coupla n00b Q's on libraries

[Altera_Forum]

Hi we just started using Quartus on my course and we've come up stuck trying to create a library 

 the notes we have been following from Penn Uni  give the code:  -- Package declaration library ieee; use ieee.std_logic_1164.all; package basic_func is -- AND2 declaration component AND2 generic (DELAY: time :=5ns); port (in1, in2: in std_logic; out1: out std_logic); end component; -- OR2 declaration component OR2 generic (DELAY: time :=5ns); port (in1, in2: in std_logic; out1: out std_logic); end component; end package basic_func; -- Package body declarations library ieee; use ieee.std_logic_1164.all; package body basic_func is -- 2 input AND gate entity AND2 is generic (DELAY: time); port (in1, in2: in std_logic; out1: out std_logic); end AND2; architecture model_conc of AND2 is begin out1 <= in1 and in2 after DELAY; end model_conc; -- 2 input OR gate entity OR2 is generic (DELAY: time); port (in1, in2: in std_logic; out1: out std_logic); end OR2; architecture model_conc2 of AND2 is begin out1 <= in1 or in2 after DELAY; end model_conc2; end package body basic_func;  but dont give much more on saving the file etc, I assume this has to be done in a certain way, as opposed to a simple vhd file, as when we try to call this from the actual program  library ieee, my_func; use ieee.std_logic_1164.all, my_func.basic_func.all; --...rest of prog  we're getting loads of errors like this however we are fairly clueless on this point, do we have to create the library differently? in a package? any help much appreciated!! :)

[Altera_Forum]

Without specifying an alternative library, all package code goes to default library work and 

could be made available like this LIBRARY work; USE work.<packagename>.all;

[Altera_Forum]

How to add to work library? 

 I save the file with package code as a VHDL file in my local project folder (not the general Altera base folder, as we work from network drives) then what?  has this been automatically added to work lib?  where is work lib?  + more random dumb q's.....  bear in mind am total noob to creating packages/libraries, so if you could elaborate would be great  thanks!

[Altera_Forum]

Hello, 

 it's as you expect: All your project files are compiled to the library work. From a users view, it's only a name space for packages. You can use it e. g. for project wide function, type and constant definitions.  Regards, Frank

[Altera_Forum]

Hi 

 so have library ieee, work; use ieee.std_logic_1164.all, work.basic_func.all; at the start of my code now, with basic_func.vhdl stored in my project directory  but still have same errors. the main one being  Error: VHDL Use Clause error at buzzer.vhd(4): design library "work" does not contain primary unit "basic_func"  then  Error: Ignored construct buzzer at buzzer.vhd(6) because of previous errors -thus- Error: VHDL error at buzzer.vhd(11): entity "buzzer" is used but not declared  and strangely  Error: VHDL error at buzzer.vhd(14): object "std_logic" is used but not declared  as if even the ieee.std_logic_1164 package is not being used????  once again any help is much appreciated and much thanks for the help so far :)

[Altera_Forum]

Correct syntax is like this: 

library ieee; use ieee.std_logic_1164.all; library work; use work.basic_func.all;

[Altera_Forum]

Hi thanks for persevering with me, I have altered as last post, but still have the same errors.. 

