MSP430F149的步进电机程序主要实现步进电机的加减速运行程序步进电机转速由慢到快逐步加速步进电机的匀速运行程序步进电机由快到慢逐步减速到停止#include#defineucharunsignedchar#defineuintunsignedintucharFFW8=0xFE,0xFC,0xFD,0xF9,0xFB,0xF3,0xF7,0xF6;/步进电机的正转数组ucharREV8=0xF6,0xF7,0xF3,0xFB,0xF9,0xFD,0xFC,0xFE;/步进电机的反转数组ucharrate;/步进电机的速度延时函数delay8MHz时钟，voiddelay(uchark)uints;k=rate;dofor(s=0;s200;s+);while(-k);步进电机的正转程序voidmotor_ffw()uchari;for(i=0;i8;i+)/一个周期转30度P50UT=FFWi;取数据delay(2);/调节转速/*步进电机反转程序voidmotor_rev()uchari;for(i=0;i0;i-);while(IFG1&OFIFG)!=0);while(1)/输出高电平P1OUT=0x00;motor_turn();