entity mupix_interface is
port (
- rstn : in std_logic;
+ rst : in std_logic;
clk : in std_logic;
-- MUPIX IF
ldpix : out std_logic;
trigger_ext : in std_logic;
--reset signals from DAQ
- timestampreset_in : in std_logic;
- eventcounterreset_in : in std_logic;
+ timestampreset_in : in std_logic;
+ eventcounterreset_in : in std_logic;
--TRB SlowControl
SLV_READ_IN : in std_logic;
architecture RTL of mupix_interface is
- type ro_state_type is (reset, waiting, readman, loadpix, pulld, loadcol, readcol, hitgenerator, hitgeneratorwait,pause);
+ type ro_state_type is (waiting, readman, loadpix, pulld, loadcol, readcol, hitgenerator, hitgeneratorwait, pause);
signal state : ro_state_type := waiting;
- signal delcounter : unsigned(7 downto 0) := (others => '0');
- signal delaycounters1 : std_logic_vector(31 downto 0) := (others => '0');
- signal delaycounters2 : std_logic_vector(31 downto 0) := (others => '0');
- signal pauseregister : std_logic_vector(31 downto 0) := (others => '0');
- signal pausecounter : unsigned (31 downto 0) := (others => '0');
- signal ro_busy_int : std_logic := '0';
- signal graycount : std_logic_vector(7 downto 0) := (others => '0');
- signal eventcounter : unsigned(31 downto 0) := (others => '0');
- signal hitcounter : unsigned(10 downto 0) := (others => '0');
- signal maxNumberHits : std_logic_vector(31 downto 0) := (others => '1');
+ signal delcounter : unsigned(7 downto 0) := (others => '0');
+ signal delaycounters1 : std_logic_vector(31 downto 0) := (others => '0');
+ signal delaycounters2 : std_logic_vector(31 downto 0) := (others => '0');
+ signal pauseregister : std_logic_vector(31 downto 0) := (others => '0');
+ signal pausecounter : unsigned (31 downto 0) := (others => '0');
+ signal ro_busy_int : std_logic := '0';
+ signal graycount : std_logic_vector(7 downto 0) := (others => '0');
+ signal eventcounter : unsigned(31 downto 0) := (others => '0');
+ signal hitcounter : unsigned(10 downto 0) := (others => '0');
+ signal maxNumberHits : std_logic_vector(31 downto 0) := (others => '1');
signal graycounter_clkdiv_counter : std_logic_vector(31 downto 0) := (others => '0');
- signal sensor_id : std_logic_vector(31 downto 0) := (others => '0');
+ signal sensor_id : std_logic_vector(31 downto 0) := (others => '0');
signal triggering : std_logic := '0';
signal busy_r : std_logic := '0';
signal generatetriggeredhits : std_logic := '0';
signal ngeneratehits : std_logic_vector(15 downto 0) := (others => '0');
- signal ngeneratehitscounter : unsigned(15 downto 0) := (others => '0');
- signal generatehitswaitcounter : unsigned(31 downto 0) := (others => '0');
+ signal ngeneratehitscounter : unsigned(15 downto 0) := (others => '0');
+ signal generatehitswaitcounter : unsigned(31 downto 0) := (others => '0');
signal gen_hit_col : std_logic_vector(5 downto 0) := (others => '0');
signal gen_hit_row : std_logic_vector(5 downto 0) := (others => '0');
signal gen_hit_time : std_logic_vector(7 downto 0) := (others => '0');
signal testoutro : std_logic_vector (31 downto 0) := (others => '0');
-
+
--Control Registers
signal resetgraycounter : std_logic := '0';
signal roregwritten : std_logic := '0';
SLV_ACK_OUT <= '1';
when x"0026" =>
SLV_DATA_OUT <= pauseregister;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0027" =>
