54 lines
2.4 KiB
C
54 lines
2.4 KiB
C
/**************************************************************************//**
|
|
*
|
|
* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2020-3-5 Philo First version
|
|
*
|
|
******************************************************************************/
|
|
#ifndef __DRV_EBI_H___
|
|
#define __DRV_EBI_H___
|
|
|
|
#include <rtdevice.h>
|
|
#include <NuMicro.h>
|
|
|
|
#define MAX_BANK EBI_BANK2
|
|
|
|
/**
|
|
* @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
|
|
* @param[in] u32CSActiveLevel CS is active High/Low. Valid values are:
|
|
* - \ref EBI_CS_ACTIVE_HIGH
|
|
* - \ref EBI_CS_ACTIVE_LOW
|
|
*
|
|
* @return None
|
|
*
|
|
* @details This function is used to open specify EBI bank with different bus width, timing setting and \n
|
|
* active level of CS pin to access EBI device.
|
|
* @note Write Buffer Enable(WBUFEN) and Extend Time Of ALE(TALE) are only available in EBI bank0 control register.
|
|
*/
|
|
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___
|