2.serialGetchar(arduino))
arduinoInReady.release()
time.sleep(0.5)
break
else:
time.sleep(0.5)
arduinoInReady.acquire()
import wiringpi2 as wiringpi
import time
wiringpi.wiringPiSetup()
serial = wiringpi.serialOpen('/dev/ttyS0', 9600)
if serial == -1:
print 'error opening serial at /dev/ttyS0'
sys.exit(0)
print 'serial opened'
i = 0
while True:
if (wiringpi.serialDataAvail(serial) > 0):
line = wiringpi.serialGetchar(serial)
print line
def dataListen():
global wiringpi2
global dataIn
global middleLayer
global data
wiringpi2.wiringPiSetup()
middleLayer = wiringpi2.serialOpen("/dev/ttyACM0", 9600) #Open serial port for middle layer communication
wiringpi2.delay(250)
start = time.time()
while(True):
if(wiringpi2.serialDataAvail(middleLayer) > 0):
time.sleep(0.02)
newInput = []
info = wiringpi2.serialGetchar(middleLayer)
#The first byte is read as a number between 000-255 that gives info about this data packet
#The hundreds place digit represents if this input contains left (0), back (1), or right (2) range data
#The remainder of the number divided by 100 represents how many bytes total are in this data packet
key = info / 100 # 0: left range data, 1: back range data, 2: right range data
length = info % 100 # number of bytes in this data packet
newInput.append(round(time.time() - start, 2)) #Store timestamp
newInput.append(key) #Store key for left/back/right range data choice
newInput.append(wiringpi2.serialGetchar(middleLayer)) #Store height value
front = 0
sizeOfFront = wiringpi2.serialGetchar(middleLayer) #Check how many bytes are needed for front range value
for i in range(0, sizeOfFront):
front += wiringpi2.serialGetchar(middleLayer) #Sum up front range value bytes
newInput.append(front) #Store front range value
#Store left/right/back range value, thrust value, yaw value, aileron value, and elevator value
for i in range(0, 5):
newInput.append(wiringpi2.serialGetchar(middleLayer))
#IMU readings
num = wiringpi2.serialGetchar(middleLayer) #First byte is one's place value
dec = wiringpi2.serialGetchar(middleLayer) / 100.00 #Second byte is decimal value stored as an integer
heading = num + dec #Combine bytes to get heading value
newInput.append(heading) #Store heading value
numSign = wiringpi2.serialGetchar(middleLayer) #First byte is sign of roll value
if(numSign == 0):
numSign = -1
num = wiringpi2.serialGetchar(middleLayer) #Second byte is one's place value
dec = wiringpi2.serialGetchar(middleLayer) / 100.00 #Third byte is decimal value stored as an integer
pitch = (numSign)*(num + dec) #Combine bytes to get pitch value
newInput.append(pitch) #Store pitch value
numSign = wiringpi2.serialGetchar(middleLayer) #First byte is sign of roll value
if(numSign == 0):
numSign = -1
num = wiringpi2.serialGetchar(middleLayer) #Second byte is one's place value
dec = wiringpi2.serialGetchar(middleLayer) / 100.00 #Third byte is decimal value stored as an integer
roll = (numSign)*(num + dec) #Combine bytes to get roll value
newInput.append(roll) #Store roll value
#Create DataStream object from input data and add to dataIn to be used by control algorithms
dataIn.append(DataStream(newInput))
#Add new DataStream object to DataLog
data.add(dataIn[-1])
time.sleep(0.03)
else:
time.sleep(0.05)
if serial < 0:
print("Unable to open serial device: \n")
sys.exit()
if wiringpi2.wiringPiSetup() == -1:
print("Unable to start wiringPi: \n")
sys.exit()
i = 0
length = 0
rssi = 0
while True:
# print(wiringpi2.serialDataAvail(serial))
while wiringpi2.serialDataAvail(serial):
get = wiringpi2.serialGetchar(serial)
if get == 0x7e:
i = 0
print("\nBtye started")
if i == 2:
length = get
print("length: ", length)
if i == 6:
rssi = get
print("rssi: ", rssi)
if i == 8:
data = get
print("data: ", data)
#this example need change script.bin
#[uart_para6]
#uart_used = 1
#uart_port = 6
#uart_type = 2
#uart_tx = port:PI12<3><1><default><default>
#uart_rx = port:PI13<3><1><default><default>
#PI12: pin46[U14 Next to sata]
#PI13: pin48[U14 Next to sata]
serial = wiringpi2.serialOpen('/dev/ttyS6', 115200)
wiringpi2.serialPuts(serial, "\n")
print serial
wiringpi2.serialPuts(serial, "Putchar:")
wiringpi2.serialPutchar(serial, 0x38) #sent ascii 0x38: 8
#wiringpi2.serialPutchar(serial,0x65)#sent ascii 0x68: A
wiringpi2.serialPuts(serial, "\n")
wiringpi2.serialPuts(serial, "Puts:")
wiringpi2.serialPuts(serial, "hello\n")
wiringpi2.serialPuts(serial, "Printf:")
wiringpi2.serialPrintf(serial, "hello\n")
#####get data from serial
while 1:
if wiringpi2.serialDataAvail(serial):
val = wiringpi2.serialGetchar(serial)
print chr(val)
#wiringpi2.serialClose(serial) # Pass in ID