SLV_DATA_OUT <= delaycounters2;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0028" =>
SLV_DATA_OUT <= graycounter_clkdiv_counter;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0029" =>
SLV_DATA_OUT(0) <= ignorehitflag;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0030" =>
SLV_DATA_OUT <= testoutro;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0031" =>
SLV_DATA_OUT <= sensor_id;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0032" =>
SLV_DATA_OUT <= maxNumberHits;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when others =>
SLV_UNKNOWN_ADDR_OUT <= '1';
end case;
SLV_ACK_OUT <= '1';
when x"0024" =>
delaycounters1 <= SLV_DATA_IN;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0026" =>
pauseregister <= SLV_DATA_IN;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0027" =>
delaycounters2 <= SLV_DATA_IN;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0028" =>
graycounter_clkdiv_counter <= SLV_DATA_IN;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0029" =>
ignorehitflag <= SLV_DATA_IN(0);
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when x"0031" =>
- sensor_id <= SLV_DATA_IN;
+ sensor_id <= SLV_DATA_IN;
SLV_ACK_OUT <= '1';
when x"0032" =>
maxNumberHits <= SLV_DATA_IN;
- SLV_ACK_OUT <= '1';
+ SLV_ACK_OUT <= '1';
when others =>
SLV_UNKNOWN_ADDR_OUT <= '1';
end case;
--Readout Control
-----------------------------------------------------------------------------
- process(rstn, clk)
+ process(rst, clk)
begin
- if(rstn = '0') then
- triggering <= '0';
- continousread <= '0';
- readnow <= '0';
- readmanual <= '0';
- reseteventcount <= '0';
- generatehit <= '0';
- generatehits <= '0';
- generatetriggeredhits <= '0';
- ngeneratehits <= (others => '0');
- elsif(clk'event and clk = '1') then
- triggering <= roregister(0);
- continousread <= roregister(1);
- if(roregister(2) = '1' and roregwritten = '1') then
- readnow <= '1';
- else
- readnow <= '0';
- end if;
- readmanual <= roregister(3);
- if((roregister(4) = '1' and roregwritten = '1') or eventcounterreset_in = '1') then
- reseteventcount <= '1';
+ if(clk'event and clk = '1') then
+ if(rst = '1') then
+ triggering <= '0';
+ continousread <= '0';
+ readnow <= '0';
+ readmanual <= '0';
+ reseteventcount <= '0';
+ generatehit <= '0';
+ generatehits <= '0';
+ generatetriggeredhits <= '0';
+ ngeneratehits <= (others => '0');
else
- reseteventcount <= '0';
+ triggering <= roregister(0);
+ continousread <= roregister(1);
+ if(roregister(2) = '1' and roregwritten = '1') then
+ readnow <= '1';
+ else
+ readnow <= '0';
+ end if;
+ readmanual <= roregister(3);
+ if((roregister(4) = '1' and roregwritten = '1') or eventcounterreset_in = '1') then
+ reseteventcount <= '1';
+ else
+ reseteventcount <= '0';
+ end if;
+ if(roregister(5) = '1' and roregwritten = '1') then
+ generatehit <= '1';
+ else
+ generatehit <= '0';
+ end if;
+ generatehits <= roregister(6);
+ generatetriggeredhits <= roregister(8);
+ ngeneratehits <= roregister(31 downto 16);
end if;
- if(roregister(5) = '1' and roregwritten = '1') then
- generatehit <= '1';
- else
- generatehit <= '0';
- end if;
- generatehits <= roregister(6);
- generatetriggeredhits <= roregister(8);
