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[kservice] optimize console_device

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This commit is contained in:
Meco Man 2024-12-09 21:46:24 -05:00
parent ebe05a91df
commit 6cad23bc31
1 changed files with 11 additions and 16 deletions
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27
src/kservice.c
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@ -187,23 +187,15 @@ RTM_EXPORT(rt_console_get_device);
*/
rt_device_t rt_console_set_device(const char *name)
{
rt_device_t new_device, old_device;
rt_device_t old_device = _console_device;
rt_device_t new_device = rt_device_find(name);
/* save old device */
old_device = _console_device;
/* find new console device */
new_device = rt_device_find(name);
/* check whether it's a same device */
if (new_device == old_device) return RT_NULL;
if (new_device != RT_NULL)
if (new_device != RT_NULL && new_device != old_device)
{
if (_console_device != RT_NULL)
if (old_device != RT_NULL)
{
/* close old console device */
rt_device_close(_console_device);
rt_device_close(old_device);
}
/* set new console device */
@ -319,20 +311,23 @@ static void _console_release(void)
*/
static void _kputs(const char *str, long len)
{
RT_UNUSED(len);
#ifdef RT_USING_DEVICE
rt_device_t console_device = rt_console_get_device();
#endif /* RT_USING_DEVICE */
CONSOLE_TAKE;
#ifdef RT_USING_DEVICE
if (_console_device == RT_NULL)
if (console_device == RT_NULL)
{
rt_hw_console_output(str);
}
else
{
rt_device_write(_console_device, 0, str, len);
rt_device_write(console_device, 0, str, len);
}
#else
RT_UNUSED(len);
rt_hw_console_output(str);
#endif /* RT_USING_DEVICE */