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