update rt_kprintf: make sure the device is in STREAM mode when used by rt_kprintf.

This commit is contained in:
aozima 2013-09-24 15:25:24 +08:00
parent 0b844aa82d
commit cad12ee14e
1 changed files with 5 additions and 0 deletions

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@ -29,6 +29,7 @@
* 2012-11-23 Bernard fix IAR compiler error.
* 2012-12-22 Bernard fix rt_kprintf issue, which found by Grissiom.
* 2013-06-24 Bernard remove rt_kprintf if RT_USING_CONSOLE is not defined.
* 2013-09-24 aozima make sure the device is in STREAM mode when used by rt_kprintf.
*/
#include <rtthread.h>
@ -1125,7 +1126,11 @@ void rt_kprintf(const char *fmt, ...)
}
else
{
rt_uint16_t old_flag = _console_device->flag;
_console_device->flag |= RT_DEVICE_FLAG_STREAM;
rt_device_write(_console_device, 0, rt_log_buf, length);
_console_device->flag = old_flag;
}
#else
rt_hw_console_output(rt_log_buf);