教你用L298驅(qū)動步進(jìn)電機(jī)

1、L298驅(qū)動步進(jìn)電機(jī)（原創(chuàng)）2009-03-30 13:52#include #include "reg52.h"                               / 包含頭文件    /* 與編譯器無關(guān)的數(shù)據(jù)類型定義 */*/typed

2、ef unsigned char      uint8;                / 無符號8位整型變量typedef signed   char      int8;             

3、    / 有符號8位整型變量typedef unsigned short     uint16;               / 無符號16位整型變量typedef signed   short     int16;         &#

4、160;      / 有符號16位整型變量typedef unsigned int       uint32;               / 無符號32位整型變量typedef signed   int       int32;   &

5、#160;            / 有符號32位整型變量typedef float              fp32;                 / 單精度浮點(diǎn)數(shù)（32位長度）typedef

6、 double             fp64;                 / 雙精度浮點(diǎn)數(shù)（64位長度）/*/sbit P0_0 = P0 0; sbit P0_1 = P0 1; sbit P0_2 = P0 2; sbit P0_3 = P0 3; sbit P0_4 = P0 4; sbit P0_5

7、= P0 5; sbit P0_6 = P0 6; sbit P0_7 = P0 7;/ 定義位變量 /=/=/* 函數(shù)名稱：Delay()* 功    能：軟件延時(shí)* 入口參數(shù)：count    延時(shí)參數(shù)，值越大，延時(shí)越長* 出口參數(shù)：無*/void Delay(uint16 count)uint8 i;               while(-count != 0) &#

8、160;               for(i = 0; i < 125; i+);                / "" 表示空語句,CPU空轉(zhuǎn)。              &#

9、160;                    / i 從0加到125，在12M晶體下CPU大概耗時(shí)1毫秒/=void main (void)                while(1)      

10、;                                   P0_0=1;P0_1=0;P0_2=0;P0_3=0;Delay(50);          &

11、#160;                    /控制轉(zhuǎn)速    P0_0=1;P0_1=1;P0_2=0;P0_3=0;Delay(50);P0_0=0;P0_1=1;P0_2=0;P0_3=0;    Delay(50);    P0_0=0;P0_1=1;P0_2=1;P0_3=0;Delay(50);    P0_0=0;P0_1=0;P0_2=1;P0_3=0;    Delay(50);P0_0=0;P0_1=