- ngeneratehits <= roregister(31 downto 16);
end if;
end process;
- --testout_ena <= '1';
-
- --testout(127 downto 64) <= testoutro(127 downto 64);
- --testout(63 downto 16) <= testouttlu(63 downto 16);
- --testout(15 downto 0) <= testoutro(15 downto 0);
-
-----------------------------------------------------------------------------
--MuPix 3/4/6 Readout Statemachine
-----------------------------------------------------------------------------
- ro_statemachine : process(rstn, clk)
+ ro_statemachine : process(rst, clk)
begin
-
- if(rstn = '0') then
- state <= waiting;
- ldpix <= '0';
- ldcol <= '0';
- rdcol <= '0';
- pulldown <= '0';
- memwren <= '0';
- ro_busy_int <= '0';
- eventcounter <= (others => '0');
- testoutro <= (others => '0');
- endofevent <= '0';
- elsif(clk'event and clk = '1') then
- testoutro <= (others => '0');
- testoutro(31) <= priout;
-
- case state is
- when reset =>
- testoutro(0) <= '1';
- state <= waiting;
- ldpix <= '0';
- ldcol <= '0';
- rdcol <= '0';
- pulldown <= '0';
- memwren <= '0';
- ro_busy_int <= '0';
- eventcounter <= (others => '0');
- endofevent <= '0';
- when pause =>
- pausecounter <= pausecounter +1;
- if(std_logic_vector(pausecounter) = pauseregister) then
- state <= waiting;
- pausecounter <= (others => '0');
- end if;
- ldpix <= '0';
- ldcol <= '0';
- rdcol <= '0';
- pulldown <= '0';
- memwren <= '0';
- endofevent <= '0';
- ro_busy_int <= '0';
- when waiting =>
- testoutro(1) <= '1';
- memwren <= '0';
- ro_busy_int <= '0';
- endofevent <= '0';
- delcounter <= (others => '0');
- hitcounter <= (others => '0');
- eventcounter <= eventcounter;
- if(reseteventcount = '1') then
- eventcounter <= (others => '0');
- end if;
- ldpix <= '0';
- ldcol <= '0';
- rdcol <= '0';
- pulldown <= '0';
- if(readmanual = '1') then
- state <= readman;
- elsif(continousread = '1' or readnow = '1' or(triggering = '1' and trigger_ext = '1' and generatetriggeredhits = '0')) then
- state <= loadpix;
- ldpix <= '1';
- delcounter <= unsigned(delaycounters1(7 downto 0));
- eventcounter <= eventcounter + 1;
- elsif(generatetriggeredhits = '1' and trigger_ext = '1') then
- state <= hitgenerator;
- delcounter <= "00000100";
- eventcounter <= eventcounter + 1;
- elsif(generatehit = '1' or generatehits = '1') then
- state <= hitgenerator;
- delcounter <= "00000100";
- eventcounter <= eventcounter + 1;
- else
- state <= waiting;
- end if;
-
- when readman =>
- testoutro(9) <= '1';
- ro_busy_int <= '1';
- ldpix <= rocontrolbits(0);
- pulldown <= rocontrolbits(1);
- ldcol <= rocontrolbits(2);
- rdcol <= rocontrolbits(3);
- if(readmanual = '1') then
- state <= readman;
- else
- state <= waiting;
- end if;
- endofevent <= '0';
- when loadpix =>
- ro_busy_int <= '1';
- testoutro(2) <= '1';
- ldpix <= '0';
- delcounter <= delcounter - 1;
- memwren <= '0';
- state <= loadpix;
- if(delcounter = "00000100") then -- write event header
- memdata <= sensor_id;
- memwren <= '1';
- elsif(delcounter = "0000011") then -- write event header
- memdata <= "11111010101111101010101110111010"; --0xFABEABBA
- memwren <= '1';
- elsif(delcounter = "00000010") then -- write event counter
- memdata <= std_logic_vector(eventcounter);
- memwren <= '1';
- end if;
- if(delcounter = "00000000") then
- state <= pulld;
- pulldown <= '1';
