board.h

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 * $Date: 2018-08-29 14:57:14 -0500 (Wed, 29 Aug 2018) $
 * $Revision: 37501 $
 *
 ******************************************************************************/

/**
 * @file    board.h
 * @brief   Board support package API.
 */


#include <stdio.h>
#include "spixfc.h"

#ifndef _BOARD_H
#define _BOARD_H

#ifdef __cplusplus
extern "C" {
#endif

#ifndef CONSOLE_UART
#define CONSOLE_UART    1      /// UART instance to use for console
#endif

#ifndef CONSOLE_BAUD
#define CONSOLE_BAUD    115200  /// Console baud rate
#endif

#define LED_OFF         1       /// Inactive state of LEDs
#define LED_ON          0       /// Active state of LEDs

#define MX25_SPI                    MXC_SPIXFC
#define MX25_SSEL                   0
// #define SPI_CHAR_BITS               8


/**
 * \brief   Initialize the BSP and board interfaces.
 * \returns #E_NO_ERROR if everything is successful
 */
int Board_Init(void);

/**
 * \brief   Initialize or reinitialize the console. This may be necessary if the
 *          system clock rate is changed.
 * \returns #E_NO_ERROR if everything is successful
 */
int Console_Init(void);

/**
 * \brief   Attempt to prepare the console for sleep.
 * \returns #E_NO_ERROR if ready to sleep, #E_BUSY if not ready for sleep.
 */
int Console_PrepForSleep(void);

/**
 * @brief   Initialize or reinitialize the console. This may be necessary if the
 *          system clock rate is changed.
 * @returns #E_NO_ERROR if everything is successful
 */
int Console_Shutdown(void);

/**
 * \brief   Initialize the SPI peripheral to use for MX25
  * \returns #E_NO_ERROR if everything is successful
 */
int MX25_Board_Init(void);

/**
 * \brief   Translation function to implement SPI Read transaction
 * @param   read        Pointer to where master will store data.
 * @param   len         Number of characters to send.
 * @param   deassert    Deassert slave select at the end of the transaction.
 * @param   width       spi_width_t for how many data lines to use 
 * \returns #E_NO_ERROR if successful, !=0 otherwise
 */

int MX25_Board_Read(uint8_t* read, unsigned len, unsigned deassert, spixfc_width_t width);
/**
 * \brief   Translation function to implement SPI Write transaction
 * @param   write       Pointer to data master will write.
 * @param   len         Number of characters to send.
 * @param   deassert    Deassert slave select at the end of the transaction.
 * @param   width       spi_width_t for how many data lines to use
 * \returns #E_NO_ERROR if successful, !=0 otherwise
 */

int MX25_Board_Write(const uint8_t* write, unsigned len, unsigned deassert, spixfc_width_t width);

/**
 * \brief   Send clocks on SCLK.
 * @param   len         Number of characters to send.
 * @param   deassert    Deassert slave select at the end of the transaction.
 * \returns #E_NO_ERROR if successful, !=0 otherwise
 */
int MX25_Clock(unsigned len, unsigned deassert);;

#ifdef __cplusplus
}
#endif

#endif /* _BOARD_H */