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...,业界预计,至少在2005年前8位的MCU仍是MCU产品的主流。13. 学习ARM及嵌入式系统是否比学习其它一般单片机更有使用前景?对于一个初学者应当具备哪些相关知识?答:一般在8位单片机与ARM方面的嵌入式系统是有层次上的差别...
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...ß tcnt1<OCR1ALʱOC1AΪµÍ
//WGM11=0 WGM10=1
TCCR1B=0x00;
//WGM13=0 WGM12=0 CS12=1 CS11=0 CS10=0 ·ÖƵϵÊý=256
TCNT1H=0x00;
TCNT1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00; //Õ¼¿Õ±È=40% (0xff-0x99)/0xff=0.4
//Õ¼¿Õ±È=80% 0x33
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter ...
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...T_END 384
commit:https://github.com/torvalds/linux/commit/a5d31a3f81c6fb13b381951bf6163444c0257e8b#diff-3b17f7c08e0e1995904f19fbfff59700e41d1fe60a11ab3a40d4e0675a12c732解决方案:如果你跟我一样不幸,是用的古董级别的内核(4.15之前的版本),又恰好碰到了231这...
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... {"guid_routing_order_no_scatter", 0, NULL, 13},
{NULL, 0, NULL, 0} /* Required at the end of the array */
};
/* force stdout to be line-buffered */
s...
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...块+万年历
#include <at89x51.h>
#include "18b20.h"
#include "1302.h"
#include "12864.h"
#include "zifu.h"
uchar k,direction;
bit flag;
bit flag5=0; //flag5是外部中断1的标志位 flag1是步进标志
uchar p,dengji;  ...
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...Name=zhangtao001, password=1234]Person [ID=null, name=李四, sex=男, tel=13446567668, age=23, address=上海, userName=lisi001, password=1234]Person [ID=null, name=李明, sex=女, tel=1675520234, age=23, address=天津, userName=111, password=111]Person [ID=null, name=张炜, sex=男, tel=1780243...