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Altera_Forum's avatar
Altera_Forum
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16 years ago

Error in Hello_world_small compilation !

Hi,

I'm just trying to get nios II ide to work with a simple Hello_world_small application.

But I get a compilation error related to the "alt_putstr()" function...

The board is working without this function (ie. led counting etc..)

I leave all the setting to the defaults settings ...

Here, the first error :

/cygdrive/c/altera/81/nios2eds/components/altera_hal/HAL/src/alt_putstr.c undefined reference to `null'

Then the following 4 errors are related to this function...

Here the console output : 


**** Build of configuration Release for project hello_world_small_1 ****
make -s all includes 
Compiling hello_world_small.c...
Linking hello_world_small_0.elf...
/cygdrive/c/NiosII/software/hello_world_small_0_syslib/Release/libhello_world_small_0_syslib.a(alt_putstr.o)(.text+0x1c): In function `alt_putstr':
/cygdrive/c/altera/81/nios2eds/components/altera_hal/HAL/src/alt_putstr.c:64: undefined reference to `null'
/cygdrive/c/NiosII/software/hello_world_small_0_syslib/Release/libhello_world_small_0_syslib.a(alt_putstr.o)(.text+0x20):/cygdrive/c/altera/81/nios2eds/components/altera_hal/HAL/src/alt_putstr.c:64: undefined reference to `null'
/cygdrive/c/NiosII/software/hello_world_small_0_syslib/Release/libhello_world_small_0_syslib.a(alt_putstr.o)(.text+0x28):/cygdrive/c/altera/81/nios2eds/components/altera_hal/HAL/src/alt_putstr.c:64: undefined reference to `ALT_MODULE_CLASS_null_write'
/cygdrive/c/NiosII/software/hello_world_small_0_syslib/Release/libhello_world_small_0_syslib.a(alt_putstr.o)(.text+0x2c):/cygdrive/c/altera/81/nios2eds/components/altera_hal/HAL/src/alt_putstr.c:64: undefined reference to `ALT_MODULE_CLASS_null_write'
collect2: ld returned 1 exit status
make: ***  Error 1
Build completed in 14.321 seconds

Please help me, what's wrong ?

13 Replies

  • Altera_Forum's avatar
    Altera_Forum
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    16 years ago

    i think you can turn off the lightweight device driver API to get around this.

  • Altera_Forum's avatar
    Altera_Forum
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    16 years ago

    Thank you very much for your fast reply..

    But what is the lightweight driver ?

    And where I can turn off this driver ?

    Thanks...
  • Altera_Forum's avatar
    Altera_Forum
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    16 years ago

    in Nios IDE right click on your project hello_world_small0 and go down to System Library Properties. then uncheck the Lightweight device driver API box.

  • Altera_Forum's avatar
    Altera_Forum
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    16 years ago

    thepancake !! Thank you !

    It was my problem !!

    Now I don't have this problem !!!

    But, I don't see anything in the console of the nios II IDE...

    How can I get message in the console ?

    Thank you again for your previous fast replies !!
  • Altera_Forum's avatar
    Altera_Forum
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    16 years ago

    make sure the stdout is set as jtag_uart in the same System Libraries window.

    then run on your target hardware.
  • Altera_Forum's avatar
    Altera_Forum
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    16 years ago

    Man, you're the best !

    Thank you for your fast reply !

    I don't have the choice...

    I have only the "null" choice in the stdout, even in the stdin and stderr etc..
  • Altera_Forum's avatar
    Altera_Forum
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    16 years ago

    Uhhh... I forgot to place the jtag_uart module in SOPC...

    Now I have jtag_uart_0, which is appear...

    But even it's selected, I don't have any echos in the console ?

    Here : the output of the console 

    Using cable "USB-Blaster ", device 1, instance 0x00
Pausing target processor: OK
Initializing CPU cache (if present)
OK
Downloading 00002000 ( 0%)
Downloaded 3KB in 0.0s        
Verifying 00002000 ( 0%)
Verified OK                         
Leaving target processor paused

    I made some reset (hard reset with a push button..) and I don't have anything else in the console output...

    What's is wrong please ?
  • Altera_Forum's avatar
    Altera_Forum
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    16 years ago

    is the clock connected and are you sure the reset is of correct polarity, it should be active high. i am not sure whether NIOS IDE will download the program file if either the clock or reset is not connected correctly. you might check niosforum.com for similar issues.

  • Altera_Forum's avatar
    Altera_Forum
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    15 years ago

    Hi, i'm using Nios2 9.1 and i'm getting the same error...i cant find any system library properties...any way to solve it?

    *Solved the problem by adding a JTAG_UART (stdout device) in SOPC