@@ -0,0 +1,125 | |||
|
1 | ------------------------------------------------------------------------------ | |
|
2 | -- This file is a part of the LPP VHDL IP LIBRARY | |
|
3 | -- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS | |
|
4 | -- | |
|
5 | -- This program is free software; you can redistribute it and/or modify | |
|
6 | -- it under the terms of the GNU General Public License as published by | |
|
7 | -- the Free Software Foundation; either version 3 of the License, or | |
|
8 | -- (at your option) any later version. | |
|
9 | -- | |
|
10 | -- This program is distributed in the hope that it will be useful, | |
|
11 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of | |
|
12 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
|
13 | -- GNU General Public License for more details. | |
|
14 | -- | |
|
15 | -- You should have received a copy of the GNU General Public License | |
|
16 | -- along with this program; if not, write to the Free Software | |
|
17 | -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
|
18 | ------------------------------------------------------------------------------ | |
|
19 | -- Author : Martin Morlot | |
|
20 | -- Mail : martin.morlot@lpp.polytechnique.fr | |
|
21 | ------------------------------------------------------------------------------ | |
|
22 | library ieee; | |
|
23 | use ieee.std_logic_1164.all; | |
|
24 | library grlib; | |
|
25 | use grlib.amba.all; | |
|
26 | use grlib.stdlib.all; | |
|
27 | use grlib.devices.all; | |
|
28 | library lpp; | |
|
29 | use lpp.lpp_amba.all; | |
|
30 | use lpp.apb_devices_list.all; | |
|
31 | use lpp.lpp_cna.all; | |
|
32 | ||
|
33 | --! Driver APB, va faire le lien entre l'IP VHDL du convertisseur et le bus Amba | |
|
34 | ||
|
35 | entity APB_DAC is | |
|
36 | generic ( | |
|
37 | pindex : integer := 0; | |
|
38 | paddr : integer := 0; | |
|
39 | pmask : integer := 16#fff#; | |
|
40 | pirq : integer := 0; | |
|
41 | abits : integer := 8); | |
|
42 | port ( | |
|
43 | clk : in std_logic; --! Horloge du composant | |
|
44 | rst : in std_logic; --! Reset general du composant | |
|
45 | apbi : in apb_slv_in_type; --! Registre de gestion des entr�es du bus | |
|
46 | apbo : out apb_slv_out_type; --! Registre de gestion des sorties du bus | |
|
47 | Cal_EN : out std_logic; --! Signal Enable du multiplex pour la CAL | |
|
48 | SYNC : out std_logic; --! Signal de synchronisation du convertisseur | |
|
49 | SCLK : out std_logic; --! Horloge systeme du convertisseur | |
|
50 | DATA : out std_logic --! Donn�e num�rique s�rialis� | |
|
51 | ); | |
|
52 | end entity; | |
|
53 | ||
|
54 | --! @details Les deux registres (apbi,apbo) permettent de g�rer la communication sur le bus | |
|
55 | --! et les sorties seront cabl�es vers le convertisseur. | |
|
56 | ||
|
57 | architecture ar_APB_DAC of APB_DAC is | |
|
58 | ||
|
59 | constant REVISION : integer := 1; | |
|
60 | ||
|
61 | constant pconfig : apb_config_type := ( | |
|
62 | 0 => ahb_device_reg (VENDOR_LPP, LPP_CNA, 0, REVISION, 0), | |
|
63 | 1 => apb_iobar(paddr, pmask)); | |
|
64 | ||
|
65 | signal enable : std_logic; | |
|
66 | signal flag_sd : std_logic; | |
|
67 | ||
|
68 | type DAC_ctrlr_Reg is record | |
|
69 | DAC_Cfg : std_logic_vector(1 downto 0); | |
|
70 | DAC_Data : std_logic_vector(15 downto 0); | |
|
71 | end record; | |
|
72 | ||
|
73 | signal Rec : DAC_ctrlr_Reg; | |
|
74 | signal Rdata : std_logic_vector(31 downto 0); | |
|
75 | ||
|
76 | begin | |
|
77 | ||
|
78 | enable <= Rec.DAC_Cfg(0); | |
|
79 | Rec.DAC_Cfg(1) <= flag_sd; | |
|
80 | ||
|
81 | CONV0 : DacDriver | |
|
82 | port map(clk,rst,enable,Rec.CNA_Data,SYNC,SCLK,flag_sd,Data); | |
|
83 | ||
|
84 | ||
|
85 | process(rst,clk) | |
|
86 | begin | |
|
87 | if(rst='0')then | |
|
88 | Rec.DAC_Data <= (others => '0'); | |
|
89 | ||
|
90 | elsif(clk'event and clk='1')then | |
|
91 | ||
|
92 | ||
|
93 | --APB Write OP | |
|
94 | if (apbi.psel(pindex) and apbi.penable and apbi.pwrite) = '1' then | |
|
95 | case apbi.paddr(abits-1 downto 2) is | |
|
96 | when "000000" => | |
|
97 | Rec.DAC_Cfg(0) <= apbi.pwdata(0); | |
|
98 | when "000001" => | |
|
99 | Rec.DAC_Data <= apbi.pwdata(15 downto 0); | |
|
100 | when others => | |
|
101 | null; | |
|
102 | end case; | |
|
103 | end if; | |
|
104 | ||
|
105 | --APB Read OP | |
|
106 | if (apbi.psel(pindex) and (not apbi.pwrite)) = '1' then | |
