AXI stream constant register map

Register Name	Register offset	Field name	Field position	Description
LEAST_SIGNIFICANT_WORD	0x0	constant_value	31:0	Value of the least significant 32 bits of the constant, a write to this register also triggers the AXI transaction
MOST_SIGNIFICANT_WORD	0x4	constant_value	31:0	Value of the most significant 32 bits of the constant
DESTINATION	0x8	destination_value	31:0	Value of the angle sampling prescaling divisor