rt-thread-official/bsp/nuvoton/libraries/m031/rtt_port/drv_ebi.h

49 lines
2.2 KiB
C

/**************************************************************************//**
*
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-02-18 klcheng First version
*
******************************************************************************/
#ifndef __DRV_EBI_H___
#define __DRV_EBI_H___
#include <rtdevice.h>
#include "NuMicro.h"
/**
* @brief Initialize EBI for specify Bank
*
* @param[in] u32Bank Bank number for EBI. Valid values are:
* - \ref EBI_BANK0
* - \ref EBI_BANK1
* - \ref EBI_BANK2
* @param[in] u32DataWidth Data bus width. Valid values are:
* - \ref EBI_BUSWIDTH_8BIT
* - \ref EBI_BUSWIDTH_16BIT
* @param[in] u32TimingClass Default timing configuration. Valid values are:
* - \ref EBI_TIMING_FASTEST
* - \ref EBI_TIMING_VERYFAST
* - \ref EBI_TIMING_FAST
* - \ref EBI_TIMING_NORMAL
* - \ref EBI_TIMING_SLOW
* - \ref EBI_TIMING_VERYSLOW
* - \ref EBI_TIMING_SLOWEST
* @param[in] u32BusMode Set EBI bus operate mode. Valid values are:
* - \ref EBI_OPMODE_NORMAL
* - \ref EBI_OPMODE_CACCESS
* - \ref EBI_OPMODE_ADSEPARATE
* @param[in] u32CSActiveLevel CS is active High/Low. Valid values are:
* - \ref EBI_CS_ACTIVE_HIGH
* - \ref EBI_CS_ACTIVE_LOW
*
* @return RT_EOK/RT_ERROR Bank is used or not
*/
rt_err_t nu_ebi_init(uint32_t u32Bank, uint32_t u32DataWidth, uint32_t u32TimingClass, uint32_t u32BusMode, uint32_t u32CSActiveLevel);
#endif // __DRV_EBI_H___