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nanoq_laser_pulse_channel
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Update qlaser_dacs_pulse_channel.vhdl

This commit is contained in:
Eric Yu 2023-12-18 13:59:58 -08:00
parent 9664983050
commit bab8f1c0d8
1 changed files with 22 additions and 20 deletions
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8
src/hdl/modules/qlaser_dacs_pulse_channel.vhdl
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@ -286,10 +286,10 @@ begin
-- Output waveform from RAM , and increment the address
-- TODO: apply scaling factor to the address and then to the output
ram_waveform_addrb <= std_logic_vector(unsigned(ram_waveform_addrb) + 1);
end if;
sm_wavedata <= ram_waveform_doutb;
sm_wavedata_dv <= '1';
end if;
------------------------------------------------------------------------
-- Hold the last address and output its data
-- decrement from this address when finished waiting
@ -299,14 +299,16 @@ begin
sm_state <= S_WAVE_DOWN;
else
cnt_wave_top <= std_logic_vector(unsigned(cnt_wave_top) + 1);
end if;
sm_wavedata <= ram_waveform_doutb;
sm_wavedata_dv <= '1';
end if;
------------------------------------------------------------------------
-- Output the falling edge of a waveform
-- Hold the start address when complete
------------------------------------------------------------------------
when S_WAVE_DOWN =>
-- End of waveform?
if (ram_waveform_addrb = v_addr_start) then
@ -323,9 +325,9 @@ begin
-- Output waveform from RAM with decremented address
else
ram_waveform_addrb <= std_logic_vector(unsigned(ram_waveform_addrb) - 1);
end if;
sm_wavedata <= ram_waveform_doutb;
sm_wavedata_dv <= '1';
end if;
------------------------------------------------------------------------
-- Default