/*******************************************************************************
  This module contains WINC3400 SPI protocol bus APIs implementation.

  File Name:
    nmspi.h

  Summary:
    This module contains WINC3400 SPI protocol bus APIs implementation.

  Description:
    This module contains WINC3400 SPI protocol bus APIs implementation.
 *******************************************************************************/

//DOM-IGNORE-BEGIN
/*******************************************************************************
* Copyright (C) 2021 Microchip Technology Inc. and its subsidiaries.
*
* Subject to your compliance with these terms, you may use Microchip software
* and any derivatives exclusively with Microchip products. It is your
* responsibility to comply with third party license terms applicable to your
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* accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
* EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
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* IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
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* FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN
* ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
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*******************************************************************************/
// DOM-IGNORE-END

#ifndef _NMSPI_H_
#define _NMSPI_H_

#include "nm_common.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 *  @fn         nm_spi_init
 *  @brief      Initialize the SPI
 *  @return     @ref M2M_SUCCESS in case of success and @ref M2M_ERR_BUS_FAIL in case of failure
*/
int8_t nm_spi_init(void);

/**
*   @fn     nm_spi_lock_init
*   @brief  Initialize the SPI lock
*   @return None
*/
void nm_spi_lock_init(void);

/**
 *  @fn         nm_spi_reset
 *  @brief      Reset the SPI
 *  @return     @ref M2M_SUCCESS in case of success and @ref M2M_ERR_BUS_FAIL in case of failure
 */
int8_t nm_spi_reset(void);

/**
 *  @fn         nm_spi_deinit
 *  @brief      DeInitialize the SPI
 *  @return     @ref M2M_SUCCESS in case of success and @ref M2M_ERR_BUS_FAIL in case of failure
 */
int8_t nm_spi_deinit(void);

/**
 *  @fn         nm_spi_read_reg
 *  @brief      Read register
 *  @param[in]  u32Addr
 *                  Register address
 *  @return     Register value
 */
uint32_t nm_spi_read_reg(uint32_t u32Addr);

/**
 *  @fn         nm_spi_read_reg_with_ret
 *  @brief      Read register with error code return
 *  @param[in]  u32Addr
 *                  Register address
 *  @param[out] pu32RetVal
 *                  Pointer to u32 variable used to return the read value
 *  @return     @ref M2M_SUCCESS in case of success and @ref M2M_ERR_BUS_FAIL in case of failure
 */
int8_t nm_spi_read_reg_with_ret(uint32_t u32Addr, uint32_t* pu32RetVal);

/**
 *  @fn         nm_spi_write_reg
 *  @brief      Write register
 *  @param[in]  u32Addr
 *                  Register address
 *  @param[in]  u32Val
 *                  Value to be written to the register
 *  @return     @ref M2M_SUCCESS in case of success and @ref M2M_ERR_BUS_FAIL in case of failure
 */
int8_t nm_spi_write_reg(uint32_t u32Addr, uint32_t u32Val);

/**
 *  @fn         nm_spi_read_block
 *  @brief      Read block of data
 *  @param[in]  u32Addr
 *                  Start address
 *  @param[out] puBuf
 *                  Pointer to a buffer used to return the read data
 *  @param[in]  u16Sz
 *                  Number of bytes to read. The buffer size must be >= u16Sz
 *  @return     @ref M2M_SUCCESS in case of success and @ref M2M_ERR_BUS_FAIL in case of failure
 */
int8_t nm_spi_read_block(uint32_t u32Addr, uint8_t *puBuf, uint16_t u16Sz);

/**
 *  @fn         nm_spi_write_block
 *  @brief      Write block of data
 *  @param[in]  u32Addr
 *                  Start address
 *  @param[in]  puBuf
 *                  Pointer to the buffer holding the data to be written
 *  @param[in]  u16Sz
 *                  Number of bytes to write. The buffer size must be >= u16Sz
 *  @return     @ref M2M_SUCCESS in case of success and @ref M2M_ERR_BUS_FAIL in case of failure
 */
int8_t nm_spi_write_block(uint32_t u32Addr, uint8_t *puBuf, uint16_t u16Sz);

#ifdef __cplusplus
}
#endif

#endif /* _NMSPI_H_ */