7,8 → 7,8 |
|
|
#uncomment for debbug purposes |
import logging |
logging.basicConfig(level=logging.DEBUG) |
#import logging |
#logging.basicConfig(level=logging.DEBUG) |
|
import sys |
import time |
116,7 → 116,6 |
self.Move(units) |
while self.IsBusy(): |
pass |
time.sleep(0.8) |
|
def Float(self): |
' switch H-bridge to High impedance state ' |
124,10 → 123,12 |
|
def ReadStatusBit(self, bit): |
' Report given status bit ' |
self.spi.xfer([0x39]) # Get status command |
data = self.spi.readbytes(1) # 1st byte |
data = data + (self.spi.readbytes(1)) # 1st byte |
print data |
self.spi.xfer([0x39]) # Read from address 0x19 (STATUS) |
self.spi.xfer([0x00]) |
data = self.spi.readbytes(2) # 1st byte |
#self.spi.xfer([0x00]) |
#data1 = self.spi.readbytes(1) # 2nd byte |
#print hex(data0), hex(data1) |
if bit > 7: # extract requested bit |
OutputBit = (data[0] >> (bit - 8)) & 1 |
else: |
134,7 → 135,6 |
OutputBit = (data[1] >> bit) & 1 |
return OutputBit |
|
|
|
def IsBusy(self): |
""" Return True if tehre are motion """ |
153,7 → 153,7 |
print "SPI configuration.." |
spi = spidev.SpiDev() # create a spi object |
spi.open(0, 0) # open spi port 0, device (CS) 0 |
spi.mode = 0b01 |
spi.mode = 1 |
spi.lsbfirst = False |
spi.bits_per_word = 8 |
spi.cshigh = False |
170,10 → 170,9 |
print i |
X.MoveWait(DISTANCE) # move forward and wait for motor stop |
print "Changing direction of rotation.." |
time.sleep(1.1) |
X.MoveWait(-DISTANCE) # move backward and wait for motor stop |
print "Changing direction of rotation.." |
time.sleep(1.1) |
|
X.Float() # release power |
|
|