控制28BYJ-48步进电机按指定的角度进行正转和反转
// 定义28BYJ-48步进电机的相序
unsigned char stepSequence = {0x01, 0x03, 0x02, 0x06, 0x04, 0x0C, 0x08, 0x09};
// 定义步进电机当前位置和角度
unsigned char currentPosition = 0;
unsigned int currentAngle = 0;
// 延时函数
void delay(unsigned int time) {
unsigned int i, j;
for (i = 0; i < time; i++) {
for (j = 0; j < 120; j++);
}
}
// 步进电机正转函数
void stepForward(unsigned int angle) {
unsigned int steps = angle / 5;// 每步转动角度为5度
unsigned int i;
for (i = 0; i < steps; i++) {
currentPosition++;
if (currentPosition >= 8) {
currentPosition = 0;
}
P1 = stepSequence;
delay(10);// 控制步进电机转速，可调整延时时间
}
currentAngle += angle;
}
// 步进电机反转函数
void stepBackward(unsigned int angle) {
unsigned int steps = angle / 5;// 每步转动角度为5度
unsigned int i;
for (i = 0; i < steps; i++) {
if (currentPosition == 0) {
currentPosition = 8;
}
currentPosition--;
P1 = stepSequence;
delay(10);// 控制步进电机转速，可调整延时时间
}
currentAngle -= angle;
}
// 主函数
void main() {
while (1) {
// 正转180度
stepForward(180);
delay(1000);// 停顿1秒钟
// 反转90度
stepBackward(90);
delay(1000);// 停顿1秒钟
}
}
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