具体情况是这样的。我使用MSP-EXP430G2开发板做了一个键盘检测,就是那种非常简单的键盘,代码如下#include "msp430g2553.h"void delay(unsigned int a){for(;a0;a--);}unsigned int key(){ unsigned int i,j,k;P2SEL=0x00;P2DIR=0x00;TX:k=P2IN0xf0;for(;k==
[b]A[/b][b]Advanced Battery Management[/b]A three-stage charging system designed to prolong the service life of UPS batteries. By charging the batteries only when necessary, battery life is significan
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