38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
#ifndef __SWM341_QEI_H__
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#define __SWM341_QEI_H__
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typedef struct {
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uint8_t mode; //QEI_MODE_X2、QEI_MODE_X4
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uint16_t maxcnt; //最大计数值
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uint8_t swapAB; //1 交换A、B引脚
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uint8_t intINDEXEn; //检测到Index脉冲中断使能
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uint8_t intMATCHEn; //POSCNT递增到与MAXCNT相等，或POSCNT从MAXCNT递减到0中断使能
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uint8_t intCNTOVEn; //Counter Overrun，计数器溢出中断使能
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uint8_t intERROREn; //计数器错误中断使能
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} QEI_InitStructure;
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#define QEI_MODE_X2 0
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#define QEI_MODE_X4 1
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#define QEI_INT_INDEX (1 << 0)
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#define QEI_INT_MATCH (1 << 1)
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#define QEI_INT_CNTOV (1 << 2)
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#define QEI_INT_ERROR (1 << 3)
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void QEI_Init(QEI_TypeDef * QEIx, QEI_InitStructure * initStruct); //QEI初始化
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void QEI_Start(QEI_TypeDef * QEIx); //启动QEI
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void QEI_Stop(QEI_TypeDef * QEIx); //关闭QEI
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uint32_t QEI_IndexLvl(QEI_TypeDef * QEIx); //QEI Index引脚电平
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uint32_t QEI_CountDir(QEI_TypeDef * QEIx); //QEI计数方向，0 反向计数 1 正向计数
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void QEI_IntEn(QEI_TypeDef * QEIx, uint32_t it); //QEI中断使能
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void QEI_IntDis(QEI_TypeDef * QEIx, uint32_t it); //QEI中断关闭
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void QEI_IntClr(QEI_TypeDef * QEIx, uint32_t it); //QEI中断标志清除
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uint32_t QEI_IntStat(QEI_TypeDef * QEIx, uint32_t it); //QEI中断状态查询
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#endif //__SWM341_QEI_H__
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