- delcounter <= unsigned(delaycounters1(15 downto 8));
- end if;
- endofevent <= '0';
- when pulld =>
- testoutro(3) <= '1';
- memwren <= '0';
- if unsigned(delaycounters1(15 downto 8)) = delcounter then
- pulldown <= '0';
- end if;
- delcounter <= delcounter - 1;
- state <= pulld;
- if(delcounter = "00000000") then
- state <= loadcol;
- ldcol <= '1';
- delcounter <= unsigned(delaycounters1(23 downto 16));
- end if;
- endofevent <= '0';
- when loadcol =>
- testoutro(4) <= '1';
- memwren <= '0';
- if(delcounter = unsigned(delaycounters1(23 downto 16))) then
- ldcol <= '0';
- end if;
- delcounter <= delcounter - 1;
- state <= loadcol;
- endofevent <= '0';
- if(delcounter = "00000000" and priout = '1') then
- state <= readcol;
- rdcol <= '1';
- delcounter <= unsigned(delaycounters1(31 downto 24));
- elsif(delcounter = "00000000") then
- -- end of event
- memwren <= '1';
- memdata <= "10111110111011111011111011101111"; --0xBEEFBEEF
- endofevent <= '1';
- state <= pause;
- end if;
- when readcol =>
- testoutro(5) <= '1';
- if(delcounter = unsigned(delaycounters1(31 downto 24)) - unsigned(delaycounters2(15 downto 8))) then
- rdcol <= '0';
- end if;
- delcounter <= delcounter - 1;
- memwren <= '0';
- state <= readcol;
- endofevent <= '0';
- if (std_logic_vector(delcounter) = delaycounters2(23 downto 16)) then
- priout_reg <= priout;
- end if;
- if(std_logic_vector(delcounter) = delaycounters2(31 downto 24)) then
- memdata <= "111100001111" & hit_col & hit_row & hit_time; --0xF0F
- memwren <= '1';
- if(ignorehitflag = '1' and (hit_col = "000000" and hit_row = "000000")) then
- memwren <= '0';
+ if rising_edge(clk) then
+ if(rst = '1') then
+ state <= waiting;
+ ldpix <= '0';
+ ldcol <= '0';
+ rdcol <= '0';
+ pulldown <= '0';
+ memwren <= '0';
+ ro_busy_int <= '0';
+ eventcounter <= (others => '0');
+ testoutro <= (others => '0');
+ endofevent <= '0';
+ else
+ testoutro <= (others => '0');
+ testoutro(31) <= priout;
+
+ case state is
+ when pause =>
+ pausecounter <= pausecounter +1;
+ if(std_logic_vector(pausecounter) = pauseregister) then
+ state <= waiting;
+ pausecounter <= (others => '0');
+ end if;
+ ldpix <= '0';
+ ldcol <= '0';
+ rdcol <= '0';
+ pulldown <= '0';
+ memwren <= '0';
+ endofevent <= '0';
+ ro_busy_int <= '0';
+ when waiting =>
+ testoutro(1) <= '1';
+ memwren <= '0';
+ ro_busy_int <= '0';
+ endofevent <= '0';
+ delcounter <= (others => '0');
+ hitcounter <= (others => '0');
+ eventcounter <= eventcounter;
+ if(reseteventcount = '1') then
+ eventcounter <= (others => '0');
+ end if;
+ ldpix <= '0';
+ ldcol <= '0';
+ rdcol <= '0';
+ pulldown <= '0';
+ if(readmanual = '1') then
+ state <= readman;
+ elsif(continousread = '1' or readnow = '1' or(triggering = '1' and trigger_ext = '1' and generatetriggeredhits = '0')) then
+ state <= loadpix;
+ ldpix <= '1';
+ delcounter <= unsigned(delaycounters1(7 downto 0));
+ eventcounter <= eventcounter + 1;
+ elsif(generatetriggeredhits = '1' and trigger_ext = '1') then
+ state <= hitgenerator;
+ delcounter <= "00000100";
+ eventcounter <= eventcounter + 1;
+ elsif(generatehit = '1' or generatehits = '1') then
+ state <= hitgenerator;
+ delcounter <= "00000100";
+ eventcounter <= eventcounter + 1;
+ else
+ state <= waiting;
+ end if;
