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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

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This commit is contained in:
z14git 2020-01-18 10:10:17 +08:00
parent 54814c42e7
commit 1499844699
1 changed files with 4 additions and 3 deletions
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7
components/drivers/serial/serial.c
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@ -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(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 */
}
}