当遇到错误(或失败的事务)时，除了错误计数器的数量会增加外，最好标识出此处有错。
When an error (or failed transaction) is encountered, besides increasing the error counter, it is a good idea to print an indication that there was an error.
除了每天早晨拜大忏外，只要记得起来，我就用计数器念阿弥陀佛。
Apart from doing a prostration every morning, I also chant the name of Amitofo by using the counter whenever I remember.
说明：51单片机外中断实验C源码，两个实验：1、外中断计数2位数码管显示；2、外中断计数器。
SCM experiment C source code external interruption, two experiments: 1, outside interrupt count two digital tube display 2 and external interruption counter.
说明：51单片机外中断实验C源码，两个实验：1、外中断计数2位数码管显示；2、外中断计数器。
SCM experiment C source code external interruption, two experiments: 1, outside interrupt count two digital tube display 2 and external interruption counter.
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