def send_buf(self,return_input=False):
buf = self.OUTPUT_BUFFER # shorthand
#buf[9] = chr(1)
#print 'ord(buf[8])',ord(buf[8])
#print 'ord(buf[9])',ord(buf[9])
if 1:
val = usb.bulk_write(self.libusb_handle, 0x06, buf, 9999)
debug('set_output_durations result: %d'%(val,))
if 1:
INPUT_BUFFER = ctypes.create_string_buffer(16)
try:
val = usb.bulk_read(self.libusb_handle, 0x82, INPUT_BUFFER, 1000)
if 0:
print 'framecount LE:'
print ord(INPUT_BUFFER[0])
print ord(INPUT_BUFFER[1])
print 'counter ticks:'
print ord(INPUT_BUFFER[8])
print ord(INPUT_BUFFER[9])
if 0:
print 'read',val
except usb.USBNoDataAvailableError:
if 0:
sys.stdout.write('?')
sys.stdout.flush()
val = None
if return_input:
return INPUT_BUFFER
def __send_and_receive(self, in_timeout=200, out_timeout=9999):
"""
Send bulkout and and receive bulkin as a response.
Arguments: None
Keywords:
in_timeout = bulkin timeout in ms
out_timeout = bilkin timeout in ms
Return: the data returned by the usb device.
"""
done = False
while not done:
val = usb.bulk_write(self.libusb_handle,
self.usb_bulkout_ep_address,
self.output_buffer, out_timeout)
if val < 0:
raise IOError, "error sending usb output"
try:
numbytes = usb.bulk_read(self.libusb_handle,
self.usb_bulkin_ep_address,
self.input_buffer, in_timeout)
debug_print('usb SR bytes read: %d' % (numbytes, ),
comma=False)
done = True
except usb.USBNoDataAvailableError:
debug_print('usb SR: fail', comma=False)
sys.stdout.flush()
return
def send_buf(self, return_input=False):
buf = self.OUTPUT_BUFFER # shorthand
#buf[9] = chr(1)
#print 'ord(buf[8])',ord(buf[8])
#print 'ord(buf[9])',ord(buf[9])
if 1:
val = usb.bulk_write(self.libusb_handle, 0x06, buf, 9999)
debug('set_output_durations result: %d' % (val, ))
if 1:
INPUT_BUFFER = ctypes.create_string_buffer(16)
try:
val = usb.bulk_read(self.libusb_handle, 0x82, INPUT_BUFFER,
1000)
if 0:
print 'framecount LE:'
print ord(INPUT_BUFFER[0])
print ord(INPUT_BUFFER[1])
print 'counter ticks:'
print ord(INPUT_BUFFER[8])
print ord(INPUT_BUFFER[9])
if 0:
print 'read', val
except usb.USBNoDataAvailableError:
if 0:
sys.stdout.write('?')
sys.stdout.flush()
val = None
if return_input:
return INPUT_BUFFER
def __send_output(self, timeout=9999):
"""
Send output data to the usb device.
Arguments: None
Keywords:
timeout = the timeout in ms
Return: number of bytes written on success or < 0 on error.
"""
buf = self.output_buffer # shorthand
val = usb.bulk_write(self.libusb_handle, USB_BULKOUT_EP_ADDRESS, buf,
timeout)
return val
def __send_and_receive(self,in_timeout=200,out_timeout=9999):
"""
Send bulkout and and receive bulkin as a response.
Arguments: None
Keywords:
in_timeout = bulkin timeout in ms
out_timeout = bilkin timeout in ms
Return: the data returned by the usb device.
"""
done = False
while not done:
val = usb.bulk_write(
self.libusb_handle,
self.usb_bulkout_ep_address,
self.output_buffer,
out_timeout
)
if val < 0 :
raise IOError, "error sending usb output"
try:
numbytes = usb.bulk_read(
self.libusb_handle,
self.usb_bulkin_ep_address,
self.input_buffer,
in_timeout
)
debug_print('usb SR bytes read: %d'%(numbytes,), comma=False)
done = True
except usb.USBNoDataAvailableError:
debug_print('usb SR: fail', comma=False)
sys.stdout.flush()
return
def _send_buf(self,buf):
if not self.real_device:
return
with self._lock:
val = usb.bulk_write(self._libusb_handle, 0x06, buf, 9999)
def _send_buf(self,buf):
if not self._have_trigger:
return
with self._lock:
val = usb.bulk_write(self._libusb_handle, 0x06, buf, 9999)
def _send_output(self, timeout=9999):
buf = self.output_buffer # shorthand
#print 'write', [ord(b) for b in buf]
val = usb.bulk_write(self.libusb_handle, USB_BULKOUT_EP_ADDRESS, buf,
timeout)
return val
def enter_dfu_mode(self):
buf = self.OUTPUT_BUFFER # shorthand
buf[8] = chr(TASK_FLAGS_ENTER_DFU)
val = usb.bulk_write(self.libusb_handle, 0x06, buf, 9999)
def _send_output(self, timeout=9999):
buf = self.output_buffer # shorthand
val = usb.bulk_write(self.libusb_handle, USB_BULKOUT_EP_ADDRESS, buf,
timeout)
return val
def enter_dfu_mode(self):
buf = self.OUTPUT_BUFFER # shorthand
buf[8] = chr(TASK_FLAGS_ENTER_DFU)
val = usb.bulk_write(self.libusb_handle, 0x06, buf, 9999)