+
+ when readman =>
+ testoutro(9) <= '1';
+ ro_busy_int <= '1';
+ ldpix <= rocontrolbits(0);
+ pulldown <= rocontrolbits(1);
+ ldcol <= rocontrolbits(2);
+ rdcol <= rocontrolbits(3);
+ if(readmanual = '1') then
+ state <= readman;
+ else
+ state <= waiting;
end if;
- hitcounter <= hitcounter + 1;
- state <= readcol;
- elsif(delcounter = "00000000" and hitcounter = unsigned(maxNumberHits(10 downto 0))) then
- -- maximal number of hits reaced
- -- force end of event
- memwren <= '1';
- memdata <= "10111110111011111011111011101111"; --0xBEEFBEEF
- endofevent <= '1';
- state <= pause;
- elsif(delcounter = "00000000" and (priout = '1' or (delaycounters2(23 downto 16) /= "00000000" and priout_reg = '1'))) then
- state <= readcol;
- rdcol <= '1';
- delcounter <= unsigned(delaycounters1(31 downto 24));
- elsif(delcounter = "00000000") then
- state <= pulld;
- pulldown <= '1';
- delcounter <= unsigned(delaycounters2(7 downto 0));
- end if;
-
- when hitgenerator =>
- ro_busy_int <= '1';
- testoutro(6) <= '1';
- state <= hitgenerator;
- delcounter <= delcounter - 1;
- if(delcounter = "00000100") then -- write event header
- state <= hitgenerator;
- memdata <= sensor_id;
- memwren <= '1';
- ngeneratehitscounter <= unsigned(ngeneratehits);
- generatehitswaitcounter <= unsigned(generatehitswait);
- gen_hit_col <= (others => '0');
- gen_hit_row <= (others => '0');
- gen_hit_time <= (others => '0');
- endofevent <= '0';
- elsif(delcounter = "00000011") then -- write event header
- state <= hitgenerator;
- memdata <= "11111010101111101010101110111010"; --0xFABEABBA
- memwren <= '1';
- endofevent <= '0';
- elsif(delcounter = "00000010") then -- write event counter
- state <= hitgenerator;
- memdata <= std_logic_vector(eventcounter);
- memwren <= '1';
endofevent <= '0';
- elsif(delcounter = "00000010") then
- state <= hitgenerator;
- memwren <= '0';
+ when loadpix =>
+ ro_busy_int <= '1';
+ testoutro(2) <= '1';
+ ldpix <= '0';
+ delcounter <= delcounter - 1;
+ memwren <= '0';
+ state <= loadpix;
+ if(delcounter = "00000100") then -- write event header
+ memdata <= sensor_id;
+ memwren <= '1';
+ elsif(delcounter = "0000011") then -- write event header
+ memdata <= "11111010101111101010101110111010"; --0xFABEABBA
+ memwren <= '1';
+ elsif(delcounter = "00000010") then -- write event counter
+ memdata <= std_logic_vector(eventcounter);
+ memwren <= '1';
+ end if;
+ if(delcounter = "00000000") then
+ state <= pulld;
+ pulldown <= '1';
+ delcounter <= unsigned(delaycounters1(15 downto 8));
+ end if;
endofevent <= '0';
- elsif(delcounter = "00000001") then -- write trigger number
- state <= hitgenerator;
- memdata <= (others => '0'); --empty trigger number
- memwren <= '1';
+ when pulld =>
+ testoutro(3) <= '1';
+ memwren <= '0';
+ if unsigned(delaycounters1(15 downto 8)) = delcounter then
+ pulldown <= '0';
+ end if;
+ delcounter <= delcounter - 1;
+ state <= pulld;
+ if(delcounter = "00000000") then
+ state <= loadcol;
+ ldcol <= '1';
+ delcounter <= unsigned(delaycounters1(23 downto 16));
+ end if;
endofevent <= '0';
- elsif(delcounter = "00000000" and ngeneratehitscounter > "0000000000000000") then
- state <= hitgenerator;
- delcounter <= delcounter;
- ngeneratehitscounter <= ngeneratehitscounter - 1;
