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完善IAR KEIL的read write桩函数

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This commit is contained in:
Meco Man
2021-11-12 16:47:32 -05:00
parent cb8d5c5d9d
commit 3a3b7ee632
7 changed files with 64 additions and 58 deletions
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29
components/libc/compilers/dlib/syscall_write.c
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@@ -9,13 +9,13 @@
*/
#include <rtthread.h>
#include <yfuns.h>
#include <LowLevelIOInterface.h>
#include <unistd.h>
#ifdef RT_USING_POSIX_STDIO
#include "libc.h"
#endif
#define DBG_TAG "dlib.syscall_write"
#define DBG_TAG "IAR.dlib.syscall_write"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
@@ -29,36 +29,31 @@ size_t __write(int handle, const unsigned char *buf, size_t len)
if ((handle == _LLIO_STDOUT) || (handle == _LLIO_STDERR))
{
#ifdef RT_USING_POSIX_STDIO
if (libc_stdio_get_console() < 0)
{
LOG_W("Do not invoke standard output before initializing libc");
return 0;
}
return write(STDOUT_FILENO, (void*)buf, len);
#elif defined(RT_USING_CONSOLE)
#ifdef RT_USING_CONSOLE
rt_device_t console_device;
console_device = rt_console_get_device();
if (console_device != 0)
if (console_device)
{
rt_device_write(console_device, 0, buf, len);
}
return len;
return len; /* return the length of the data written */
#else
return _LLIO_ERROR;
#endif /* RT_USING_POSIX */
#endif /* RT_USING_CONSOLE */
}
else if (handle == _LLIO_STDIN)
{
return _LLIO_ERROR;
}
else
{
#ifdef RT_USING_POSIX
size = write(handle, buf, len);
return size;
size = write(handle, buf, len);
return size; /* return the length of the data written */
#else
return _LLIO_ERROR;
return _LLIO_ERROR;
#endif /* RT_USING_POSIX */
}
}