If the analog value is in the upper half of the analogtodigitalconversion range, then the bit Cm will be kept otherwise it will be discarded.
如果模拟值在模数转换范围的上半部分中,则将保持位Cm;否则,丢弃它。
2
In the signal into the A / D converter analogtodigitalconversion, the final processing of data into the microcontroller, then the output is displayed, and determine whether there is a gas leak.