|
107 | case apbi.paddr(abits-1 downto 2) is | |
|
108 | when "000000" => | |
|
109 | Rdata(31 downto 2) <= X"ABCDEF5" & "00"; | |
|
110 | Rdata(1 downto 0) <= Rec.DAC_Cfg; | |
|
111 | when "000001" => | |
|
112 | Rdata(31 downto 16) <= X"FD18"; | |
|
113 | Rdata(15 downto 0) <= Rec.DAC_Data; | |
|
114 | when others => | |
|
115 | Rdata <= (others => '0'); | |
|
116 | end case; | |
|
117 | end if; | |
|
118 | ||
|
119 | end if; | |
|
120 | apbo.pconfig <= pconfig; | |
|
121 | end process; | |
|
122 | ||
|
123 | apbo.prdata <= Rdata when apbi.penable = '1'; | |
|
124 | Cal_EN <= enable; | |
|
125 | end architecture; |
@@ -0,0 +1,68 | |||
|
1 | ------------------------------------------------------------------------------ | |
|
2 | -- This file is a part of the LPP VHDL IP LIBRARY | |
|
3 | -- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS | |
|
4 | -- | |
|
5 | -- This program is free software; you can redistribute it and/or modify | |
|
6 | -- it under the terms of the GNU General Public License as published by | |
|
7 | -- the Free Software Foundation; either version 3 of the License, or | |
|
8 | -- (at your option) any later version. | |
|
9 | -- | |
|
10 | -- This program is distributed in the hope that it will be useful, | |
|
11 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of | |
|
12 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
|
13 | -- GNU General Public License for more details. | |
|
14 | -- | |
|
15 | -- You should have received a copy of the GNU General Public License | |
|
16 | -- along with this program; if not, write to the Free Software | |
|
17 | -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
|
18 | ------------------------------------------------------------------------------ | |
|
19 | -- Author : Martin Morlot | |
|
20 | -- Mail : martin.morlot@lpp.polytechnique.fr | |
|
21 | ------------------------------------------------------------------------------ | |
|
22 | library IEEE; | |
|
23 | use IEEE.std_logic_1164.all; | |
|
24 | use IEEE.numeric_std.all; | |
|
25 | use work.Convertisseur_config.all; | |
|
26 | use lpp.lpp_cna.all; | |
|
27 | ||
|
28 | --! Programme du Convertisseur Num�rique/Analogique | |
|
29 | ||
|
30 | entity DacDriver is | |
|
31 | port( | |
|
32 | clk : in std_logic; --! Horloge du composant | |
|
33 | rst : in std_logic; --! Reset general du composant | |
|
34 | enable : in std_logic; --! Autorise ou non l'utilisation du composant | |
|
35 | Data_C : in std_logic_vector(15 downto 0); --! Donn�e Num�rique d'entr�e sur 16 bits | |
|
36 | SYNC : out std_logic; --! Signal de synchronisation du convertisseur | |
|
37 | SCLK : out std_logic; --! Horloge systeme du convertisseur | |
|
38 | flag_sd : out std_logic; --! Flag, signale la fin de la s�rialisation d'une donn�e | |
|
39 | Data : out std_logic --! Donn�e num�rique s�rialis� | |
|
40 | ); | |
|
41 | end entity; | |
|
42 | ||
|
43 | --! @details Un driver C va permettre de g�nerer un tableau de donn�es sur 16 bits, | |
|
44 | --! qui seront s�rialis� pour �tre ensuite dirig�es vers le convertisseur. | |
|
45 | ||
|
46 | architecture ar_DacDriver of DacDriver is | |
|
47 | ||
|
48 | signal s_SCLK : std_logic; | |
|
49 | signal OKAI_send : std_logic; | |
|
50 | ||
|
51 | begin | |
|
52 | ||
|
53 | SystemCLK : Systeme_Clock | |
|
54 | generic map (nb_serial) | |
|
55 | port map (clk,rst,s_SCLK); | |
|
56 | ||
|
57 | ||
|
58 | Signal_sync : Gene_SYNC | |
|
59 | port map (s_SCLK,rst,enable,OKAI_send,SYNC); | |
|
60 | ||
|
61 | ||
|
62 | Serial : serialize | |
|
63 | port map (clk,rst,s_SCLK,Data_C,OKAI_send,flag_sd,Data); | |
|
64 | ||
|
65 | ||
|
66 | SCLK <= s_SCLK; | |
|
67 | ||
|
68 | end architecture; No newline at end of file |
@@ -31,7 +31,7 use lpp.lpp_amba.all; | |||
|
31 | 31 | |
|
32 | 32 | package lpp_cna is |
|
33 | 33 | |
|
34 |
component APB_ |
|
|
34 | component APB_DAC is | |
|
35 | 35 | generic ( |
|
36 | 36 | pindex : integer := 0; |
|
37 | 37 | paddr : integer := 0; |
@@ -51,7 +51,7 component APB_CNA is | |||
|
51 | 51 | end component; |
|
52 | 52 | |
|
53 | 53 | |
|
54 |
component |
|
|
54 | component DacDriver is | |
|
55 | 55 | port( |
|
56 | 56 | clk : in std_logic; |
|
57 | 57 | rst : in std_logic; |
|
1 | NO CONTENT: file was removed |
|
1 | NO CONTENT: file was removed |
General Comments 0
You need to be logged in to leave comments.
Login now