31 lines
1.0 KiB
C
31 lines
1.0 KiB
C
/**************************************************************************//**
|
|
*
|
|
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2020-4-20 FYChou First version
|
|
*
|
|
* Tips:
|
|
* QEI compare interrupt flag *(pulse_encoder->user_data): If compare value is
|
|
* not null, after execute device init, compare interrupt will be enabled automatic.
|
|
* When the interrupt occur, interrupt flag will be set 1.
|
|
*
|
|
******************************************************************************/
|
|
|
|
#ifndef __DRV_QEI_H__
|
|
#define __DRV_QEI_H__
|
|
|
|
#include <rtthread.h>
|
|
|
|
rt_int32_t nu_qei_get_maxval(rt_device_t *pulse_encoder);
|
|
rt_int32_t nu_qei_get_cmpval(rt_device_t *pulse_encoder);
|
|
rt_int32_t nu_qei_get_type(rt_device_t *pulse_encoder);
|
|
void nu_qei_set_maxval_type(rt_device_t *pulse_encoder, rt_uint32_t u32val, rt_uint8_t u8type);
|
|
void nu_qei_set_cmpval(rt_device_t *pulse_encoder, rt_uint32_t u32val);
|
|
|
|
|
|
#endif // __DRV_QEI_H___
|