矩陣鍵盤實驗程序
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#include
#define duan P0//段選
#define wei P2//位選
unsigned char code wei1[8] = {
0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//位選控制 查表的方法控制
unsigned char code duan1[17] = {
0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//0、1、2、3、4、5、6、7、8、9、A、b、C、d、E、F的顯示碼
unsigned char ge;
unsigned int temp;
void keys(); //鍵盤掃描函數(shù)
void s(unsigned char xms); //延時函數(shù)
void DigDisplay(); //動態(tài)顯示函數(shù)
void main(void)
{
while(1)
{
DigDisplay();
keys();
}
}
關(guān)鍵詞：
矩陣鍵盤實驗程
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