source: firmware/FTM/ethernet/header_modul_beha.vhd

Last change on this file was 10441, checked in by weitzel, 11 years ago
new FTM firmware featuring e.g. start/stop run commands and new header
  • Property svn:executable set to *
File size: 3.5 KB
Line 
1--
2-- VHDL Architecture FACT_FTM_lib.header_modul.beha
3--
4-- Created:
5-- by - kai.UNKNOWN (E5PCXX)
6-- at - 10:30:24 03.03.2011
7--
8-- using Mentor Graphics HDL Designer(TM) 2009.1 (Build 12)
9--
10LIBRARY ieee;
11USE ieee.std_logic_1164.all;
12USE ieee.std_logic_arith.all;
13USE IEEE.STD_LOGIC_UNSIGNED.all;
14
15library ftm_definitions;
16USE ftm_definitions.ftm_array_types.all;
17USE ftm_definitions.ftm_constants.all;
18
19ENTITY header_modul IS
20PORT(
21 clk : IN std_logic;
22 get_header : IN std_logic;
23 get_header_started : OUT std_logic := '0';
24 get_header_ready : OUT std_logic := '0';
25 board_id : IN std_logic_vector (63 DOWNTO 0);
26 trigger_counter_read : OUT std_logic := '0';
27 trigger_counter_valid : IN std_logic;
28 trigger_counter : IN std_logic_vector (31 DOWNTO 0) := (others => '0');
29 get_ts_counter : OUT std_logic := '0';
30 get_ts_counter_started : IN std_logic;
31 get_ts_counter_ready : IN std_logic;
32 timestamp_counter : IN std_logic_vector (47 DOWNTO 0);
33 header_board_id : OUT std_logic_vector (63 DOWNTO 0) := (others => '0');
34 header_firmware_id : OUT std_logic_vector (15 DOWNTO 0) := (others => '0');
35 header_trigger_counter : OUT std_logic_vector (31 DOWNTO 0) := (others => '0');
36 header_timestamp_counter : OUT std_logic_vector (47 DOWNTO 0) := (others => '0');
37 header_current_state : OUT std_logic_vector (15 DOWNTO 0) := (others => '0');
38 current_cc_state : IN std_logic_vector (15 DOWNTO 0)
39 );
40END ENTITY header_modul;
41
42--
43ARCHITECTURE beha OF header_modul IS
44
45 type state_header_proc_type is (HP_INIT, HP_CONFIG, HP_IDLE, HP_START, HP_TRG_CNT,
46 HP_TS_CNT, HP_TS_CNT_END, HP_END);
47
48 signal state_header_proc : state_header_proc_type := HP_INIT;
49
50BEGIN
51 header_proc : process (clk)
52 begin
53 if rising_edge (clk) then
54 case state_header_proc is
55
56 when HP_INIT =>
57 state_header_proc <= HP_CONFIG;
58
59 when HP_CONFIG =>
60 state_header_proc <= HP_IDLE;
61
62 when HP_IDLE =>
63 if (get_header = '1') then
64 get_header_started <= '1';
65 get_header_ready <= '0';
66 state_header_proc <= HP_START;
67 end if;
68
69 when HP_START =>
70 header_board_id <= board_id;
71 header_firmware_id <= X"00" & FIRMWARE_ID;
72 header_current_state <= current_cc_state;
73
74 trigger_counter_read <= '1';
75 state_header_proc <= HP_TRG_CNT;
76
77 when HP_TRG_CNT =>
78 trigger_counter_read <= '0';
79 if (trigger_counter_valid = '1') then
80 header_trigger_counter <= trigger_counter;
81 get_ts_counter <= '1';
82 state_header_proc <= HP_TS_CNT;
83 end if;
84
85 when HP_TS_CNT =>
86 if (get_ts_counter_started = '1') then
87 get_ts_counter <= '0';
88 state_header_proc <= HP_TS_CNT_END;
89 end if;
90
91 when HP_TS_CNT_END =>
92 if (get_ts_counter_ready = '1') then
93 header_timestamp_counter <= timestamp_counter;
94 state_header_proc <= HP_END;
95 end if;
96
97 when HP_END =>
98 if (get_header <= '0') then
99 get_header_started <= '0';
100 get_header_ready <= '1';
101 state_header_proc <= HP_IDLE;
102 end if;
103
104 end case;
105 end if;
106 end process header_proc;
107
108END ARCHITECTURE beha;
109
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