libs/rt-thread-official
libs
/
rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
4
0
Fork 0
Code Issues Releases Wiki Activity

Merge pull request #3352 from z14git/serial_bug_fix 

修复因串口接收缓冲区满且没有开启ULOG_USING_ISR_LOG而造成的死机问题
This commit is contained in:
Bernard Xiong 2020-02-11 11:56:01 +08:00 committed by GitHub
parent fbe98db381 50c2af5eea
commit dd5178efdf
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
components/drivers/serial/serial.c
View File

@ -330,14 +330,16 @@ rt_inline int _serial_int_tx(struct rt_serial_device *serial, const rt_uint8_t *
static void _serial_check_buffer_size(void)
{
static rt_bool_t already_output = RT_FALSE;
if (already_output == RT_FALSE)
{
#if !defined(RT_USING_ULOG) || defined(ULOG_USING_ISR_LOG)
LOG_W("Warning: There is no enough buffer for saving data,"
" please increase the RT_SERIAL_RB_BUFSZ option.");
#endif
already_output = RT_TRUE;
}
}
}
#if defined(RT_USING_POSIX) || defined(RT_SERIAL_USING_DMA)
static rt_size_t _serial_fifo_calc_recved_len(struct rt_serial_device *serial)
@ -1286,4 +1288,3 @@ void rt_hw_serial_isr(struct rt_serial_device *serial, int event)
#endif /* RT_SERIAL_USING_DMA */
}
}