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Support enable/disable of devices to reduce size

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1176 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2008-11-09 18:18:55 +00:00
parent 75fd416970
commit 89ee609e51
2 changed files with 32 additions and 6 deletions
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13
arch/sh/src/sh1/sh1_lowputc.c
View File

@ -56,9 +56,16 @@
/* Is there a serial console? */
#if defined(CONFIG_SCI0_SERIAL_CONSOLE) || defined(CONFIG_SCI1_SERIAL_CONSOLE)
# define HAVE_CONSOLE
#if defined(CONFIG_SCI0_SERIAL_CONSOLE) && defined(CONFIG_SH1_SCI0)
# define HAVE_CONSOLE 1
# undef CONFIG_SCI1_SERIAL_CONSOLE
#elif defined(CONFIG_SCI1_SERIAL_CONSOLE) && defined(CONFIG_SH1_SCI1)
# define HAVE_CONSOLE 1
# undef CONFIG_SCI0_SERIAL_CONSOLE
#else
# if defined(CONFIG_SCI0_SERIAL_CONSOLE) || defined(CONFIG_SCI1_SERIAL_CONSOLE)
# error "Serial console selected, but corresponding SCI not enabled"
# endif
# undef HAVE_CONSOLE
#endif
@ -166,10 +173,12 @@
*
**************************************************************************/
#ifdef HAVE_CONSOLE
int inline up_txready(void)
{
return getreg8(SH1_SCI_BASE + SH1_SCI_SSR_OFFSET) & SH1_SCISSR_TDRE;
}
#endif
/**************************************************************************
* Public Functions

25
arch/sh/src/sh1/sh1_serial.c
View File

@ -53,19 +53,36 @@
#include "up_arch.h"
#include "up_internal.h"
#ifdef CONFIG_USE_SERIALDRIVER
/****************************************************************************
* Definitions
****************************************************************************/
/* Some sanity checks *******************************************************/
/* Are there any SCIs? */
#if !defined(CONFIG_SH1_SCI0) && !defined(CONFIG_SH1_SCI1)
# ifdef CONFIG_USE_SERIALDRIVER
# error "Serial driver selected, but SCIs not enabled"
# endif
# undef HAVE_CONSOLE
# undef CONFIG_USE_SERIALDRIVER
#endif
#ifdef CONFIG_USE_SERIALDRIVER
/* Is there a serial console? */
#if defined(CONFIG_SCI0_SERIAL_CONSOLE) || defined(CONFIG_SCI1_SERIAL_CONSOLE)
# define HAVE_CONSOLE
#if defined(CONFIG_SCI0_SERIAL_CONSOLE) && defined(CONFIG_SH1_SCI0)
# define HAVE_CONSOLE 1
# undef CONFIG_SCI1_SERIAL_CONSOLE
#elif defined(CONFIG_SCI1_SERIAL_CONSOLE) && defined(CONFIG_SH1_SCI1)
# define HAVE_CONSOLE 1
# undef CONFIG_SCI0_SERIAL_CONSOLE
#else
# if defined(CONFIG_SCI0_SERIAL_CONSOLE) || defined(CONFIG_SCI1_SERIAL_CONSOLE)
# error "Serial console selected, but corresponding SCI not enabled"
# endif
# undef HAVE_CONSOLE
#endif