- gen_hit_col <= std_logic_vector(unsigned(gen_hit_col) + 5);
- gen_hit_row <= std_logic_vector(unsigned(gen_hit_row) + 7);
- if(gen_hit_row > "10000") then
- gen_hit_row <= "000000";
+ when loadcol =>
+ testoutro(4) <= '1';
+ memwren <= '0';
+ if(delcounter = unsigned(delaycounters1(23 downto 16))) then
+ ldcol <= '0';
end if;
- memdata <= "111100001111" & "0" & gen_hit_col(4 downto 0) & gen_hit_row & graycount; --0xF0F
- memwren <= '1';
+ delcounter <= delcounter - 1;
+ state <= loadcol;
endofevent <= '0';
- elsif(delcounter = "00000000" and ngeneratehitscounter = "0000000000000000" and generatehits = '0') then
- state <= waiting;
- -- end of event
- memwren <= '1';
- memdata <= "10111110111011111011111011101111"; --0xBEEFBEEF
- endofevent <= '1';
- elsif(delcounter = "00000000" and ngeneratehitscounter = "0000000000000000" and generatehits = '1') then
- state <= hitgeneratorwait;
- -- end of event
- memwren <= '1';
- memdata <= "10111110111011111011111011101111"; --0xBEEFBEEF
- endofevent <= '1';
- else
- state <= hitgenerator;
+ if(delcounter = "00000000" and priout = '1') then
+ state <= readcol;
+ rdcol <= '1';
+ delcounter <= unsigned(delaycounters1(31 downto 24));
+ elsif(delcounter = "00000000") then
+ -- end of event
+ memwren <= '1';
+ memdata <= "10111110111011111011111011101111"; --0xBEEFBEEF
+ endofevent <= '1';
+ state <= pause;
+ end if;
+ when readcol =>
+ testoutro(5) <= '1';
+ if(delcounter = unsigned(delaycounters1(31 downto 24)) - unsigned(delaycounters2(15 downto 8))) then
+ rdcol <= '0';
+ end if;
+ delcounter <= delcounter - 1;
memwren <= '0';
+ state <= readcol;
endofevent <= '0';
- end if;
-
- when hitgeneratorwait =>
- ro_busy_int <= '0';
- state <= hitgeneratorwait;
- testoutro(7) <= '1';
- memwren <= '0';
- endofevent <= '0';
- generatehitswaitcounter <= generatehitswaitcounter - 1;
- if(to_integer(generatehitswaitcounter) = 0)then
+ if (std_logic_vector(delcounter) = delaycounters2(23 downto 16)) then
+ priout_reg <= priout;
+ end if;
+ if(std_logic_vector(delcounter) = delaycounters2(31 downto 24)) then
+ memdata <= "111100001111" & hit_col & hit_row & hit_time; --0xF0F
+ memwren <= '1';
+ if(ignorehitflag = '1' and (hit_col = "000000" and hit_row = "000000")) then
+ memwren <= '0';
+ end if;
+ hitcounter <= hitcounter + 1;
+ state <= readcol;
+ elsif(delcounter = "00000000" and hitcounter = unsigned(maxNumberHits(10 downto 0))) then
+ -- maximal number of hits reaced
+ -- force end of event
+ memwren <= '1';
+ memdata <= "10111110111011111011111011101111"; --0xBEEFBEEF
+ endofevent <= '1';
+ state <= pause;
+ elsif(delcounter = "00000000" and (priout = '1' or (delaycounters2(23 downto 16) /= "00000000" and priout_reg = '1'))) then
+ state <= readcol;
+ rdcol <= '1';
+ delcounter <= unsigned(delaycounters1(31 downto 24));
+ elsif(delcounter = "00000000") then
+ state <= pulld;
+ pulldown <= '1';
+ delcounter <= unsigned(delaycounters2(7 downto 0));
+ end if;
+
+ when hitgenerator =>
+ ro_busy_int <= '1';
+ testoutro(6) <= '1';
state <= hitgenerator;
- delcounter <= "00000100";
- eventcounter <= eventcounter + 1;
- end if;
-
- when others =>
- testoutro(8) <= '1';
- state <= waiting;
- endofevent <= '0';
- end case;
+ delcounter <= delcounter - 1;
