class handler:
def __init__(self):
# This fails on the BeagleBoard at least, gets an exception from ioctl(self._no, param, ctypes.addressof(value)) implying something does not fit in something
self.dev = SPIDev(SPI_DEV)
self.databuffer = None
self.spitransfer = None
def send_frame(self, c):
bytestring = ''.join(c.bytestream)
# Initialize the buffer once (after we have the first set of image data)
if (not self.databuffer or not self.spitransfer):
self.transfer, self.databuffer, _ = spi_transfer(bytestring,
readlen=0,
speedhz=SPEED)
self.databuffer = bytestring
self.dev.do_transfers([self.transfer])
def send(self, img):
c = imageconverter(img)
self.send_frame(c)
# IF there are animation frames, send rest of them too
#c.rgbim.show()
# TODO: account for the time spent transferring the frame
if c.im.info.has_key('duration'):
time.sleep(float(c.im.info['duration']) / 1000)
while c.seek():
self.send_frame(c)
#c.rgbim.show()
time.sleep(float(c.im.info['duration']) / 1000)
class handler:
def __init__(self):
# This fails on the BeagleBoard at least, gets an exception from ioctl(self._no, param, ctypes.addressof(value)) implying something does not fit in something
self.dev = SPIDev(SPI_DEV)
self.databuffer = None
self.spitransfer = None
def send_frame(self, c):
bytestring = ''.join(c.bytestream)
# Initialize the buffer once (after we have the first set of image data)
if ( not self.databuffer
or not self.spitransfer):
self.transfer, self.databuffer, _ = spi_transfer(bytestring, readlen=0, speedhz=SPEED)
self.databuffer = bytestring
self.dev.do_transfers([self.transfer])
def send(self, img):
c = imageconverter(img)
self.send_frame(c)
# IF there are animation frames, send rest of them too
#c.rgbim.show()
# TODO: account for the time spent transferring the frame
if c.im.info.has_key('duration'):
time.sleep(float(c.im.info['duration'])/1000)
while c.seek():
self.send_frame(c)
#c.rgbim.show()
time.sleep(float(c.im.info['duration'])/1000)
def __init__(self):
# This fails on the BeagleBoard at least, gets an exception from ioctl(self._no, param, ctypes.addressof(value)) implying something does not fit in something
self.dev = SPIDev(SPI_DEV)
self.databuffer = None
self.spitransfer = None
def __init__(self):
# This fails on the BeagleBoard at least, gets an exception from ioctl(self._no, param, ctypes.addressof(value)) implying something does not fit in something
self.dev = SPIDev(SPI_DEV)
self.databuffer = None
self.spitransfer = None
