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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__ */
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