MSP430éï¼ç½®1为|=ï¼ç½®0为&=~ï¼åå为^ã
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P1DIR|=BIT0;å³æ¯å°P1^0设为è¾åºã
P1DIR&=~BIT1;å³æ¯å°P1^1设为è¾å
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ç¶åï¼å°P1^0åå«ç½®é«ãç½®ä½ãååçæä½ä¸º:
P1OUT|=BIT0;
P1OUT&=~BIT0;
P1OUT^=BIT0;
追é®sbit ad9850_bit_data =P2^7;
unsigned char i,w;
ad9850_bit_data=(w>>i)&0x01;
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