def cp2130_libusb_readRTR(handle):
buf = c_ubyte * 8
read_command_buf = buf(0x00, 0x00, 0x04, 0x00, datalen, 0x00, 0x00, 0x00)
bytesWritten = c_int()
buf = c_ubyte * datalen
read_input_buf = buf()
bytesRead = c_int()
usbTimeout = 500
error_code = libusb1.libusb_bulk_transfer(handle, 0x02, read_command_buf,
sizeof(read_command_buf),
byref(bytesWritten), usbTimeout)
if error_code:
print('Error in bulk transfer (read command). Error # {}'.format(
error_code))
return False
if bytesWritten.value != sizeof(read_command_buf):
print('Error in bulk transfer write size')
print(bytesWritten.value)
return False
error_code = libusb1.libusb_bulk_transfer(handle, 0x81, read_input_buf,
sizeof(read_input_buf),
byref(bytesRead), usbTimeout)
if error_code:
print('Error in bulk transfer (read buffer). Error # {}'.format(
error_code))
return False
return read_input_buf
def cp2130_libusb_read(handle):
buf = c_ubyte * 8
read_command_buf = buf(0x00, 0x00, 0x00, 0x00, 200, 0x00, 0x00, 0x00)
bytesWritten = c_int()
buf = c_ubyte * 200
read_input_buf = buf()
bytesRead = c_int()
usbTimeout = 500
# print('Begin Read')
error_code = libusb1.libusb_bulk_transfer(handle, 0x02, read_command_buf,
sizeof(read_command_buf),
byref(bytesWritten), usbTimeout)
if error_code:
print('Error in bulk transfer command= {}'.format(error_code))
return False
if bytesWritten.value != sizeof(read_command_buf):
print('Error in bulk transfer write size')
print(bytesWritten.value)
return False
error_code = libusb1.libusb_bulk_transfer(handle, 0x81, read_input_buf,
sizeof(read_input_buf),
byref(bytesRead), usbTimeout)
if error_code:
print(bytesRead.value)
print('Error in bulk transfer read = {}'.format(error_code))
return False
return read_input_buf
def _bulkTransfer(self, endpoint, data, length, timeout):
transferred = c_int()
result = libusb1.libusb_bulk_transfer(self.__handle, endpoint,
data, length, byref(transferred), timeout)
if result:
raise libusb1.USBError(result)
return transferred.value
def cp2130_libusb_flush_radio_fifo(handle):
buf = c_ubyte * 13
write_command_buf = buf(0x00, 0x00, 0x01, 0x00, 0x05, 0x00, 0x00, 0x00,
0xAA, 0x00, 0x00, 0x00, 0x00)
bytesWritten = c_int()
usbTimeout = 500
if libusb1.libusb_bulk_transfer(handle, 0x02, write_command_buf,
sizeof(write_command_buf),
byref(bytesWritten), usbTimeout):
print('Error in bulk transfer!')
return False
return True
def cp2130_libusb_read(handle):
buf = c_ubyte * 8
read_command_buf = buf(0x00, 0x00, 0x00, 0x00, datalen, 0x00, 0x00, 0x00)
bytesWritten = c_int()
buf = c_ubyte * datalen
read_input_buf = buf()
bytesRead = c_int()
usbTimeout = 500
error_code = libusb1.libusb_bulk_transfer(handle, 0x02, read_command_buf,
sizeof(read_command_buf),
byref(bytesWritten), usbTimeout)
if error_code:
print('Error in bulk transfer (read command). Error # {}'.format(
error_code))
return False
if bytesWritten.value != sizeof(read_command_buf):
print('Error in bulk transfer write size')
print(bytesWritten.value)
return False
# time.sleep(0.05)
# while(1):
# pass
error_code = libusb1.libusb_bulk_transfer(handle, 0x81, read_input_buf,
sizeof(read_input_buf),
byref(bytesRead), usbTimeout)
if error_code:
print('Error in bulk transfer (read buffer). Error # {}'.format(
error_code))
return False
if bytesRead.value != sizeof(read_input_buf):
print('Error in bulk transfer - returned {} out of {} bytes'.format(
bytesRead.value, sizeof(read_input_buf)))
return False
# for i in read_input_buf:
# print('{} '.format(i), end="")
return read_input_buf
def cp2130_libusb_write(handle, value):
buf = c_ubyte * 13
write_command_buf = buf(0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00)
# populate command buffer with value to write
write_command_buf[8:13] = value
bytesWritten = c_int()
usbTimeout = 500
error_code = libusb1.libusb_bulk_transfer(handle, 0x02, write_command_buf,
sizeof(write_command_buf),
byref(bytesWritten), usbTimeout)
if error_code:
print('Error in bulk transfer (write command)! Error # {}'.format(
error_code))
return False
return True