+ if(delcounter = "00000100") then -- write event header
+ state <= hitgenerator;
+ memdata <= sensor_id;
+ memwren <= '1';
+ ngeneratehitscounter <= unsigned(ngeneratehits);
+ generatehitswaitcounter <= unsigned(generatehitswait);
+ gen_hit_col <= (others => '0');
+ gen_hit_row <= (others => '0');
+ gen_hit_time <= (others => '0');
+ endofevent <= '0';
+ elsif(delcounter = "00000011") then -- write event header
+ state <= hitgenerator;
+ memdata <= "11111010101111101010101110111010"; --0xFABEABBA
+ memwren <= '1';
+ endofevent <= '0';
+ elsif(delcounter = "00000010") then -- write event counter
+ state <= hitgenerator;
+ memdata <= std_logic_vector(eventcounter);
+ memwren <= '1';
+ endofevent <= '0';
+ elsif(delcounter = "00000010") then
+ state <= hitgenerator;
+ memwren <= '0';
+ endofevent <= '0';
+ elsif(delcounter = "00000001") then -- write trigger number
+ state <= hitgenerator;
+ memdata <= (others => '0'); --empty trigger number
+ memwren <= '1';
+ endofevent <= '0';
+ elsif(delcounter = "00000000" and ngeneratehitscounter > "0000000000000000") then
+ state <= hitgenerator;
+ delcounter <= delcounter;
+ ngeneratehitscounter <= ngeneratehitscounter - 1;
+ gen_hit_col <= std_logic_vector(unsigned(gen_hit_col) + 5);
+ gen_hit_row <= std_logic_vector(unsigned(gen_hit_row) + 7);
+ if(gen_hit_row > "10000") then
+ gen_hit_row <= "000000";
+ end if;
+ memdata <= "111100001111" & "0" & gen_hit_col(4 downto 0) & gen_hit_row & graycount; --0xF0F
+ memwren <= '1';
+ endofevent <= '0';
+ elsif(delcounter = "00000000" and ngeneratehitscounter = "0000000000000000" and generatehits = '0') then
+ state <= waiting;
+ -- end of event
+ memwren <= '1';
+ memdata <= "10111110111011111011111011101111"; --0xBEEFBEEF
+ endofevent <= '1';
+ elsif(delcounter = "00000000" and ngeneratehitscounter = "0000000000000000" and generatehits = '1') then
+ state <= hitgeneratorwait;
+ -- end of event
+ memwren <= '1';
+ memdata <= "10111110111011111011111011101111"; --0xBEEFBEEF
+ endofevent <= '1';
+ else
+ state <= hitgenerator;
+ memwren <= '0';
+ endofevent <= '0';
+ end if;
+
+ when hitgeneratorwait =>
+ ro_busy_int <= '0';
+ state <= hitgeneratorwait;
+ testoutro(7) <= '1';
+ memwren <= '0';
+ endofevent <= '0';
+ generatehitswaitcounter <= generatehitswaitcounter - 1;
+ if(to_integer(generatehitswaitcounter) = 0)then
+ state <= hitgenerator;
+ delcounter <= "00000100";
+ eventcounter <= eventcounter + 1;
+ end if;
+
+ when others =>
+ testoutro(8) <= '1';
+ state <= waiting;
+ endofevent <= '0';
+ end case;
+ end if;
end if;
end process;
tsgen :
- process(rstn, clk)
+ process(rst, clk)
begin
- if(rstn = '0') then
+ if(rst = '1') then
timestamps <= (others => '0');
elsif(clk'event and clk = '1') then
if(timestampcontrolbits(8) = '1') then
end if;
end process;
- resetgraycounter <= not(rstn) or timestampreset_in;
+ resetgraycounter <= rst or timestampreset_in;
grcount : Graycounter
generic map(
COUNTWIDTH => 8
)
port map(
- clk => clk,
- reset => resetgraycounter,
- sync_reset => timestampcontrolbits(9),
+ clk => clk,
+ reset => resetgraycounter,
+ sync_reset => timestampcontrolbits(9),
clk_divcounter => graycounter_clkdiv_counter(7 downto 0),
- counter => graycount
+ counter => graycount
);
jspc29 / trb3.git / commitdiff