 my buzzer.vhd code is this: -- Example of a car door, seatbelt, ignition buzzer. -- Definition of buzzer. library ieee; use ieee.std_logic_1164.all; library work; use work.basic_func.all; entity buzzer is port (DOOR, IGNITION, SBELT: in std_logic; WARNING: out std_logic); end buzzer; architecture structural of buzzer is -- Declarations of architectural components. component AND21 port (in1, in2: in std_logic; out1: out std_logic); end component; component OR21 port (in1, in2: in std_logic; out1: out std_logic); end component; component NOT11 port (in1: in std_logic; out1: out std_logic); end component; -- Declaration of signals used to interconnect gates signal DOOR_NOT, SBELT_NOT, B1, B2: std_logic; begin -- Map architecture of buzzer i.e. connections between components. -- Component instantiations statements U0: NOT11 port map (DOOR, DOOR_NOT); U1: NOT11 port map (SBELT, SBELT_NOT); U2: AND21 port map (IGNITION, DOOR_NOT, B1); U3: AND21 port map (IGNITION, SBELT_NOT, B2); U4: OR21 port map (B1, B2, WARNING); end structural;  with my basic_func.vhd file (in the same directory) being: -- Package declaration library ieee; use ieee.std_logic_1164.all; package basic_func is -- AND2 declaration component AND21 port (in1, in2: in std_logic; out1: out std_logic); end component; -- OR2 declaration component OR21 port (in1, in2: in std_logic; out1: out std_logic); end component; --NOT1 declaration component NOT11 port (in1: in std_logic; out1: out std_logic); end component; end package basic_func; -- Package body declarations library ieee; use ieee.std_logic_1164.all; package body basic_func is -- 2 input AND gate entity AND21 is port (in1, in2: in std_logic; out1: out std_logic); end AND21; architecture model_conc of AND21 is begin out1 <= in1 and in2; end model_conc; -- 2 input OR gate entity OR21 is port (in1, in2: in std_logic; out1: out std_logic); end OR21; architecture model_conc2 of AND21 is begin out1 <= in1 or in2; end model_conc2; -- 1 input NOT gate entity NOT11 is port (in1: in std_logic; out1: out std_logic); end NOT11; architecture model_conc3 of NOT11 is begin out1 <= not in1; end model_conc3; end package body basic_func;  compile messages are: Info: ******************************************************************* Info: Running Quartus II Analysis & Synthesis Info: Version 5.0 Build 168 06/22/2005 Service Pack 1 SJ Web Edition Info: Processing started: Thu Mar 06 11:25:31 2008 Info: Command: quartus_map --read_settings_files=on --write_settings_files=off buzzer -c buzzer Error: VHDL Use Clause error at buzzer.vhd(7): design library "work" does not contain primary unit "basic_func" Error: Ignored construct buzzer at buzzer.vhd(9) because of previous errors Error: VHDL error at buzzer.vhd(14): entity "buzzer" is used but not declared Error: VHDL error at buzzer.vhd(17): object "std_logic" is used but not declared Error: VHDL error at buzzer.vhd(18): object "std_logic" is used but not declared Error: VHDL error at buzzer.vhd(22): object "std_logic" is used but not declared Error: VHDL error at buzzer.vhd(23): object "std_logic" is used but not declared Error: VHDL error at buzzer.vhd(27): object "std_logic" is used but not declared Error: VHDL error at buzzer.vhd(28): object "std_logic" is used but not declared Error: VHDL error at buzzer.vhd(31): object "std_logic" is used but not declared Error: VHDL error at buzzer.vhd(36): object "DOOR" is used but not declared Error: VHDL error at buzzer.vhd(36): object "DOOR_NOT" is used but not declared Error: VHDL error at buzzer.vhd(36): cannot associate formal port "out1" of mode "out" with an expression Error: VHDL error at buzzer.vhd(37): object "SBELT" is used but not declared Error: VHDL error at buzzer.vhd(37): object "SBELT_NOT" is used but not declared Error: VHDL error at buzzer.vhd(37): cannot associate formal port "out1" of mode "out" with an expression Error: VHDL error at buzzer.vhd(38): object "IGNITION" is used but not declared Error: VHDL error at buzzer.vhd(38): object "DOOR_NOT" is used but not declared Error: VHDL error at buzzer.vhd(38): object "B1" is used but not declared Info: Found 0 design units, including 0 entities, in source file buzzer.vhd Error: Quartus II Analysis & Synthesis was unsuccessful. 19 errors, 0 warnings Error: Processing ended: Thu Mar 06 11:25:32 2008 Error: Elapsed time: 00:00:01 Error: Quartus II Full Compilation was unsuccessful. 19 errors, 0 warnings  I'm thinking maybe that I don't have the package code set out right, but can't figure out what it is...

