def msg(self, aSpeed, aLen, aMsg):
""" send/rcv message
aSpeed : spi speed
aLen : number of bits to send
aMsg : list of bytes to send (max 8)
"""
if aLen <= 0:
raise AsSpiError("aLen must be upper than 0")
if aLen > 64:
raise AsSpiError("aLen can't be upper than 64")
if type(aMsg) != type([]):
raise AsSpiError("aMsg argument must be a list")
if len(aMsg) <= 0:
raise AsSpiError("aMsg list must have at least one value")
if len(aMsg) > 8:
raise AsSpiError("aMsg list can have 8 values maximum")
if aLen%8 == 0:
list_len = aLen/8
else:
list_len = (aLen/8) + 1
msg = aMsg + [0 for i in range(8 - list_len)]
try:
return wrapper.spi_msg(self.__device, aSpeed, aLen,
msg[7], msg[6], msg[5], msg[4], msg[3], msg[2], msg[1], msg[0])
except Exception, e:
raise AsSpiError(str(e))
def setBitsPerWord(self, aBits):
""" Set bits per word
"""
try:
return wrapper.spi_set_bits_per_word(self.__device, aBits)
except Exception, e:
raise AsSpiError(str(e))
def getSpeed(self):
""" get speed
"""
try:
return wrapper.spi_get_speed(self.__device)
except Exception, e:
raise AsSpiError(str(e))
def setSpeed(self, aSpeed):
""" Set speed
"""
try:
return wrapper.spi_set_speed(self.__device, aSpeed)
except Exception, e:
raise AsSpiError(str(e))
def getSpeed(self):
""" get speed
"""
try:
return wrapper.spi_get_speed(self.__device)
except Exception, e:
raise AsSpiError(str(e))
def getLsb(self):
""" Get lsb
"""
try:
return wrapper.spi_get_lsb(self.__device)
except Exception, e:
raise AsSpiError(str(e))
def getMode(self):
""" Set mode
"""
try:
return wrapper.spi_get_mode(self.__device)
except Exception, e:
raise AsSpiError(str(e))
def msg(self, aSpeed, aLen, aMsg):
""" send/rcv message
aSpeed : spi speed
aLen : number of bits to send
aMsg : list of bytes to send (max 8)
"""
if aLen <= 0:
raise AsSpiError("aLen must be upper than 0")
if aLen > 64:
raise AsSpiError("aLen can't be upper than 64")
if type(aMsg) != type([]):
raise AsSpiError("aMsg argument must be a list")
if len(aMsg) <= 0:
raise AsSpiError("aMsg list must have at least one value")
if len(aMsg) > 8:
raise AsSpiError("aMsg list can have 8 values maximum")
if aLen % 8 == 0:
list_len = aLen / 8
else:
list_len = (aLen / 8) + 1
msg = aMsg + [0 for i in range(8 - list_len)]
try:
return wrapper.spi_msg(self.__device, aSpeed, aLen, msg[7], msg[6],
msg[5], msg[4], msg[3], msg[2], msg[1],
msg[0])
except Exception, e:
raise AsSpiError(str(e))
def setLsb(self, aLsb):
""" Set lsb
"""
try:
return wrapper.spi_set_lsb(self.__device, aLsb)
except Exception, e:
raise AsSpiError(str(e))
def getBitsPerWord(self):
""" Get bits per word
"""
try:
return wrapper.spi_get_bits_per_word(self.__device)
except Exception, e:
raise AsSpiError(str(e))
def setBitsPerWord(self, aBits):
""" Set bits per word
"""
try:
return wrapper.spi_set_bits_per_word(self.__device, aBits)
except Exception, e:
raise AsSpiError(str(e))
def setSpeed(self, aSpeed):
""" Set speed
"""
try:
return wrapper.spi_set_speed(self.__device, aSpeed)
except Exception, e:
raise AsSpiError(str(e))
def getBitsPerWord(self):
""" Get bits per word
"""
try:
return wrapper.spi_get_bits_per_word(self.__device)
except Exception, e:
raise AsSpiError(str(e))
def getMode(self):
""" Set mode
"""
try:
return wrapper.spi_get_mode(self.__device)
except Exception, e:
raise AsSpiError(str(e))
def getLsb(self):
""" Get lsb
"""
try:
return wrapper.spi_get_lsb(self.__device)
except Exception, e:
raise AsSpiError(str(e))
def setLsb(self, aLsb):
""" Set lsb
"""
try:
return wrapper.spi_set_lsb(self.__device, aLsb)
except Exception, e:
raise AsSpiError(str(e))
def __del__(self):
try:
wrapper.spi_close(self.__device)
except Exception, e:
pass
def __init__(self, aSpidevName):
try:
self.__device = wrapper.spi_open(aSpidevName)
except Exception, e:
raise AsSpiError(str(e))
def __del__(self):
try:
wrapper.spi_close(self.__device)
except Exception, e:
pass
def __init__(self, aSpidevName):
try:
self.__device = wrapper.spi_open(aSpidevName)
except Exception, e:
raise AsSpiError(str(e))