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