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module rx_dcoffset (input clock, input enable, input reset,
input signed [15:0] adc_in, output signed [15:0] adc_out,
input wire [6:0] serial_addr, input wire [31:0] serial_data, input serial_strobe);
parameter MYADDR = 0;
reg signed [31:0] integrator;
wire signed [15:0] scaled_integrator = integrator[31:16] + (integrator[31] & |integrator[15:0]);
assign adc_out = adc_in - scaled_integrator;
// FIXME do we need signed?
//FIXME What do we do when clipping?
always @(posedge clock)
if(reset)
integrator <= #1 32'd0;
else if(serial_strobe & (MYADDR == serial_addr))
integrator <= #1 {serial_data[15:0],16'd0};
else if(enable)
integrator <= #1 integrator + adc_out;
endmodule // rx_dcoffset
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