示例#1
0
    def send_pwm_continuesly(self):
        with navio.pwm.PWM(self.rc_channel) as pwm:
            pwm.enable()
            pwm.set_period(50)

            def _max_pwm():
                pwm.set_duty_cycle(self.max_pwm)

            def send_max_pwm():
                rospy.loginfo("Sending max pwm ({}) to {}. channel...".format(
                    self.min_pwm, self.rc_channel))
                try:
                    _max_pwm()
                except:
                    rospy.logerr("Error occured while sending max pwm...")
                rospy.loginfo("Sent")
                self.pub_stat.publish("open")

            def _min_pwm():
                pwm.set_duty_cycle(self.min_pwm)

            def send_min_pwm():
                rospy.loginfo("Sending max pwm ({}) to {}. channel...".format(
                    self.min_pwm, self.rc_channel))
                try:
                    _min_pwm()
                except:
                    rospy.logerr("Error occured while sending min pwm...")
                rospy.loginfo("Sent")
                self.pub_stat.publish("close")

            while (True):
                if self.next_state == self.state:
                    if self.state == "open":
                        rospy.loginfo("STILL open")
                        send_min_pwm()
                    elif self.state == "close":
                        rospy.loginfo("STILL close")
                        send_max_pwm()
                    else:
                        rospy.logerr(
                            "States are the same but... unknown error happend..."
                        )
                else:
                    if self.next_state == "open":
                        rospy.loginfo("RECEIVED open")
                        send_min_pwm()
                        self.change_state("open")
                    elif self.next_state == "close":
                        rospy.loginfo("RECEIVED close")
                        send_max_pwm()
                        self.change_state("close")
                    else:
                        rospy.logerr("Ooo!")
        rospy.spin()
示例#2
0
def main():
    pwm = navio.pwm.PWM(PWM_OUTPUT)
    pwm.initialize()
    pwm.set_period(50)
    pwm.enable()

    loop_for(2, pwm.set_duty_cycle, SERVO_MAX)
    loop_for(2, pwm.set_duty_cycle, SERVO_MIN)
    loop_for(2, pwm.set_duty_cycle, SERVO_NOM)

    while (True):
        loop_for(1, pwm.set_duty_cycle, 1.3)
示例#3
0
#Spower = Decimal((1300.000 + (a * 700.000 / 640.000))/1000.000)
#Spower = round(Spower, 3)
#print Spower

pwm = navio.pwm.PWM(PWM_OUTPUT)
pwm2 = navio.pwm.PWM(PWM_OUTPUT2)
pwm3 = navio.pwm.PWM(PWM_OUTPUT3)
pwm4 = navio.pwm.PWM(PWM_OUTPUT4)

pwm.initialize()
pwm2.initialize()
pwm3.initialize()
pwm4.initialize()

pwm.set_period(50)
pwm2.set_period(50)
pwm3.set_period(50)
pwm4.set_period(50)

pwm.enable()
pwm2.enable()
pwm3.enable()
pwm4.enable()

t1 = threading.Thread(target=servo, args=[])
t1.start()

stream = io.BytesIO()

print "*****Command*****"
示例#4
0
import navio.pwm
import navio.util

navio.util.check_apm()

PWM_OUTPUT = 0
# These are just some good values to know when seting the motor power
SERVO_MIN = 1.250 #ms
SERVO_MAX = 1.750 #ms

# Now every time we want to use a motor, we have to enable it first 
# Let's enable all 4 (they're numbered 0-3)
pwmArray = []
for num in range(0,3+1): # This loops over 0,1,2,3
	pwm = navio.pwm.PWM(num)
	pwm.set_period(50)
	pwmArray.append(pwm)

cycles = 3; # How many cycles you want to spin the rotors for 
# Otherwise it'll keep spinning forever

while (cycles > 0):
	cycles -= 1
	# Now we alternate all motors between fast and slow 
	for pwm in pwmArray:
    		pwm.set_duty_cycle(SERVO_MIN)
    	# They will keep spinning until we send a new signal
   	time.sleep(1)
    	for pwm in pwmArray:
    		pwm.set_duty_cycle(SERVO_MAX)
    	time.sleep(1)
示例#5
0
import sys
import time

import navio.pwm
import navio.util

navio.util.check_apm()

PWM_OUTPUT = 0
SERVO_MIN = 1.200  #ms
SERVO_MAX = 1.800  #ms
sequence = [1.500, 1, 1.600, 1]

with navio.pwm.PWM(PWM_OUTPUT) as pwm:
    pwm.disable()
    pwm.set_period(20)
    time.sleep(3)
    pwm.enable()
    for v, i in enumerate(sequence):
        if v % 2 == 0:
            pwm.set_duty_cycle(i)
            print("set:{0}".format(i))
        else:
            time.sleep(i)
            print("wait:{0}".format(i))
    while True:
        pwm.set_duty_cycle(1.6)
    #print("Turning on")
    #time.sleep(5)
    #pwm.set_duty_cycle(1.700) # Give it a kick at first
    #print("Giving it a boost")
示例#6
0
import navio.pwm
import navio.adc
import navio.util

navio.util.check_apm()

adc = navio.adc.ADC()
results = [0] * adc.channel_count

PWM_OUTPUT = 0
SERVO_MIN = 1.000 #ms
SERVO_MAX = 1.500 #ms

pwm = navio.pwm.PWM(PWM_OUTPUT)
pwm.set_period(400)
#pwm.set_duty_cycle(SERVO_MIN)
#time.sleep(10)

while (True):

    results[5] = adc.read(5)
    duty=0.001*int(1000+900*results[5]/5000) #ms

    pwm.set_duty_cycle(duty)
    print duty    

    time.sleep(0.1)
#    pwm.set_duty_cycle(SERVO_MAX)
#    time.sleep(0.2)