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add RT_USING_DEVICE definition. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1259 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2011-01-24 13:40:42 +00:00
parent 86e7b772c2
commit 4e3839d702
2 changed files with 10 additions and 1 deletions
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2
include/rtthread.h
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@ -339,7 +339,9 @@ rt_int32_t rt_vsprintf(char *dest, const char *format, va_list arg_ptr);
rt_int32_t rt_sprintf(char *buf ,const char *format,...);
rt_int32_t rt_snprintf(char *buf, rt_size_t size, const char *format, ...);
#ifdef RT_USING_DEVICE
rt_device_t rt_console_set_device(const char* name);
#endif
void rt_kprintf(const char *fmt, ...);
rt_err_t rt_get_errno(void);

9
src/kservice.c
View File

@ -31,7 +31,9 @@ int errno;
#else
#include <errno.h>
#endif
#ifdef RT_USING_DEVICE
static rt_device_t _console_device = RT_NULL;
#endif
/*
* This function will get errno
@ -902,6 +904,7 @@ rt_int32_t rt_sprintf(char *buf ,const char *format,...)
return n;
}
#ifdef RT_USING_DEVICE
/**
* This function will set a device as console device.
* After set a device to console, all output of rt_kprintf will be
@ -935,6 +938,7 @@ rt_device_t rt_console_set_device(const char* name)
return old;
}
#endif
#if defined(__GNUC__)
void rt_hw_console_output(const char* str) __attribute__((weak));
@ -965,6 +969,7 @@ void rt_kprintf(const char *fmt, ...)
va_start(args, fmt);
length = vsnprintf(rt_log_buf, sizeof(rt_log_buf), fmt, args);
#ifdef RT_USING_DEVICE
if (_console_device == RT_NULL)
{
rt_hw_console_output(rt_log_buf);
@ -973,7 +978,9 @@ void rt_kprintf(const char *fmt, ...)
{
rt_device_write(_console_device, 0, rt_log_buf, length);
}
#else
rt_hw_console_output(rt_log_buf);
#endif
va_end(args);
}