[GitHub] [incubator-nuttx] robin-raymond opened a new issue #475: up_mdelay multiple definitions

[GitBox]

robin-raymond opened a new issue #475: up_mdelay multiple definitions
URL: https://github.com/apache/incubator-nuttx/issues/475
 
 
   In file: 
   `nuttx/arch/arm/src/common/up_mdelay.c`
   
   ````
   void up_mdelay(unsigned int milliseconds)
   {
     volatile unsigned int i;
     volatile unsigned int j;
   
     for (i = 0; i < milliseconds; i++)
       {
         for (j = 0; j < CONFIG_BOARD_LOOPSPERMSEC; j++)
           {
           }
       }
   }
   ````
   
   is defined. But if you enable the timer driver you get:
   
   ````
   void up_mdelay(unsigned int milliseconds)
   {
     up_udelay(USEC_PER_MSEC * milliseconds);
   }
   ````
   
   in file `nuttx/drivers/timers/arch_timer.c`
   
   
   And thus the compiler error becomes:
   ````
   nuttx/nuttx/staging/libdrivers.a(arch_timer.o): In function `up_mdelay':
   arch_timer.c:(.text+0x208): multiple definition of `up_mdelay'
   nuttx/nuttx/staging/libkarch.a(up_mdelay.o):up_mdelay.c:(.text+0x0): first 
defined here
   ````
   

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