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tx_channel_iq2real

rfsoc_rfdc.transmitter.tx_channel_iq2real

Classes

TxChannelIq2Real(dma_ip, fifo_count_ip, target_device, debug_mode=False)

Bases: TxChannel

A iq to real Tx channel.

Source code in rfsoc_rfdc/transmitter/tx_channel_iq2real.py 
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def __init__(self, dma_ip, fifo_count_ip, target_device, debug_mode=False):
    super().__init__(dma_ip, fifo_count_ip, target_device, debug_mode)
Functions
data_copy(complex_array)
Source code in rfsoc_rfdc/transmitter/tx_channel_iq2real.py 
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def data_copy(self, complex_array):
    i_arr, q_arr = np.int16(
        complex_array.real), np.int16(complex_array.imag)

    if i_arr.size != q_arr.size:
        raise ValueError("i/q array must have the same size")
    self.data_type_check(i_arr)
    self.data_type_check(q_arr)
    self.tx_buff = allocate(shape=(complex_array.size*2,),
                            dtype=MyRFdcType.DATA_PATH_DTYPE, target=self.target_device)
    # iq samples shall be interleaved, i samples for even indices and q samples for odd indices
    self.tx_buff[0::2] = i_arr
    self.tx_buff[1::2] = q_arr