File content as of revision 171:3a7713b1edbc:

/*
 * Copyright (c) 2015, Freescale Semiconductor, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 *
 * o Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 *
 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _FSL_COMMON_H_
#define _FSL_COMMON_H_

#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include <string.h>
#include "fsl_device_registers.h"

/*!
 * @addtogroup ksdk_common
 * @{
 */


/*******************************************************************************
 * Definitions
 ******************************************************************************/

/*! @brief Construct a status code value from a group and code number. */
#define MAKE_STATUS(group, code) ((((group)*100) + (code)))

/*! @brief Construct the version number for drivers. */
#define MAKE_VERSION(major, minor, bugfix) (((major) << 16) | ((minor) << 8) | (bugfix))

/* Debug console type definition. */
#define DEBUG_CONSOLE_DEVICE_TYPE_NONE 0U   /*!< No debug console.             */
#define DEBUG_CONSOLE_DEVICE_TYPE_UART 1U   /*!< Debug console base on UART.   */
#define DEBUG_CONSOLE_DEVICE_TYPE_LPUART 2U /*!< Debug console base on LPUART. */
#define DEBUG_CONSOLE_DEVICE_TYPE_LPSCI 3U  /*!< Debug console base on LPSCI.  */
#define DEBUG_CONSOLE_DEVICE_TYPE_USBCDC 4U /*!< Debug console base on USBCDC. */

/*! @brief Status group numbers. */
enum _status_groups
{
    kStatusGroup_Generic = 0,                 /*!< Group number for generic status codes. */
    kStatusGroup_FLASH = 1,                   /*!< Group number for FLASH status codes. */
    kStatusGroup_LPSPI = 4,                   /*!< Group number for LPSPI status codes. */
    kStatusGroup_FLEXIO_SPI = 5,              /*!< Group number for FLEXIO SPI status codes. */
    kStatusGroup_DSPI = 6,                    /*!< Group number for DSPI status codes. */
    kStatusGroup_FLEXIO_UART = 7,             /*!< Group number for FLEXIO UART status codes. */
    kStatusGroup_FLEXIO_I2C = 8,              /*!< Group number for FLEXIO I2C status codes. */
    kStatusGroup_LPI2C = 9,                   /*!< Group number for LPI2C status codes. */
    kStatusGroup_UART = 10,                   /*!< Group number for UART status codes. */
    kStatusGroup_I2C = 11,                    /*!< Group number for UART status codes. */
    kStatusGroup_LPSCI = 12,                  /*!< Group number for LPSCI status codes. */
    kStatusGroup_LPUART = 13,                 /*!< Group number for LPUART status codes. */
    kStatusGroup_SPI = 14,                    /*!< Group number for SPI status code.*/
    kStatusGroup_XRDC = 15,                   /*!< Group number for XRDC status code.*/
    kStatusGroup_SEMA42 = 16,                 /*!< Group number for SEMA42 status code.*/
    kStatusGroup_SDHC = 17,                   /*!< Group number for SDHC status code */
    kStatusGroup_SDMMC = 18,                  /*!< Group number for SDMMC status code */
    kStatusGroup_SAI = 19,                    /*!< Group number for SAI status code */
    kStatusGroup_MCG = 20,                    /*!< Group number for MCG status codes. */
    kStatusGroup_SCG = 21,                    /*!< Group number for SCG status codes. */
    kStatusGroup_SDSPI = 22,                  /*!< Group number for SDSPI status codes. */
    kStatusGroup_FLEXIO_I2S = 23,             /*!< Group number for FLEXIO I2S status codes */
    kStatusGroup_SDRAMC = 35,                 /*!< Group number for SDRAMC status codes. */
    kStatusGroup_POWER = 39,                  /*!< Group number for POWER status codes. */
    kStatusGroup_ENET = 40,                   /*!< Group number for ENET status codes. */
    kStatusGroup_PHY = 41,                    /*!< Group number for PHY status codes. */
    kStatusGroup_TRGMUX = 42,                 /*!< Group number for TRGMUX status codes. */
    kStatusGroup_SMARTCARD = 43,              /*!< Group number for SMARTCARD status codes. */
    kStatusGroup_LMEM = 44,                   /*!< Group number for LMEM status codes. */
    kStatusGroup_QSPI = 45,                   /*!< Group number for QSPI status codes. */
    kStatusGroup_DMA = 50,                    /*!< Group number for DMA status codes. */
    kStatusGroup_EDMA = 51,                   /*!< Group number for EDMA status codes. */
    kStatusGroup_DMAMGR = 52,                 /*!< Group number for DMAMGR status codes. */
    kStatusGroup_FLEXCAN = 53,                /*!< Group number for FlexCAN status codes. */
    kStatusGroup_LTC = 54,                    /*!< Group number for LTC status codes. */
    kStatusGroup_FLEXIO_CAMERA = 55,          /*!< Group number for FLEXIO CAMERA status codes. */
    kStatusGroup_NOTIFIER = 98,               /*!< Group number for NOTIFIER status codes. */
    kStatusGroup_DebugConsole = 99,           /*!< Group number for debug console status codes. */
    kStatusGroup_ApplicationRangeStart = 100, /*!< Starting number for application groups. */
};

