rt-thread-official/bsp/nuvoton/libraries/m460/StdDriver/inc/nu_kpi.h

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/**************************************************************************//**
* @file nu_kpi.h
* @version V3.00
* @brief Keypad interface driver header file
*
* @copyright SPDX-License-Identifier: Apache-2.0
* @copyright Copyright (C) 2021 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#ifndef __NU_KPI_H__
#define __NU_KPI_H__
#ifdef __cplusplus
extern "C"
{
#endif
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup KPI_Driver KPI Driver
@{
*/
/** @addtogroup KPI_EXPORTED_CONSTANTS KPI Exported Constants
@{
*/
#define KPI_MAX_ROW 6
#define KPI_MAX_COL 8
#define KPI_MAX_KEYS (KPI_MAX_ROW * KPI_MAX_COL)
#define KPI_PRESS 0
#define KPI_RELEASE 1
typedef struct
{
uint8_t x;
uint8_t y;
uint16_t st;
} KPI_KEY_T;
/**@}*/ /* end of group KPI_EXPORTED_CONSTANTS */
/** @addtogroup KPI_EXPORTED_FUNCTIONS KPI Exported Functions
@{
*/
int32_t KPI_Open(uint32_t u32Rows, uint32_t u32Columns, KPI_KEY_T *pkeyQueue, uint32_t u32MaxKeyCnt);
void KPI_Close(void);
int32_t KPI_kbhit(void);
KPI_KEY_T KPI_GetKey(void);
void KPI_SetSampleTime(uint32_t ms);
/**@}*/ /* end of group KPI_EXPORTED_FUNCTIONS */
/**@}*/ /* end of group KPI_Driver */
/**@}*/ /* end of group Standard_Driver */
#ifdef __cplusplus
}
#endif
#endif /* __NU_KPI_H__ */