[Altera_Forum]

When compiling in quartus, I believe the order of the list of files to compile does matter. Make sure your package file is at the top of the list. This could cause your first error message.

[Altera_Forum]

hi  

thanks for that has solved the most alarming errors alright but still have a slew of errors. may be something fundamental as we are working from someone else's notes and they are not for Quartus (Xilinx Foundation synthesis program.), just VHDL!  errors now are as: Info: ******************************************************************* Info: Running Quartus II Analysis & Synthesis Info: Version 5.0 Build 168 06/22/2005 Service Pack 1 SJ Web Edition Info: Processing started: Mon Mar 10 16:55:35 2008 Info: Command: quartus_map --read_settings_files=on --write_settings_files=off buzzer_structural -c buzzer_structural Error: VHDL syntax error at basic_func.vhd(26) near text "entity"; expecting "end", or a declaration statement, Error: VHDL syntax error at basic_func.vhd(29): name used in construct must match previously specified name "basic_func" Error: Ignored construct basic_func at basic_func.vhd(24) because of previous errors Error: VHDL error at basic_func.vhd(31): entity "AND2" is used but not declared Error: VHDL error at basic_func.vhd(33): object "out1" is used but not declared Error: VHDL error at basic_func.vhd(39): object "std_logic" is used but not declared Error: Ignored construct OR2 at basic_func.vhd(37) because of previous errors Error: VHDL error at basic_func.vhd(42): entity "AND2" is used but not declared Error: VHDL error at basic_func.vhd(44): object "out1" is used but not declared Error: VHDL syntax error at basic_func.vhd(46) near text "end"; expecting "entity", or "architecture", or "use", or "library", or "package", or "configuration" Error: VHDL syntax error at basic_func.vhd(46) near text ";"; expecting "is" Info: Found 0 design units, including 0 entities, in source file basic_func.vhd Error: Quartus II Analysis & Synthesis was unsuccessful. 11 errors, 0 warnings Error: Processing ended: Mon Mar 10 16:55:36 2008 Error: Elapsed time: 00:00:01 Error: Quartus II Full Compilation was unsuccessful. 11 errors, 0 warnings  sorry for asking on errors that seem to poin to something silly but have tried several combinations and permutations and cant seem to figure it out  ta for all the help so far folks!

[Altera_Forum]

Hello, 

 basically, none of the observed problems is related to Altera specific issues, it's simply a matter of syntax not corresponding to VHDL rules. The code would not compile with any other RTL compiler or simulator to my opinion.  The error messages are referencing to specific code lines, normal procedure is to start with the first error message and try to understand the cause.    --- Quote Start ---  Error: VHDL syntax error at basic_func.vhd(26) near text "entity";   --- Quote End ---   You are defining an entity inside of a package body, this isn't a legal VHDL construct.  Possible parts of a package body are according to VHDL sepecification   --- Quote Start ---  package_body_declarative_item ::= subprogram_declaration | subprogram_body | type_declaration | subtype_declaration | constant_declaration | shared_variable_declaration | file_declaration | alias_declaration | use_clause | group_template_declaration | group_declaration  --- Quote End ---   (I'm referring to IEEE 1076 instead of a compiler manual, cause they sometimes leave out some rarely used part of the specification. But what can be found in IEEE 1076 obviously isn't legal VHDL)  Generally entities are declared in separate design units rather than packages. This can be in the same file as the package, but after end of package definition.  Regards, Frank

[Altera_Forum]

hey thanks for persevering with this frank. :o  

 thanks for that, I must try and get a better tutorial site as this is pretty much cut and paste from the one i'm using currently, so thought that was supposed to go in there, seemed a bit strange alright!  will try this when I get back to it