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1、#include static unsigned int count; /计数static int step_index; /步进索引数，值为07static bit turn; /步进电机转动方向static bit stop_flag; /步进电机停顿标志static int speedlevel; /步进电机转速参数，数值越大速度越慢，最小值为1，速度最快static int spcount; /步进电机转速参数计数void gorun(); /步进电机控制步进函数void main(void) count = 0; step_index = 0; spcount = 0; stop_f
2、lag = 0; P1_0 = 0; P1_1 = 0; P1_2 = 0; P1_3 = 0; EA = 1; /允许CPU中断 TMOD = 0x11; /设定时器0与1为16位模式1 ET0 = 1; /定时器0中断允许 TH0 = 0xFE; TR0 = 1; /开场计数 turn = 0; speedlevel = 2; delay(10000); speedlevel = 1; do speedlevel = 2; delay(10000); speedlevel = 1; delay(10000); stop_flag=1; delay(10000); stop_flag=0; while(1);/定时器0中断处理 void timeint(void) interrupt 1 TH0=0xFE; count+; spcount-; if(spcount=0) spcount = speedlevel; gorun();void delay(unsigned int endcount) count=0; dowhile(count7) step_index=0; else step_index-; if (step_index0) step_index=7;第 5 页