diff options
Diffstat (limited to 'nuttx/arch/z16/src/common/up_internal.h')
-rw-r--r-- | nuttx/arch/z16/src/common/up_internal.h | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/nuttx/arch/z16/src/common/up_internal.h b/nuttx/arch/z16/src/common/up_internal.h index 2c1968e8d..e4dfd1dd5 100644 --- a/nuttx/arch/z16/src/common/up_internal.h +++ b/nuttx/arch/z16/src/common/up_internal.h @@ -1,7 +1,7 @@ /**************************************************************************** * common/up_internal.h * - * Copyright (C) 2008-2009, 2011-2012 Gregory Nutt. All rights reserved. + * Copyright (C) 2008-2009, 2011-2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -60,15 +60,42 @@ #undef CONFIG_Z16_LOWPUTC /* Support up_lowputc for debug */ #undef CONFIG_Z16_LOWGETC /* support up_lowgetc for debug */ -/* Determine which (if any) console driver to use */ +/* Determine which (if any) console driver to use. If a console is enabled + * and no other console device is specified, then a serial console is + * assumed. + */ #if defined(CONFIG_Z16_LOWPUTC) || defined(CONFIG_Z16_LOWGETC) || \ CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE) # define USE_LOWCONSOLE 1 # define USE_LOWUARTINIT 1 -#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0 +#elif !defined(CONFIG_DEV_CONSOLE) || CONFIG_NFILE_DESCRIPTORS <= 0 +# undef USE_SERIALDRIVER +# undef USE_EARLYSERIALINIT +# undef CONFIG_DEV_LOWCONSOLE +# undef CONFIG_RAMLOG_CONSOLE +#else +# if defined(CONFIG_RAMLOG_CONSOLE) +# undef USE_SERIALDRIVER +# undef USE_EARLYSERIALINIT +# undef CONFIG_DEV_LOWCONSOLE +# elif defined(CONFIG_DEV_LOWCONSOLE) +# undef USE_SERIALDRIVER +# undef USE_EARLYSERIALINIT +# else +# define USE_SERIALDRIVER 1 +# define USE_EARLYSERIALINIT 1 +# endif +#endif + +/* If some other device is used as the console, then the serial driver may + * still be needed. Let's assume that if the upper half serial driver is + * built, then the lower half will also be needed. There is no need for + * the early serial initialization in this case. + */ + +#if !defined(USE_SERIALDRIVER) && defined(CONFIG_STANDARD_SERIAL) # define USE_SERIALDRIVER 1 -# define USE_EARLYSERIALINIT 1 #endif /* Determine which device to use as the system logging device */ |