/*! @brief Generic status return codes. */
enum _generic_status
{
    kStatus_Success = MAKE_STATUS(kStatusGroup_Generic, 0),
    kStatus_Fail = MAKE_STATUS(kStatusGroup_Generic, 1),
    kStatus_ReadOnly = MAKE_STATUS(kStatusGroup_Generic, 2),
    kStatus_OutOfRange = MAKE_STATUS(kStatusGroup_Generic, 3),
    kStatus_InvalidArgument = MAKE_STATUS(kStatusGroup_Generic, 4),
    kStatus_Timeout = MAKE_STATUS(kStatusGroup_Generic, 5),
    kStatus_NoTransferInProgress = MAKE_STATUS(kStatusGroup_Generic, 6),
};

/*! @brief Type used for all status and error return values. */
typedef int32_t status_t;

/*
 * The fsl_clock.h is included here because it needs MAKE_VERSION/MAKE_STATUS/status_t
 * defined in previous of this file.
 */
#include "fsl_clock.h"

/*! @name Min/max macros */
/* @{ */
#if !defined(MIN)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif

#if !defined(MAX)
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#endif
/* @} */

/*! @brief Computes the number of elements in an array. */
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

/*! @name UINT16_MAX/UINT32_MAX value */
/* @{ */
#if !defined(UINT16_MAX)
#define UINT16_MAX ((uint16_t)-1)
#endif

#if !defined(UINT32_MAX)
#define UINT32_MAX ((uint32_t)-1)
#endif
/* @} */

/*! @name Timer utilities */
/* @{ */
/*! Macro to convert a microsecond period to raw count value */
#define USEC_TO_COUNT(us, clockFreqInHz) (uint64_t)((uint64_t)us * clockFreqInHz / 1000000U)
/*! Macro to convert a raw count value to microsecond */
#define COUNT_TO_USEC(count, clockFreqInHz) (uint64_t)((uint64_t)count * 1000000U / clockFreqInHz)

/*! Macro to convert a millisecond period to raw count value */
#define MSEC_TO_COUNT(ms, clockFreqInHz) (uint64_t)((uint64_t)ms * clockFreqInHz / 1000U)
/*! Macro to convert a raw count value to millisecond */
#define COUNT_TO_MSEC(count, clockFreqInHz) (uint64_t)((uint64_t)count * 1000U / clockFreqInHz)
/* @} */

/*******************************************************************************
 * API
 ******************************************************************************/

#if defined(__cplusplus)
extern "C" {
#endif

/*!
 * @brief Enable specific interrupt.
 *
 * Enable the interrupt not routed from intmux.
 *
 * @param interrupt The IRQ number.
 */
static inline void EnableIRQ(IRQn_Type interrupt)
{
#if defined(FSL_FEATURE_SOC_INTMUX_COUNT) && (FSL_FEATURE_SOC_INTMUX_COUNT > 0)
    if (interrupt < FSL_FEATURE_INTMUX_IRQ_START_INDEX)
#endif
    {
        NVIC_EnableIRQ(interrupt);
    }
}

/*!
 * @brief Disable specific interrupt.
 *
 * Disable the interrupt not routed from intmux.
 *
 * @param interrupt The IRQ number.
 */
static inline void DisableIRQ(IRQn_Type interrupt)
{
#if defined(FSL_FEATURE_SOC_INTMUX_COUNT) && (FSL_FEATURE_SOC_INTMUX_COUNT > 0)
    if (interrupt < FSL_FEATURE_INTMUX_IRQ_START_INDEX)
#endif
    {
        NVIC_DisableIRQ(interrupt);
    }
}

/*!
 * @brief Disable the global IRQ
 *
 * Disable the global interrupt and return the current primask register. User is required to provided the primask
 * register for the EnableGlobalIRQ().
 *
 * @return Current primask value.
 */
static inline uint32_t DisableGlobalIRQ(void)
{
    uint32_t regPrimask = __get_PRIMASK();

    __disable_irq();

    return regPrimask;
}

/*!
 * @brief Enaable the global IRQ
 *
 * Set the primask register with the provided primask value but not just enable the primask. The idea is for the
 * convinience of integration of RTOS. some RTOS get its own management mechanism of primask. User is required to
 * use the EnableGlobalIRQ() and DisableGlobalIRQ() in pair.
 *
 * @param primask value of primask register to be restored. The primask value is supposed to be provided by the
 * DisableGlobalIRQ().
 */
static inline void EnableGlobalIRQ(uint32_t primask)
{
    __set_PRIMASK(primask);
}

/*!
 * @brief install IRQ handler
 *
 * @param irq IRQ number
 * @param irqHandler IRQ handler address
 */
void InstallIRQHandler(IRQn_Type irq, uint32_t irqHandler);

#if defined(__cplusplus)
}
#endif

/*! @} */

#endif /* _FSL_COMMON_H_ */